Phone: 262.253.6900


We repair all makes and models.


We offer a variety of quality products to choose from.


Maintaining your system will assure years of life.

CGS Heating & Cooling

Residential Services

All of our heating and air products are designed for the best quality, energy efficiency and reliability that you have come to expect from CGS Heating & Cooling. Let one of our expert installers help you choose the systems and products that work best for your home.

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Commercial Services

CGS Heating & Cooling has been servicing businesses for decades. We offer fast, dependable and reliable products and services for your commercial needs. Innovation is a key part of each unit we install. We also offer repair and maintenance for most all makes and models of commercial heating and air needs.

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Residential & Commercial  Services

  • Furnace & AC
  • Boilers
  • Air Filters
  • Air Exchangers
  • Water Conditioners
  • Water Heaters
  • Garage Heaters
  • Apartments & Condo AC
  • Maintenance Services

Quality Products & Services

Heating Services

Air Conditioning

Air Quality

Our Products

Save money with high efficiency heating systems. We offer installation, repair, maintenance and warranties on all products.

Save money with high efficiency cooling systems. We offer installation, repair, maintenance and warranties on all products.

Our air quality services are top notch to assure your home or business help you and those you care about to breathe easy.

We offer a wide range of quality products, warrantied for your protection. Check out just some of what we have to offer.

Commercial Unit Heaters

Our commercial unit heating systems are designed and manufactured by leaders in the industry such as Reznor, Day & Night, S&P and more. Trust CGS Heating & Cooling with your business heating needs.

Home Heating Systems

CGS Heating & Cooling treats your home like it is our own. Our skilled installation experts offer a variety of heating choices for your home and comfort.

Commercial Air Conditioning

When it comes to the comfort of your customers and your employees, let CGS Heating & Cooling install, maintain and repair your commercial air conditioning systems. We have a huge variety of product to choose from.

Home Air Conditioning

When it comes to sleeping in comfort, trust that CGS Heating & Cooling will create the perfect atmosphere with our quality air conditioning products. Ask about our great warranties!


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.