Avalanche HVAC Services offers quality heating and cooling services including A/C and furnace repair, installation, and maintenance. We proudly service Castle Rock, Parker, Littleton, Centennial, Elizabeth and surrounding areas.

Keep you and your family comfortable in every season.


Summer Special: $79 A/C Tune-Up with a 1 year guarantee!

Call Today!     303-736-8151

HVAC Services

Avalanche HVAC Services of Castle Rock offers comprehensive services that include HVAC repair, installation, and maintenance. We service air conditioners, swamp coolers, furnaces, and all heating and cooling systems. We also install necessary accessories such as humidifiers, thermostats, and electronic air cleaners. For the best in Castle Rock HVAC companies, look no further! AC Repairs. Furnace Repairs. New Installations and maintenance. We do it all! We service Castle Rock, Littleton, Parker, Highlands Ranch, Elizabeth and surrounding areas.

Air Duct Cleaning

In addition to heating and air conditioning, we also proudly provide air duct cleaning. For a duct cleaning servicce, we will seal off all vents and use a Nikro duct cleaning vacuum to suck out the dust and debris that get built up over the years, thereby ensuring that the air you breathe is as clean as possible and free from allergens or bad odors. As an added bonus, if you let us install any full heating and air conditioning system, you’ll receive a free duct cleaning or humidifier install. Want to know more about the importance of HVAC repair and maintenance? Check out this great article about HVAC maintenance from the EPA.

As a family-run small business, we strive to treat you with the same loyalty and respect that we treat our own home. Our team takes pride in the way we are able to establish positive, long-lasting relationships with our clients. We try to always listen to your concerns, never up-sell you on unnecessary services, and ensure that you remain satisfied with the work long after we are gone.

Interested in our services? Call us at (303) 736-8151 to talk to a professional.

Why Choose Us

Our company was included in the Castle Rock's Best of the Best 2013 and 2018 awards, and we carry 5 star rating on Yelp, a 5 star rating on Home Advisors, and a 4.9 star rating on Google Businesses. We believe that this is mainly because we treat our clients with utmost respect and honesty, and care for their homes as if they were our own.


We are always timely and operate
with honesty and integrity.

Excellent Service

We strive to live up
to your expectations.

Quality Equipment

We only use
top-of-the-line machines.

Dedicated Team

Our friendly staff is always ready to answer your questions.