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Enjoy endless hot water and significant energy savings. HVACCompaniesHub.com helps you find the right tankless water heater installation solution by connecting you with qualified and licensed professionals in USA. Here's why we're the best choice for your tankless water heater needs:: We take the stress out of finding the right HVAC companies. Here's how:

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Our experienced installers provide tailored recommendations, ensuring your new water heater meets your specific requirements. From sizing to maintenance plans, we're with you at every stage of the upgrade.
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Tankless Water Heater Installation Glossary

Learn more about tankless water heater technology with this glossary of common terms.

Tankless Water Heater

A tankless water heater, also known as an on-demand water heater, heats water instantly, providing hot water on demand. This eliminates standby heat loss, the energy wasted by keeping a tank of water hot, even when not in use. They are more energy-efficient than traditional tank water heaters, although their upfront cost can be higher.

Tank Water Heater

A traditional water heater heats a stored volume of water to the set temperature. {These units are typically less expensive to purchase than tankless water heaters, but they are less energy-efficient , because energy is constantly lost as heat escapes from the tank (standby heat loss)..

Condensing Tankless Water Heater

A type of tankless water heater that achieves high efficiency through exhaust heat recovery.

Non-Condensing Tankless Water Heater

A type of tankless water heater that vents exhaust gases directly outdoors, offering simpler installation than condensing models.

EF (Energy Factor)

A measure of a water heater's energy efficiency.. Higher EF ratings indicate greater efficiency.

Uniform Energy Factor (UEF)

A measure of how efficiently a water heater uses energy to heat water. Similar to EF, a higher UEF rating means lower operating costs.

Flow Rate

The amount of hot water a tankless water heater can produce per minute measured in gallons per minute (GPM). It is an important factor to consider when sizing a tankless water heater for your household or business needs.

Activation Flow Rate

The minimum flow rate of water required to activate a tankless water heater. This is usually a small amount of water, triggered when you turn on a faucet.

Temperature Rise

The difference between the incoming cold water temperature and the desired hot water temperature. The temperature rise is an important consideration for sizing a tankless water heater.

Venting

Tankless water heaters require proper venting to exhaust combustion gases. The best approach depends on the heater type and the home layout. Consult with a professional regarding venting and system installation.

Gas Supply

Gas-fired tankless water heaters need a natural gas or propane supply. If you are converting from an electric water heater to gas, this may require additional plumbing work to run a gas line to the installation location.

Water Quality

The quality of your water can affect the performance and lifespan of a tankless water heater. Hard water can cause mineral buildup and scale formation in the heat exchanger, reducing efficiency and potentially causing premature failure. A water softener can help to reduce mineral buildup in the unit.

Recirculation System

A hot water recirculation system keeps hot water moving through a dedicated loop of plumbing, This provides instant hot water, reduces water waste, and improves convenience. Consider this feature for greater convenience and efficiency.

Point-of-Use Water Heater

A small tankless water heater installed near the appliance it services, such as a sink or shower, to provide hot water on demand at that location. This eliminates the wait for hot water and minimizes water waste in long pipe runs.

Load Calculation

A load calculation estimates the hot water demand of your home or business. This assessment is used to determine the appropriate size and flow rate of a tankless water heater.

Frequently Asked Questions about Tankless Water Heater Installation

Planning to upgrade your water heating system? Get answers to common questions about tankless water heater installation, costs, benefits, and finding qualified installers near you.

What is a tankless water heater?

A tankless water heater, also known as an on-demand water heater, heats water only when you need it, eliminating the need for a storage tank. Unlike traditional tank water heaters, which store and constantly reheat a large volume of water, tankless units heat water directly as it flows through the unit. Tankless systems offer significant advantages compared to tank-style units.

How much does a tankless water heater installation cost?

The cost of a tankless water heater installation typically falls within [Price Range], depending on factors like: the unit's capacity, fuel type (gas or electric), and the complexity of the installation.. It's important to compare quotes before making a decision.

How long does it take to install a tankless water heater?

Installing a tankless water heater usually takes approximately [Time Range]. The actual installation time will depend on various factors, such as the complexity of the plumbing and electrical work. Your installer will be able to tell you after assessing your specific situation.

What are the benefits of a tankless water heater?

Tankless water heaters offer several advantages over traditional systems:
  • Endless Hot Water: Tankless units provide hot water on demand, eliminating the worry of running out of hot water during showers or other activities..
  • Energy Savings: Tankless water heaters are significantly more energy-efficient than storage tank models. They don't store hot water, thereby minimizing heat loss.
  • Space Savings: Tankless systems are smaller and more compact than tank water heaters, freeing up valuable space in your home or business.
  • Longer Lifespan: Tankless water heaters typically last much longer than tank water heaters, often two to three times longer.

Are tankless water heaters worth the cost?

While the upfront cost of a tankless water heater is higher than a traditional tank water heater, the long-term cost savings and benefits often make it a worthwhile investment. The return on investment will depend on your location, energy usage, and available incentives. Consult with an HVAC professional to assess your needs and determine if a tankless water heater is a good option for your home or business..

What size tankless water heater do I need?

Choosing the correct size tankless water heater is important for ensuring adequate hot water supply. Sizing depends on several factors:
  • Climate: Colder climates require a larger temperature rise, which can affect the sizing of the unit.
  • Flow Rate: The amount of hot water you need simultaneously (gallons per minute or GPM). A professional plumber can help calculate flow rate needs based on usage patterns.
  • Gas or Electric: Gas tankless water heaters generally have a higher flow rate than electric models.
  • Energy Efficiency: Higher-efficiency units may have a lower flow rate but save energy in the long run.
An HVAC technician can perform a load calculation to determine the appropriate size for your specific situation.

What is the difference between a condensing and non-condensing tankless water heater?

The main difference between condensing and non-condensing tankless units lies in their venting systems:
  • Condensing Tankless Water Heaters: These units capture exhaust heat and use it to preheat the incoming cold water, making them highly energy-efficient..
  • Non-Condensing Tankless Water Heaters: These units vent exhaust gases directly outdoors.. They are usually easier to install but less energy-efficient than condensing models.

What are the maintenance requirements for a tankless water heater?

Although tankless water heaters require less maintenance than traditional tank water heaters, regular maintenance is still important for optimal performance and longevity . Recommended maintenance tasks include::
  • Flushing the system annually: This process removes any mineral deposits and keeps the system working properly.
  • Checking the water filter (if applicable): Some tankless water heaters have a filter that needs to be cleaned or replaced periodically.
  • Professional inspection: Schedule a professional inspection by a qualified technician every few years to ensure that all components are functioning correctly.
Proper maintenance can significantly extend the lifespan of your tankless system.

What are the disadvantages of a tankless water heater?

While tankless water heaters offer several benefits, they also have some disadvantages::
  • Higher Upfront Cost: Tankless water heaters are typically more expensive initially than traditional tank water heaters. Though a significant upfront investment, tankless systems can save you money over time.
  • More Complex Installation: Tankless units often require modifications to gas lines or electrical circuits and usually involve professional expertise. Always hire a qualified and licensed professional for installation to ensure safety and proper system operation.
  • Potential Cold Water Sandwich: With a tankless water heater, you might experience a brief period of cold water between bursts of hot water, especially if the unit is located far from the fixture. This can be addressed by installing a recirculation system.
  • Power Requirements: Electric tankless water heaters require a substantial amount of electricity, which may require rewiring or other electrical work in some homes.
Carefully consider the pros and cons of tankless water heaters and consult with a plumbing professional to determine if a tankless system is the best option for your needs and budget.

Can a tankless water heater save me money?

Yes, a tankless water heater can save you money by reducing wasted energy over time by heating water only when needed. According to the Department of Energy, tankless water heaters are 24%–34% more energy efficient than conventional storage tank water heaters. . If you take frequent, long showers or have larger hot water requirements, you could save hundreds of dollars per year.

How do I choose the right tankless water heater?

Deciding on which system to install involves balancing various needs, such as:
  • Fuel Type (gas or electric): Gas-fired units are generally more powerful and efficient but require more upfront preparation for installation. Electric units are easier to install, but they draw more power and are not as powerful.
  • Flow Rate (GPM): Choose a unit with a flow rate that can handle your peak hot water demands (the number of sinks, showers, etc. operating at the same time).
  • Energy Factor (EF) or Uniform Energy Factor (UEF): Look for a higher EF or UEF rating for greater energy efficiency.
  • Size and Capacity: The physical dimensions of the system need to work for your home, along with the system's hot water production.
  • Features: Look for features that improve convenience and control hot water.
  • Budget: Tankless water heaters vary in price, so set a realistic budget before shopping.
A qualified plumbing professional can help you assess your needs and recommend the best tankless water heater for your home or business.

What is a condensing tankless water heater?

A condensing tankless water heater is a highly efficient type of tankless system. It re-uses waste heat to preheat the incoming cold water. By capturing heat that would otherwise be lost, these units are able to boost efficiency. Condensing tankless water heaters typically have higher Energy Factor (EF) ratings and can save you more money on your energy bills compared to non-condensing models.

Do tankless water heaters require venting?

Yes, all tankless water heaters require venting Venting is crucial for safety. The type of venting required depends on the fuel type (gas or electric) and model of your tankless water heater:. Gas-fired systems need a vent pipe. A qualified technician will determine the appropriate venting method for your installation.

What is the difference between an electric and a gas tankless water heater?

Choosing between an electric or gas tankless water heater will depend on several factors, including:
  • Energy Efficiency: Gas tankless water heaters tend to have higher energy factors (EF) than electric, making them more efficient. Electric tankless units can be very efficient in mild climates or for small point-of-use applications.
  • Fuel source and availability:
    • Electric models rely on electricity, while gas models use either natural gas or propane. Consider the availability and cost of fuel in your area.
  • Installation Requirements: Electric tankless units may require an electrical circuit or panel upgrade. Gas tankless units may involve more complex installation.
  • Flow Rate:
    • Gas tankless models offer higher flow rates. Electric tankless systems will have lower hot water output.
  • Upfront Costs: Electric units are generally cheaper to purchase and install. However, consider the long-term savings from higher efficiency with gas-fired units.
An HVAC professional can help determine if gas or electric is right for you.

What is a point-of-use tankless water heater?

A point-of-use (POU) tankless water heater is a small, electric tankless unit installed near a specific fixture, such as a sink or shower, rather than centrally. . POU heaters eliminate long waits for hot water, making them convenient. They are also useful for supplementing a central water heating system or in situations where a whole-house tankless system is not practical.

What is a hot water recirculation system, and do I need one?

A hot water recirculation system provides instant hot water at your fixtures. It's particularly useful if your water heater is located far from your fixtures, as it eliminates the long wait and waste of cold water going down the drain. Although a recirculation system adds to the complexity and cost of a tankless water heater installation, it greatly improves convenience and reduces water waste.

Can a tankless water heater be installed outdoors?

Outdoor tankless units are available, designed to withstand exposure to elements. These units are typically weatherproof and have freeze protection features.. It is important to choose a model that is rated for outdoor use and have it installed by a qualified technician.

How long does a tankless water heater last?

Tankless water heaters typically have a longer lifespan than traditional tank water heaters. Expect your tankless system to function for 20 years or more. A tankless water heater is built to last, reducing the need for frequent replacements.

Does a tankless water heater require electricity?

All tankless models need some electricity to power the internal components. Gas tankless water heaters use electricity to power the igniter, controls, and other electronic components.. The electricity usage of a tankless water heater is minimal compared to the gas it uses for heating (in gas models) or compared to the amount of electricity used by an electric tank water heater. .

Can a tankless water heater run out of hot water?

Tankless water heaters, in theory, have an endless supply of hot water because they heat the water on demand, unlike tank water heaters that can deplete their stored hot water.. However, there are some practical limitations::
  • Flow rate:
    • A tankless unit has a maximum flow rate (gallons per minute) that it can heat. If you exceed this flow rate by using multiple hot water fixtures at the same time, the temperature of the hot water may decrease..
  • Cold groundwater temperatures:
    • In extremely cold climates, the incoming groundwater temperature can be so low that it limits the tankless water heater's ability to raise the water temperature to the desired level, especially at higher flow rates. This is more common with gas tankless water heaters.
  • Gas supply (for gas units): If you have a gas tankless water heater, the unit's capacity can be limited by the available gas volume.
It is important to discuss these potential limits with a professional to select the right system.

How do I convert from a tank water heater to a tankless?

Converting from a tank water heater to a tankless water heater is a more complex plumbing project that is best handled by a qualified and licensed plumbing professional. Here are some of the steps involved in converting from a tank water heater to a tankless water heater::
  • Sizing and Selection: Determine the right size and fuel type of tankless unit based on your household or business needs, available space, fuel type, and budget..
  • Removal of Old Water Heater: Drain and disconnect the existing system.
  • Plumbing Modifications: The plumber may need to reroute or install new pipes to accommodate the new tankless unit.. This can involve installing new plumbing.
  • Gas Line Installation or Upgrade (if applicable): If switching to a gas tankless water heater, a new gas line might be necessary.
  • Electrical Work: If your chosen tankless model is electric, the plumber will need to install a dedicated electrical circuit for the unit. In some cases, an electrical panel upgrade may be required for electric units.
  • Venting: Venting is essential for safety The venting requirements vary depending on the type of unit being installed and local building codes..
  • Mounting: Securely mount the new tankless water heater Brackets and mounting hardware will be used.
  • Water and Gas Connections (if applicable): Connect the water lines to the unit and connect a gas line if installing a gas tankless heater. and gas
  • Testing and Commissioning: Test the unit to ensure it is functioning correctly and safely..
A qualified installer will safely and correctly handle every part of the upgrade process, including permitting and compliance with local codes.

What is the warranty on a tankless water heater?

Tankless water heater warranties differ depending on the brand and model. Most manufacturers offer warranties on parts, and some installers also provide separate labor warranties The length of these coverage terms can also vary, so confirm details with the seller or manufacturer before buying. Parts may have different lengths of warranty coverage.

Where is the best place to install a tankless water heater?

The best location for your tankless water heater varies based on individual circumstances, including:
  • Fuel type (gas or electric): Gas tankless units must be installed in a well-ventilated area and near a gas line. Electric units are more flexible and can be located virtually anywhere that has electricity and water.
  • Climate: In cold climates, protect your unit from low temperatures. In warmer regions, an outdoor installation might be possible.
  • Proximity to fixtures: Reduce wait times for hot water by placing the unit closer to bathrooms and kitchens. This is especially important if you don't have a hot water recirculation system..
  • Venting: If your unit is gas-powered, venting access is crucial.
  • Space considerations: Tankless water heaters are compact, but you still need adequate space around the unit for maintenance access and proper ventilation.
A qualified plumber can help you determine the most appropriate location for your tankless water heater..

How do I find a qualified tankless water heater installer near me?

Finding a qualified tankless water heater installer is crucial for a successful and safe installation. HVACCompaniesHub.com specializes in connecting you with licensed and experienced plumbers in your area. We make it easy to find trusted professionals who can handle your tankless water heater project. Get started today and upgrade your home's hot water system.

What is a tankless water heater?

A tankless water heater, also known as an on-demand water heater, heats water only when you need it, eliminating the need for a storage tank. Unlike traditional tank water heaters, which store and constantly reheat a large volume of water, tankless units heat water directly as it flows through the unit. Tankless systems offer significant advantages compared to tank-style units.

How much does a tankless water heater installation cost?

The cost of a tankless water heater installation typically falls within [Price Range], depending on factors like: the size and type of unit, fuel type (gas or electric), and the complexity of the installation.. It's important to compare quotes before making a decision.

How long does it take to install a tankless water heater?

Installing a tankless water heater typically requires approximately [Time Range]. The length of the installation will depend on various factors, including the type of unit, the location of the installation, and whether any modifications to gas lines or venting are needed.. Your installer will give you a more accurate estimate after assessing your specific situation.

What are the benefits of a tankless water heater?

Tankless water heaters offer several advantages over traditional systems:
  • Endless Hot Water: Tankless units provide hot water on demand, offering convenience.
  • Energy Savings: Tankless water heaters are significantly more energy-efficient than tank water heaters. They don't store hot water, thereby minimizing heat loss.
  • Space Savings: Tankless systems are smaller and more compact than tank water heaters, freeing up valuable space in your home or business.
  • Longer Lifespan: Tankless water heaters typically last much longer than tank water heaters, often two to three times longer.

Are tankless water heaters worth the cost?

While the upfront cost of a tankless water heater is higher than a traditional tank water heater, the long-term cost savings and benefits often make it a worthwhile investment. Factors to consider include your current water heating costs, local utility rates, household size, and available rebates. Talk to an expert about potential long-term savings for your particular property.

What size tankless water heater do I need?

Choosing the correct size tankless water heater is important for ensuring adequate hot water supply. Consider the following factors when sizing a tankless water heater::
  • Climate: Colder climates require a larger temperature rise, which can affect the sizing of the unit.
  • Flow Rate: The amount of hot water you need simultaneously (gallons per minute or GPM). A professional plumber can help calculate flow rate needs based on usage patterns.
  • Gas or Electric: Gas tankless water heaters generally have a higher flow rate than electric models.
  • Energy Efficiency: Higher-efficiency units may have a lower flow rate but save energy in the long run.
An HVAC technician can perform a load calculation to determine the appropriate size for your specific situation.

What is the difference between a condensing and non-condensing tankless water heater?

The main difference between condensing and non-condensing tankless units is how they handle exhaust gases::
  • Condensing Tankless Water Heaters: These units extract heat from exhaust gasses to maximize efficiency and reduce heat loss.
  • Non-Condensing Tankless Water Heaters: These units do not reuse exhaust gasses. They are usually easier to install but less energy-efficient than condensing models.

What are the maintenance requirements for a tankless water heater?

While maintenance is less frequent than for standard water heaters, it is still important. Recommended maintenance tasks include::
  • Flushing the system annually: This process removes any mineral deposits and keeps the system working properly.
  • Checking the water filter (if applicable): Some tankless water heaters have a filter that needs to be cleaned or replaced periodically.
  • Professional inspection: Have a technician perform a checkup to ensure that all components are functioning correctly.
Proper maintenance can significantly extend the lifespan of your tankless system.

What are the disadvantages of a tankless water heater?

Here's a summary of potential drawbacks to consider:
  • Higher Upfront Cost: Tankless water heaters are generally more expensive to purchase and install than traditional tank water heaters. However, the energy savings and extended lifespan of a tankless unit can offset the higher initial cost.
  • More Complex Installation: Tankless units often require modifications to gas lines or electrical circuits and may need a dedicated gas line or a larger electrical circuit.. Incorrect installation can damage the system or create safety hazards, so professional installation is highly recommended.
  • Potential Cold Water Sandwich: With a tankless water heater, you might experience a brief period of cold water between bursts of hot water, especially if the unit is located far from the fixture. This can be addressed by installing a recirculation system.
  • Power Requirements: Electric tankless water heaters require a substantial amount of electricity, which may necessitate rewiring or other electrical work if the existing system isn't adequate.
Carefully consider the pros and cons of tankless water heaters and consult with a plumbing professional to determine if a tankless system is the best option for your needs and budget.

Can a tankless water heater save me money?

Yes, a tankless water heater reduces energy usage by reducing wasted energy over time by heating water only when needed. According to the Department of Energy, tankless water heaters are 24%–34% more energy efficient than conventional storage tank water heaters. . Your actual savings will depend on your hot water usage habits and local utility rates.

How do I choose the right tankless water heater?

Deciding on which system to install involves balancing various needs, such as:
  • Fuel Type (gas or electric): Gas-fired units are generally more powerful and efficient but require proper venting and gas line connections. Electric units are more versatile for installation, but they may necessitate upgrades to your electrical system and are not as powerful.
  • Flow Rate (GPM): Choose a unit with a flow rate that can adequately provide warm water (the number of sinks, showers, etc. operating at the same time).
  • Energy Factor (EF) or Uniform Energy Factor (UEF): Look for a higher EF or UEF number to get the most cost-effective hot water.
  • Size and Capacity: The size of the unit should be appropriate for your space and hot water needs..
  • Features: Consider features like temperature control, recirculation systems, or smart functionalities.
  • Budget: Tankless water heaters vary in price, so set a realistic budget before shopping.
Find qualified tankless water heater installers on HVACCompaniesHub.com.

What is a condensing tankless water heater?

A condensing tankless water heater is a highly efficient type of tankless system. It recovers heat from the exhaust gases to preheat the incoming cold water. This process significantly increases the unit's overall efficiency, reducing energy waste.. Condensing tankless water heaters typically have higher Energy Factor (EF) ratings and can save you more money on your energy bills compared to non-condensing models.

Do tankless water heaters require venting?

Yes, all tankless water heaters require venting Venting is crucial for safety. The type of venting required depends on the fuel type (gas or electric) and model of your tankless water heater:. Gas-fired systems need a vent pipe. Discuss your venting options with your installer.

What is the difference between an electric and a gas tankless water heater?

Key differences to consider include:
  • Energy Efficiency: Gas tankless water heaters tend to have higher energy factors (EF) than electric, making them more efficient. However, electric units are comparable for smaller applications.
  • Fuel source and availability:
    • Electric models rely on electricity, while gas models use either natural gas or propane. Consider the availability and cost of fuel in your area.
  • Installation Requirements: Electric tankless units may require an electrical circuit or panel upgrade. Gas tankless units require venting and gas line connections.
  • Flow Rate:
    • Gas tankless models offer higher flow rates. Electric tankless systems will have lower hot water output.
  • Upfront Costs: Electric tankless units tend to have lower upfront purchase and installation costs. However, consider the long-term savings from higher efficiency with gas-fired units.
Consult with an installer to determine the best fit.

What is a point-of-use tankless water heater?

A point-of-use (POU) tankless water heater is a small, electric tankless unit installed near a specific fixture, such as a sink or shower, rather than centrally. . They are an ideal solution for applications where a long wait for hot water is common or where a dedicated hot water line is not feasible. Consider them as a convenient, supplemental solution.

What is a hot water recirculation system, and do I need one?

A hot water recirculation system provides instant hot water at your fixtures. It's particularly useful if your water heater is located far from your fixtures, as it eliminates the long wait and waste of cold water going down the drain. Although a recirculation system adds to the complexity and cost of a tankless water heater installation, it greatly improves convenience and reduces water waste.

Can a tankless water heater be installed outdoors?

Outdoor tankless units are available, designed to withstand exposure to elements. These units are typically weatherproof and have freeze protection features.. Check with the manufacturer's specifications to ensure your chosen unit is appropriate for outside installation..

How long does a tankless water heater last?

Tankless water heaters typically have a longer lifespan than traditional tank water heaters. Expect your tankless system to function for over two decades. A tankless water heater is built to last, reducing the need for frequent replacements.

Does a tankless water heater require electricity?

Both gas and electric tankless water heaters require electricity to function, even though gas tankless water heaters use gas as the primary fuel source for heating the water. Electric models use electricity for heating elements. Overall electricity usage with tankless systems is low.

Can a tankless water heater run out of hot water?

Because water is heated instantly and continuously, tankless units won't typically run out of hot water. However, some factors can limit output:
  • Flow rate:
    • A tankless unit has a maximum flow rate (gallons per minute) that it can heat. Simultaneous hot water use will affect temperature output.
  • Cold groundwater temperatures:
    • Very cold water makes it harder to get instant hot water. This is more common with gas tankless water heaters.
  • Gas supply (for gas units): If you have a gas tankless water heater, the unit's capacity can be limited by the available gas volume.
Choosing the right size and type of tankless water heater, as well as having a qualified plumber perform the installation, will help to avoid these potential issues.

How do I convert from a tank water heater to a tankless?

Do not attempt to convert your water heater from tank to tankless yourself. Here are some of the steps involved in converting from a tank water heater to a tankless water heater::
  • Sizing and Selection: Determine the right size and fuel type of tankless unit for your home or commercial property.
  • Removal of Old Water Heater: Drain and disconnect the existing system.
  • Plumbing Modifications: Modifications to your plumbing may be necessary The existing plumbing configuration may not be optimal or compatible. This can involve installing new plumbing.
  • Gas Line Installation or Upgrade (if applicable): If switching to a gas tankless water heater, a new gas line might be necessary.
  • Electrical Work: If your chosen tankless model is electric, the plumber will need to install a dedicated electrical circuit for the unit. In some cases, an electrical panel upgrade may be required for electric units.
  • Venting: Venting is essential for safety Your installer will determine the best venting system.
  • Mounting: Securely mount the new tankless water heater Brackets and mounting hardware will be used.
  • Water and Gas Connections (if applicable): Connect the water lines to the unit and connect a gas line if installing a gas tankless heater. and gas
  • Testing and Commissioning: Test the unit to make sure everything is working as expected.
Due to the complexity of the process, it's highly recommended to hire a qualified plumber or HVAC contractor who has experience with tankless water heater installations.

What is the warranty on a tankless water heater?

Tankless water heater warranties differ depending on the brand and model. Most manufacturers offer warranties on parts, and some installers also provide separate labor warranties The length of these coverage terms can also vary, so confirm details with the seller or manufacturer before buying. Typical warranties for tankless water heaters range from 5 to 15 years for the heat exchanger, with shorter warranties for other components.

Where is the best place to install a tankless water heater?

The best location for your tankless water heater varies based on individual circumstances, including:
  • Fuel type (gas or electric): Gas tankless units must be installed in a well-ventilated area and where there is a gas hookup. Electric units are easier to place, as they do not require venting and can be installed almost anywhere there is an electrical connection and a water supply.
  • Climate: In cold climates, it's best to install the unit indoors to prevent freezing. . Some tankless units are designed to be installed outdoors, if you live in a more temperate zone.
  • Proximity to fixtures: To minimize heat loss and get hot water faster, install the unit as close as possible to frequently used fixtures like showers or sinks. This is particularly true.
  • Venting: If your unit is gas-powered, venting access is crucial.
  • Space considerations: Tankless water heaters are compact, but you still need adequate space around the unit for maintenance access and proper ventilation.
Ask a professional installer to evaluate your property's specific situation and suggest an ideal placement.

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