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Central Air Conditioners

Central Air Conditioning: Whole-Home Cooling You Can Rely On

Serving Crystal Lake, Hillside & the Northwest and Western Suburbs

Since 1961, Althoff Home Services has helped homeowners stay comfortable with reliable, high-performance central air conditioning solutions. We know your home depends on consistent, efficient cooling – especially during Midwest summers. Whether you’re maintaining an existing system or upgrading to a modern, high-efficiency unit, our family-owned team is here to deliver dependable comfort you can feel in every room.

Designed for Consistent, Whole-Home Comfort

Central air conditioning provides whole-home comfort by delivering consistent, balanced cooling throughout every room. Using your home’s existing ductwork, it ensures even airflow and dependable performance – far beyond what single-room units can achieve.

Beyond cooling, your system plays an important role in managing humidity and circulating air. For enhanced comfort and cleaner indoor air, whole-home dehumidification and indoor air quality solutions can further elevate your home’s environment.

When to Schedule Central Air Conditioning Repairs

Recognizing the early signs of a problem can help you avoid a complete system breakdown during the hottest days of summer. At Althoff Home Services, we focus on identifying the root cause of an issue – not just treating the symptoms – so you can get lasting, reliable results.

You know it’s time to hand it off to Althoff when you notice:

  • Warm Air: Your system is running, but the air from your vents isn’t cool.
  • Unusual Noises: Grinding, squealing, or banging sounds from your system.
  • Short Cycling: Your air conditioner turns on and off more frequently than normal.
  • Moisture or Ice: Water leaks or ice buildup around your indoor or outdoor unit.
  • Rising Energy Bills: Your system is working harder to keep up, but delivering less comfort.

The sooner you address these signs, the easier it is to prevent costly repairs or unexpected breakdowns.

Is It Time to Upgrade Your Air Conditioning System?

While repairs can extend the life of your system, there comes a point when replacement becomes the smarter long-term investment. A modern, professionally installed system offers:

Improved Energy Efficiency

New systems are designed to use less energy while delivering better, more consistent cooling – helping reduce monthly utility costs.

Quieter Operation

Today’s equipment runs significantly quieter, creating a more peaceful home environment.

Better Humidity Control

Advanced systems do a better job removing excess moisture, keeping your home more comfortable during humid Midwest summers.

Greater Reliability

Enjoy fewer unexpected breakdowns and the added confidence of manufacturer warranty protection.

Designed for Your Home. Installed for Lasting Comfort

A new air conditioning system is only as effective as the design and installation behind it. At Althoff Home Services, we take a tailored approach – carefully assessing your home’s size, layout, and overall cooling needs to ensure the right fit from day one.

The result is consistent, efficient comfort you can rely on for years to come.

Protect Your Investment with Ongoing Care

Once your new system is installed, ongoing maintenance is the key to keeping it running at its best. With the Althoff White Glove Club, you’ll enjoy priority service, scheduled maintenance, and exclusive benefits designed to protect your system and your comfort long-term.

Members also receive a $250 equipment purchase credit, adding even more value when investing in your home’s comfort systems.

It’s a higher level of care – so you can enjoy your investment with complete peace of mind.

Sign Up for the White Glove Club Today!

Hand It Off to Althoff for Lasting Cooling Comfort

Whether you’re upgrading your system or planning ahead for better efficiency, our team is here to help you make the right choice with confidence.

Schedule your evaluation today and experience a higher standard of comfort – trusted by homeowners since 1961.

What Are Other Homeowners Saying?

Excellent
Althoff Home Services4.8
Based on 1074 reviews
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
5 days ago
Super responsive, communicative, informative, friendly, competitive and got the job done well. Highly recommended.
Renee Lucas
5 days ago
Great experience the air-conditioning was fixed quickly and Brian did a great job
L
6 days 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
1 week ago
Very efficiently did the maintenance. Couldn’t have asked for more. Very satisfied as usual.
Richard Elke
1 week ago
Scott was very professional. He explained all of our options and costs. He inspected our sub pump.
Renee Diak-Witek
2 weeks ago
Very friendly and knowledgeable about anything I needed to know.
Steve Kolasa
2 weeks ago
Quality service and work !!! Clean and very informative about our AC and Furnace !!! Alex did a fantastic job !!!!
Catherine A
2 weeks ago
Scott was prompt, very pleasant and did a great job!
Gwen
3 weeks ago
Extremely pleased with this company and the employees I dealt with so far.
excellent service - professional and friendly. Andres was the best!
Daniel Bochneak
3 weeks 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
3 weeks ago
Scott White is fantastic
Jim Andrulis
3 weeks 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.
Cathy Wilkins
4 weeks ago
We had our A/C inspection today. Nick A on the Althoff Home Services A/C team arrived and checked everything inside and out. Nick was very courteous, polite, friendly and thorough. We were very pleased with his professionalism. This service is included in our annual membership. The office staff and technicians at Althoff Home Services are the reason we have had them servicing our homes since 2002.
Greg M.
4 weeks 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.
April Strong
4 weeks ago
He's friendly and efficient. The perfect combination!
Gary Newland
1 month ago
I appreciate the attention and professionalism. Thank you!
Mandy Bone
1 month 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.
Had difficult bulbs to replace and find they did it a short period of time and the installation was flawless
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.
Chris Warren
2 months ago
We use Althoff Home Services for almost all of our HVAC, Plumbing, and Electrical needs. Pros: - It is easy to schedule an appointment with them. If you are a member of their White Glove Club, you get priority scheduling. - They spend time explaining the work they perform and any recommendations they have. - Their pricing is transparent. Everything is quoted and sent via email, so you know what you are paying every time they come to your house. - Their employees do not work on commission, so there are no high-pressure sales tactics unlike some of their competitors. Cons: - Some of their services are a little expensive. I would hire a handyman to do things like re-seat a toilet or replace a faucet in lieu of hiring of one of their professional plumbers. - They charge to come out to your house to give pricing estimates, but will deduct this from your bill should you choose to use them. I highly recommend Althoff’s and their team of professional staff!
John Ruder
2 months ago
Always a pleasant experience when Todd comes for the annual inspection of the ROZ Valve. Polite, good conversation, explains what’s being done.
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