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Top-Rated Furnace / forced air heating system install or replace pros in Idaho Falls - Updated Nov 2026

Apex HVAC
5.0(
8
)
Gas Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Repair

Serving Idaho Falls, ID and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"My furnace was not working properly and kept cutting out. Gave Apex HVAC a call and they showed up the same day and got my furnace running in the dead of winter. Highly recommend them for any heating or cooling needs."
Response time4 hrs
Response rate100%
Recommended by100%of homeowners
Avatar for Top Notch Heating and Plumbing LLC
Top Notch Heating and Plumbing LLC
5.0(
5
)
Gas Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - RepairElectric Furnace / Forced Air Heating System - Install+13 more

Serving Idaho Falls, ID and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

Since 2006, homeowners in the Eastern Idaho and Western Wyoming area have turned to our team for quality HVAC, Plumbing, and Drain services. \n\nOur team understands heating and plumbing emergencies don’t always occur at the most convenient times. That’s why you can expect Top Notch service from our experts 24/7/365. \n\nWe'll keep your home in tip-top shape with our outstanding service.\n\nDon't Despair, We'll Be Right There!\n

Ductless Install
Ductless Install
Ductless Install
Ductless Install
Ductless Install

+5

13 neighbors recently requested a quote
Avatar for Elite Comfort Systems LLC
Elite Comfort Systems LLC
5.0(
24
)
Ducts & Vents - Install or ReplaceElectric Furnace / Forced Air Heating System - InstallElectric Furnace / Forced Air Heating System - Install - For Business+15 more

Serving Idaho Falls, ID and surrounding areas

In business since 2022

Free estimates

Small jobs welcome

"Our technician Justin was incredible. First off, he called prior to arrival and gave me a window of when to expect him. He was kind and courtesy and respectful of our home. He spend all the time necessary to do the annual inspection and cleaning of both the furnace and air conditioner. Upon completion, he shared what he found. He alerted me to an item that may need addressing down the road but never pressured me to complete the work that day. Elite is just an overall great company to work with. Getting a service contract with them gives a client priority if there is every any issue. I would highly recommend using this company."
Furnace Installation
A/C Condenser
New A/C Install
AC Condenser Unit
Response time7 hrs
Response rate93%
Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+43 more

Serving Idaho Falls, ID and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"Jim with North Alabama Technical Services removed some items from my computer so that I could send emails and attend to items I needed to address that day. As planned, the next day he thoroughly cleaned my computer, he also made helpful suggestions while working on my computer. I would call him again if needed and I thought the fee was reasonable."
2014 Super Service Award Winner!
Additional Photos
Recommended by97%of homeowners
Showing 1-10 of 45

FAQs for furnace / forced air heating system install or replace projects in Idaho Falls, ID

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 Idaho Falls, ID 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.