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Expert Air Conditioning Installation in Louisville, CO

When you’re looking for a reputable HVAC company that provides top-of-the-line air conditioning installation service in Lafayette, CO, you’ll find that Welzig Heating and Air is one of the best! As a Bryant Factory Authorized Dealer, we have access to the latest and most energy efficient AC systems available on the market. Whether you need a central AC system, rooftop unit, ductless mini split, or VRF system, we guarantee superior installation service that will give you a healthy, cool, and comfortable environment.

Expert Installation Services

When you choose to work with us, you can count on our NATE certified technicians to guide you towards the perfect cooling system to meet your comfort requirements. During your initial free consultation, we’ll talk about your preferences, address your concerns, and go over your budget. After inspecting your property, we’ll make expert recommendations for the ideal cooling system that will work best for your situation. Once you select the appropriate cooling system for your needs, it will be installed carefully adhering to local building codes and safety guidelines. We’ll then test your AC system to ensure it operates as designed.

It’s incredibly important to have plans in place for maintenance service to keep your cooling equipment running smoothly for the long term. We recommend joining our Welzig Comfort Program which gives you 21-point inspections and tune-ups, priority maintenance scheduling, discounts on labor and parts, and peace of mind with a system that will continue to operate efficiently without the worry of unexpected system breakdowns. When you’re ready for a new air conditioning system installation in Lafayette, make sure to contact us!

Satisfied Customers
They Speak For Us

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!


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.


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.

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