What Is an Air Handler? Service Man Working on Furnace.

What Is an Air Handler?

May 30, 2025

The same goes for a heat pump. The outdoor unit might be in perfect working condition. Still, the heating and cooling process stops without an indoor evaporator coil, connecting refrigerant lines, and a fan to blow conditioned air through ductwork.

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What’s That Smell Coming From My AC at Startup?

What’s That Smell Coming From My AC at Startup?

May 15, 2025

As the temperatures begin to rise in Mequon, many homeowners are firing up their air conditioners for the first time in months. But what if, instead of a refreshing blast of cool air, you’re hit with an unpleasant smell?

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Woman opening the windows at home and enjoying some fresh air.

Spring AC Maintenance Tips

April 15, 2025

From replacing air filters to scheduling maintenance, cleaning your cooling system can prevent breakdowns and keep your home comfortable.

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Why Is My AC Blowing Hot Air? Couple trying to refresh during summer heat wave.

Why Is My AC Blowing Hot Air?

March 31, 2025

It’s a hot day outdoors, and you are inside your Sussex home waiting for your air conditioning (AC) system to kick into full gear.

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HVAC technician performing maintenance on a heat pump.

4 Important Heat Pump Tips

March 15, 2025

You could save up to 30 percent on your energy bill when you perform maintenance that support ideal system efficiency, according to the IAQA.

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HVAC technician performing maintenance on a furnace.

Why Is My Furnace Leaking Water?

February 28, 2025

Just so you are aware, the worst-case scenario is a faulty furnace secondary heat exchanger, but it is only for high-efficiency furnaces.

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The Basics of Winter Indoor Air Quality

The Basics of Winter Indoor Air Quality

February 15, 2025

In the winter, being snug as a bug in a rug in your home can be cozy, but it can also play havoc with your indoor air quality (IAQ) here in Wisconsin, creating some significant health problems. At Interstate Heating Co Inc, we recommend taking precautions to avoid the common issues associated with winter indoor air quality.

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Why Is the Furnace Pilot Light Going Out?

Why Is the Furnace Pilot Light Going Out?

January 31, 2025

If you ever hear your gas furnace turn on but cannot feel any warm air blowing from the vents inside your Wisconsin home, chances are the pilot light went out.

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young woman hugging her cat in front of the window.

What Is a Heat Pump?

January 17, 2025

Heat pumps are very efficient, using up to 50 percent less energy than furnaces or baseboard heaters, according to the US DOE.

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4 Factors to Consider When Buying a Heat Pump. Professional Middle Aged HVAC Technician in Red Uniform Repairing Modern Heat Pump Unit. House Heating and Cooling System Theme.

4 Factors to Consider When Buying a Heat Pump

December 31, 2024

So you are looking to invest in a heat pump. You are not alone––many Americans are making the switch.

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Need HVAC Service?

Contact the experts at Interstate Heating Co..

Call us at 262-246-4772!