Get Great HVAC Services in Greeley, Colorado

With over 40 years of experience and excellence, we offer many services that will make your indoor comfort needs and concerns a breeze. Our qualified and highly trained technicians are NATE certified and dedicated to providing premier service on every job.

The services we offer include the following:

  • Residential and commercial
  • 24/7 Emergency service
  • Furnace installation, maintenance, & repair Air conditioning installation, maintenance, & repair
  • Remodeling as necessary for installation and service
  • Boiler maintenance & repair
  • Basement finishes and remodels
  • Parts and support for do-it-yourself-ers
  • Duct Cleaning
  • Residential hot water heater replacement


A1 Heating & Air Conditioning Services, Inc.

107 N 23rd Ave
Greeley, Colorado 80631
(970) 352-3500