FREE Transfer Switch With Purchase of Whole Home Generator - a $2,000 Value!

Cannot be combined with any other offers. Must present coupon at time of service. Not valid on previously completed work.

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07/31/2026

$1,000 OFF Furnace & AC

Cannot be combined with any other offers. Must present coupon at time of service. Not valid on previously completed work.

Use By

07/31/2026

FREE 10 Year Parts & Tank Warranty - On qualifying tanked water heaters

Exclusions Apply.

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07/31/2026

$150 OFF Water Heaters

Cannot be combined with any other offers. Must present coupon at time of service. Not valid on previously completed work.

Use By

07/31/2026

0% Financing, $0 Down No Interest - up to 18 months

On qualifying Lennox equpment. Exclusions Apply. Pre-approval required.

Use By

07/31/2026

Up To 10 Years Parts & Labor Warranties - On qualifying heating & cooling equipment

Exclusions Apply.

Use By

07/31/2026

HVAC Tune Up Specials Oconomowoc, WI | HVAC Deals Waukesha, WI | Heating and Cooling Specials Summit, WI

Your Neighbors Love Us

Words From Around Town

We had our furnace replaced from Pat’s and they were fantastic. Very professional and today’s service techs were extremely helpful during the install with explaining the steps. Oh…loved the chocolates!...

Margaret O

After initially doing some comparison shopping, I recently made the large investment of having Pat’s install a Kohler, whole home, back-up generator. From the initial in home evaluation by Robert...

Eric M

We had an excellent experience with Pat’s Heating and Air Conditioning. They are extremely professional and gave us wonderful customer service from the moment that we called them. They were...

Judy C

Outstanding service with excellent communication. Salesman was professional and listened to our concerns and answered our questions thoroughly. We received both a phone call and emails detailing our appointment for...

Thomas D

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HVAC Tune Up Specials Oconomowoc, WI | HVAC Deals Waukesha, WI | Heating and Cooling Specials Summit, WI

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