Providing Expert Heating and AC Services in Thiensville, WI

A well-maintained HVAC system has a significant impact on your indoor comfort. At Ernster Heating & A/C, we prioritize the needs of our clients to give them the right solutions. Our team provides reliable HVAC services such as heating and AC maintenance to ensure you stay cozy and relaxed no matter the temperatures outside. In addition to that, we also offer air purification services to eliminate toxic contaminants inside your home.

Local HVAC Contractor In Thiensville Wi

Our Service Areas

Established over 20 years ago, Ernster Heating & A/C has been the trusted HVAC expert in Thiensville, WI, and nearby areas, including:

  • Milwaukee, WI
  • Mequon, WI
  • Cedarburg, WI
  • Brown Deer, WI
  • Grafton, WI
  • Germantown, WI
  • Glendale, WI
  • Menomonee Falls, WI
  • Whitefish Bay, WI

Our Services

With Ernster Heating & A/C, you can expect the following services:

Maintenance and Repair

Regular maintenance is key to a functioning HVAC system. HVAC technicians at Ernster Heating & A/C will examine your equipment, and if we find an issue with your unit, we will provide the necessary AC or heating repair services.


When installing a new heating or air conditioning unit, it’s best to hire a professional such as Ernster Heating & A/C. We will make sure to install a unit that perfectly fits your home to ensure it’s running smoothly.

Air Purification Services

Poor indoor air quality can aggravate asthma or allergies. To keep indoor air safe and healthy, Ernster Heating & A/C offers exceptional air purification services to eliminate pollen, mold, dust mites, and more.

Request a Free Estimate From Our Team in Thiensville, WI

If you need professional assistance with your AC or boiler system, turn to Ernster Heating & A/C. Call us today at (414) 351-4303 or fill out our contact form for a free estimate. 

Request Free Estimate