​​​​​DON-MARTIN HEATING, COOLING & GEOTHERMAL  

​​Wisconsin Counties Served 
Rock County, Wisconsin
Walworth County, Wisconsin
Dane County, Wisconsin
Jefferson County, Wisconsin
Green County, 

​​​​​"wE'RE NOT COMFORTABLE Until YOU ARE"

​heating, air conditioning, Geothermal & Indoor air Quality Contractor Meeting the  needs with OVER 40 years

Our Address

​Wisconsin Cities Served

Janesville, WI   

Elkhorn, WI 
Delavan, WI 
Whitewater, WI 
Fort Atkinson, WI 
Milton, WI 
Edgerton, WI 
Macfarland, WI 
Madison, WI 
Evansville, WI 
Orfordville, WI 
Darien, WI
Beloit, WI

Lake Geneva, WI
Mukwonago, WI
East Troy, WI
Lake Mills, WI
Brodhead, WI
Monroe, WI
Deerfield, WI
Oregon, WI

Evansville, WI 
Albany, WI
Juda, WI 
New Glarus, WI
Jefferson, WI
Johnson Creek, WI
Stoughton, WI
Cambridge, WI
Walworth, WI​

Illinois Cities Served

Durand, IL
Harvard, IL
Poplar Grove, IL
Capron, IL
Shirland, IL

South Beloit, IL
Capron, IL
Rockton, IL
Roscoe, IL

Contact Us 

Don- Martin Heating, Cooling & Geothermal Inc

3500 N Newville Rd

Janesville, WI 53545 us

Phone: 608.758.9882

E-mail: clay@don-martinhvac.com