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  • 6 Common Heating and Air Conditioning Questions from Homeowners
    Air Conditioners | Heating

    6 Common Heating and Air Conditioning Questions from Homeowners

    April 19, 2018August 6, 2026

    Much of your home’s comfort comes from your heating and air conditioning equipment. Many homeowners are concerned with how to maximize that comfort while also achieving energy savings and getting the best performance from their HVAC systems. Here are the answers to some common questions…

    Read More 6 Common Heating and Air Conditioning Questions from HomeownersContinue

  • Top 10 Furnace and Heating Problems in Denver
    Furnaces | Heating

    Top 10 Furnace and Heating Problems in Denver

    February 9, 2018August 6, 2026

    There are many reasons your furnace or heating system may need to be repaired. Here are the top ten problems that may cause a breakdown…

    Read More Top 10 Furnace and Heating Problems in DenverContinue

  • 8 Benefits of a Geothermal Heating & Cooling System
    Cooling | Heating

    8 Benefits of a Geothermal Heating & Cooling System

    November 21, 2017August 6, 2026

    Geothermal heat pumps provide homes with heating and cooling as well as hot water, using a small amount of electricity to harness the abundant and stable energy stored naturally in the earth. Here are 8 important advantages of geothermal systems…

    Read More 8 Benefits of a Geothermal Heating & Cooling SystemContinue

  • 3 Ways a Zoning System Can Save You Money
    Cooling | Heating

    3 Ways a Zoning System Can Save You Money

    July 19, 2017August 6, 2026

    Whether you have a newer, more efficient system or an older, costlier one, zoning saves money by making your air conditioner and furnace work more efficiently…

    Read More 3 Ways a Zoning System Can Save You MoneyContinue

  • 12 Tips to Save Money on Heating Bills this Winter
    Heating

    12 Tips to Save Money on Heating Bills this Winter

    November 22, 2016August 6, 2026

    Denver homeowners can save money (and save energy) heating their homes this winter. These 12 tips will keep you warm without taxing your furnace, your hot water heater or your budget!

    Read More 12 Tips to Save Money on Heating Bills this WinterContinue

  • 7 Easy Steps to Make the Switch from Air Conditioning to Heating
    Air Conditioners | Heating

    7 Easy Steps to Make the Switch from Air Conditioning to Heating

    October 6, 2015August 6, 2026

    You may have noticed it… the slight chill in the air in the mornings and evenings. That is your subtle reminder that it’s time to start thinking about making the switch from cooling to heating. With a small investment of time and attention, however, you won’t be caught unprepared. Here are a few steps you can take…

    Read More 7 Easy Steps to Make the Switch from Air Conditioning to HeatingContinue

  • 12 Tips to Lower Your Heating Costs
    Heating

    12 Simple Tips for Lower Heating Costs

    September 18, 2015August 6, 2026

    Heating bills do not have to break your budget. With a little effort and some common sense, you can save big on energy costs. Here are 12 steps you can take to help you get through the coldest months without tremendously large heating bills.

    Read More 12 Simple Tips for Lower Heating CostsContinue

  • Cool Alternative for Escaping the Heat: Ductless Mini Splits
    Heating

    Cool Alternative for Escaping the Heat: Ductless Mini Splits

    August 3, 2015August 6, 2026

    If you’ve been thinking that air conditioning is not a possibility, we have great news. Mitsubishi offers an exciting alternative to traditional cooling systems – ductless mini-splits. IAQ loves these systems because they work so well and offer numerous advantages…

    Read More Cool Alternative for Escaping the Heat: Ductless Mini SplitsContinue

  • How to Spot Common Heating Repair Problems
    Heating

    How to Spot Common Heating Repair Problems

    November 22, 2013August 6, 2026

    Preventative maintenance can spot most potential problems before they cause the furnace to fail, saving you money and aggravation.

    Read More How to Spot Common Heating Repair ProblemsContinue

  • Maintenance Tips for Switching from Air Conditioning to Heating
    Air Conditioners | Heating

    Maintenance Tips for Switching from Air Conditioning to Heating

    October 10, 2013August 6, 2026

    Switching over from air conditioning in the summer to heating in the winter requires paying attention to maintenance in a few areas.

    Read More Maintenance Tips for Switching from Air Conditioning to HeatingContinue

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  • Heat Pump Rebates: $1,500 per Heating Ton

    Xcel Energy is offering rebates on heat pumps. Act Now!
  • $500 Off a Full HVAC System

    Save $500 off a furnace and AC installation.
  • Save $1,000 on a Heat Pump

    Save $1,000 with a CO tax credit on a new heat pump.
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Pat & Joe, Owners

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Excellent rating
Based on 177 reviews
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I’ve used indoor air quality several times for HVAC issues. They have always been pleasant to work with and have never gouged on price!
Michael Link
September 13, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Indoor Air Quality is, pardon the pun, a breath of fresh air. Our ac unit broke during the hottest July in CO. Needed replacement, along with the furnace, due to age. First thing Pat says, “it’s hot in here, let me go outside and see if I can fix your ac so you’re at least comfortable in the meantime.” Appointment was thorough, informative and straight to the point. Good equipment, fair price, trustworthy people. Quote emailed same day. Added bonus, no two day install like other companies. They bring 5-6 guys and are done in half a day. It’s been two weeks with our new HVAC system and we absolutely love it! Not a single problem because it was installed by experienced professionals. 5 stars! Thanks for a great experience, Amy & Jeff
Amy F
August 2, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Love these guys. They actually answer the phone and show up when they say they are going to. Not in a 4 to 6 hour window, but an actual time.The technician was friendly and extremely helpful and fixed our problem within 30 minutes.
Sona Seaton
July 24, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Edit three years later: I signed up for a different service provider that covered plumbing, hvac, etc and that membership came a few things, including an ac inspection. Long story short, I was reminded why I’m so thankful to have IAQ’s number. I called Joe to come out to my house again and thankfully Indoor Air Quality had way more information, care, and clarity in pricing and how it all works than the other service. And Indoor Air Quality works with Xcel for their rebate program! I’m so grateful we found Indoor Air Quality. They are easily the best and most trustworthy HVAC company in Denver. The way they operate feels like a hometown local business. I had another company come out and work on my furnace who quoted a really high price to install a new mini split unit and charged me every time a tech came by my house. So I called Indoor Air Quality for a quote and not only was their price way more reasonable, Joe took the time to tell me what was wrong and why, and what they would recommend I do on my own and what to check on for the other unit that didn’t need work. I ended up calling them again six months later to check out my furnace and again, Joe told me much more about the problem than the first company and gave me recommendations on what would work best for my house.
R Lovell
July 18, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Always outstanding service! I would never call anyone else!
Diana Moon
July 2, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Always on time, always fair with their pricing. I've used them for over 20 years and trust them for all of my HVAC needs. Pat and Joe are the best.
William Doty
June 26, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
We have been customers of IAQ for many years and cannot say enough good things about them! They have always done a great job and are honest and trustworthy. Years ago we had a tricky problem with our air conditioner. They came back a few times, until the problem was solved. Several months later I realized that they had never billed me ( they were waiting until the problem was corrected). I called them and they told me not to worry about it! They had my business from that moment on! You can trust them completely.
Susan Brundage
June 18, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Joe’s experience with Rheem HVAC equipment, which I have, made an impact immediately. He diagnosed the problem, made repairs and everything has been working great during this latest heat wave. I highly recommend Indoor Air Quality, I will be using IAQ in the future.
David Lee
June 17, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Pat and Joe are fantastic. On time, or even early, and extremely knowledgeable and professional.
Robert Peterson
June 17, 2026
Google star 1Google star 2Google star 3Google star 4Google star 5
Outstanding same day service, I highly recommend for any HVAC needs they are very honest and won't rip you off!!!
Rick Van Zee
June 5, 2026

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5.0171 reviews

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  • 7108 S. Glencoe Ct.
    Centennial, CO 80122
  • Monday – Saturday
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  • Heating
    • Heating Services
      • All Heating Services
      • Heat Pump Installation
      • Heat Pump Repair
      • Heat Pump Tune-Up & Maintenance
      • Furnace Installation & Replacement
      • Furnace Repair
      • Furnace Tune-Up & Maintenance
    • Heating Products
      • Rheem & Bosch Heat Pumps
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