Welcome to Interstate Heating Co., Inc.

At Interstate Heating Co., Inc., we are committed to providing expert heating and cooling solutions to homes and businesses in Sussex, WI, and surrounding areas. With years of industry experience, our team is dedicated to delivering top-notch services that keep you comfortable year-round. From heating installations and air conditioning repairs to custom HVAC fabrication, we do it all—fully licensed and insured for your peace of mind.

Comprehensive Heating & Cooling Services

Our range of services at Interstate Heating Co., Inc. includes:

• Furnace Repair & Installation: Whether your furnace needs a quick repair or a complete replacement, our technicians provide reliable and efficient solutions. Our furnace services ensure your home stays warm during those cold Wisconsin winters.
• Air Conditioning Service: Stay cool all summer long with our professional air conditioning installation, repair, and maintenance services. We handle everything from routine tune-ups to emergency repairs to keep your system running smoothly.
• HVAC Maintenance: Regular maintenance is key to the longevity of your HVAC system. Join our maintenance program and receive exclusive benefits, including discounts on repairs and priority service.
• Custom Fabrication: We specialize in custom sheet metal fabrication to create tailor-made HVAC systems that perfectly fit your space and meet your needs.
• Indoor Air Quality Solutions: We offer a range of products and services designed to improve the air quality in your home or office, from air purifiers to duct cleaning.

Why Choose Us?

At Interstate Heating Co., Inc., customer satisfaction is our top priority. Here’s why homeowners and businesses trust us:

• Fully Licensed & Insured: Rest easy knowing that our team is fully licensed and insured, ensuring that every job is completed safely and to the highest standards.
• Experienced Technicians: Our technicians are highly trained and experienced in handling all types of HVAC systems, no matter the make or model.
• Maintenance Program: Join our maintenance program to keep your HVAC system in top shape year-round. Members enjoy discounts on repairs and other exclusive benefits.
• Custom Fabrication: With our custom sheet metal fabrication services, we can design HVAC systems that are perfectly tailored to your home or business.
• Financing Options Available: We understand that HVAC repairs and installations can be costly. That’s why we offer financing options, including 0% interest for qualified customers.

Special Offers

We are always looking for ways to make your experience with us even better. Take advantage of our special offers:

• Referral Program: Refer a friend and receive discounts on future services.
• Rebates: Ask us about available rebates for energy-efficient HVAC system installations.
• Financing Options: We offer 0% interest financing for qualified customers. Contact us to learn more!

Schedule Your Service Today

Don’t wait until your heating or cooling system breaks down. Contact Interstate Heating Co., Inc. today to schedule your service. Our friendly team is ready to answer any questions and ensure that your home stays comfortable, no matter the season.