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Keep Warm and Save Money With a Top Quality, High Efficiency Gas Furnace

When it’s time to replace your furnace, trust the experts at Althoff Industries to set up a system that works for your home and budget. We’re proud to offer Daikin furnaces that are between 80 and 90+ percent efficient, which helps save money on your heating bills without sacrificing the comfortable warmth you need.

Our HVAC technicians will install your furnace quickly and maintain it properly, so you’ll never have to worry about being left in the cold.





"Matt knows our systems and definitely knows what he is doing. We have total confidence when he leaves that everything is done correctly."

~ T.S from North Barrington, IL


"Althoff's is a very good company who always gives great service and timely service by well-trained technicians. We are delighted to do business with this company!!"

~ R.G. from Crystal Lake, IL


"The tech was on time, efficient, and extremely knowledgeable. I would definintly use this individual again, if or when I need this kind of help."

~ M.S. from Crystal Lake, IL


Let Our Customers Tell You How Great We Are

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