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


Limited-Time Rebates Available for New Heat Pump Installations!

(303) 736-8151

Call Today!     303-736-8151

HVAC Services

Avalanche HVAC Services of Castle Rock offers comprehensive services including HVAC repair, installation, and maintenance. We can service your air conditioner, furnace, heat pump, swamp cooler, 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. Regular maintenance. We do it all! 

As a local, 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 our work long after we are gone.  Proudly servicing Castle Rock, Littleton, Parker, Highlands Ranch, Elizabeth and surrounding areas.

We now offer Service Plans to save you time and money!

Call us at (303) 736-8151 to talk to a professional and see what we can do for you.

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. Avalanche is also a Google Guaranteed business, meaning our work is vetted and your satisfaction is guaranteed. 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.