FAQs

FAQ’s

At Hafeman’s Heating & Cooling, our “Why” is our family and our community. After seven years in the HVAC industry, Tanner Hafeman opened Hafeman’s Heating & Cooling in September 2024. He wanted to create something special for his family, which included his wife, Morgan, and their son. Tanner is passionate about providing friendly, responsive customer service and high-quality HVAC equipment and services at an affordable price.

Our crew appreciates everyone who entrusted their heating and cooling needs to our family-owned start-up company. We also thank our customers for their 5-Star reviews. We racked up nearly 100 5-Star reviews in our first year.

If you’re due for a furnace tune-up or have other heating or cooling needs in Green Bay or the Fox Cities, don’t hesitate to reach out. We’d love to take care of you! Call or text us today.

Yes. Hafeman’s Heating & Cooling, of Green Bay, offers heating and air conditioning installation, service, maintenance, and repair for residential and light commercial customers.

Hafeman’s Heating & Cooling serves customers in the Fox Valley, Green Bay, and Northeast Wisconsin. Our HVAC technicians travel to homes and businesses in Ashwaubenon, De Pere, Howard Suamico, Allouez, Bellevue, Neenah, Menasha, Appleton and the surrounding communities.

Yes. Our HVAC company offers comprehensive heating and cooling installation services for new construction, using Century equipment.

Hafeman’s Heating & Cooling can handle HVAC installation, service, and repair for an entire house or light commercial building. We also accept smaller projects like residential HVAC duct cleaning, furnace tune-ups, and heat pump repair. Just ask!

For preventative HVAC maintenance, Hafeman’s Heating & Cooling recommends an easy-to-follow HVAC maintenance plan. Homes and businesses should replace their furnace filters at least every three months. In addition, they should schedule seasonal HVAC maintenance in the spring for an AC tune-up and in the fall for a furnace tune-up.

At Hafeman’s Heating & Cooling, certified HVAC technicians take a multi-step approach to heating system installation.

  • Remove the old boiler, furnace or heat pump, if necessary
  • Install a new Century furnace
  • Connect the essential plumbing, gas, electrical, and flue lines
  • Configure the thermostat controls and heating zone controls
  • Test for a properly functioning boiler or furnace
  • Meet all safety codes to ensure safe operation

We Handle Cooling System Repairs & Complete AC Servicing


Hafeman's

Heating & Cooling, LLC

Green Bay, WI and surrounding areas
Wisconsin HVAC License #: 585


Our Hours

Mon - Sun
12:00 am - 11:59 pm
24-Hour Emergency Service

Mobile Phone: (920) 329-2117
Alternate Phone: (906) 497-5773


© 2026 By Hafeman's Heating & Cooling, LLC. All Rights Reserved.