- Under floor heating

- Wall heating systems
- Radiant ceiling panels

- Concrete Floors

​- Zoned Room Control

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

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

-Economical

- No Carbon Monoxide

- Clean & Quiet

- Low Maintenance

- ​Incentives

​​​​​"Clay and his staff are “top-notch” responding to all our needs and requests.  They continue to work through situations eliminating any concerns and meeting all expectations." read more ...


"We actual kept the house 2 degrees warmer in the winter and 3 degrees cooler in the summer then we did with our old system, so the savings could be even greater than this." read more ...

- Free in-home estimates

- Options and Solutions

- Well-trained and Courteous

- Professional installation will

  get the job done right.

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




- Replacing or adding air conditioning?             

- Ask about Ductless Cooling


Free Pro 1 Digital Thermostat

with Purchase of a New Furnace and Air Conditioning Unit

- Upgrade to 95% ​Efficiency

- Replace Existing System

- Incentives for Upgrades

- Indirect Water Heating

- Combination Boiler/Hot

   Water Heating

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

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