HVAC Companies Champaign

Frequently Asked Questions About HVAC Companies

What is the difference between an AC unit and a heat pump?

While both air conditioners and heat pumps provide cooling, they differ in how they generate heat. An AC unit cools your home by extracting heat and transferring it outside. It uses a separate furnace or heating system for heating in colder months. A heat pump, however, can both cool and heat. In cooling mode, it functions like an AC, extracting heat from indoor air and releasing it outdoors. In heating mode, it reverses this process, extracting heat from the outside air (even in cold temperatures) and transferring it inside. This makes heat pumps more energy-efficient for heating than traditional electric resistance heating, especially in mild to moderately cold climates.

What are the signs my air conditioner needs refrigerant?

Low refrigerant levels can cause various problems with your air conditioner:

• Warm Air: The most noticeable sign is that the AC is blowing warm or lukewarm air.
• Ice Buildup: Ice may form on the AC unit.
• Increased Energy Bills: Your system has to work harder to cool, leading to higher energy consumption.
• Hissing or Bubbling Sounds: These sounds may suggest a refrigerant leak.

If you suspect low refrigerant, contact an HVAC technician to diagnose the issue and recharge the system.

How can I reduce my HVAC energy consumption?

You can reduce HVAC energy consumption and lower your bills by:

• Regular Maintenance: Schedule annual HVAC maintenance to ensure your system is running at peak efficiency.
• Programmable Thermostat: Use a programmable or smart thermostat to optimize temperature settings based on your schedule.
• Seal Air Leaks: Caulk and weatherstrip windows and doors to prevent drafts.
• Proper Insulation: Ensure adequate insulation in your attic, walls, and floors to prevent heat loss in winter and heat gain in summer.
• Ventilation: Use fans strategically to circulate air and reduce reliance on AC.
• Energy-Efficient Appliances: Choose energy-efficient appliances to reduce your overall energy load.
• HVAC Zoning: Consider zoning your HVAC system to condition different areas of your home separately.

What should I ask an HVAC technician during a service call?

When an HVAC technician comes for a service visit, ask these important questions:

• What is the source of the problem? Get a clear explanation of the issue and what caused it.
• What are my repair options? Discuss different repair solutions, if applicable, and their associated costs.
• Are there any preventative measures I can take? Find out if there are steps you can take to prevent future problems.
• Do you recommend a repair or replacement? If repairs are extensive or the system is old, consider replacement.
• What are the warranties on parts and labor? Understand the warranties before agreeing to any repairs.
• Do you have any customer reviews or testimonials I can check? Reputable HVAC technicians are often happy to provide references or direct you to customer reviews.

Asking these questions can help you make an informed decision and feel confident in the HVAC technician's expertise and recommendations.