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

Avatar for Integrity Heating & Cooling, Inc.
Integrity Heating & Cooling, Inc.
4.2(
12
)

Serving Oak Brook, IL and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"Great job done. Changed out both furnace and A/C units to high efficiency models. 2 guys spent a full 8 hours doing all the work and explained what they were doing throughout the whole process, educating me along the way. Cleaned up afterwards. Couldn't be happier with the choice."
Twinned Furnaces
Expert Installation
Perfect AC Install
Awesome Review
Huge AC Sale!

+2

Response time3 hrs
Response rate93%
9 neighbors recently requested a quote
Avatar for Melvin Flores
Melvin Flores
4.6(
52
)

Serving Oak Brook, IL and surrounding areas

Approved

In business since 1990

Free estimates

Credit card accepted

"Melvin arrived quickly, diagnosed the problem and had the part available. From the time I called he had the furnace fixed in 90 minutes.Excellent service overall!"
Response time5 hrs
1 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Astera HVAC & Appliance Repair
Astera HVAC & Appliance Repair
4.5(
15
)

Serving Oak Brook, IL and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"On the coldest day of the year, my furnace, as expected, decided to stop working. Having just bought my home, I was faced with a tough decision?repair the old system or invest in a new one with a 10-year warranty. After speaking with Astera Heating, Cooling & Appliance Repair, I knew I was in good hands. From the very first call, Valentina was incredibly sweet and quickly scheduled an appointment for the same day. Steve arrived promptly, diagnosed the issue, and found that the motor needed replacement. After discussing options, I decided to go with a full furnace replacement instead. The very next day, Steve and Yuriy arrived and installed a brand-new system in just four hours! Now, my home is warm again, and my new furnace is incredibly quiet compared to the old, noisy one. I couldn?t be happier with the fast, professional, and high-quality service that Astera provided. If anything happens in the future with my AC or appliances, I won?t hesitate to call them again. If you need rel"
Response time2 hrs
Response rate98%
4 neighbors recently requested a quote
Avatar for HOT COLD AIR INC.
HOT COLD AIR INC.
5.0(
10
)

Serving Oak Brook, IL and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"I recently had Hot Cold Air Company repair my furnace, and I am thoroughly impressed. Their technician arrived promptly, diagnosed the issue quickly, and explained everything clearly. The repair was done efficiently, and my furnace is now working perfectly. I highly recommend Hot Cold Air Company for their exceptional service and professionalism."
2 New Carrier A/C Units Installation
Our Branded Vehicles
A/C Replacement
Our Branded Vehicles
Air Conditioner Replacement

+17

Response time2 hrs
Response rate88%
6 neighbors recently requested a quote
Avatar for Windy City HVAC Repair
Windy City HVAC Repair
5.0(
6
)

Serving Oak Brook, IL and surrounding areas

Approved

In business since 2025

Warranties offered

Small jobs welcome

"Just moved in and wanted to have our system looked at, especially since it's getting up there in age, and see about getting a service contract. Jamal was absolutely the best and I signed up for the service club right off. I'm one of those that likes to know how things work so we chatted, he explained things he was doing, talked about refrigerants and where the technology is going. Suffice to say I absolutely recommend calling Windy City for HVAC concerns."
13 neighbors recently requested a quote
Avatar for Ivan Handyman
Ivan Handyman
4.7(
61
)

Serving Oak Brook, IL and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Ivan did a tremendous job installed my ceiling fans. Fast communication and did quality work. One of our fans needed some drywall ceiling work done and it looks fantastic, blended in perfectly into the ceiling. Greatly exceeded my expectations!"
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+38

Response time6 hrs
3 neighbors recently requested a quote
Recommended by85%of homeowners
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FAQs for furnace / forced air heating system install or replace projects in Oak Brook, 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 Oak Brook, 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.