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June 13, 2018 Heating

The Difference Between Commercial and Residential HVAC Services for your Chicago Property

Do you know the differences between residential HVAC and commercial HVAC? Knowing the differences can help you choose the right contractor for...

May 14, 2018 Plumbing

Why Does My Heater Make a Screeching Sound?

“Do you know how old your sump pump is?” I love to ask people this when I get the chance. Unless they...

February 12, 2018 Heating

How to Keep Your Household Safe from Furnace Carbon Monoxide Poisoning

Most of us view our homes as inanimate objects, constructed of wood, bricks, steel, glass, and roofing materials. Few look at our...

February 6, 2018 Heating

3 Most Common Winter Furnace Repairs

During winter’s blast, our furnaces work overtime to keep us comfortable without much regard to age or condition. Eventually, the weakest link...

January 31, 2018 Heating

HVAC Installation Day: 6 Steps our Team Takes to Ensure Success

HVAC installation day for your new HVAC system is an exciting time for our team at Althoff Industries. While we try to...

January 24, 2018 Indoor Air Quality

Whole House Humidifier Pros vs. Cons

Many view home heating from a pretty straight-forward standpoint. If they are comfortable, their thermostat is set correctly. If they are not...

January 10, 2018 Heating

What To Do Before Calling for Emergency Furnace Repair

It’s a frigid winter day and you wake up to a cold house. You soon discover that the heater isn’t working! Your...

January 3, 2018 Heating

Althoff HVAC Trucks: Fully Stocked to Finish Residential Service Jobs

Those who live and work in the Crystal Lake, Northwest Chicago area, and its suburbs have likely seen our Althoff Industries service...

December 27, 2017 Heating

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...

What Are Other Homeowners Saying?

I just wanted to thank you for the great service we received over the past few days in repairing our furnace.

Mark Stephenson

4.8

on 1094 reviews

Serving Chicago's Suburbs

We proudly serve homeowners throughout the following areas, delivering
reliable, high-quality service wherever you need us.

Let’s get your project
started today!

We offer whole-home solutions, not just quick fixes.

Membership Call 815-455-7000

Get The Next Tech!

Call Us 815-455-7000

Main Office

Althoff Home Services

8001 S Illinois Rte 31
Crystal Lake, IL 60014

Get Directions 815-455-7000

Branch Office

Althoff Home Services

4152 May St Suite B
Hillside, IL 60162

Get Directions 630-216-4186

Office Hours

Office Hours: Mon-Fri
7AM - 5PM

24/7 Emergency Service
Available

Chicago Plumbing License
#BC197554