De Leon
Heating & Air

The Local Guys You can Trust!

Greeley, Colorado 80634

Family Owned Business


At De Leon Heating & Air we believe in exhausting all repair options before we replace your unit. Our experts are highly trained and want to give you the solution you need at a price you can afford.

Spring Special 2 for 1 Ac Tune UP & Furnace Inspection VALUE $199 NOW $79

Your AC unit works hard, so why not show it some love? Here at De Leon Heating and Air, our team recommends getting on an Air Conditioning Maintenance schedule. This takes the guesswork out of your AC upkeep and ensures your unit is getting what it needs on time, every time. Our techs can schedule your inspection appointments in advance, so you can rest easy knowing your AC is in tip-top shape and will keep working hard all summer long.

  • We provide a free filter replacement.
  • Clear away brush and debris around the external face of your AC unit.
  • Clean the condenser coils each spring – this is one of the most important Air Conditioning Maintenance duties.
  • Lubricate the motors and bearings annually
  • Recharge refrigerant any time you notice the unit’s output decreasing
  •  We Check and clean the condensate drain.
Blue Modern Apartment Cleaning Service Facebook Post


Welby De Leon

Welby is an expert technician with years of experience. He understands how expensive HVAC fixes can be, and wants to give you a reliable fix at a price you can afford.

Our Services

The People You Can Trust 

Air Conditioning

We take care of AC fixes, maintenance, and new unit installs. AC blowing warm air in the middle of the summer? We got you.


Winters are long in Colorado and we want you to stay warm. Get your furnace checked before this coming winter.


Haven't had your ducts cleaned in a while? Dirty ducts can affect your air quality and grow mold over time. Call us for a checkup.

Ductless Units

Ductless units can have many benefits. You don't have to clean ducts and worry about the dirt and debris. Call us for more information or repairs.


What Our Customers Have To Say

"Welby was right on time to our emergency Sunday appointment today, and was very friendly and professional. He explained all of our options and what went wrong with our system so we could better maintain it going forward. Once we decided what we would do to fix it, he had everything repaired and operating normally again in less than an hour. We will definitely be calling him again if the need comes up! We highly recommend this company!"
Arianne Bulger
"This business (and owner) is the real deal! He spent the time needed to check ALL parts of our A/C system and repair the multiple problems it had. He was prompt, communicative, friendly, and very knowledgeable. His expertise is deep and his focus on customer satisfaction unparalleled. He warranties his labor, too! So pleased with Welby DeLeon’s work!"
Shannon McCasland
"Welby was very professional, knowledgeable and friendly. He came exactly on time, and gave us many helpful hints to keep our units running more efficiently. We plan to call him to install a heating/cooling unit in our garage. Wonderful service and we are very happy customers!"
male, model, smile-2634974.jpg
Flynn Escobedo


Phone: (970) 324-4458

Address: 16th St Rd Greeley, Colorado 80634

Hours:  Available 24/7