Mark’s Heating & Cooling, Inc.
3530 N. Riverline Drive
Oconomowoc, WI 53066
Professional Friendly SERVICE


With over 25 years of field experience & service covering Southeastern Wisconsin Mark's Heating is committed to bringing you professional, friendly service.

If you need a new heating and cooling system, you've come to the right place. Mark's Heating will install a new Heil furnace or air conditioner, service your existing furnace, air conditioner or water heater, or perform preventative maintenance, based on your needs, to help improve the current energy efficiency of your home system.

Marks Heating offers a complete sales, service and installation and is proud to be NATE Certified. We carry a full line of quality heating & air conditioning products, servicing southeastern Wisconsin.

Please contact or call us today for a FREE estimate for all of your heating and cooling needs.
Phone: 262.567.6829 - Fax: 262.567.8220 - Email: