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

Avatar for P & W HVAC Services
P & W HVAC Services
4.7(
271
)
Thermostat - Install or ReplaceGas Furnace / Forced Air Heating System - RepairElectric Furnace / Forced Air Heating System - Repair+5 more

Serving Lexington, SC and surrounding areas

Approved

Super Service Award Winner

In business since 2013

Free estimates

Emergency services offered

"My furnace quit working and another company I d asked couldn t send anyone until the next day. Steve responded to my Angie s List inquiry and was able to look at my system, replace the faulty part and restored my heat in less than an hour! Thank you!"
 Nice Concrete Pad
 P & W
 P & W
Clogged Air Filter
TXV

+11

Response time5 hrs
78 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Sunrise Electric Co.
Sunrise Electric Co.
4.7(
115
)
Thermostat - Install or Replace

Serving Lexington, SC and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Fantastic customer service, reliable, completed the electrical work in an efficient manner, and cleaned up the work area. If you want the best, hire Sunrise Electric."
Nice And Neat
Almost There
Ready for Inspection
Before
New Panel

+1

Response time7 hrs
9 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Hometown Rapid Air
Hometown Rapid Air
5.0(
6
)
Electric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - InstallDuctless Mini-split Heating System - Install or Replace+11 more

Serving Lexington, SC and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

Hometown Rapid Air is a locally owned heating and air company serving the Midlands, from Chapin and Leesville to Shandon, Forest Acres, and Elgin. We handle AC and heating repair, system replacements, ductless mini-splits, and maintenance plans starting at $13/month. Our technicians bring years of hands-on experience, and every repair comes with upfront flat-rate pricing, so you know the cost before we start. Need a new system? We'll give you clear Good/Better/Best options with no pressure. Already have a quote from someone else? We'll give you a free second opinion. Licensed in South Carolina (Mechanical #119136). Call today and see why your neighbors trust the hometown team.

Project Photos
5 neighbors recently requested a quote
Avatar for Preferred Home Services, LLC
Preferred Home Services, LLC
4.5(
50
)
Electric Furnace / Forced Air Heating System - InstallHeat Pump - Install or ReplaceGas Furnace / Forced Air Heating System - Install+4 more

Serving Lexington, SC and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"Cody & EJ arrived earlier than scheduled and provided truly top notch, white glove level service. They went above and beyond to follow Covid distancing protocols and promptly put booties over their shoes. They were a sight for sore eyes after 3 days of no A/C in Mid-June in the S.C. heat. They were able to quickly diagnose a stuck pin and then get the unit going and recharged quickly. I would highly recommend these guys to anyone."
Preferred Home Services Truck
Air Ducts
Toilet
HVAC System
HVAC

+7

Response time1 day
Response rate100%
454 neighbors recently requested a quote
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FAQs for furnace / forced air heating system install or replace projects in Lexington, SC

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 Lexington, SC 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.