“I brought Rosati’s Pizza to this area back in 1998. When I hired Pat’s Heating do work for me and I knew when I expanded my business to it’s current location that there was no one else I would use for my Heating and Air conditioning needs.

Restaurants place demanding expectations on their service people because their livelihood depends on it. Pat’s delivers every time with knowledgeable staff and technicians.

Rosati’s have used them for everything from installation to routine or emergency service calls. I’ve also had them install and service my home units and always receive courteous, reliable service. It starts with Pat himself and filters down through Shaun and Barb in the main office. I can’t say enough about all the techs I’ve had over the years, especially Mark.

It’s easy to see why they are one of the top rated HVAC businesses in the state. I would give them my highest recommendation for any HVAC job that needs to be done.”

Mark, Oconomowoc






“We had such a great experience from our first call to the installation, to the follow-up after. Communication with Mary and Shaun was great. Our “hard to impress” teenage daughters were so impressed with the installers! We will recommend your company to friends and neighbors.”

Sheila, Hartland






“Where do I start? … Professional, knowledgeable, prompt, excellent communication skills, excellent service, excellent workmanship, clean and respectful all describe Justin, Don, Kevin, Barb and Mary. Every member of the team was outstanding at their job and worked well together. Our situation, options, and products were gone over thoroughly. We felt 100% confident with our team from Pat’s.

There was no doubt, we felt like valued customers. You treated us like family. You rectified a bad situation with the utmost care and concern for our family. We love our new furnace and can tell a difference. We will be sure to spread your company’s great name and work. Thank you!”

Keith & Mary, Oconomowoc






“I work with many contractors as part of my profession. Pat’s is definitely a top notch contractor. Your crew from service, office, to installers has a good team approach.”

Carl, Oconomowoc






“We have always been impressed with your company and the high standards of all your employees. Thank you for the prompt and outstanding service.”

Janice, Waukesha






“On-time, extremely neat removal and installation. From sales to installation to financing assistance to special assistance and service with scheduling, we are very happy with Pat’s Heating & Air Conditioning.”

Tony, Mukwonago






“We have been customers of Pat’s for years now. Every year our mechanicals were cared for by your people. When we needed our furnace replaced – you came to our rescue the same day! You never disappoint! Thank you!”

Dianna, Delafield






“We love you guys! Everyone is always so nice and knowledgeable. We feel we get a fair price and never taken advantage of.”

Dale & Lynn, Hartford






“Great service and very friendly. We enjoyed working with everyone!”

Angela, Nashotah