Service in Germantown

Interstate Heating Offers Furnace and Air Conditioner Repair Service in Germantown

When your furnace breaks down or your air conditioner acts up, you need a trusted comfort provider you can call on. For Germantown residents, that’s the team at Interstate Heating. Our expert technicians deliver on-call 24-hour emergency service and can be there in a hurry when things go wrong. And of course you can count on us for routine service as well, like brand-new installations and annual maintenance. After more than 55 years in business and over 20,000 system installations, our service and experience stand out from the competition. Call 262-246-4772 to schedule your appointment today or fill out our form.

We Install Air Conditioners, Heat Pumps, and Ductless Systems in Germantown Homes

When Germantown homeowners can’t get comfortable on hot summer days, it usually means their cooling system needs a helping hand. We’ll do a thorough inspection and fix any problems we find—usually on the spot. But if routine service or a small repair isn’t enough, it’s time for a new system. Good HVAC providers won’t just tell you to install a new air conditioner—they’ll listen to your needs and recommend a tailored solution. Sometimes this includes a heat pump—which cools your home in summer and warms it in winter—or a ductless system and zoning which provide concentrated cooling exactly where you need it. Leave your cooling needs to our pros, who guarantee your satisfaction 100 percent.

Clean, Ideal Indoor Air Is a Big Deal

Part of taking great care of our Germantown customers includes making sure their indoor air quality (IAQ) is clean and healthy. Poor IAQ can affect how comfortable you feel in your home and lead to health issues in certain situations (i.e. high levels of pollutants can cause headaches and overly humid or dry air can aggravate asthma). If we notice an air quality issue, we may recommend one of the following products:

  • Humidifiers
  • Dehumidifiers
  • Air purifiers
  • UV lights
  • Ventilators
  • Air filters

Leave your air quality to us and we’ll make sure it’s the best it can be, so you can be your best, too.

We’re a Germantown Favorite for Furnace Repairs and Maintenance

At Interstate, we know you want your furnace to last as long as possible, without having to spend a lot of money on repairs and maintenance—and especially, an early replacement. Luckily, our affordable maintenance agreement is the perfect solution. We’ll visit annually to inspect, clean, and adjust your system to make sure it’s in tip-top condition and ready to keep you warm whenever temperatures drop. These appointments are also an opportunity to find minor problems that need repair before they get worse and more expensive. If you’d like to learn more about our maintenance agreements, just call or contact us today.

Boilers Are a Popular Heating Source in Germantown Homes

Furnaces tend to be the most common heating source in homes—but boilers are gaining popularity. In fact, more and more homeowners are opting for this system over a furnace because it:

  • Is less drying than forced-air furnaces
  • Operates quietly with no air movement
  • Promotes healthier indoor air quality
  • Can be paired with radiant heating for floors that are warm to the touch

While some HVAC providers shy away from advanced hydronic heating systems, we are all in. We perform boiler installations in both existing and new construction homes—and offer the maintenance and repair services you need to keep things running smoothly for years to come.

Directions from Germantown to Our Location

To get to our heating and cooling company from Germantown, drive west on Main Street, turn left onto Western Avenue, and then turn right onto Mequon Road. Continue for a mile and stay straight as Mequon Road turns into Lannon Road. Use the right two lanes and turn slightly right to stay on Lannon Road. Then at the roundabout, continue straight to stay on Lannon Road for one more mile. Turn right onto County Line Road, follow for 5 miles, and then take the third exit at the roundabout to continue onto WI-164 South. Take a final left onto South Corporate Circle and you will see our location on the left-hand side.

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N53 W24950 S. Corporate Circle
Sussex, WI 53089

Phone: 262.246.4772
Fax: 262.246.0296


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