Great Lakes HVAC Products

Furnaces

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Furnaces

Lennox® furnaces are some of the most efficient and quietest heating systems you can buy*. They’re engineered for perfect warmth and savings.

Comfort Controls

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Comfort Controls

Explore programmable thermostats, digital thermostats, temperature control systems, and other comfort controls from Lennox, the leader in home air conditioning.

Air Conditioners

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Air Conditioners

Exacting precision makes Lennox® air conditioners among the quietest and most energy-efficient units you can buy.

Heat Pumps

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Heat Pumps

Enjoy innovation in every season with precise, quietly efficient Lennox® heat pumps that keep your life simply perfect.

Air Handlers

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Air Handlers

Lennox® air handlers are among the most efficient and quietest you can buy.

Indoor Air Quality

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Indoor Air Quality

Indoor air quality systems including home air cleaners, air purifiers, home air filters, and more from Lennox, the leader in home air quality.

Packaged Units

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Packaged Units

Self-contained units engineered for high performance and easy installation

Boilers

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Boilers

For homes in northern regions that rely on boilers for heat, there’s no better choice than Lennox.

Garage Heaters

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Garage Heaters

With a low-profile design and a range of capacities, Lennox® garage heaters bring reliable and efficient warmth to almost any garage or workspace.

Mini-Split Systems

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Mini-Split Systems

When only certain rooms need heating and cooling, Lennox® Ductless Mini-Split heat pumps and air conditioners provide a smart, flexible solution.

Solar Ready

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Solar Ready

Solar-ready air conditioners and heat pumps can be easily combined with SunSource® modules to deliver powerful savings.

Great Lakes Building

Contact Us Now!

Having Trouble?

Check out our handy troubleshooter and see what you can do to fix your A/C problem.

How do I know if I need a Repair?

Is your AC making ominous noises? Maybe it sounds fine but isn’t cooling. Here’s a list of common air conditioning warning signs and their likely causes and fixes.

Call our office at (574) 287-5046 to set up an appointment today.

  • My Air Conditioning Won’t Turn On
  • I’m Not as Comfortable as I was Last Year
  • My Utility Bills are Abnormally High
  • The Air Coming Out of the Registers Doesn’t Feel as Cold as it Used to
  • Weird Noises During Startup and Operation
  • The AC Shuts Off Before or Long After I’m Comfortable
  • There’s a Puddle of Water Next to my Furnace
  • My AC Unit Refuses to Kick On at All
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