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  • 5 Signs Your Home Thermostat May Need to be Replaced
    Thermostats

    5 Signs Your Home Thermostat May Need to be Replaced

    July 30, 2026August 5, 2026

    If you are having problems with the heating or cooling of your home, it may not be your HVAC system. Instead, your issue might be related to a faulty thermostat. Here are 5 signs that your thermostat needs to be replaced.

    Read More 5 Signs Your Home Thermostat May Need to be ReplacedContinue

  • 10 Reasons to Use a Smart Thermostat
    Thermostats

    10 Reasons to Use a Smart Thermostat

    November 8, 2021August 6, 2026

    Smart thermostats make it almost effortless to save money on your energy bills and help the environment at the same time. With remote access and greater convenience, today’s smart thermostats offer many benefits to homeowners. There are a variety of options to meet your needs and budget. 

    Read More 10 Reasons to Use a Smart ThermostatContinue

  • 5 Reasons You Should Consider the Google's Nest Thermostat E
    Thermostats

    5 Reasons You Should Consider the Google’s Nest Thermostat E

    January 7, 2021August 6, 2026

    If you have wanted to upgrade to a smart thermostat such as the Nest Learning Thermostat, but found the price tag to be a bit too high, Google’s Nest Thermostat E might be right for you. This stripped down version is almost as smart as the premium model, but comes at a more affordable price. 

    Read More 5 Reasons You Should Consider the Google’s Nest Thermostat EContinue

  • 5 Common Thermostat Issues Affecting Your Home's Comfort
    Thermostats

    5 Common Thermostat Issues Affecting Your Home’s Comfort

    September 21, 2020August 6, 2026

    HVAC problems don’t always mean expensive repairs and replacements. Sometimes, the problem is as simple as a disconnected thermostat. Let’s take a look at some common thermostat issues that may be affecting your home’s comfort.

    Read More 5 Common Thermostat Issues Affecting Your Home’s ComfortContinue

  • What is the Best Thermostat to Use for My HVAC System?
    Thermostats

    What is the Best Thermostat to Use for My HVAC System?

    August 23, 2019August 6, 2026

    Are you wondering about the different kinds of thermostats that are available for your home? Many homeowners are unaware that there is more than one option, but the type of thermostat you invest in can actually make a big difference in your home comfort and energy costs…

    Read More What is the Best Thermostat to Use for My HVAC System?Continue

  • 7 Reasons to Invest in a Smart Thermostat
    Thermostats

    7 Reasons to Invest in a Smart Thermostat

    August 21, 2018August 6, 2026

    It’s no exaggeration to say that smart thermostats have revolutionized the heating and cooling business. Assuming you choose a good-quality device, here are some of the benefits a smart thermostat can offer.

    Read More 7 Reasons to Invest in a Smart ThermostatContinue

  • 3 Tips to Maximize Your Programmable Thermostat Savings
    Thermostats

    3 Tips to Maximize Your Programmable Thermostat Savings

    December 21, 2017August 6, 2026

    A programmable thermostat can make your HVAC system more efficient by effortlessly adjusting the temperature to conform to your lifestyle — so that your system isn’t running when you’re not at home. Greater efficiency means greater savings. Here are 3 ways to maximize your savings…

    Read More 3 Tips to Maximize Your Programmable Thermostat SavingsContinue

  • How a Thermostat Works
    Thermostats

    How a Thermostat Works

    December 22, 2016August 6, 2026

    The thermostat – that little device on your wall that controls the furnace and air conditioner – is an essential part of your HVAC system. Today’s thermostats are highly sophisticated, offering a variety of features that improve energy efficiency. Read on to learn about the different types of thermostats and how they work…

    Read More How a Thermostat WorksContinue

  • Honeywell Focus Pro Thermostat Review & Installation
    Thermostats

    Benefits of Honeywell’s Wi-Fi Smart Thermostats

    January 22, 2015August 6, 2026

    A smart thermostat, like those offered by Honeywell, can save money on home heating and help you maintain optimal home comfort levels. Explore the key features and benefits of Honeywell’s popular wi-fi smart thermostats to see whether they may be right for you.

    Read More Benefits of Honeywell’s Wi-Fi Smart ThermostatsContinue

  • Honeywell Focus Pro Thermostat Review & Installation
    Thermostats

    Honeywell Focus Pro Thermostat Review

    November 13, 2013August 6, 2026

    In a perfect world, you’d never have to come home to a freezing cold or sweltering hot house. The Honeywell Focus Pro Thermostat can keep your home climate controlled, comfortable and energy efficient every single minute of the day or night.

    Read More Honeywell Focus Pro Thermostat ReviewContinue

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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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Google star 1Google star 2Google star 3Google star 4Google star 5
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

Indoor Air Quality, Inc.
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  • (303) 798-0500
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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
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      • Furnace Tune-Up & Maintenance
    • Heating Products
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      • Mini-Split Repair
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    • Cooling Products
      • Rheem & Bosch Heat Pumps
      • Rheem Air Conditioners
      • Mitsubishi Mini-Splits
  • Air Quality
    • Air Quality Services
      • Air Cleaner Installation
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      • Thermostat Installation
      • HVAC Zoning Installation
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