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Expert Air Conditioning Service in Lafayette, CO

Having a well functioning AC system is extremely important to ensure a safe, cool, and healthy environment throughout the hot seasons in Colorado. If you have a home or business in Lafayette, CO, Welzig Heating and Air provides top-tier air conditioning service. Our NATE certified technicians specialize in the new design and installation of AC systems, system replacements, repairs, and maintenance.

Expert Analysis

Whether you’re in the market for a new AC system installation or you need to replace your old and inefficient equipment, our experts have you covered! It starts with a free consultation where we’ll discuss your comfort requirements, preferences, concerns, and budget. After assessing your property, we’ll come up with recommendations for the ideal AC system for your needs. As a Bryant Factory Authorized Dealer, we have access to high performance systems that will save you on your energy expenses and provide superior comfort to your environment.

We understand how miserable and inconvenient it can be when your AC equipment faces issues. Whether your AC system is making strange sounds, failing to provide enough cooling, or breaks down, you can count on our experts to efficiently diagnose and repair your system so it works in peak condition again. We’re also available 24/7 for emergency repair service, so feel free to call us anytime you’re facing an emergency with your cooling equipment. It’s important to keep your system maintained to keep it running smoothly for the long term. We recommend enrolling into the Welzig Comfort Program which will protect your system from unexpected failures, increase system longevity, and lower your energy expenditure. When you want the most reliable air conditioning service in Lafayette, make sure to give us a call!

Satisfied Customers
They Speak For Us

Dave Kaplan-Gomez and James Miltersen installed my new Tankless Water Heater. Both were polite and professional. Care was taken not to damage anything in my house which I really appreciated. I use Welzig for all my HVAC needs and highly recommend them.


Bob came out to look at our swamp cooler and was remarkably helpful and professional. Not only did he give me a knowledgeable diagnosis, but he also taught me a lot in the process. We’ll be calling him for all future needs with our cooling system.


Our 23-year-old A/C system ran out of “borrowed time” and became too difficult to continue maintaining. With great advice from Casey Welzig,, we replaced the old system with a Bryant Evolution A/C system. Max Loustaunau and Seth Bernhardt did an excellent job with removing the old system and installing the new one. Both of them are great to work with — very professional and very personable. We are really amazed at how much better the new system works!

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