Continuing a Tradition of Exceptional Heating and Cooling Services
What began in a garage in 1962—with Gordon and John Cole’s commitment to offering honest, high-quality HVAC service—continues today at Interstate Heating Co. in Sussex, WI. We’ve grown to offer the latest heating, cooling, and air quality products, and our service area now covers all of southeastern Wisconsin. We are three generations strong and still follow the most basic rule of business: we treat our customers the way we want to be treated. We know that comfort is a big part of what makes a house a home, so we make it easier to create and care for an ideal environment.
Interstate Heating Co. provides affordable heating, air conditioning, and indoor air quality solutions that fit each client’s unique needs, space, and budget. Benefits of partnering with us include:
- Experience—We’ve installed over 20,000 heating and cooling systems in southeastern Wisconsin.
- Expertise—Our lead installers and technicians have been with us for 15 years or longer, and all receive ongoing training and recertification.
- Comprehensive solutions—Beyond basic service, we fabricate custom ductwork, install in-floor radiant heating, and design complex systems for homes and businesses.
- Ongoing service—We provide maintenance and repairs that maintain a reliable and efficient system for longer.
- Guaranteed satisfaction—Interstate Heating Co. promises and delivers the best, so if something isn’t right, count on us to fix it fast. We back your system, the installation, and our service with a 100 percent satisfaction guarantee.
As one of Wisconsin’s leading Carrier® dealers, we provide equipment of the highest caliber and adhere to stringent standards for customer service. From the very first phone call through precise installation and follow-up, Interstate Heating Co. guarantees a great experience. Start today with a free consultation and get comfortable!
Price Match Guarantee
Got a quote from another HVAC company and wondering if it’s a good one? Contact Interstate Heating Co., Southeast Wisconsin’s HVAC experts. We believe homeowners deserve honest pricing and confidence when making a major comfort investment.
Not only will we perform an on-site review of the HVAC work you need done, but we will also match qualifying competitor quotes. That way, you get a great deal and fair pricing, plus the trusted service and quality workmanship that Interstate has been known for since 1962.
Didn’t get a competitor’s quote? No worries! At Interstate, we always put our best foot forward with competitive pricing and superior service! Call 262-246-4772 or request a quote online today.
How It Works
1. Provide a written competitor quote.
2. Our sales team will perform an on-site review of the equipment, scope of work, and installation details.
3. If the quote reflects comparable equipment and properly recommended work, we’ll match the price!
Price Match Disclaimer
Price Match Guarantee applies only to comparable systems, equipment, and scope of work. Interstate Heating Co., Inc. reserves the right to deny price matching on estimates that are incomplete, inaccurate, improperly scoped, or based on misquoted equipment, labor, or installation requirements. Price matching does not necessarily mean a lower price. Additional restrictions may apply. Contact us for full details.