
Serving Grayslake, IL and surrounding areas
Approved
In business since 1992
Emergency services offered
Warranties offered
"Efficient service and tidy repairs"





+49


Serving Grayslake, IL and surrounding areas
Approved
In business since 1992
Emergency services offered
Warranties offered
"Efficient service and tidy repairs"





+49

Serving Grayslake, IL and surrounding areas
Approved
Super Service Award Winner
Free estimates
Emergency services offered
Warranties offered
"Excellent experience from start to finish! The technicians arrived on time, cleaned our air ducts thoroughly, and serviced our heating system perfectly. The air quality improved instantly. Professional, friendly, and extremely reliable service overall."





+20

Serving Grayslake, IL and surrounding areas
Approved
In business since 1946
Free estimates
Emergency services offered
"We recently replaced our Heating & Cooling system with a energy efficient furnace & air-conditioning unit. We knew what we wanted, so I received bids from 4 different suppliers, receiving bids for a apples to apples comparison. All-Temp was by far the best pricing. Our installation process went flawlessly & the installers answered any question that I had. They came back out to our home per my request on a couple more occasions, to adjust the amount of time the 2 stage system ran. Everyone that we have dealt with has been extremely professional, courteous & knowledgeable. We just received a clean & check of our system & Jen our technician met each of those attributes. I would highly recommend All-Temp for any of your heating or cooling needs. Herb Pitzman Huntley, IL"





+2

Serving Grayslake, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2014
Free estimates
Emergency services offered
"The G & R tech was thorough both in his explanation of what service and repair was required and completed his work efficiently. I would highly recommend G & R Heating and Air"





+1

Serving Grayslake, IL and surrounding areas
Approved (Corporate)
In business since 1971
Free estimates
Emergency services offered
"Four Seasons HVAC always have highly qualified technicians to serve Chicagoland. Very professional, skilled and competitive price point. For our heating & cooling, hot water tank, sump & ejector pump, air duct & dryer vent cleaning - I always go then to repairs and maintenance."





Serving Grayslake, IL and surrounding areas
Approved
In business since 1973
Free estimates
Emergency services offered
"Cahill installed my new furnaces in a professional manner and the units work very well. The annual service is thorough and complete. I am confident that the units are well maintained and not just given a cursory service. Installation of the ducts was done quickly and professionally and their advice helped me make the right decisions. They showed up to perform the work at the agreed time and completed the work efficiently. I didn't have to allocate a block of hours during which they might show up -- as with most service companies. I'm very pleased with this company."





+7

Serving Grayslake, IL and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"I just won a beautiful water heater from Legendary Service, and they were amazing. The installation was quick, easy, and clean. The owners came down personally to make sure everything went smoothly. Very nice people and I would definitely go to them for all my plumbing and heating needs!"



Serving Grayslake, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2018
Free estimates
Emergency services offered
"I was extremely grateful that they had a technician scheduled for other stops in my area the day I reached out on Angi, and that they were able to fit me in that day to repair my broken central air conditioning. Everyone in our house is very glad to no longer be sweltering in the heat."





+16

Serving Grayslake, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2002
Free estimates
Emergency services offered
"Doug did a great job. He was here at 8:15 am, out by 8:40am. Replaced an igniter. I would have given a 5 star but no prior cost estimate before work was started. No receipt after leaving. I thought the work was done with respect and knowledge. I just can’t comprehend the 400 in labor?? But all works now. Happy with the outcome.. here immediately, on time.. and heat once again!"





Serving Grayslake, IL and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Phoenix HVAC is the only heating & cooling company I will ever use! They are thorough, professional and explain all options available. I never felt pressured to make a decision to repair or replace, and the final installation is impeccable... the job site was cleaned to a state better than it was before they started! They answered all of my questions and were extremely flexible when scheduling the work. Having the team @ Phoenix perform this work gave me peace of mind on the eve of sub-zero temperatures! Thank you Bob and the rest of the Phoenix team!"





+21
From average costs to expert advice, get all the answers you need to get your job done.

HomeAdvisor’s Thermostat Replacement Cost Guide covers installation costs for mechanical, smart, and programmable thermostats.

Use this guide to budget for home solar battery costs based on factors such as system size, battery type, professional installation, storage, and more.

Check out how much a heated floor costs to install, exploring factors like the floor size, type, temperature zones, and heating system.

Budget for solar panel repair costs based on factors such as system type, panel size, accessibility, repair type, labor, parts, inspections, and more.

Wondering who repairs solar panels? Learn who to call—solar technicians, installers, or electricians—and when to DIY. See costs and smart next steps.

Curious who installs geothermal heating systems? Learn who to call, why a geothermal heating specialist is best, and other pro options.