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Interstate Heating Co., Inc.
N53 W24950 South Corporate Circle, Sussex, WI 53089

Interstate Heating

Premier Heating and Air Conditioning

Let Interstate Heating Co., Inc. keep your home properly ventilated. Since 1962, we've been the leading heating and air conditioning sales and repair service in the Milwaukee Metro area. Don't suffer through boiling summer nights or freezing winters.

We provide 24-hour emergency service, so we can be there for you when you need us the most. Our technicians work quickly and efficiently to get the job done right, the first time. We offer a variety of heating, cooling, and air quality products from respected brands such as Carrier, Aprilaire, Unico, Second Wind, Mitsubishi, Reznor, Modine and Triangle 2.

Call now to take advantage of our free estimate offer! We look forward to speaking with you soon.

Our Services Include:

  • Air Conditioning and Heating Repair
  • Air Conditioning and Heating Sales
  • Air Conditioning and Heating Installation
  • Air Conditioning and Heating Maintenance
  • And More

Why Choose Us?

  • 55 Years in Business
  • Locally Owned and Operated
  • All Major Makes and Models
  • Financing Available
  • 100% Satisfaction Guaranteed
  • Professional and Friendly Staff
  • BBB A+ Rating
  • Carrier Factory Authorized Dealer

Decide which unit is right for you. Ask our Specialists at (262) 314-0915.