A-1 Heating and Air Conditioning Services
A-1 Heating and Air Conditioning Services is a family owned residential and commercial HVAC company that has served Greeley and Weld County, Colorado since 1969. The company is locally owned and operated out of 107 N 23rd Ave in Greeley by Slade and Shanna Joines, who purchased A-1 from Darren Knoll after Slade had worked alongside him for more than a decade. The team handles heating and cooling repair, replacement, and maintenance for homes as well as commercial buildings, covering furnaces, air conditioners, heat pumps, ductless mini-splits, thermostats, and indoor air quality products such as whole-house filtration, UV purification, and humidifiers built for dry Weld County winters. A-1 is a certified Lennox Premier Dealer, a status Lennox renews annually based on technical training, customer satisfaction, warranty performance, and community reputation, and the company installs and services every major brand including Lennox, Trane, Carrier, Goodman, Rheem, Bryant, and Amana. Same-day service is available across Greeley and Weld County, 24/7 emergency support covers overnight furnace failures, and in-home replacement estimates are free and include a Manual J load calculation, altitude derating, and a full rebate breakdown. A-1 is fully licensed, bonded, and insured throughout Northern Colorado, handles Xcel Energy, Atmos Energy, Colorado state, and federal rebate paperwork for you, and offers Lennox factory financing along with Wells Fargo and Synchrony options.
Services
Air conditioning repair
Air conditioning installation
Furnace repair
Furnace installation
Heat pump installation
Why choose us?
Location & hours
107 N 23rd Ave, Greeley, CO 80631, USA
FAQs
How long has A-1 Heating and Air Conditioning been in business?
A-1 has served Greeley, Colorado and Weld County since 1969. Slade and Shanna Joines purchased the company from Darren Knoll and continue the tradition, and Slade had worked alongside Darren for more than a decade before that.
Are you a local HVAC company or a franchise?
A-1 is locally owned and operated out of 107 N 23rd Ave in Greeley, Colorado, and has served Weld County families since 1969. The technician who shows up lives in Northern Colorado.
Do you offer emergency service when a furnace fails overnight?
Yes. Colorado winter nights are not the time to wait until morning, so A-1 provides 24/7 emergency heating service across Greeley and the surrounding Weld County towns.
Do you provide free replacement estimates?
Yes. In-home replacement estimates are free and include a Manual J load calculation, altitude derating, and a full rebate breakdown.
Are you licensed and insured?
Yes. A-1 Heating and Air Conditioning is fully licensed, bonded, and insured throughout Northern Colorado.
What brands do you install and service?
A-1 is a Lennox Premier Dealer and also installs and services every major brand including Trane, Carrier, Goodman, Rheem, Bryant, and Amana.
What is included in the maintenance plan?
Two seasonal precision tune-ups, priority scheduling ahead of non-members, a discount on repairs, and a documented safety inspection including combustion and carbon monoxide checks. Members save 15% on all repairs and get 24-hour emergency service.
Are there HVAC rebates available for Greeley homeowners?
Yes. Xcel Energy, Atmos Energy, and Colorado state rebates can stack to save Greeley homeowners thousands on heat pumps, high-efficiency furnaces, and air conditioners, and A-1 helps with all of the paperwork.