Serving Milwaukee and its suburbs since 1925, Gross Heating & Air Conditioning offers complete sales, service and installation of furnace and heating systems to meet the unique needs of your home and lifestyle. With a wide variety of products to choose from, including high efficiency furnaces, conventional and geothermal heat pumps, and multiple types of boiler systems, we can help you customize a solution that's right for you and your budget.
Look for our selection of high-efficiency forced air furnaces, basement wall furnaces and natural gas and oil furnaces from Carrier, York and Lennox. We offer furnaces up to 98% efficient. Carrier's Infinity gas furnace with Greenspeed™ Intelligence is a customer favorite, thanks to the longer run-times, lower energy costs, and year-round humidity control associated with a high-efficiency, modulating furnace.
A heat pump is an all-in-one cooling and heating system. During the cooling season, a heat pump works like an air conditioner, transferring heat from inside your home into the outdoors. When the weather outside is cool, the process is reversed. For optimum efficiency, add a gas furnace and enjoy heating in one dual-fuel system, also known as hybrid heating, the most cost-savings system you can purchase. See us for conventional heat pumps, up to 18 SEER, and for geothermal heat pumps, which maintain the highest efficiency on the coldest winter nights as well as the hottest summer days.
The Infinity Series Heat Pump is simply the best on the market! Heat pumps are rated in SEER (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor). SEER and HSPF ratings are like the miles per gallon rating of automobiles. Higher SEER and HSPF ratings mean greater energy savings. Check out Carrier's Infinity™ Series Heat Pump for ultra high efficiency. According to Consumers Digest, the Infinity is simply the best on the market!
Ductless splits come as cooling only or as heat pump systems. They are typically used where it makes sense to have a separate system from an existing house or commercial system. Often these are additions or commercial computer rooms where we can't get ductwork from the current system into the new area. They fit a need and operate very well with some of the highest efficiency ratings in the industry! Call us for more information that is specific to your application.
Ask about our high-efficiency boiler systems up to 90% AFUE. The higher the AFUE percentage, the more energy efficient your boiler performance will be. Check out our selection of
Call us for estimates and detailed product information.

3260 N. 126th Street • Brookfield, WI 53005 • Phone: (262) 783-6000 • Fax: (262) 783-6867
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