Nimmer Heating and Air Conditioning Unit


The NATE certified technicians at Nimmer Heating & Air Conditioning repair and service all brands of heating and cooling equipment. Need to fix your A/C in the middle of a summer heat wave? We’ve got you covered. Need an emergency furnace or boiler repair on a cold Wisconsin winter day? We’ve got you covered there too. Rain, snow, or shine, we’re available 24 hours a day, 7 days a week to keep your HVAC system running efficiently year-round. Contact us today!


Are you considering the installation of a new A/C system, furnace, boiler, or whole-house humidifier to make your home more comfortable? We provide free, professional in-home estimates on best-in-class furnaces, boilers, and air conditioning systems, all with expert installation and unsurpassed workmanship. Our expertise, experience, and thorough analysis will ensure that our tailor-made solutions are the perfect fit for your project. Whether you live in an older or newer home, or you’re looking to install a brand-new HVAC system or upgrade an existing one, you can count on Nimmer to get the job done right.


An expert tune-up from Nimmer Heating & Air Conditioning will keep your heating and cooling system running at optimum performance, saving you money throughout the year by increasing your system’s efficiency. Regular maintenance provides longer life expectancy for your equipment, and  drastically reduces the chances of avoidable breakdowns. We offer a variety of maintenance plans and tune-up services to ensure that your system continues to operate safely and reliably for years to come.