Special Offers

Save on Home Comfort With Product Discounts and Service Coupons From Interstate

Heating, cooling, and indoor air quality systems are big investments, but that doesn’t mean you have to overspend to stay comfortable. At Interstate Heating, we believe we have a responsibility to help customers understand their options and make decisions that make sense—for their home, life, and budget. This is why we share manufacturer’s rebates and incentives, and offer service specials and maintenance agreements to help you save. Check back often for new promotions like those below:

Get a Carrier® LBP Humidifier for $395

Call for details. Offer ends soon.

$10 Off Next Service Call or Tune-up

Call for details. Offer ends soon.

Schedule a Consultation

Service Area

Fast, dependable service for Waukesha, Washington, Ozaukee, and Milwaukee counties and beyond.

N53 W24950 S. Corporate Circle
Sussex, WI 53089

Phone: 262.246.4772
Fax: 262.246.0296

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