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Heating and Cooling Services in Lake Forest, IL

Lake Forest homes deserve reliable comfort, and our heating and cooling company delivers just that with full-service heating and cooling, water heater, and air quality solutions. Serving Lake County since 1936.
Call (847) 383-0350 →

Don’t Wait Till Monday — We’re Open on Sunday. | Flat $99 service call — same price at 2am Sunday as noon Tuesday.

Our Lake Forest Heating and Cooling Services

Air Conditioning
Installation, repair & maintenance
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Heating Systems
Furnaces, boilers & heat pumps
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Water Heaters
Traditional & tankless options
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Indoor Air Quality
Duct cleaning, filtration, humidifiers & UV lights
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Ductless Mini-Splits
Perfect for additions & renovations
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Emergency Repairs
No extra charge, any day or time
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EXPERIENCE THE KERN DIFFERENCE

Why Lake Forest
Chooses Kern

Flat-Rate Pricing — Always
One price, any time of day or night. No surprise charges for after-hours or weekend calls — ever.
We're Open on Sunday
Most companies aren't. We are — at the exact same rate as any other day of the week.
95% Fixed Same Visit
Every truck is a rolling warehouse. We carry the parts to resolve most issues on the spot.
Industry-Leading Warranties
100% satisfaction guaranteed. Flexible coverage with extended warranty options.
Call (847) 383-0350 →

4.7 STAR RATING ON GOOGLE

What Your Neighbors are Saying

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Some of the Brands We Service

We service quality brands and systems.

Serving All of Lake County

Same flat rate, same guarantees, any community in our service area — any day, any time.

Call (847) 383-0350 →