Serving Crossville, TN and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Showed up when said would and explained everything he was doing. I will definitely be calling him again this spring to work on my central heating and air system."
Serving Crossville, TN and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Live up to their name. Honest. They could have sold me a complete new system but expertly repaired my old one. Plus they installed a dual head Minny split. Very happy with their service and will use them again"
+6
Serving Crossville, TN and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
\nShield Mechanical is a family-owned and operated HVAC contractor offering a true one-stop shop for all your heating and cooling needs. From reliable service and repairs to complete system replacements, new installations, and full new-construction HVAC projects, we deliver quality workmanship you can depend on. At Shield Mechanical, we’re committed to solutions that keep your business or home running at its best — because our mission is simple: Protect Your Comfort.\n\n
+23
Serving Crossville, TN and surrounding areas
Approved
In business since 2008
Free estimates
Emergency services offered
"Very nice gentleman who got right to work. Solved the problem and now I have a tankless water system that works like it should. I will always call if I have any more problems."
+49
Serving Crossville, TN and surrounding areas
Approved
Free estimates
Emergency services offered
Small jobs welcome
"Chris did an amazing job came out on time and serviced my unit and was very professional"
+18
Serving Crossville, TN and surrounding areas
Approved
In business since 2022
Free estimates
Offers commercial services
"They were great! prompt and affordable! Personable!"
Serving Crossville, TN and surrounding areas
Approved (Corporate)
In business since 1991
Free estimates
Emergency services offered
"Extremely fast service! The lady who called to schedule and then again to confirm arrival time was friendly and professional. The technician, Bobby, was friendly, no pressure, and effective. Fixed my problems efficiently and the cost was reasonable. Thank you!"
+3
Serving Crossville, TN and surrounding areas
Approved
In business since 2022
Free estimates
Emergency services offered
"professional, hard working and honest folks. I will refer them to anyone who needs work done."
Serving Crossville, TN and surrounding areas
In business since 1990
Free estimates
Credit card accepted
"Service Heating Unit I highly recommend this business and would call on John for future service. He is very professional and knowledgeable, he also explained everything as he serviced the unit. He was a blessing coming to look at the unit, so we would have heat during the night. Thank you so much."
Serving Crossville, TN and surrounding areas
In business since 2003
Free estimates
Credit card accepted
"From conversation on phone, suggested repair, came next day. System working Good!"
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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Discover how much an electric furnace costs based on factors such as unit size, local labor rates, electrical upgrades, and ductwork condition.