
Serving Lake Bluff, IL and surrounding areas
Approved
In business since 1946
Free estimates
Emergency services offered
"Very well. The tech did a thorough job checking both the furnace and air conditioning unit. He answered any questions we had,"





+2


Serving Lake Bluff, IL and surrounding areas
Approved
In business since 1946
Free estimates
Emergency services offered
"Very well. The tech did a thorough job checking both the furnace and air conditioning unit. He answered any questions we had,"





+2

Serving Lake Bluff, IL and surrounding areas
Approved
Super Service Award Winner
Free estimates
Emergency services offered
Warranties offered
"Outstanding service from beginning to end. The team arrived right on schedule, worked efficiently, and left everything spotless. Our heating system runs better, and the air feels much cleaner."





+20

Serving Lake Bluff, IL and surrounding areas
Approved
In business since 1973
Free estimates
Emergency services offered
"Outstanding service!! Cahill has been our heating and air conditions company for over 25 years. Installed two systems over this time. High quality work."





+7

Serving Lake Bluff, IL and surrounding areas
Approved (Corporate)
In business since 1971
Free estimates
Emergency services offered
"On a Cold and Snowy 2nd day of Spring 2020, my heating system went out and got really cold in the house. Called Four Seasons to come out for an immediate repair. Four Seasons was able to come out within 2 hours. Technician was very knowledgeable and fixed the the problem right away and my furnace was up and running before the freezing night came. Thanks, Four Seasons!"





Serving Lake Bluff, IL and surrounding areas
Approved
In business since 1998
Free estimates
Emergency services offered
"You absolutely need to hire these guys for whatever heating/cooling project is on your list. We had been ghosted by 4 HVAC companies in 9 months. Carlos Jr. called me at 9AM and by 4:30PM I not only did I have a working AC but I had an all new and upgraded unit. I am so impressed by their quick and QUALITY work. They were kind and understanding."




Serving Lake Bluff, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2014
Free estimates
Emergency services offered
"Emergency. Furnace went out overnight. Woke up freezing. Called G&R Heating. They (Adam), responded within one hour. Furnace couldn't be repaired - provided quote that was acceptable and accepted immediately. New furnace (and air conditioner) was installed within 4 hours. Total lapse of time from waking up to a cold house to new furnace (and air conditioner) was 5-1/2 hours. Excellent and superior customer service. I now have the heat back and am toasty and warm again. Great work G&R."





+1

Serving Lake Bluff, IL and surrounding areas
Approved
In business since 2011
Free estimates
Emergency services offered
"Installation of a new furnace and air conditioner was done. We were so impressed with the professionalism and follow through of the CR Mechanical team. Rick contacted us promptly and advised us of our options and his recommendations for our project. We did some additional homework and decided to hire CR Mechanical. Craig arrived on schedule and installed the furnace and did some additional pipe work the first day. On the second day, the AC was installed on the new compressor was relocated to a new area that we had discussed. The job was completed as agreed with efficiency and neatness. I would recommend CR Mechanical with hesitation."





+8

Serving Lake Bluff, IL and surrounding areas
Approved
In business since 2011
Emergency services offered
Warranties offered
"Thought it was a plumbing issue, but turned out to be an issue with air conditioner. They were prompt in responding to the emergency call. HVAC responder was knowledgeable. Price for furnace and AC was horribly overpriced!"





+15

Serving Lake Bluff, IL and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"I had the most positive experience working with Bob and Anthony on a full Furnace/AC installation. Both systems were approaching 15 yrs old needing repairs that would not have made sense to continue putting money into. Bob came onsite for a free consultation and very clearly communicated detail on my options, even making recommendations for further cost-saving improvements. They fit me in right away and worked diligently with the installation. I couldn't be happier with the end result...should have called these guys months ago!"





+21

Serving Lake Bluff, IL and surrounding areas
Approved
In business since 1992
Emergency services offered
Warranties offered
"Tankless water heater system installation is new to me and decided to save gas usage with an on demand heater w a 15 yr warranty that has a much longer useful life"





+49
Converting from an oil furnace to an electric furnace isn't a simple swap—the oil system needs to be completely removed before installing the electric furnace. You'll need a full electric system installation, but you might be able to reuse existing ductwork if it's up to current safety standards. You’ll need to budget for a new electric furnace installation, which costs between $1,800 and $6,200, including professional removal, proper disposal, and safe installation of the new system.
Electric furnaces are 100% efficient at converting electricity into heat. However, some of that heat can be lost as it travels through your home's ductwork or escapes through poorly insulated areas. That's why regular duct maintenance and proper home insulation are important to maximize your furnace's efficiency and reduce heat loss, ensuring consistent warmth and lower energy costs.
With proper maintenance, an electric furnace can last anywhere from 20 to 30 years, outlasting the average gas furnace's lifespan of 15 to 20 years. To keep your electric furnace running efficiently, schedule regular cleanings, tighten connections, and have inspections done before winter arrives. With routine maintenance, you’ll ensure consistent, safe heating for years to come.
The size of the electric furnace you need depends on factors like your home's square footage, climate, and insulation quality. As a general guideline, those who live in warmer climates should multiply their square footage by 30 to 35 BTUs, while those in cooler areas should multiply it by 50 to 60 BTUs.
Consulting with an HVAC professional can help you determine the exact size that's right for your home.
An electric furnace works by converting electricity into heat using high-resistance heating elements. A blower then pushes the warm air through your home's ductwork, distributing heat evenly throughout your space. Since there's no combustion involved, electric furnaces eliminate the risks associated with gas furnaces and provide consistent, reliable heating when properly installed.
An electric furnace uses between 40 and 80 kilowatts per day to heat your home. The exact amount it uses depends on factors like your home's size, insulation, and overall energy requirements. Larger homes or those with poor insulation use more energy than smaller, well-insulated spaces. A professional furnace assessment can help confirm the ideal unit size for your needs.
From average costs to expert advice, get all the answers you need to get your job done.

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