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Heating and Air Conditioning Solutions for Your Colorado Business

Get the heating and air conditioning solutions you need, to keep your business comfortable year-round. A-1 Heating and Air Conditioning Services is your partner in efficient, quality, HVAC service.

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Commercial Heating and Air Conditioning Services for your commercial space in Weld County

At A-1 Heating and Air Conditioning, our business goal is the same as yours- to build a base of long-term, loyal clients. That’s why we focus on providing our customers with intentional, high-quality, custom services. Our team of expert technicians is skilled and knowledgeable, with the ability to provide every commercial HVAC system with the service it requires. You can count on A-1 to always perform honest, flawless work. If we don’t get it right the first time, we keep on working until we do. That’s the A-1 way.

Professional Commercial HVAC Team


A-1 Heating and Air Conditioning is a locally owned and operated HVAC company that cares about providing the highest quality of work and building authentic, long-term relationships with businesses in Weld County. We have a seamless reputation among Colorado businesses, with proven results to back it up. If you’re looking for a heating and air conditioning company that you can count on, A-1 Heating and Air Conditioning is here for you.  


Tailored Heating and Conditioning Solutions for your Commercial Property

When selecting an HVAC company for your commercial business, you want a company that has the experience needed, to handle complex commercial HVAC issues. We have the experience needed, to service many types of commercial buildings throughout Northern Colorado. Below are a handful of (but not limited to), commercial buildings our team has diligently served for the last 50 years. If you’re a business owner and need a reliable HVAC service provider, to serve your commercial building’s specific needs, we’re the team for you.


Gyms and fitness centers are buildings with unique HVAC requirements, full of people exercising and working hard to better their physical condition. Indoor air quality and indoor comfort are top priority for these types of businesses. A-1 Heating and Air Conditioning Services will partner with you to make sure your HVAC needs are met.

Apartment Complexes

Apartment complexes have unique challenges, and configurations, to meet the requirements of each unit in the complex. A-1 Heating and Air Conditioning Services partners with building owners, property managers, or site maintenance teams to regularly maintain your HVAC equipment, and keep your apartment complex comfortable for its residents.


No matter what type of food your restaurant serves, your goal is to make great food, and create an enjoyable atmosphere for your guests. A-1 Heating and Air Conditioning Services will maintain your restaurant’s HVAC system and help you create an environment guests will return to again and again.

Automotive Shops

As an automotive shop, your biggest focus should be on servicing vehicles and keeping your customers and employees comfortable and happy. Partnering with A-1 Heating and Air Conditioning Services gives your automotive shop the best chance at maintaining a comfortable and productive environment, so you don’t have to focus on indoor comfort.

Office Complexes

When you have an office complex that houses multiple offices in a single building, there are unique requirements to ensure that each office is comfortable and has adequate ventilation. A variety of businesses in various industries can make up one office complex, or one company can have employees in each office space. It is critical for these complexes to have the proper indoor air quality, ventilation, and HVAC systems, to ensure that individual offices and shared common spaces, maintain a comfortable work environment.

Dentist Offices

Dentist offices are warm and inviting for employees and patients. During routine check-ups and extensive dental procedures, it is important to maintain a comfortable environment. A-1 Heating and Air Conditioning Services partners with dentist offices to provide regular HVAC maintenance and repairs.


A Comfortable Colorado Office All Year Round

Customer loyalty and satisfaction are top A-1 priorities. We want to create a long-term partnership with your business, by regularly maintaining your equipment and caring for all of your heating and air conditioning needs. We create unique service programs for commercial properties, such as:

Our comprehensive heating and air conditioning services include:

What our Customers are Saying:

Jonathan White
Jonathan White
A1 did an excellent job on our furnace and ac replacement after our old unit failed. The new unit also seems to be keeping the temp better regulated and the filter already looks filthy indicating it is doing its job unlike the last setup. I really appreciate everyone that works here and what they do! Update: at my new house I had them assist in putting ducting in the basement as I work towards finishing it. They were prompt and courteous and the work was excellent as always.
Misty Urban
Misty Urban
Update 2/15/2022: I will continue to rave about this company! Super fast and friendly service! They ALWAYS find the problem and have been so kind and understanding every time! The Owners are wonderful and they do a fantastic job finding wonderful employees to represent their company! I still continue to ONLY use A-1 and recommend them any chance I can get. ............... A-1 has always been Fantastic to do business with. We got our central A/C system installed by them and they even came out to inspect it when things weren't working right. Turns out the issue was user error but they did such an amazing job of being patient with us to explain the issue, educating us on how to better care for our system, and even made sure the entire unit was updated and running smoothly before they left. They are fast in their responses and their 24 hour service is great highly recommend A-1. We won't use anyone else!
MollyKeith Carlisle
MollyKeith Carlisle
I have used this business twice now to repair and tune my furnace. Both experiences have been exceptional. Both of the guys who came at the two different appointments were extremely courteous, very professional, knowledgeable, and timely. For both appointments I have had they were able to come to my home based on what worked best with my schedule and were very flexible. They arrived when they said they were going to and fixed everything that needed to be fixed without taking an entire afternoon. They explained things in a way that made me feel like I understood what was being worked on without feeling like I was being talked down to. I will continue using this company for all of my air conditioning and furnace tuneup and needs in the future!
Aaron did such a super job for us and was so energetic and friendly. He quickly diagnosed the problem, fixed it and assured us that he would return if needed. I am sure he even saved us some money. He called ahead and arrived on time. Can't say enough about this young man and his work ethic.
Aaron Noyes
Aaron Noyes
29 year old furnace went out in my rental property. A-1 Heating and Air promptly came to do a service call I wanted done and service tech Aaron informed me a new furnace was going to be needed. Got the new furnace seamlessly scheduled for replacement and promptly installed by tech Hunter,new furnace is quieter, more efficient then the old one A-1 installed 29 years ago. Very proffesional service !
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!

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 state from our office in
Greeley, CO. We are licensed in all of our services.