$50 OFF Annual Generator Maintenance

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

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05/31/2026

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

Exclusions Apply.

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05/31/2026

$500 OFF Kohler Whole Home Generators

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

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05/31/2026

FREE Whole Home Dehumidifer With Purchase of Furnace & AC

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

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05/31/2026

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

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

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05/31/2026

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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05/31/2026

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

Exclusions Apply.

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05/31/2026

$89 Furnace OR AC Clean & Check

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

Use By

05/31/2026

$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

05/31/2026

$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

05/31/2026

Heating Coupons Oconomowoc, WI | HVAC Deals Waukesha, WI | AC Specials Summit, WI

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Words From Around Town

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

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

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

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

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Heating Coupons Oconomowoc, WI | HVAC Deals Waukesha, WI | AC Specials Summit, WI

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