HVAC Companies Guilford

Top 10 Heating and Cooling Services in Guilford

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  • Air, Inc.
    4.8
    Branford, CT, 171 Short Beach Rd, 06405, US

    Air Inc. Heating and Air Conditioning is a quality HVAC contractor offering a wide range of superior HVAC services ranging from ductless heat pump installation to air conditioner repair and duct sealing. Our greatest asset is our team of highly skilled and experienced HVAC technicians. Whether you're using a gas furnace, oil boiler, heat pump system, or a central air conditioning unit, you can count on our technicians to know just how to service your system. We place a particular focus on providing homeowners with more energy efficient heating and cooling options. All too many homeowners find themselves stuck with inefficient systems that are not only less environmentally friendly but also cost homeowners every year in energy bills. All the systems we work with and install are designed to be more energy efficient and cost-effective.

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  • M J Daly LLC
    4.3
    110 Mattatuck Heights Road, Waterbury, 06705, US

    MJ Daly was founded in 1882 by Michael Joseph Daly as a small mechanical contracting firm using horse-drawn, wooden-wheeled trailers to deliver pipe and equipment to customers. Today, MJ Daly stands strong with decades of experience constructing and servicing buildings throughout Connecticut and Western Massachusetts. Our leading-edge approach in building information modeling (BIM), modular fabrication methodology, and integrated project delivery, provide MJ Daly a depth of expertise across a full range of system types. We deliver total system responsibility, effectively and efficiently, ensuring one-hundred percent customer satisfaction.

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  • Charter Oak Mechanical Services
    4.6
    878 Hartford Road, Manchester, 06042, US

    At Charter Oak Mechanical, we provide our customers with sensible, comprehensive service plans. We offer the solutions you need, at prices you won't believe. Call Charter Oak Mechanical to get more information about servicing your home or business' heating, cooling, or ventilation system. We are heating, ventilation, air conditioning, refrigeration, and custom ductwork specialists. We serve Manchester, Glastonbury, Vernon, Newington, and all other surrounding CT towns. We offer over 25 years of expertise in the HVAC industry. Charter Oak Mechanical can service your residential or commercial business anytime and we stand by our work with our guarantee.* Thank You for visiting us online, we look forward to servicing your HVAC needs soon. If you are unhappy with your Home Comfort System’s cooling or heating and we can’t fix it, we will remove the equipment we installed and refund 100% of your original investment at any time during the first year. Locally owned and operated, Charter Oak Mechanical is Greater Hartford’s provider of choice for all heating, cooling and ventilation services. We service residential, commercial, and industrial properties. We have been serving all of CT for over 25 years. Our reputation speaks for itself. We are Better Business Bureau accredited and proudly carry an A+ BBB rating. At Charter Oak Mechanical we offer all customers a “no risk guarantee.” If you are unhappy with your home’s comfort systems heating or cooling and we are unable to fix it, we will remove the equipment we installed and refund 100% of your investment at any time during the first year. We also conveniently provide our customers with sensible service plans.

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  • Degree Heating and Cooling
    4.8
    160 Oak Street, Suite 508, Glastonbury, US

    Connecticut's Choice for Heating & Cooling. Our customers have placed their trust with Degree Heating & Cooling for our industry certifications, exceptional service and quality products for 30 years. Why choose Degree? Locally Owned For 30 Years: We’re not a franchise. We truly care about the community we’ve served since 1993. A Company You Can Trust: It's our promise to never use high pressure sales tactics or sell you something you don’t really need. Save Energy and Money: We carry the latest high efficiency equipment to help you reduce your energy use, and cost. Highly Qualified Professionals: We promise the fast, professional service you deserve and to leave your home spotless.

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  • Honest Air, LLC
    5
    Southington, 06489, US

    Honest Air, LLC is a dependable and reliable small business based in Southington, Connecticut. We are fully licensed and insured for your protection, and we pride ourselves on our honesty and integrity. With over 15 years of experience, we know the HVAC industry and are committed to providing comprehensive services by skilled HVAC professionals. Our team is dedicated to ensuring customer satisfaction and providing fast responsiveness to any issues you may have. We accept various payment methods, including Mastercard, Visa, Discover, American Express, Cash, Check, PayPal, and Venmo.

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  • Thomaston Comfort Control
    4.5
    401 McMahon Dr., Thomaston, 06787-1812, US

    Thomaston Comfort Control & Thomaston Oil & Propane, family owned and operated, provide trustworthy HVAC, oil, and propane services. We have been in business since 1986 and are committed to the strong values of people, protection, and peace of mind. Happily providing HVAC service, oil, and propane to residential and commercial clients for over thirty five years, Thomaston Comfort Control services throughout the state of Connecticut and Thomaston Oil & Propane services the Litchfield County area and beyond. When you choose to work with us, you can expect first-class HVAC technicians, oil, and propane specialists who have an unwavering commitment to first-class customer care. We provide incredible service that is matched by the fairest oil pricing, as well as some incredible discounts. These include discounts for military personnel, veterans, or senior citizens.

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  • New England Air Systems LLC
    4.7
    26 Federal Rd, Danbury, 06810, US

    NEW ENGLAND AIR SYSTEMS is a family owned heating & air conditioning company located in Danbury, CT. We have been servicing local homeowners for more than 20 years.

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  • Evolution Air, LLC
    4.9
    425 Fairfield Ave Bld 3, Stamford, 06902, US

    At Evolution Air HVAC, we appreciate the opportunity to be of service to you! We're happy to submit a quote for any work you need. We can tailor a custom plan that works for you. Our team is dedicated to providing top-notch service and ensuring your comfort and satisfaction.

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  • Hefferon Heating & Cooling LLC
    4.9
    37A Padanaram Road, Danbury, 06811, US

    We're motivated by keeping your family comfortable all season long! Hefferon Heating & Cooling has developed a team of helpful & knowledgeable professionals who have built a reputation all their own, for serving the indoor comfort needs for home & business owners in Danbury, CT. At Hefferon, we offer the reliable quality of Trane products to make sure you get the most performance, value, and peace of mind possible. We work hard every day to earn your trust with honest answers, personal service, and practical solutions that take the stress out of dealing with air conditioning and heating challenges.

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  • 20/20 Air Mechanical Corporation
    4.9
    50 South End Plaza, New Milford, 06776, US

    When you need expert heating, cooling or plumbing service across Connecticut and New York, you can depend upon 20/20 Air Mechanical. You can read about our superb guarantees here, and from our happy customers here. 1. HEATING & AIR CONDITIONING EXPERTISE 20/20 Air can help with a full range of new heating systems, heating repairs, new air conditioning systems, and AC repairs. 2. PLUMBING SOLUTIONS Read about our comprehensive range of plumbing and drain cleaning solutions here. 3. FAST SAME DAY SERVICE 20/20 Air will be there when you need us, with an around-the-clock emergency service. 4. PROFESSIONALS ACROSS CT & NY Count on presentable, expert technicians for your repair or new installation. We are experienced, and are fully licensed and insured. 20/20 Air services western Connecticut and adjacent New York areas. 5. EXCELLENT GUARANTEES Enjoy great guarantees for your heating, air conditioning and plumbing needs. All of 20/20 Air's workmanship is backed up by a written guarantee. 6. PRICING BY THE JOB, IN ADVANCE We always quote by the job rather than the hour, so you know the full price before we start the work. 7. SUPERB SERVICE 20/20 Air is dedicated to providing your with 100% satisfaction guaranteed service. For all your heating, air conditioning and plumbing needs across Connecticut and New York, call and speak with 20/20 Air today. Schedule Online Your name * Your Phone Your Email * Street Address * Zip Code * Service Needed For Emergency Service - Please Call CLICK TO SUBMIT FINANCING OPTIONS CALL: CT: 860-799-1218 CT: 203-456-1577 NY: 877-628-3437 Across Connecticut & New York Connecticut Canaan Sharon Cornwall Goshen Torrington New Hartford Kent Warren Litchfield Harwinton New Milford Washington Bethlehem Morris Thomaston Plymouth Southington Wolcott Waterbury Watertown Middlebury Woodbury Roxbury Bridgewater Sherman New Fairfield Brookfield Southbury Oxford Beacon Falls Prospect Naugatuck Cheshire Bethany Woodbridge Orange Milford Seymore Ansonia Derby Shelton Stratford Bridgeport Trumbull Monroe Newtown Bethel Redding West Redding Easton Fairfield Weston Westport Danbury Ridgefield Wilton Norwalk Rowayton New Canaan Darien Stamford Cos Cob Riverside Greenwich New York Peekskill Cortlandt Cortlandt Manor Buchanan Yorktown Somers North Salem Lewisboro South Salem Pound Ridge Bedford Bedford Hills Katonah Mount Kisco New Castle North Castle Croton on Hudson Ossining Briarcliff Manor Pleasantville Chappaqua Armonk Mount Pleasant Sleepy Hollow Tarrytown Elmsford White Plains Harrison Rye Rye Brook Port Chester Scarsdale Greenburgh Ardsley Irvington Dobbs Ferry Hastings on Hudson Eastchester New Rochelle Larchmont Mamaroneck Tuckaho Yonkers Pawling Fishkill Wappingers Falls Poughkeepsie Wingdale Be Sure When You Choose 20/20 Air SATISFACTION GUARANTEED SERVICE 20/20 Air will take care of your service call with the utmost of professionalism. CLEAN AND TIDY TECHNICIANS Our presentable technicians will wear shoe covers, and always clean up when work is completed. UP-FRONT PRICING We always quote our work in advance rather than charging by the hour, for your complete peace of mind. HEATING, AC & PLUMBING EXPERTS 20/20 Air is fully licensed and insured for all your HVAC and plumbing needs EMERGENCY RESPONSE When you need us in an emergency we can be there 24 hours, 7 days. SUPERB EQUIPMENT WARRANTIES If you are considering a new heating or air conditioning system, 20/20 can ensure an expert installation with a full warranty. Delighted Customers Dylan was very efficient and went the extra mile to clean our AC unit.Checked our furnace filters and replaced old ones.He is very courteous and respectful of our house, using shoes covers while in... Very pleased with the quick response that 20/20 has for emergencies (no heat in 15 degree weather) and quality of maintenance repairs, work done and technicians. Very courteous, professional, explained everything in detail, efficient. Hope too see him again! Quality service as evidenced by my most recent visit from Dylan, who was very friendly and professional and completed the necessary repair in a quality manner. Dylan was excellent, on time, courteous and explained the issue I was having clearly. I've been using 2020 for many years and never dissapointed. Dylan explained everything before he started the work. He worked very hard to be sure the job was done right.We are completely happy with the service Dylan provided. The company and the technicians are very professional. They explain any problems or repairs that are needed. Very pleased with the service and the outcome. Would tell anyone to use this company. Very professional , found the problem fast Excellent job Extremely knowledgeable, polite, efficient. I can't say enough about Dylan's work on the central air system. Diagnosed a problem and quickly repaired it. Read all 675 - 5 Star Reviews! Leave a Review No Money Down, Convenient Financing! You can finance* almost any energy improvement that cuts your home's energy costs or produces clean energy on your property. Here are just a few examples. Heating and Cooling: Air source / ground source heat pump, Central air conditioning, Ductless mini split heat pump, High efficiency furnace / boiler, Natural gas fuel conversion... Water Heating: Heat pump water heater, Indirect water heater-natural gas, On-demand tankless water heater - natural gas/Propane... Home Performance/ Efficiency: Attic, wall or floor insulation, Duct sealing, Air sealing... Renewables: Solar PV system, Solar hot water system... FIND OUT MORE *Subject to approved credit 20/20 Air Mechanical Corp, 50 South End Plaza, New Milford, CT, 06776. Tel: 877-628-3437 | 860-799-1218 | 203-456-1577. Licensing: S1 (#0391602), | P1 (#0281917), SM1 (#0004335) *Conditions apply, not applicable with any other offer, nor off any trip or diagnostic fee, or previous service, financing subject to eligibility. Call for details. HEATING CONNECTICUT | AIR CONDITIONING CONNECTICUT | HEATING NEW YORK | AIR CONDITIONING NEW YORKHEATING SPECIALISTS CT & NY Ansonia Bethel Bethlehem Bridgeport Canaan Cheshire Cos Cob Danbury Darien Derby Greenwich Litchfield Milford Naugatuck New Canaan New Hartford New Milford Newtown Norwalk Orange Ridgefield Riverside Rowayton Sharon Shelton Stamford Stratford Thomaston Torrington Trumbull Waterbury Watertown Westport Wilton Woodbury AC SPECIALISTS IN CT & NY Ansonia Bethel Bethlehem Bridgeport Canaan Cheshire Cos Cob Danbury Darien Derby Greenwich Litchfield Milford Naugatuck New Cana

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Frequently Asked Questions About HVAC Companies

Find answers to common questions about HVAC services, finding contractors, and getting the best heating and cooling solutions for your needs.

What are the different types of HVAC systems?

Several types of HVAC systems are available for residential and commercial buildings:
  • Split Systems: The most common type, consisting of an outdoor unit (condenser/compressor) and an indoor unit (air handler/furnace).
  • Heat Pumps: Provide both heating and cooling by transferring heat between indoor and outdoor air.
  • Ductless Mini-Splits: Ideal for homes without existing ductwork or for adding heating and cooling to specific zones.
  • Packaged Units: A single unit that contains all the system's components.
  • Geothermal Heat Pumps: Use the earth's stable temperature to provide highly efficient heating and cooling.
An HVAC professional can help determine the best type of system for your needs and budget.

What are the benefits of a programmable thermostat?

A programmable thermostat allows you to schedule temperature changes throughout the day, lowering your utility bills when you are away from home or asleep. Programmable thermostats can make managing your HVAC system easier and more efficient.

How long does an HVAC system last?

The average lifespan of an HVAC system is about 15-20 years. However, how long your system lasts can vary depending on usage, maintenance, and the system's quality. Regular maintenance can extend the life of your HVAC system significantly. An older system is likely to be less efficient and more prone to repairs.

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 different types of HVAC systems?

Several types of HVAC systems are available for residential and commercial buildings:
  • Split Systems: The most common type, consisting of an outdoor unit (condenser/compressor) and an indoor unit (air handler/furnace).
  • Heat Pumps: Provide both heating and cooling by transferring heat between indoor and outdoor air.
  • Ductless Mini-Splits: Ideal for homes without existing ductwork or for adding heating and cooling to specific zones.
  • Packaged Units: A single unit that contains all the system's components.
  • Geothermal Heat Pumps: Use the earth's stable temperature to provide highly efficient heating and cooling.
An HVAC professional can help determine the best type of system for your needs and budget.

What are the benefits of a programmable thermostat?

A programmable thermostat allows you to set different temperatures throughout the day, lowering your utility bills when you are away from home or asleep. Programmable thermostats can make managing your HVAC system easier and more efficient.

How long does an HVAC system last?

The average lifespan of an HVAC system is about 15-20 years. However, how long your system lasts can vary depending on several factors. Proper maintenance can help your system last longer. An older system is likely to be less efficient and more prone to repairs.

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.