1,469 Dorsey, IL HVAC Contractors

What do HVAC contractors do? “HVAC” stands for “heating, ventilation and air conditioning.” An HVAC technician or contractor specializes in heating systems, air duct cleaning and repairs, insulation and air conditioning for your Dorsey, IL home and other homes. More 
Collinsville, IL, 62234
21 miles from Dorsey
Guaranteed Comfort and Energy is a whole-house comfort and energy solution company that specializes in lowering utility costs by providing energy efficient home comfort solutions. Read More
Saint Louis, MO, 63123
36 miles from Dorsey
Our team is on top of (and inside, and around) all things HVAC. We work with the top manufacturers, and our customer service is the reason we've been in business 50+ years. Read More
Brighton, IL, 62012
10 miles from Dorsey
At Den-Son Inc Cooling & Heating, we provide a large selection of heating and cooling products to keep the climate of your home or business comfortable. Den-Son’s most valuable... Read More
Chesterfield, MO, 63005
42 miles from Dorsey
Chesterfield Service began in 1976 and has been serving and growing with the surrounding communities. We have a 100% Customer Satisfaction Guarantee, if you aren't happy we're... Read More
BERTELS AND COMPANY (618) 377-9008
Moro, IL, 62067
4 miles from Dorsey
Bunker Hill, IL, 62014
5 miles from Dorsey
Moro, IL, 62067
5 miles from Dorsey
BERTELS HEATING & COOLING (618) 377-9008
Moro, IL, 62067
5 miles from Dorsey
Green Home Solutions (618) 343-0033
Collinsville, IL, 62234
21 miles from Dorsey
Green Home Solutions was founded in 2007 by Phil Green, who has been working in the construction industry since 1989. Green Home Solutions provides several different home... Read More
Ricotta Heating and Air (636) 274-5900
St Louis, MO, 63107
26 miles from Dorsey
For over 50 years, Ricotta Heating and Air has provided the St. Louis area with high quality HVAC services. With over 28 fully equipped services trucks and dozens of highly... Read More
Staunton, IL, 62088
11 miles from Dorsey
BERTELS AAND COMPANY (618) 377-9008
Moro, IL, 62067
6 miles from Dorsey
Classic Aire Care (314) 991-1137
Olivette, MO, 63132
31 miles from Dorsey
About the Business : We are a client focused heating and cooling company. Specializing in the installation of Complete Comfort HVAC systems, you can put your trust in us. Now... Read More
Maryland Heights, MO, 63043
31 miles from Dorsey
With 24 hour service, 365 days a year- and never any overtime charges- Academy Air Heating and Air Conditioning is the premier full service HVAC company in St. Louis MO. Academy... Read More
Saint Charles, MO, 63301
32 miles from Dorsey
Jerry Kelly Heating and Air Conditioning is one of Missouri's most trusted heating and cooling contractors. Since 1977, we've been providing comfort solutions for residential... Read More
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When Should You Hire an HVAC Contractor?


Generally, HVAC contractors or HVAC technicians work with or run companies that repair or install heating systems and air conditioning units for homes. But they have specialized services too. For example, if you are a wine collector and you are thinking of installing a wine cellar in your Dorsey, IL home, you might hire a Illinois HVAC professional who specializes in refrigeration work. You can find more hvac contractors in St Louis, Saint Louis, Upper Alton, Alton and Edwardsville.

HVAC professionals can use their skills to help you to save money on your Dorsey, IL home’s energy bills by installing radiant barriers in your attic or split-zone heating and cooling systems to heat rooms like solariums while cooling upstairs bedrooms during warmer temperatures.

If you or a family member suffers from allergies, you’ll want to find a Illinois HVAC technician who is knowledgeable about the latest cooling and heating products that include antiallergen filters. Contractors who work in the HVAC industry keep up on the latest in heating and air conditioning technology so outdated or troublesome systems can be retrofitted with newer, more energy-efficient models. Some of these professionals may work with your contractor, builder or other home improvement professional to get the job done.

Here are some related professionals and vendors to complement the work of hvac contractors: Specialty Contractors, General Contractors, Solar Energy Contractors, Electrical Contractors.

Ask HVAC contractors about these residential heating and cooling technologies:


  • Tankless hot-water pumps
  • Residential air cleaning devices
  • Ductless air circulation systems
  • A desiccant enhanced evaporative air conditioner system (for hot and humid climates)
  • Heat recovery systems (which cool the air and heat water with no extra energy use)

Find HVAC contractors on Houzz. Look in the Professionals section of our website and search for Illinois HVAC contractors. Read reviews and see how an HVAC contractor might approach your Dorsey, IL home’s heating and cooling challenges.
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