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

Avatar for KETTLE MORAINE HEATING & AIR CONDITIONING LLC
KETTLE MORAINE HEATING & AIR CONDITIONING LLC
4.8(
197
)

Serving Jefferson, WI and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"Patrick started servicing our Furnace and Central Air conditioning systems a few years ago. He is so efficient, pleasant, and easy to work with that we specifically asked for him now twice a year for our annual Heating system check and also annually for our Air-conditioning system check. This trip he also had a trainee with him, and did a great job of allowing the trainee to do the work, but carefully supervising at the same time. Highly recommend!"
Radiant In floor Heating
Furnace Replacement with Humidifier
Additional Photos
Additional Photos
Additional Photos

+8

Response time2 days
14 neighbors recently requested a quote
Recommended by64%of homeowners
Avatar for Cardinal Heating & Air Conditioning
Cardinal Heating & Air Conditioning
4.8(
164
)

Serving Jefferson, WI and surrounding areas

Approved

In business since 1985

Free estimates

Credit card accepted

"Cardinal Heating and Cooling is my go-to for my furnace, AC, water heater and water softener. Their technician Alejandro, completed the annual furnace tune-up today."
110 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for JB Mechanical, LLC
JB Mechanical, LLC
4.9(
29
)

Serving Jefferson, WI and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"Furnace stopped working when I woke up in the morning. I called at 7a.m. and they were here by 8:30 a.m. same day. I was very happy they were able to come out quickly and fix it in less than an hour. Didn't get charged more than what was explained when I called. Patrick fixed it and explained to me in detail what he did to fix the furnace and how the system worked. Very pleased with everything!"
Response time1 day
10 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Southport Home Services
Southport Home Services
5.0(
11
)

Serving Jefferson, WI and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Justin took care to not over sell me. Only what I needed and understood. The install team were tidy, efficient, and educated me about the safety approaches when changing the humidifier filter. That filter and the furnace filter are the same that was used on my old system. They were professional and personable."
Boiler
Upstairs Furnace
Lineset/Electrical
Basement Furnace
Air Conditioner

+11

34 neighbors recently requested a quote
Avatar for Countryside Heating and Cooling, LLC
Countryside Heating and Cooling, LLC
5.0(
6
)

Serving Jefferson, WI and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

"Shane was able to schedule a prompt appointment. He arrived on time and performed a thorough diagnostic on the furnace. He identified an issue I was unaware of and corrected the problem with the air conditioner using parts that were still under warranty. I will gladly use his services again."
Heating the Dream Barn
Heating the Dream Barn
Heating the Dream Barn
2024 Nextdoor Fave Award
2024 Nextdoor Fave Award

+2

Response time1 day
6 neighbors recently requested a quote
Avatar for Master Services, Inc.
Master Services, Inc.
4.3(
317
)

Serving Jefferson, WI and surrounding areas

Approved

Super Service Award Winner

In business since 1990

Free estimates

Emergency services offered

"Customer service was excellent. Everyone from the person who first answered the phone to the guys who did the cleaning were friendly, professional, courteous, and thorough. We can tell the difference in the air quality already and our furnace sounds quieter too."
Master Services Team
Response time8 hrs
Response rate93%
14 neighbors recently requested a quote
Avatar for Arctic Air Heating, Cooling, & Refrigeration
Arctic Air Heating, Cooling, & Refrigeration
4.9(
10
)

Serving Jefferson, WI and surrounding areas

In business since 1959

Free estimates

Emergency services offered

"All the work was fantastic! I had a complete basement remodel done a year earlier and was worried having a new A/C and furnace put in. The quality of work was great and clean up no problem. I trust them to do any work and have never had a problem!"
Recommended by100%of homeowners
Sears Heating and Cooling - Milwaukee
4.3(
23
)

Serving Jefferson, WI and surrounding areas

In business since 1893

Free estimates

Warranties offered

"Very prefessional and thorough. Left my place clean after the install, and even loaned me some goo-be-gone from their toolbox for a project that I was working on while they were installing my furnace. They reviewed what they did at the end, and gave me a card so that I could call with any issues. Would highly recommend Sears and their contractors."
Recommended by89%of homeowners
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Showing 1-10 of 59

FAQs for furnace / forced air heating system install or replace projects in Jefferson, WI

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 Jefferson, WI 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.