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A-1 Heating & Air Conditioning Services

Reliable Comfort Your Family can Count on

Reliable Comfort Your Family Can Count On

A-1 Heating & Air Conditioning

A-1 Heating and Air Conditioning is a residential and commercial heating and Air Conditioning business serving Weld County, Colorado. We partner with you to maintain your equipment, ensuring that you are consistently able to keep your home or business comfortable. No matter what your needs are, we offer a high level of professionalism and top notch customer service to ensure you get exactly what you’re looking for. At A-1 Heating and Air Conditioning Services, we always stand by our work.

What to Expect:

In Need of a Trusted HVAC Company for Your Heating & Air Conditioning Needs?

Learn more about our process for Residential & Commercial HVAC services so you know exactly what to expect when we show up.

What to Expect:

Residential HVAC Service

We recognize that there are many HVAC companies you can choose for your heating and air conditioning needs in Weld County, and it can sometimes feel overwhelming, when you don’t know what kind of service you will receive from an HVAC company.  Learn more about the experience you will have from A-1 when you partner with us for your Residential HVAC needs.

What to Expect:

Business HVAC Service

When selecting an HVAC company for your commercial business, you want a company that has the experience needed, to handle complex commercial HVAC issues. Our team has been servicing commercial buildings for their HVAC needs, for over 50 years.  Learn more about our commercial HVAC processes, so you can move forward with confidence when partnering with us. 

We Stand by Our Work

A-1 Heating and Air Conditioning Services is a residential and commercial HVAC company serving Weld County, Colorado. We partner with you to maintain your equipment, ensuring that you are consistently able to keep your home or business comfortable. No matter what your needs are, we offer a high level of professionalism and top notch customer service to ensure you get exactly what you’re looking for. At A-1 Heating and Air Conditioning Services, we always stand by our work. 

Coordinate a Seasonal Maintenance Plan for Your HVAC System

Maintaining your heating and air conditioning unit is key to ensure the health and longevity of your system. With our maintenance plan, you won’t have to worry about your system breaking down right when you need it the most. We’ll care for your unit, keeping it healthy and functioning as intended. Our maintenance plan includes:

Our Services

Air Conditioning

Commercial HVAC

Indoor Air Quality

Maintenance Plan

Want to know what your savings could be with a new system?

See Your Home Savings with a new HVAC Unit in Real Time

Find Your Perfect HVAC Unit

What our Customers are Saying:

Kendrick Bowlin
Kendrick Bowlin
2022-06-27
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
2022-06-24
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
2022-06-22
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
2022-06-13
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
2022-05-27
Came out diagnosed the issues. Would recommend
Annette Ward
Annette Ward
2022-05-19
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
2022-04-24
Aaron was very professional about getting my AC up and running for the summer.

A Weld County HVAC Company You Can Trust

A well-working furnace and air conditioning system is essential for homes and businesses in Colorado. It’s important to build a long-lasting relationship with a proven company that you can depend on. A-1 Heating and Air Conditioning is locally owned and operated, with decades of experience and loyal clients, many of whom have been with us since the beginning. We build our reputation and clientele with high-quality, honest work, and proven results.

Send us your heating and air conditioning questions or to set up a time for our team to come out. 

Weld County Trusted HVAC Company

We serve clients across the region from our office in Greeley, CO. We are licensed, bonded, and insured.