Serving North Charleston, SC and surrounding areas
Approved
In business since 2019
Free estimates
Emergency services offered
"My heating stopped working this morning, and within 4 hours someone was at my house fixing it!"
Serving North Charleston, SC and surrounding areas
Approved
In business since 1983
Free estimates
Emergency services offered
"Great bunch of guys! Came out in the rain and installed furnace / ac unit right before the weather turned cold Very professional and courteous. Left the work area neat and clean. I am glad they were able to get out as fast as they did."
+11
Serving North Charleston, SC and surrounding areas
Approved
In business since 1982
Free estimates
Offers commercial services
"Highly Recommend! Stephen and his team did a great job replacing our Heat Pump system. My wife asked a LOT of questions and 5Star answered each and every one of them without complaint."
Serving North Charleston, SC and surrounding areas
Approved (Corporate)
In business since 2001
Free estimates
Emergency services offered
"Job done right and quickly. Reasonable price tom was great"
+2
Serving North Charleston, SC and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1976
Free estimates
Credit card accepted
"ARS was pricey and vent grate replacement took longer than it should. The system they installed works good and I cannot ask for more."
Serving North Charleston, SC and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"The HVAC technician who came out for my central air cleaner replacement did an outstanding job. He showed up on time, explained everything clearly, and made the whole process quick and stress-free. You could tell he really knew his stuff… He also took the time to answer my questions and even gave a few helpful tips to keep the system running smoothly. It’s hard to find reliable, honest service like that these days. He didn’t try to sell me the most expensive product but the one he said was best fit for my needs. Highly recommend if you want the job done right the first time!"
+13
Serving North Charleston, SC and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"Russell was very thorough. He checked everything, asked me questions, and showed evidence of issues. He did more than simply fix a problem. He educated me on how to determine when a problem is arising. He offers a phenomenal benefit plan to keep HVAC unit in great condition year round. I would highly recommend him for your HVAC needs."
+2
Serving North Charleston, SC and surrounding areas
Approved
Super Service Award Winner
In business since 2014
Free estimates
Credit card accepted
"Damien came out and checked my unit and told me exactly what was wrong. The unit had a leak. He fixed the problem and checked back on several occasions to make sure that the unit was running properly ( never had a company to do a follow up like he did). Very impressed. He will be the only person that I will call for any future HVAC needs. Very professional and will highly recommend."
Serving North Charleston, SC and surrounding areas
Approved
In business since 2018
Free estimates
Credit card accepted
"Very high quality work. Has a systematic approach to fault diagnosis which is rare in HVAC repair. Rather than just suggest the whole system needs to be repaired we talked about the most cost effective and sensible solution. AC is running perfectly again!"
+7
Serving North Charleston, SC and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
"Very polite perspective perspective and very knowledgeable"
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.