"Quality, Full Service, Mechanical Heating & Air Conditioning Contractor"
                              Family Owned and Operated with Integrity Since 1984
                                      EPA Certified, Licensed, Bonded and Insured
                                           303-908-9270 Call or Text

Why Use Us?

100% Lowest Price, Highest Quality Guarantee
on any Written Proposal.
    We will beat any of our Competitors on Both Price and Quality, Give us the Opportunity to Give You The Most Value for Your Dollar.
100% Free On-Site Estimates (excludes service).
No Hidden Fees, Our Proposal Price is Our Proposal Price, Period.
$100 Referral Fees Paid On Any Signed Proposal over $1,000
Please Tell Your Friends, Family and Neighbors About
Your Experience with Us.
That Way, Everybody Wins.
Rest Assured:
Honesty, Integrity, EPA Certified, Licensed, Bonded and Insured.
Best Warranties in the Industry.
Ask about our "No-Hassle" from Heil, 
Extended and 100% Worry Free Warranties.
Family Owned and Operated with Integrity, Local Decision Making, National Buying Power and Business Relationships.
A Business Model Built on Low Overhead Costs,
Means Significantly Lower Prices for You.

The real question is why you would use anyone else?

Proud to be a Leading Northern Colorado Heil Brand HVAC Dealer

We are proud to be a Leading Northern Colorado Heil brand HVAC-R Dealer.
Heil Equipment is manufactured by International Comfort Products, LLC and all Heil Equipment is Manufactured in the USA.
Heil Products have proven to be extremely Reliable, Robust, Economical to Service and most importantly Highly Efficient. Heil and ICP represent the Pinnacle of Equipment Design and Technolgical Advancement, all at an Extremely Affordable Price. When compared to other name brands, Heil meets and exceeds all others and at a fraction of the cost. We routinely maintain and service 25-30 year old Heil Equipment which have seen No Major Mechanical Failures or Issues.
Heil Brand HVAC-R Equipment is Routinely Rated Higher by Consumers for Ease of Maintenance and Repairs than it's Competitors, including: Trane, Lennox, Carrier, Rheem, Goodman, York and Ruud.

Latest Testimonials

  • Huge Utility Savings We had Grays Heating and A/C repair our air conditioning a few months ago. We were told our system is showing it's age (17 years old) and we ...
    Posted Sep 14, 2011, 9:06 AM by Levi Gray
  • Free Emergency Service I recently lost my daughter after years of medical issues. Our furnace went out about a month later and because of the medical bills we couldn't afford to hire ...
    Posted Feb 1, 2011, 8:05 AM by Levi Gray
  • Value Fantastic Value. Almost to good to be true. I love the service and price. Thanks,   John Mathews. Longmont, Co.
    Posted Jan 27, 2011, 4:49 PM by Levi Gray
  • Third The Cost I received a quote from another contractor for fixing my furnace. I called Gray's Heating and got a quote for 1/3 the price. Amazing!   Joe B.
    Posted Jan 27, 2011, 4:48 PM by Levi Gray
  • Superpages... I have never dealt with a more professional company and was treated with respect and consideration. The work I needed was performed in a timely manner and I was not ...
    Posted Jan 27, 2011, 4:52 PM by Levi Gray
Showing posts 1 - 5 of 9. View more »

Current Promotions

The Tax Credit
Returns For 2011!

Did you Miss-Out on the 2010 $1,500 Tax Credit? 
Don't worry,
Save Even More with Our...
Fall/Winter 2011
Package Pricing!
Save $2,000+
We have Reduced the Cost to Exceed the Legendary 2010 Tax Credit Savings. This High Efficiency Package has Never Been So Affordable.
Instant $1,500 Off or Cash Back,
$450 or More in Rebates/Credits.
All on our Already 100% Lowest Price, Highest Quality Guarantee!
 We have 95% Efficient, 13 SEER Packages in Stock and ready for install. These Systems are Best Suited for Colorado Seasons and Offer the Best Return on Investment.
See Your Utilities Drop Dramatically!
These are Remaining Tax Credit Eligible Units and are Priced Well Below the 92% Efficient Package Pricing and in Some Cases Below 80% Efficient Pricing!
Call or Text to Find Out how to Receive your Share of the Tax Credit in 2011!
Hurry, Offer Ends Soon!

Visit Best of My Town -
Longmont for Current Incentives and Coupons. 
Best of MyTown - Longmont, Co!