What is the main advantage of a variable-speed heat pump?

Variable-speed systems provide more precise temperature control, improved efficiency, and better humidity regulation than single-stage models.

Do variable-speed heat pumps lower energy bills?

Yes. By adjusting output to match demand, they reduce wasted energy and typically lower monthly utility costs.

Are single-stage heat pumps effective in Colorado winters?

They can be reliable but may struggle to maintain consistent comfort during sharp temperature changes.

Is upgrading to a variable-speed heat pump worth it?

For many homeowners, upgrading results in quieter operation, improved comfort, and long-term energy savings.

How long do heat pumps last?

With proper maintenance, most heat pumps last 10–15 years. Variable-speed systems may last longer due to reduced mechanical stress.

Highlands Ranch HVAC Blog

Heat Pumps

Single-Stage vs Variable-Speed Heat Pumps: What’s the Difference?
October 19, 2026September 10, 2026

Compare single-stage vs variable-speed heat pumps for Denver homes. Learn which system offers better comfort, efficiency, and long-term savings.

Read More Single-Stage vs Variable-Speed Heat Pumps: What’s the Difference?
Furnaces | Water Heaters

What are Some Alternatives to Gas Furnaces and Gas Water Heaters in Colorado?
October 12, 2026September 25, 2026

Explore gas furnace and gas water heater alternatives in Colorado. Learn about heat pumps, electric furnaces, and water heaters for efficient comfort.

Read More What are Some Alternatives to Gas Furnaces and Gas Water Heaters in Colorado?
Heat Pumps

9 Benefits of Installing a Cold-Climate Heat Pump in Denver
October 7, 2026September 24, 2026

Denver’s climate puts heating and cooling systems to the test. Between frigid winter nights, dramatic temperature swings, and intense summer heat, homeowners need a solution that’s both reliable and efficient year-round. At Indoor Air Quality, Inc., we’ve seen firsthand how cold-climate heat pumps are transforming comfort and energy efficiency for homes across Denver, Centennial, Aurora, Highlands Ranch, and beyond. Let’s…

Read More 9 Benefits of Installing a Cold-Climate Heat Pump in Denver
Heat Pumps

How to Choose the Best Heat Pump Brand for Your Denver Home
September 21, 2026July 30, 2026

Whether replacing an old system or installing a new one, understanding heat pump brands is key to long-term comfort and efficiency.

Read More How to Choose the Best Heat Pump Brand for Your Denver Home
Heat Pumps

What Size Heat Pump Do I Need for My Home in Aurora?
September 15, 2026August 3, 2026

Choosing the right heat pump size for your Aurora home is essential for year-round comfort, efficiency, and reliable performance.

Read More What Size Heat Pump Do I Need for My Home in Aurora?
Heat Pumps

6 Reasons to Install a Heat Pump Before Winter in Centennial
September 9, 2026August 3, 2026

Choosing the right home comfort solution is about more than warmth. It’s about efficiency and reliability in changing conditions.

Read More 6 Reasons to Install a Heat Pump Before Winter in Centennial
Heat Pumps

Is a Heat Pump a Good Replacement for an Older AC Unit in Highlands Ranch?
August 24, 2026August 5, 2026

If your AC is aging, a heat pump may offer a more efficient and cost-effective solution for Colorado’s climate.

Read More Is a Heat Pump a Good Replacement for an Older AC Unit in Highlands Ranch?
Heat Pumps

Are Heat Pumps Efficient During Hot Denver-Area Summers?
August 17, 2026August 5, 2026

Modern heat pumps are designed to cool homes efficiently, even during extended periods of heat, when properly installed and maintained.

Read More Are Heat Pumps Efficient During Hot Denver-Area Summers?
HVAC Maintenance

Why Does My Air Conditioner Run Constantly in the Summer?
August 10, 2026August 20, 2026

An air conditioner that won’t turn off can lead to higher energy bills, uneven cooling, and unnecessary strain on system components. Here are five of the most common reasons.

Read More Why Does My Air Conditioner Run Constantly in the Summer?
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 Replaced

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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Have a Question?

Call Us at (303) 798-0500

      Excellent rating  
 Based on 182 reviews 
    
  
 
 
      Very professional and precise in the installation of new furnace,great attitude and very respectful.I would highly recommend this company for any heating and air conditioner service.
     William Kittle 
 October 22, 2026
 
 
 
 
    Great service. I wish they would wear Booties in the house otherwise really good group.
     Joel Watson 
 October 22, 2026
 
 
 
 
    Never had any problems with the company. Always on time and I trust them with the units and their recommendations. I have used their services for many years
     Barry Gilani 
 October 15, 2026
 
 
 
 
    I have had the most positive experiences over 10 years  with Pat Comeford and his team at indoor air quality for Their reliability, skill, friendliness, and reasonable prices. I recommend them completely.
     Laura Goldner 
 October 13, 2026
 
 
 
 
    Performed seasonal check on out heating system. Technician was very efficient and friendly. Fairly priced.
     Ben Grothues 
 October 3, 2026
 
 
 
 
    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
 
 
 
 
    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
 
 
 
 
    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
 
 
 
 
    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
 
 
 
 
    Always outstanding service! I would never call anyone else!
     Diana Moon 
 July 2, 2026

Heat Pump Rebates: $1,500 per Heating Ton

$500 Off a Full HVAC System

Save $1,000 on a Heat Pump