Business Profile

A to Z Heating & Cooling

HVAC Companies in Greeley, Colorado
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A to Z Heating & Cooling

Residential HVAC contractor handling repair, replacement, and maintenance of furnaces, air conditioners, heat pumps, and ductless systems with emphasis on neat installs and homeowner education Serving homeowners across Greeley, Colorado.

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Why Homeowners Choose This Business

Local experience in Northern Colorado homes, careful installs with clean finish, and clear explanations of equipment operation at handoff. Projects are assessed to fit the home’s needs, with attention to routing, placement, and minimizing disruption.

Service Area

Serving Greeley and nearby Northern Colorado communities, including Evans, Eaton, Fort Collins, and mountain areas such as Red Feather Lakes.

Active Business Listing

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Public profile details

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  • Business details
  • Photo gallery
  • Public contact information
  • Published local profile

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How This Business Compares

A quick local comparison based on review strength, business detail, and local service fit.
  • Performs at or above the local average rating.
  • Shows strong customer satisfaction signals based on review quality and volume.

Trust Signals

Emergency Service - Daily availability listed; call to confirm current response for urgent calls.
Licensing - License numbers referenced in public listings include AEC03046, H-2169 (RR), and 5329.

Services Covered

  Electrical Services
  Renovation Services
  Supplier
  Furnace Repair
  AC Repair
  Maintenance
  Heat Pump Installation
  Installations
  Ductless Mini-Split
  Repairs
  HVAC replacement
  Hvac Maintenance
  Thermostat Installation
  Central air installation
  Heating Service
  Cooling Service
  HVAC troubleshooting
  Daikin Systems

Heating and cooling system diagnostics and repair; furnace and AC replacement; heat pump and ductless mini-split installation; maintenance and tune-ups; thermostat setup and basic indoor air comfort solutions.

Reviews

Customer Reviews

Jeremy Manzella
Derek and his crew was the most professional installs I've ever had. From the beginning with his communication, to the end with his walk-through of how my new heat pump system works was top notch. I used to work for a custom home builder in…
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Derek and his crew was the most professional installs I've ever had. From the beginning with his communication, to the end with his walk-through of how my new heat pump system works was top notch. I used to work for a custom home builder in a high end community and this was a better install than our contractors were performing. Derek also helped diagnose my existing furnace without an upcharge. I would give over 5 stars if possible and wouldn't recommend anyone else. Communication, timing, cleanliness, and budget awareness, you won't find anyone better. Thank you Derek and team!
Jack Benzel
AtoZ just finished a five-head mini split system in our Red Feather Lakes home. The install was very challenging, and Derek and crew worked super hard to hide all of the large bundle of pipes inside of walls etc - it all looks great! The…
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AtoZ just finished a five-head mini split system in our Red Feather Lakes home. The install was very challenging, and Derek and crew worked super hard to hide all of the large bundle of pipes inside of walls etc - it all looks great! The attention to detail was superb, and they did a fantastic job of putting all of belongings in place just as they found them and cleaning up once the install was completed. Derek did a very thorough job of showing me how to control the system even including an app that allows us to monitor and control the temperatures from our other home. We HIGHLY recommend them!
William Milliken
I bought my Daikin HVAC unit during the pandemic at which time very little was available for an American HVAC system. I learned about Daikin, researched it, and called A to Z. They came out and evaluated my home and needs. It was winter and…
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I bought my Daikin HVAC unit during the pandemic at which time very little was available for an American HVAC system. I learned about Daikin, researched it, and called A to Z. They came out and evaluated my home and needs. It was winter and our furnace was close to being non-functional. A to Z helped me choose the perfect unit and they had it installed quickly. I have had the unit for several years now and I absolutely love it! Works like a charm, extremely efficient, quiet, easy to adjust at the thermostat or remotely by phone, and excellent customer service. April is always pleasant and very professional. Service visits are excellent, and I am on an annual Furnace/AC maintenance plan which is perfect. If you are looking for a high quality, reliable and reasonably priced HVAC with numerous options - think about a Daikin. And I highly recommend A to Z Heating and Cooling.
John Whatley
I just wanted to express my deep appreciation for the service, expertise and knowledge utilized in the installation of a new Daikin Heat Pump with A to Z Heating and Cooling. Derek, Anthony, April, Levi, Shaun and Ryan are absolutely the b…
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I just wanted to express my deep appreciation for the service, expertise and knowledge utilized in the installation of a new Daikin Heat Pump with A to Z Heating and Cooling. Derek, Anthony, April, Levi, Shaun and Ryan are absolutely the best, hands down. I've utilized their maintenance services for years, and understood back then that this a company that is top notch in every way. They go "above and beyond" at all times, and take as much time needed to answer every question I had and do a quality job. As a bonus, I've gained friendships with a number of their staff, and always look forward to seeing them when they come out to service my unit. I HIGHLY recommend A to Z to anyone who wants a honest, quality heating and cooling company. They are "SIMPLY THE BEST'!!!
Dwayne Hopkins
We recently had a whole new heating and cooling system installed in our small home, and we couldn’t be happier with the experience! From start to finish, the team was professional, knowledgeable, and incredibly efficient. They took the time…
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We recently had a whole new heating and cooling system installed in our small home, and we couldn’t be happier with the experience! From start to finish, the team was professional, knowledgeable, and incredibly efficient. They took the time to assess our needs, explained our options clearly, and provided a fair and transparent quote.
On installation day, they arrived on time, worked diligently, and treated our home with great care. The system was installed perfectly, and they even took the time to walk us through how everything works. The difference in comfort is amazing—we can already tell how much more efficient and effective our new system is!
If you’re looking for a reliable and honest HVAC company, we highly recommend A to Z Heating & Cooling. Great service, excellent workmanship, and top-notch customer care!
Thank you for making our home so much more comfortable!

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Special Offers

Emergency Service

Emergency service may be available for urgent issues.

Frequently Asked Questions

They service and replace furnaces, central air conditioners, heat pumps, and ductless mini-split systems. Thermostat setup and routine maintenance are also available.

Published hours indicate availability every day. For urgent issues, calling the main number is the fastest way to confirm current response times.

Yes. The team evaluates your home, climate considerations, and budget to outline suitable options. They provide explanations on efficiency, comfort, and installation impacts to guide your decision.

Yes, they install single- and multi-head ductless systems. Installations focus on line routing and placement to blend with interiors where possible.

Clear access to equipment areas and keep pets secured. The crew will protect work areas, perform the install, clean up, and provide a walk-through of how to operate the new system.
 Not Verified

Opening Hours

  • Monday Open 24 hours
  • Tuesday Open 24 hours
  • Wednesday Open 24 hours
  • Thursday Open 24 hours
  • Friday Open 24 hours
  • Saturday Open 24 hours
  • Sunday Open 24 hours
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Business Details

Business Rating
Not Currently Available Not Verified
Address
1429 6th Ave, Greeley, CO 80631
Phone
Business Type
HVAC Contractor
Website
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HVAC Companies in Greeley, Colorado

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