Virtual Consultations Are Now Available
To help do our part to “flatten the curve” in response to COVID-19, Interstate Heating is offering virtual consultations for your home comfort needs. If you’re thinking about replacing your furnace or air conditioner and need an expert opinion, call us today at 262-246-4772 or contact us online to set up a virtual visit—we’re here for you.
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Important Health & Safety Update
Interstate Heating is committed to your health and comfort at home, now more than ever. We have adopted new health and policy standards to keep you safe during service calls. Our techs use protective gear such as masks, show covers, and rubber gloves on every job. Additionally, if you or someone in your house isn’t feeling well, let us know. We’ll work with you to get you the heating and cooling service you need. Call us anytime with questions: 262-246-4772.
Secure Your Health With a Whole-Home Air Purifier
With health concerns growing every day, homeowners are searching for ways to keep their families safe. A whole-home air purification system from SecureAire® could be the answer you’re looking for—these units can capture, inactivate, and kill up to 99 percent of pathogens floating around your house, including viruses, bacteria, and mold.
Want to learn more? Follow the link below to discover how a SecureAire purifier can help keep your home safe and comfortable.
Team Members with 15+ Years Experience
HVAC SYSTEMS INSTALLED MONTHLY
AIR FILTERS REPLACED ANNUALLY
HAPPY & LOYAL CUSTOMERS
We Earn Our Reputation for Heating and Cooling Excellence on Every Job
There’s a reason Interstate Heating is the HVAC company home builders and homeowners trust for comfort without compromise. For over 55 years, we’ve offered straight-forward service and a full range of heating, cooling, and indoor air quality options by expert technicians. We know exactly how to make you comfortable, and go above and beyond what many others are capable of. From designing custom ductwork and complex systems to installing radiant systems and smart controls, we can work with any space, need, or budget.
New Construction HVAC Installations Are Our Specialty
With over 20,000 new boiler, furnace, air conditioner, and air quality system installations to our name, trust that we are prepared for any challenge. And as one of the largest Carrier® dealers in Wisconsin, we provide excellent pricing, a strong warranty, fast delivery, and factory-trained technicians and installers to help you every step of the way—from choosing the best system for your home to providing maintenance services that help it run reliably for years to come.
Heating Services
From high-efficiency furnaces and custom ductwork to boilers and in-floor radiant heating, Interstate makes it easier to heat your home or business your way. We also offer ductless systems that can replace space heaters in hard-to-heat rooms, zoning that directs warmth where you need it most, and even garage heaters that make transitional areas or storage spaces more comfortable all year long.
Cooling Services
We specialize in central air conditioning, ductless split systems, and zoning to customize cool comfort for residential and commercial clients. We address other hot topics with dehumidifiers to make the air less muggy, dual-purpose heat pumps that heat and cool your home, and programmable or Wi-Fi thermostats so you can adjust settings whenever the weather or your plans change. in.
Indoor Air Quality Services
When air is trapped inside, it quickly collects harmful gases and particles, dust, viruses, and odors—all of which can aggravate respiratory problems, cause headaches, and make your really uncomfortable. Minimizing allergens and pollution while managing humidity levels are keys to more complete indoor comfort—we deliver results with our purifiers, humidifiers, ultraviolet lights, and more.
Heating and Cooling Comfort for Nine Counties, Whenever You Need It
Our service area is as broad as our range of HVAC services. We welcome new home construction and commercial installation projects in nine counties throughout southeastern Wisconsin, and offer maintenance and repairs as needed, by appointment or on an emergency basis. From Germantown and Menomonee Falls to Delafield and Dousman, we bring comfort home to hundreds of families every month.
24 Hour Emergency Service
If you need immediate service after hours, dial 262-246-4772 and listen for the emergency on-call number.
Promotions
Find out about current coupons, energy rebates, and cash incentives.
Ask the Experts.
There’s a reason Interstate Heating is the HVAC company home builders and homeowners trust for comfort without compromise. For over 55 years, we’ve had answers to all your heating, cooling, and indoor air quality questions—click below to read our responses to the ones we’re asked most often. If you don’t find your answer here, just call us—we’re also known for providing straight-forward advice to help you feel comfortable—in your home and with us.
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