A-1 Heating & Air Conditioning Services, located in Greeley, CO, is a full service HVAC company serving Northern Colorado since 1969. We are proud to be locally owned and operated.We offer residential and commercial heating and cooling services, including HVAC installation, maintenance and repair. We also maintain and repair gas fireplaces. Mobile and modular home owners are welcome! Our highly trained technicians are NATE certified and dedicated to each and every job. We now offer duct cleaning services.Our services include: Air conditioning installation, maintenance and repair Furnace installation, maintenance and repair Boiler maintenance and repair Ventilation maintenance and repair Remodeling as necessary for installation and service Parts and support for do-it-yourselfers HVAC contracting Duct CleaningWe are confident in the quality of our repairs. We give a lifetime labor warranty on all parts that we replace. If a part ever fails, we will replace it at no cost to you. We offer 24 hour service for your convenience!Call A-1 Heating & Air Conditioning Services today for all of your indoor comfort needs.