A to Z Heating & Cooling
is Greeley’s leading HVAC Company

For exceptional service, efficient equipment and fair prices, work with A to Z Heating & Cooling. Discover why we’re a leading HVAC company in Eaton, Evans, Fort Collins, Greeley, Loveland, Windsor, CO, and the surrounding areas.

A to Z Heating & Cooling Building

Expert HVAC Services from A to Z Heating & Cooling

We’re a full-service air conditioning and heating company specializing in repairs, preventive maintenance, and emergency service. As a Daikin Comfort Pro, we install a complete selection of residential HVAC equipment, including heat pumps, ductless mini-splits, and furnaces. Learn more about our areas of expertise.

  • Ductless HVAC sales and service
  • Smart thermostats and indoor air quality products
  • Repairs, diagnostics, and 24-hour emergency service
  • Preseason tune-ups and annual maintenance agreements
  • New installations and system replacements
  • Service for gas and oil furnaces

Local Heating and Air Conditioning Experts with a Legacy

A to Z Heating & Cooling has served local homeowners since the 1960s, and we’ve been under our current management since 2011. Co-owners Derek Quint and Anthony DeMarco have decades of combined heating and cooling experience, and they share an unmatched dedication to customer service.

Each member of our team upholds the highest standards for honesty, integrity, and accountability. We believe in the importance of continuous improvement, which is why we invest in continuing education and advanced technical training. This commitment to excellence has earned us an A+ rating from the Better Business Bureau and a Super Service Award from Angie’s List, and we’re always looking for ways to make our services even better.

Reasons to Choose Our HVAC Company

In a competitive market, we succeed by offering outstanding workmanship and fair prices. We put efficient HVAC equipment and quality service within reach. If you’re looking for a local heating company that will go above and beyond to keep your family comfortable, here are a few reasons to choose our professionals.

  • All services include a 100% satisfaction guarantee for added comfort and value.
  • We offer a price-match guarantee on new installations. Just show us a competitor’s estimate.
  • Customers in Greeley and surrounding areas can schedule 24-hour service at no extra charge.
  • As part of our no-surprise guarantee, we offer flat-rate estimates with zero hidden fees.
  • We complete pre-employment screenings and drug tests for your safety and peace of mind.
  • Our NATE-certified technicians have fewer callbacks and higher customer satisfaction rates.

Quality heating and air conditioning services are only a phone call away if you live in Greeley, Loveland, Windsor, or a surrounding community in Northern Colorado. Our HVAC contractors serve local homeowners day and night.

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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