Littleton HVAC Repair, Installation & Maintenance

Expert HVAC Services in Littleton, CO

Indoor Air Quality, Inc. provides reliable heating, cooling, and air quality solutions for homeowners in Littleton, CO. Family-owned and operated since 2001, we focus on repairing systems first instead of pushing costly replacements. Our NATE-certified technicians deliver energy-efficient, cost-effective solutions with a service approach centered on honesty, expertise, and affordability. With lower costs than big franchise companies, we’re committed to keeping Littleton homes comfortable year after year.

Book Online Call (303) 798-0500

Pat & Joe, Owners of Indoor Air Quality, Inc.

Founded in 2001

Family-Owned

Licensed, Insured, Bonded

NATE Certified

Littleton HVAC Services

Heating Services

Reliable heating services for Littleton homeowners to ensure your home stays warm during Colorado’s cold winter months.

Cooling Services

Dependable cooling solutions for Littleton homes so you stay cool when summer temperatures heat up.

Indoor Air Quality

Advanced air quality services in Littleton ensure your home’s air is clean, comfortable, and properly humidified year-round.

Expert Ductwork Services

Expert ductwork services for Littleton homeowners to optimize airflow and HVAC performance throughout your entire home.

Rebates & Incentives for Homes in Aurora

Save Up to $6,000

on a New Heat Pump

Save thousands with Xcel Energy rebates.

Learn More

Save $500

On a New Furnace & AC

Save $500 off a furnace and AC installation.

Learn More

Save $1,000

CO Tax Credit

Receive $1,000 off an air source heat pump installation.

Learn More

Save money when you take advantage of our rebates & special offers

Offers

HVAC Projects in Littleton

Check Out Our Recent Projects in Littleton

Heat Pump Installation

See What Your Neighbors Have to Say

Testimonials

      All reviews
 
   Google
 
   Facebook
 
 
  
 
 
 
  Excellent5.0178 reviews
 5.0
 Excellent178 reviews
  Write a review     Google    Facebook  
 
 
 
    
 Excellent5.0172 reviews
 5.0
 Excellent172 reviews
  Write a review 
 
    
 Excellent5.06 reviews
 5.0
 Excellent6 reviews
  Write a review 
 
 
 
   
 
 
      Posted on Google  
   
   Pamela Ball 
 0 days ago
 
 
 Trustindex verifies that the original source of the review is Google. 
  
 
     Posted on Google  
   
   Ben Grothues 
 6 days ago
 
 
 Trustindex verifies that the original source of the review is Google. Performed seasonal check on out heating system. Technician was very efficient and friendly. Fairly priced.
  
 
     Posted on Google  
   
   wally heinz 
 15 days ago
 
 
 Trustindex verifies that the original source of the review is Google. 
  
 
     Posted on Google  
   
   Martin Pozek 
 15 days ago
 
 
 Trustindex verifies that the original source of the review is Google. 
  
 
     Posted on Google  
   
   Michael Link 
 26 days ago
 
 
 Trustindex verifies that the original source of the review is Google. 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!
  
 
     Posted on Google  
   
   Amy F 
 68 days ago
 
 
 Trustindex verifies that the original source of the review is Google. 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
  
 
     Posted on Google  
   
   Sona Seaton 
 78 days ago
 
 
 Trustindex verifies that the original source of the review is Google. 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.
  
 
     Posted on Google  
   
   R Lovell 
 84 days ago
 
 
 Trustindex verifies that the original source of the review is Google. 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.
  
 
     Posted on Google  
   
   Diana Moon 
 99 days ago
 
 
 Trustindex verifies that the original source of the review is Google. Always outstanding service! I would never call anyone else!
  
 
     Posted on Google  
   
   William Doty 
 106 days ago
 
 
 Trustindex verifies that the original source of the review is Google. 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.
  
 
     Posted on Facebook  
   
   Les Pottern 
 557 days ago
 
 
 recommendsTrustindex verifies that the original source of the review is Facebook. This is a very exceptional company to do business with.  We are extremely pleased with the new HVAC that we purchased and more impressed by the level of quality service provided, even well after the purchase.
  
 
     Posted on Facebook  
   
   Mark Corbett 
 759 days ago
 
 
 recommendsTrustindex verifies that the original source of the review is Facebook. Awesome people and fantastic workmanship. Competitive pricing 
Highly recommended
  
 
     Posted on Facebook  
   
   Sherry Mackinnon 
 1213 days ago
 
 
 recommendsTrustindex verifies that the original source of the review is Facebook. IAQ have been helping with all my HVAC needs for many many years 
Great work- prompt service -  very good pricing    Totally trust them !
  
 
     Posted on Facebook  
   
   Steve Rodriguez 
 2258 days ago
 
 
 recommendsTrustindex verifies that the original source of the review is Facebook. Best customer service and quality I have ever seen in an HVAC company!   Just got home from vacation and walked into an 84° house at 7:30 PM at night.   They were here the next day at 10:30 AM and fixed the issue within 15 minutes!   No upsell or money making recommendation.   Joe and Pat go out of their way to accommodate their customers, and I have used them for both my rental house and primary residence and would recommend them to anyone.  There’s a reason they are a 5 star review company!
  
 
     Posted on Facebook  
   
   Paul Malkoski 
 2765 days ago
 
 
 recommendsTrustindex verifies that the original source of the review is Facebook. Quick, efficient service.
  
 
     Posted on Facebook  
   
   Amy Donovan 
 2817 days ago
 
 
 recommendsTrustindex verifies that the original source of the review is Facebook. Joe was prompt, thorough, and kind. I would recommend IAQ to anyone looking for an honest company.

Our Simple 4-Step Process

Call Us and Speak with Pat or Joe or Book Online

We’ll Arrive On Time to Inspect Your Equipment

We’ll Provide an Honest Diagnosis & Quote

We’ll Repair or Replace Your Equipment

Call (303) 798-0500 Book Online

HVAC Considerations for Littleton Homes

Littleton’s climate includes cold, snowy winters, hot summers, and dry air due to its elevation. Here’s what to consider:

Winter Heating:
Furnaces and heat pumps are essential for consistent warmth during Littleton’s cold months.
Summer Cooling:
Air conditioners, mini-splits, and heat pumps efficiently handle the heat and keep your home cool.
Year-Round Efficiency:
Heat pumps offer reliable heating and cooling, making them perfect for Littleton’s seasonal changes.
Humidity Control:
Whole-home humidifiers combat Colorado’s dry air, improving comfort and protecting wood furniture and floors.
Elevation Performance:
HVAC systems should be calibrated for Littleton’s altitude to ensure optimal energy efficiency all year long.

Schedule an Inspection Call (303) 798-0500

Littleton HVAC Repair, Installation & Maintenance

HVAC Repair vs. Replacement in Littleton

Indoor Air Quality, Inc. prioritizes fixing and maintaining your existing HVAC system whenever possible, saving you time and money. Unlike larger companies, we don’t push unnecessary upgrades or replacements; we only recommend replacements when repairs are no longer cost-effective or safe. With a focus on transparency and trust, our repair-first philosophy ensures Littleton homeowners can feel confident they’re getting the best and most affordable solution.

Heating Services Cooling Services

Why Littleton Homeowners Choose IAQ

Littleton homeowners trust Indoor Air Quality, Inc. for exceptional service that ensures long-term comfort. Here’s what makes us different:

Here’s Why:

Family-owned and operated since 2001 with two generations invested in excellence.
Honest, repair-first recommendations that keep costs low and avoid unnecessary upgrades.
No commission-driven sales tactics or upselling of products homeowners don’t need.
NATE-certified technicians with cutting-edge training and industry expertise.
Written warranties on installations and repairs for guaranteed satisfaction.
Specialized service expertise in Rheem, Bosch, Mitsubishi, Aprilaire, Google Nest, and Honeywell systems.
Assistance with rebate paperwork for qualifying energy-efficient upgrades.
Lower overhead costs compared to big franchises, allowing better pricing for Littleton homeowners.
Warranties include 5 years for labor and 10 years for parts (with registration) on installations.

About Us Meet Our Team

Indoor Air Quality Team - Pat, Joe, Eric, and Cooper

Service Coverage in Littleton, CO

We are proud to serve the entire Littleton community, including the following neighborhoods and zip codes:

Neighborhoods:

Downtown Littleton
Columbine Valley
Grant Ranch
Ken Caryl
Southglenn

Zip Codes:

80120
80121
80122
80123
80127

FAQs

Yes, we provide full HVAC services across all neighborhoods and zip codes in Littleton.

Heat pumps, furnaces, and mini-splits are ideal for managing seasonal temperature changes and altitude-specific efficiency.

Yes, modern heat pumps are designed to perform efficiently in cold Colorado winters and provide cooling in summer.

Most HVAC repairs are completed within the same day or next day for your convenience.

Yes, qualifying rebates are available for energy-efficient systems, and our team assists with rebate paperwork.

We specialize in Rheem, Bosch, Mitsubishi, Aprilaire, Honeywell, Google Nest, and other premium brands.

Absolutely. We inspect ductwork to ensure efficiency before suggesting upgrades or replacements.

Schedule an HVAC Service in Littleton Today

Contact us today for professional HVAC services in Littleton, CO. With locations in Centennial and Aurora, we serve all of South Denver.

Call 303-798-0500 or request an in-home assessment to schedule an appointment with our team of HVAC professionals.