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Winter Thermostat Settings – What is Best for the Midwest?

The debate rages on at cocktail parties and family gatherings. There are some who have an extreme view to the right and those who would prefer people lean left when it comes to the subject. One thing we can all agree on is that in Crystal Lake and the Northwest...

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What to Know When Calling for Emergency Furnace Repair

It's a frigid day in January and you wake up in your Crystal Lake or McHenry County, IL home. Your house is much cooler than normal and as you wake up you realize it is actually really cold. Your first thought is that you have a furnace issue and you need to call an...

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10 Tips to Save on Illinois Energy Costs this Winter

Odds are you and your neighbors are looking for ways to save on heating costs this winter. You'll be glad to know you can cut Illinois energy costs without expensive remodeling or the purchase of brand new HVAC equipment. Here are some relatively simple, low-cost ways...

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6 Furnace Replacement Signs

At Althoff Industries, our HVAC professionals are trained to do everything possible to keep your HVAC system operating efficiently and most of all, safely. There are points, however, when even a well-maintained furnace may need replacing. Here are 6 furnace...

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Why These 3 Things are Important to HVAC Combustion

You don't have to be a mechanic to own or operate a vehicle. Some knowledge, however, can be valuable when encountering an issue or even when purchasing a car. Likewise, you don't have to be an HVAC technician to own a home with a furnace but having some basic...

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How to Choose the Right Air Filter for Your HVAC Equipment

If you find yourself having to set your thermostat at unusually high or low temperatures just to stay comfortable, your problem may be poor air flow. Poor air flow may be caused by too much friction in your HVAC system or too much turbulence. One of the most...

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3 Essential HVAC Tools that Provide Accurate Diagnostics

At Althoff Industries, our priority is not only hiring and training talented technicians but equipping them with the highest quality tools to get the job done accurately. We ensure our technicians are not only well-trained and proficient in HVAC repair and...

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Northwest Herald 2013 Readers Choice Award

Winner of: The Northwest Herald 2013 Readers Choice Award for The Best Heating and Air Conditioning and One of the Best in Plumbing Services.

2013 Carrier Presidentʼs Award

Winner of: The 2013 Carrier Presidentʼs Award for dealers who exemplify leadership and management, customer satisfaction, expertise, business growth and operational excellence.