24-Hour Heating & Cooling Services
in Greeley CO & Surronding Areas

If you need reliable, efficient service for your residential heating, ventilation, and air conditioning systems, call A to Z Heating & Cooling. We’re a full-service heating and cooling contractor, offering new installations, HVAC repair, preventive maintenance, and indoor air quality solutions.

Heating System Services

The technicians at A to Z Heating & Cooling are ready to take care of all your home heating needs. Our new installations include high-efficiency furnaces, heat pumps, and ductless systems from Daikin. Our designation as a Daikin Comfort Pro allows us to honor manufacturer warranties and guarantees. We bring expertise, the proper tools, and high-quality parts with us to each job to minimize repair time and restore comfort as efficiently as possible.

Air Conditioning Services

A to Z Heating & Cooling provides residential air conditioning services, including new installations, AC repairs, and preventive maintenance. Our NATE-certified technicians offer exceptional customer service and technological excellence in every job. Our goal is to enhance your indoor comfort with prompt, courteous AC service at a fair price. We install and service all types of heat pumps, ducted AC systems, and ductless mini-split units.

Ductless HVAC Services

Ductless systems are perfect for areas that are difficult to heat and cool, such as attics, add-ons, and outbuildings. They are also used for homes that cannot support a ducted system. Installation is fast, getting conditioned air to rooms quickly and efficiently. Our HVAC services include seasonal maintenance and timely repairs on multiple makes and models of heating and air conditioning equipment.

Indoor Air Quality Services

A to Z Heating & Cooling wants you and your loved ones to breathe clean air. Our indoor air quality services freshen air, improve ventilation, and help rid your home of harmful pathogens and allergens. We’ll discuss your indoor air quality concerns and recommend products that will keep your air clean. These include dehumidifiers and humidifiers to keep humidity at recommended levels, UV lights, whole-house ventilators, and high-quality HVAC filters that capture airborne pollutants before they enter ducts and your living space.

Preventive Maintenance Services

Preventive maintenance keeps you comfortable and saves money in many ways, including lower utility bills, fewer breakdowns, less costly repairs, and extended service life. A to Z Heating & Cooling’s annual maintenance plans include two tune-ups a year, one for the AC in the spring and one for your heating system in the fall.

Residential HVAC Services from Qualified Experts

A to Z Heating & Cooling is one of the most knowledgeable and honest companies in our area. Our technicians have decades of experience in the industry and we can tackle even the most difficult HVAC problems.

We offer 24/7 emergency service with no additional after-hours fee, a 100% customer satisfaction guarantee on all our services, and our No Surprise Guarantee on pricing. We’re fully licensed, insured, and bonded, and our employees pass background checks and drug tests for your peace of mind.

Why Choose Us

24/7 Emergency Service

No After-Hours Rates

100% Satisfaction Guaranteed

Over 40 Years of Experience

Licensed, Bonded, and Insured

NATE-Certified Technicians

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