Cashton, WI
(608) 654-5522
Sparta, WI
(608) 269-1500
Tomah, WI
(608) 374-5500
Westby, WI
(608) 634-7333
Chaseburg, WI
(608) 483-2196

About Flock's

Meet our employees!

Wow! Everybody together at one time.  In front Kneeling:Bill Flock, Mark Flock 2nd row: Tony Flock, Jeanie Willger, Dan Flock, Curt Schlaver, Melanie Kiel  Back Row: John Flock, Adam Myers,  Dakota Karper, Tim Flock, Jeff Peterson, Travis Downing, Tony Bennet, Doug Haugh and  Bill Tucker.

Flock’s Heating and Air Conditioning, Inc. is an award winning family owned and operated business that has been serving Wisconsin for over 55 years. Located near Cashton, Wisconsin, Flock’s Heating & Air Conditioning, Inc. provides outstanding design,  installation, and  service throughout west central Wisconsin.


Flock’s Heating and Air Conditioning, Inc. was founded in 1960 as Flock’s Sheet Metal by Clarence Flock. Sylvester & Ramona Flock bought the business from Clarence in 1970. Two of their sons, Mark and Anthony (Tony) bought the business in 1985 from Sylvester and Ramona. In 1998 a third son, William (Bill) became a partner. In 2002 the name was changed to Flock’s Heating & Air Conditioning, Inc. to better reflect the nature of the business. In 2008 Flock’s Heating & Air Conditioning, Inc. was recognized as the ClimateMaster “Wisconsin Geothermal Contractor of the Year”.  In 2013, Mark Flock was elected President of the Wisconsin Geothermal Association (WGA), the unified, professional consortium (non-profit) of contractors, manufacturers, design engineers, utilities, educators and others dedicated to the promotion and growth of Wisconsin’s geothermal heating and cooling industry.

Our mission is simple. To treat our customers the way we would like to be treated , while providing top quality heating and cooling services at the best prices possible.

Quality products and services offered by Flock's Heating & Air Conditioning, Inc. include:

  • Free Estimates
  • 24 Hour Emergency Service
  • Residential and Commercial Sales and Service
  • Central Air Conditioning Systems
  • High Efficiency Oil & Gas Heating Systems
  • Geothermal Ground Source Heating and Cooling Systems
  • Safety and Efficiency Tune-up Agreements
  • Central Air Conditioning Tune-ups and Cleaning
  • Gas & Oil Heating System Tune-ups and Cleaning
  • Energy Saving Programmable Thermostats
  • Whole House Humidifiers and Dehumidifiers
  • Air Exchangers
  • Gas Fired Garage Heaters
  • Air Filtration Systems
  • Extended Warranty Options on New Equipment
  • Custom Sheet Metal Work


Flock’s Heating & Air Conditioning, Inc. has recently partnered with WaterFurnace® International on Geothermal systems which are widely recognized as providing the most efficient heating and cooling solutions.

From Geothermal heating, cooling and hot water for your home or business to traditional fossil fuel systems the highly trained team at Flock’s Heating & Air Conditioning, Inc. is dedicated to providing you outstanding service to best meet your individual needs.

Copyright © 2021 Flock's Heating & Air Conditioning, Inc. All Rights Reserved.