Nimmer Heating & Air Conditioning is a family-owned company that has been dedicated to helping Southeastern Wisconsin homeowners enjoy safe, comfortable homes for over 30 years.
From the latest in home heating and cooling comfort to maintenance plans and repairs, you can trust the experts at Nimmer to deliver top-quality affordable products and prompt professional service.
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.
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.
Maintenance Plans and Tune-Ups
An expert tune-up from Nimmer Heating & Air Conditioning can help to 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 it 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.
Nimmer Heating & Air is built on a foundation of commitment to the customer, and we have the customer testimonials, awards, and certifications to prove it. Our mission is to provide the highest quality products, people, and attitudes. Our customers’ complete satisfaction is our benchmark for success. When you want the job done right, we're the real deal.
Angie's List Super Service Award since 2003
Nimmer Heating & Air has earned the Super Service Award since 2003. The Super Service Award is earned by only the top 5% of all service providers on Angie's list.
2017 Bryant Medal of Excellence award
Nimmer Heating & Air is one of only 15 Bryant factory authorized dealers out of 4,000+ in the country to win the prestigious Medal of Excellence award.
Superior NATE CERTIFIED Technicians
Our NATE certified technicians are proven best in class for superior installation and maintenance of heating, ventilation, and air conditioning systems.
The highest BBB rating of a+
We've earned an A+ rating from the Better Business Bureau, one of the largest and most respected independent business review organizations in North America.
But don't just take our word for it. See what our customers have been saying about us: