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Wi-Fi / Smart Thermostats

Upgrading to a Wi-Fi or smart thermostat is one of the easiest ways to boost comfort, improve energy efficiency, and take control of your home’s HVAC system. At Althoff Home Services, we help homeowners in Crystal Lake and the surrounding Chicago suburbs choose and install the ideal thermostat for their needs. Our customers appreciate the way we combine modern technology with trusted service values.

  • Family owned since 1961
  • We provide quotes before performing service
  • 100% satisfaction guarantee

Whether you want remote access, learning features, or zoning capabilities, we’ll help you find the right thermostat and ensure it’s installed correctly for optimal performance.

Proudly serving the Crystal Lake area for over 60 years! 

How to Know It’s Time to Upgrade Your Old Thermostat

Many homeowners overlook the impact an outdated thermostat can have on their comfort and energy bills. If your current thermostat is non-digital, lacks programming options, or requires constant manual adjustments, it’s probably time for an upgrade. At Althoff Home Services, we help Crystal Lake homeowners modernize their HVAC controls with Wi-Fi and smart thermostats that offer greater convenience, accuracy, and efficiency.

Older thermostats often result in uneven temperatures, frequent system cycling, and wasted energy. They simply can’t match the precision or flexibility of today’s digital solutions. If you find yourself constantly fiddling with the settings or forgetting to adjust the temperature when you leave home, a new thermostat can make a big difference. Upgrading your thermostat is a small investment that pays off with better comfort control and reduced energy usage, all without replacing your entire HVAC system.

The Difference a Wi-Fi Thermostat Can Make

A Wi-Fi thermostat gives you the power to control your home’s heating and cooling from anywhere using your smartphone, tablet, or voice assistant. At Althoff Home Services, we install high-quality Wi-Fi thermostats that connect seamlessly to your existing HVAC system, giving you the flexibility to manage comfort settings remotely or on a schedule that fits your lifestyle.

Wi-Fi thermostats allow you to adjust temperatures on the go, set up daily or weekly programs, and receive real-time alerts about system performance. This level of control helps reduce energy waste and can lead to noticeable savings on your utility bills. They also offer an intuitive interface that makes it easy to track usage and fine-tune your preferences. Whether you’re on vacation or just headed home from work, a Wi-Fi thermostat helps ensure your home is always at the perfect temperature.

What’s So “Smart” About a Smart Thermostat?

Smart thermostats take everything great about Wi-Fi control and elevate it with intelligent features that learn your habits and adapt automatically. At Althoff Home Services, we recommend smart thermostats to homeowners who want effortless comfort and energy savings without constant adjustment. These systems use motion sensors, scheduling algorithms, and even local weather data to optimize your home’s climate based on your lifestyle.

Many smart thermostats can also integrate with home automation systems, voice control devices like Alexa or Google Assistant, and energy-saving programs from utility providers. Over time, they learn when you’re home, when you’re away, and what temperatures you prefer, adjusting accordingly to keep you comfortable and efficient. With professional installation and setup from Althoff Home Services, your smart thermostat becomes a powerful tool that improves comfort, saves money, and brings your HVAC system into the modern age.

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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