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Find Furnace / forced air heating system install or replace pros in Grayslake

Avatar for All Temp Heating & Air Conditioning Inc
All Temp Heating & Air Conditioning Inc
4.6(
433
)

Serving Grayslake, IL and surrounding areas

Approved

In business since 1946

Free estimates

Emergency services offered

"The only time they had available was in the evening so I had to pay double the amount or a regular service call. I agreed to that because the temperature in my house probably around 40°. They gave me a timeframe for service from 5 PM to 9 PM and a service person would call when on their way. I was thrilled that Brett called me at before 5pm. Brett was very professional and thorough. He walked me through what needed to be fixed and prices. Within less than 35,minutes he replaced my broken igniter and answered questions about my desire to replace an 18 year old furnace."
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+2

Response time3 days
13 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for G & R Heating & Air
G & R Heating & Air
4.6(
129
)

Serving Grayslake, 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."
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+20

Response time11 hrs
106 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for Cahill Heating, Cooling, Electric, Plumbing & Sewer
Cahill Heating, Cooling, Electric, Plumbing & Sewer
4.8(
33
)

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."
Furnace Installations
Heat Pump Installations
Furnace Installations
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+7

Response time8 hrs
9 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Four Seasons Heating & Air Conditioning
Four Seasons Heating & Air Conditioning
4.3(
3,282
)

Serving Grayslake, IL and surrounding areas

Approved (Corporate)

In business since 1971

Free estimates

Emergency services offered

"We decided to replace an outdated AC unit and furnace with a brand new heat pump and furnace. After speaking with a Four Seasons sales rep, we knew they were the best choice to go with due to their thorough assessment, knowledge of products, availability of service and overall transparency. And perhaps most importantly, they were not pushy and respect our decisions on what system we felt was best for our home. As with any expenditure of this nature, there will be some ironing out of details and inevitable bumps to get everything completed, but the overall experience amounted to an energy-efficient HVAC system that was installed with care and expediency. Their service technicians are also friendly, thorough, knowledgeable, and available at a moment's notice. We are so glad that we went with Four Seasons."
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Response time9 hrs
30 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Full Efficiency Heating And Cooling
Full Efficiency Heating And Cooling
4.9(
29
)

Serving Grayslake, IL and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"I hired them to install new combined water heater/ boiler, install new water filtration system and service the ac units.Great service and knowledgeable of what theyâ re doing. Definitely will hire them again."
Remodel
Condensers
Installed furnaces
Response time10 hrs
2 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for CR Mechanical Services, LLC
CR Mechanical Services, LLC
4.7(
53
)

Serving Grayslake, 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."
Office furnace
Furnace for office
Office ac coil with damper
Shah furnace
Shah furnace

+8

Response time6 hrs
2 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Phoenix HVAC, LLC
Phoenix HVAC, LLC
4.8(
64
)

Serving Grayslake, 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!"
Staging and Wrapping Ductwork
Staging and Wrapping Duct Work
Installation
OUR WORK
OUR WORK

+21

Response time9 hrs
Response rate92%
Recommended by96%of homeowners
Avatar for Precision Today Plumbing Heating Cooling Electrical
Precision Today Plumbing Heating Cooling Electrical
4.6(
326
)

Serving Grayslake, IL and surrounding areas

Approved

In business since 1992

Emergency services offered

Warranties offered

"Dean installed our tankless water system and was the consummate professional; polite, knowledgeable, easy to ask questions and explained everything until I was comfortable. Highly recommend."
Battery back up pump
Copper vent line repair
Copper vent line repair
Copper vent line repair
Kitchen sink update

+49

91 neighbors recently requested a quote
Recommended by93%of homeowners
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FAQs for furnace / forced air heating system install or replace projects in Grayslake, IL

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.

The Grayslake, IL homeowners’ guide to furnace / forced air heating system installs or replaces

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