Phone: 262.253.6900

CGS Heating & Cooling,

Our History

Providing professional HVAC services to Southeastern Wisconsin businesses owners and  homeowners since 1984, we’ve built our reputation on quality, honesty and integrity, and expertise.


Over 30 years serving Southeastern Wisconsin

Since 1984, CGS Heating & Cooling has been a family-owned company dedicated to helping Southeastern Wisconsin business owners & homeowners enjoy safe, comfortable homes and businesses. From the latest in commercial and residential  heating and cooling comfort to maintenance plans or repairs, you can trust the experts at CGS Heating & Cooling to deliver top-quality affordable products, with prompt and friendly service.

Experts in the hvac industry

CGS Heating & Cooling strives to continually train and learn the latest in the HVAC field. With over 30 years of continued experience and growth, our team is second to none. We are fully equipped to handle the toughest heating or air conditioning problem.


When you call CGS, you get true heating and cooling experts who not only know heating and air but customer service. We handle each job with the accuracy and dependability that you would expect from a decades old company with experience all across Southeastern Wisconsin handling the most complex jobs.


our service pledge

We pledge to service our customers with the most advanced knowledge and equipment available in the HVAC industry and conduct ourselves with honesty and the highest ethical standards and practices in our industry. We strive to do the best possible job for each client the first time we come to their home or business and make their experience the best possible.

our work is guaranteed

At CGS Heating & Cooling we guarantee our work. We offer a 2 year limited labor warranty. For details contact one of our service professionals. We stand by our work-- We Guarantee It!



Change your air filters monthly. A dirty filter restricts airflow and can increase the operating cost of your furnace and A/C by as much as 10%

Our Affiliations


CGS Heating & Cooling

W188N11927 Maple Road

Unit 15

Germantown, WI 53022

phone: 262-253-6900

fax: 262-251-0334

Areas we proudly serve in Wisconsin are:

Milwaukee, Waukesha, Ozaukee, and Washington counties, including but not limited to:

Bayside| Bay View| Belgium| Big Bend| Brookfield| Brown Deer| Butler| Caledonia| Cedarburg| Chenequa| Colgate| Cudahy| Delafield| Dousman| Elm Grove| Fox Point| Franklin| Fredonia| Genesee| Germantown| Glendale| Grafton| Greendale| Greenfield| Hales Corners| Hartford| Hartland| Hubertus| Jackson| Lannon| Menomonee Falls| Mequon-Theinsville| Muskego| Mukwonago| Nashotah| Newburg| New Berlin| Oak Creek| Oconomowoc| Pewaukee| Port Washington| Racine| Richfield| River Hills| Saukville| Sheboygan| St. Francis| Shorewood| Slinger| South Milwaukee| Summit| Sussex| Waterford| Waukesha| Wauwatosa| West Allis| West Bend| Whitefish Bay| and more.