Professional Ductless HVAC Services in Louisville, CO

When it comes to innovative heating and cooling products in Louisville, CO, Welzig Heating and Air offers the best energy-efficient solutions to cover your comfort needs for your home or commercial space. As a Bryant Factory Authorized Dealer, we’re proud to offer some of the most sought-after ductless HVAC systems on the market that will save you money, lower your carbon footprint, and last for a long time. Our experts are factory trained, NATE-certified, and have the expertise to install, maintain, and repair all makes and models of ductless HVAC systems.

If you’re in the market for a new Ductless HVAC system or replacement, our technicians have the expertise and knowledge to ensure a seamless process. We’ll get started by carefully assessing your property to determine the appropriate placement of indoor and outdoor units, proper sizing, and optimal airflow for maximum comfort in your environment. Your new ductless HVAC will be installed with precision, carefully adhering to local building codes and safety guidelines.

Expert Evaluation & Performance

At times, your ductless HVAC system may develop problems such as refrigerant leaks, sensor issues, faulty compressors, or frozen evaporator coils. If you’re dealing with any issues with your system, make sure to get in touch with us as soon as possible. Our experts specialize in prompt and efficient repairs that are guaranteed to last and keep your equipment running in peak condition. The best way to keep your ductless HVAC system running smoothly and reliably is to join The Welzig Comfort Program! When you enroll in one of our maintenance plans, you can appreciate 21-point inspections twice per year, priority servicing, and no trip charges with select plans. For the most dependable ductless HVAC services in Louisville, make sure to give us a call or send us a text for a free service quote!

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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