A Trusted Name in the Chicago Suburbs Since 1961

Hand It Off to Althoff

When your home’s critical systems fail, you need more than a quick fix. You need a partner who understands the complex engineering of your home. At Althoff Home Services, we provide expert heating, cooling, plumbing, and electrical solutions tailored specifically for homeowners in Crystal Lake, Hillside, and the surrounding areas.

Book Appointment Customer Portal

Cooling

Heating

Indoor Air Quality

Electrical

Plumbing

Questions? Contact Us Today!

Call Us 815-201-5676 Book Online Today

Emergency? Fast Pass Gets You There Faster!

When urgent issues arise and you need immediate assistance, Fast Pass provides our highest level of priority service. Available exclusively to our White Glove Club members, the Fast Pass allows you to bypass the standard scheduling queue and send the next available licensed technician straight to your door.

Call 815-200-4457 to request Fast Pass dispatch.

Call Us 815-200-4457

What Are Other Homeowners Saying?

Excellent

Althoff Home Services4.8

Based on 1085 reviews

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Jim Marks

2 days ago

Very good explanation of what needs more immediate attention if anything, or what could wait.

David Efken

2 days ago

Edwin Beltran was outstanding! Very knowledgeable, professional, cheerful, patient, welcomed questions and provided very easy-to-understand, thorough responses. Completed the repair work very quickly but certainly did not rush. I will request him for all future needs. You're in great hands with Edwin! - David Efken, Algonquin, IL

Becki Parsons

2 days ago

Todd was very nice and knew what he was talking about. Suggested things we can do. He was very pleasant to talk to and we would love to request him every time we to service our home. 5 stars and more!!!!

Steve Slater

7 days ago

Would highly recommend Althoff for your electrical needs. Our tech. Scott was friendly, efficient and professional. He explained exactly what he was doing and the need for safety repairs to our electrical panel. Great job!!

Susan Richardson

3 weeks ago

I had a very nice young man for my technician. He checked and cleaned everything and told me all was well. Of course that made me happy. The technician was here to clean and check my heating system for the winter

Fred Ichinose

4 weeks ago

Super responsive, communicative, informative, friendly, competitive and got the job done well. Highly recommended.

4 weeks ago

We are so pleased with the work Victor and Braden did-- professional, friendly, fast, and with great explanations. We could not be happier with their work, as we always are with your company's work. The Daikin unit is working perfectly, keeping our open concept kitchen, family room, music room, and dining room a uniform, warm temperature. THANKS!!!

Mike Weber

4 weeks ago

Very efficiently did the maintenance. Couldn’t have asked for more. Very satisfied as usual.

Richard Elke

1 month ago

Scott was very professional. He explained all of our options and costs. He inspected our sub pump.

Renee Diak-Witek

1 month ago

Very friendly and knowledgeable about anything I needed to know.

Steve Kolasa

1 month ago

Quality service and work !!! Clean and very informative about our AC and Furnace !!! Alex did a fantastic job !!!!

Catherine A

1 month ago

Scott was prompt, very pleasant and did a great job!

Gwen

1 month ago

Extremely pleased with this company and the employees I dealt with so far.

Lynn Mitchell Coaching

1 month ago

excellent service - professional and friendly. Andres was the best!

Daniel Bochneak

1 month ago

Regular interval preventive maintenance check-ups performed by a Althoff's HVAC professional assures that our HVAC system is safe and functioning with the level of efficiency necessary to maintain our household comfort and safety. We have used Althoff Home Services for several years and have always been extremely satisfied with their services. Our Althoff technician Scott is a trusted expert in his profession. We appreciate his diligence and attention to detail that has meaningfully contributed to our home's comfort & safety.

Jason Schumaker

1 month ago

Scott White is fantastic

Jim Andrulis

1 month ago

Althoff repairman advised me of a problem with my a/c. He gave me some options for repair and the cost estimates. They even sent another man to offer quotes for a whole system replacement. i appreciated the options with no pressure.

Greg M.

2 months ago

Thorough check and clean of Furnace and Humidifier. The contact with the office and the work performed by Justin were both done in a professional manner. Thank you.

Gary Newland

2 months ago

I appreciate the attention and professionalism. Thank you!

Mandy Bone

2 months ago

Althoff has helped us with our boiler system as well as our AC unit. They have repaired old units we had and even installed new ones when we needed. Everyone we worked with was kind, professional, and knowledgeable about the products.

Christian Newkirk

2 months ago

Had difficult bulbs to replace and find they did it a short period of time and the installation was flawless

William Merriman

2 months ago

Craig is very thorough with his work. Also very friendly and trustworthy. I would prefer he be the person you always send for the seasonal check ups.

David Schaak

2 months ago

Very good and informative worker. You could tell that he enjoyed the work.

Melissa Mikos

2 months ago

Matthew was such a pleasure to work with. He explained everything in layperson terms. Which I appreciated because I was extremely stressed out from the whole issue at hand. He gave me several different options to deal with the water damage and diagnose the source of the problem. of the leak. In conclusion, I would and will go to Altoff for all my future plumbing needs.

Ouzelfalls

2 months ago

I recently switched to Altoff Services to do my annual A/C and Heater maintenance. They came this week to do the A/C. they did a thorough job in testing my A/C's cooling efficiency. they tested refrigerant levels.They removed the outside unit's shroud and thoroughly cleaned the unit. This was the first time anyone did that. I was very happy with the work they did.

The White Glove Club

Where Exceptional Service Meets Complete Home Peace of Mind.

The best way to handle a home emergency is to prevent it. Join the White Glove Club and join thousands of families who enjoy priority status and total system protection.

Membership Benefits

Same-Day Emergency Access: Members receive priority consideration for urgent service needs.
Lifetime Warranty on Service Repairs*
Annual Maintenance Visits: Two HVAC system maintenances and one plumbing inspection each year.
Exclusive Rewards: Earn points on every dollar spent toward future home upgrades.
Discount on HVAC, plumbing, and electrical repairs

More about Memberships

Any Problem? We're Here to Help!

Call Us 815-201-5676 Book Online Today

Your Local HVAC Experts in the Chicago Suburbs

Althoff Home Services is a household name that homeowners associate with quality services, friendly technicians, and work that’s always done the way it should be. Trust needs to be earned, and we take that to heart with every service we provide.

Althoff Home Services is a premier HVAC provider in the Chicago Suburbs that mixes high-quality service with excellent customer care. We focus on providing homeowners solutions - not just quick fixes. Take advantage of our 100% customer satisfaction guarantee and give us a call today!

Here are a few reasons why our team should always be the one to call

Family-owned
Since 1961

24-hour
Emergency Service

We Provide Quotes
Before Service

100% Satisfaction
Guarantee

Don’t panic, just hand it off to Althoff!

The Althoff Way: Our Transparent Process

We believe trust is earned through clear communication and honest work. We make it easy to get your home back in order.

1. Schedule Your Service: Connect with our team by phone or schedule online at your convenience. We’ll reserve a three-hour arrival window so you can plan your day with confidence!
2. We'll Notify You on Our Way: Receive a text message when your technician is en route, including their photo, a little bit about them, and a trackable link so you can follow their arrival in real time.
3. We Begin with a Thorough Evaluation: Our technician starts with a comprehensive evaluation of your system, carefully assessing performance, safety, and overall condition before any work begins.
4. Prices Are Quoted Upfront: Following your evaluation, your technician will present a clear, detailed estimate for the recommended service. We’re committed to transparency – there are no hidden fees and no surprises. You’ll have time to review the pricing and approve the work before any service begins.
5. Get Same Day Service: When possible, we aim to complete your service during the same visit. Our technicians arrive prepared with the tools and parts needed to resolve many issues immediately, helping restore comfort to your home without delay.
6. Walk Through of Work Performed: Once the service is complete, your technician will review the work with you, explaining what was done and answering any questions. For HVAC services, you’ll also receive a brief video overview highlighting the work performed and the current condition of your system.
7. Let Us Know How We Did: Your satisfaction is important to us. After your service, we’ll follow up to ensure you’re 100% satisfied with the work performed. Your feedback also helps us continue delivering exceptional service.