Providing Quality HVAC Services in Thiensville, WI

As a leader in the heating, cooling, and A/C industry, Ernster Heating & A/C offers an extensive list of HVAC services to both residential and commercial clients. Looking for reliability? We take our promises to our customers seriously. We are a family owned and operated HVAC services company based out of Thiensville, Wisconsin.

We understand the importance of heating and cooling equipment in your home. The correct installation and maintenance of your system will ensure you are comfortable all year-round while avoiding costly repairs.

Heating Services for All Seasons

Be it summer, winter, autumn, or spring, you can always rest assured that your home will be comfortable with Ernster Heating & A/C’s heating services. Our technicians are highly trained and experienced to handle all your heating needs with ease. We use the best tools and equipment from the top brands in the industry to ensure a quality job every time. When it comes to HVAC services, trust the professionals.

A/C Services for Maximum Comfort

When the summer hits, you can count on us to keep your home cool and comfortable. We provide A/C services that cover installation, repair, and maintenance. Our technicians are certified to handle all kinds of A/C units and can guarantee a professional job every time.

Air Purification Services to Keep You Safe

Ensure the air quality in your home is always at its best with air purification services from Ernster Heating & A/C. Our state-of-the-art purification systems eliminate dust and other airborne particles, keeping the air in your home clean and healthy. We also offer maintenance and repair services.

Expert Boiler Services

Boiler systems in your home or place of work can be complicated, but we have the expertise you need. We can work on any boiler system you may have. From traditional baseboard heaters to radiant floor tubing, we’ll fix any unit that needs repairing or replacing.