
Serving Park Forest, IL and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"replace thermostat and cleaned furnace"





Serving Park Forest, IL and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"replace thermostat and cleaned furnace"




Serving Park Forest, 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"We decided to replace an outdated AC unit and furnace with a brand new heat pump and furnace.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."





Serving Park Forest, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2002
Free estimates
Warranties offered
"These guys were great. Not only did they do all the furnace ducts. The proprietary dryer duct was disassembled cleaned and reassembled at their incentive. I’ve had other services show up at my doorstep with a fraction of the equipment and I turned them away. Mr. Duct is the only duct cleaning service I will ever recommend. The extra money is MORE than worth it."





+81

Serving Park Forest, IL and surrounding areas
Approved (Corporate)
In business since 1992
Emergency services offered
Warranties offered
Precision Today is a trusted multi-trade contractor with a expert technicians specializing in HVAC services for residential properties. We deliver fast, safe, and reliable solutions—backed by same-day service.\n\nOur HVAC services include heating and cooling system installation, furnace and AC repair, seasonal maintenance, ductwork services, thermostat upgrades, and energy-efficient system replacements. Whether you need a quick repair or a full system upgrade, our technicians work with precision and attention to detail to keep your home or business comfortable year-round.\n\nWith locations in Carol Stream, West Chicago, Grayslake, Palatine, Franklin Park, and Naperville, we provide efficient coverage across the surrounding Chicago suburbs—allowing us to respond quickly and keep your project moving.\n\nIf you’re looking for a responsive, professional contractor who prioritizes safety, speed, and quality, Precision Today is ready to help—often the same day you call.





+49

Serving Park Forest, IL and surrounding areas
Approved
Super Service Award Winner
In business since 1998
Emergency services offered
Warranties offered
We invite you to experience a tradition of customer satisfaction that will exceed your greatest expectations. Our professionalism and quality workmanship will accurately reflect your taste and lifestyle. From conception to completion we work with you until the job is done. We thrive to take care of all of our clients unique needs. We are ethical, honest and easy to communicate with. Call us today you'll be pleased you did. Thank you!





+9

Serving Park Forest, IL and surrounding areas
Approved
In business since 2014
Emergency services offered
Small jobs welcome
Lee?s Heating & Cooling provides dependable residential HVAC service throughout Northwest Indiana. We help homeowners with AC and furnace repair, system diagnostics, poor airflow, thermostat problems, seasonal maintenance, and comfort concerns.\n\nOur family-rooted business was created to honor the legacy of our Grandfather, a Vietnam veteran whose values of service, hard work, honesty, and dependability still guide us today. We believe customers deserve clear answers, respectful treatment, and approval before any repair begins; not pressure, unnecessary work, or surprise charges.\n\nStephanie and Zach are committed to responsive communication and treating every home with care. Whether your system will not start, is blowing warm air, is not heating properly, or simply needs maintenance, we are ready to help.\n\nLeesHeatingNWI.com | 219-455-1453





+10

Serving Park Forest, IL and surrounding areas
Approved (Corporate)
In business since 1911
Free estimates
Emergency services offered
"Incredible- walked me through everything, showed me my filters as this was a new home and a different system than I had prior."





+10

Serving Park Forest, IL and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"My furnace went out on the coldest might of 2025 it was -30-"40. Degree's outside. I called AHS. My house warranty at 9pm they lied and said someone was coming.Guess what I waited 18 hrs still no one came I found your company on my phone and called He was there within 80 minutes. Repaired my furnace within 2 hours . If you want good.professional service I recommend you contact this company.they won't let you down.👍👍"





+1

Serving Park Forest, IL and surrounding areas
Approved
In business since 2017
Free estimates
Warranties offered
We are a licensed professional heating & cooling company that take great pride in providing a comfort and quality service to our customers at a fair price. It is our mission to provide excellent skill and workmanship to complete customer satisfaction from start to finish of a project. With our trained certified technicians we are well equipped to provide a high quality service





+24

Serving Park Forest, IL and surrounding areas
Approved
Emergency services offered
Small jobs welcome
Credit card accepted
"Let's start with the estimate. The owner himself, showed up to give me an estimate. Tyler is quite a driven young man. He kept the appointment time, was prompt and courteous. He COULD have sold me a super expensive setup. Instead, he looked at the issue, found that my system needs work. My a.c. went out on the hottest week we've had. He found the issue, was willing to fix it just to save me some money. He explained the pros and cons of fixing vs repair. We all know that service that comes out and does this and then slaps you with a crazy high estimate. I had this guys competitor come out the other day and gave me some ridiculous estimate. I wouldn't recommend Polar heating and cooling to anyone. But Comfort Wizards came out and gave me the best estimate I've had. He also offered me a 5% EMS discount! On top of the best estimate I've had!! I believe its a good practice to work with local companies and Comf0rt Wizards is the one im going with."





+6
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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