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Comfort and Quality You Deserve

Now Serving Milliken, Co

A-1 Heating and Air Conditioning is an experienced Milliken heating and air conditioning company specializing in maintaining your home’s perfect climate.

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Industry Certified

24/7 Service

Big Savings

The Best Service and Solutions for Your Home

Your Milliken Team in Heating and Air Conditioning

A-1 Heating and Air Conditioning Services provide professional, experienced, heating and air conditioning services for homes in Milliken, CO. We partner with homeowners to ensure that their HVAC equipment is up to par and ready to perform in the ever-changing Colorado climate.

We always offer the highest level of professionalism and exceptional customer support. As we care for your HVAC system, we seek to build a long-standing partnership with you so that we can work with you for years to come. You can count on our skilled team to provide you with the service you need, keeping your heating and air conditioning system running flawlessly. We make sure your system is working according to the manufacturer’s specifications.

Our Services

Air Conditioning

Commercial HVAC

Indoor Air Quality

Maintenance Plan

An HVAC Team You Can Trust


A-1 Heating and Air Conditioning is a locally owned company that is passionate about providing quality customer service. We are ready for any weather conditions. When you are looking for an HVAC company to trust, A-1 Heating and Air Conditioning is the only answer.

What our Customers are Saying:

Kendrick Bowlin
Kendrick Bowlin
The service was beyond what I was expecting. There were no hidden fee's or charges when I got my invoice. The issue was diagnosed and fixed in no time. I highly recommend this company -based on my experience-
Doug Measner
Doug Measner
The best in town. I use them for all my apt buildings. Quick to get out. Quick to get em fixed. Reasonable prices.
Fisher Landscaping
Fisher Landscaping
Aaron has been great to work with! Thank you for the Quick response time and very professional. Thank you A-1 Heating!
Meghan vernier
Meghan vernier
I would give them 10 stars if I could! We had other contractors come in and tell us we needed a whole new ac unit for $5k-$20k when our ac stopped working. A1 literally saved us thousands of dollars by fixing our ac unit and being honest about what was wrong. They are now our go to HVAC people!
Troy Young
Troy Young
Came out diagnosed the issues. Would recommend
Annette Ward
Annette Ward
I am very pleased with my Lennox air conditioner!. The service that Hunter did was GREAT!!! He even checked on my neighbor & did a wonderful job! A-1 has always given me great service & always on time. Thomas evaluated my conditioner & was spot on. He did not give me a snow job the day before. Thank you!
Sarah LaMotte
Sarah LaMotte
Aaron was very professional about getting my AC up and running for the summer.