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

Avatar for MARYLAND HEATING & COOLING
MARYLAND HEATING & COOLING
4.9(
91
)
Gas Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - RepairElectric Furnace / Forced Air Heating System - Install+7 more

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"We called Debbie and Ron because we had a heater that made an unusual noise and kept cycling on and off every few minutes. We also wanted to upgrade the thermostat to a nest but was running into issues installing it ourselves. We are fairly handy but couldn’t figure out the problem. Debbie tried to help us troubleshoot over the phone but ended up coming out the next day. They were quick to diagnose the heater issue and made some adjustments. They basically serviced the furnace which hadn’t been for a few years but in the process they found some oil leaking from the motor. Since it was still under warranty, they said they could get a replacement part locally and install it. I thought we were going to have to schedule another day but they did it that same day! They also helped us troubleshoot the nest-even called Google to help us. Their prices are reasonable and they are upfront with the work. We really love them and have recommended them several times to family and friends."
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+6

Response time6 hrs
Response rate100%
5 neighbors recently requested a quote
Avatar for Buric Heating and Air Conditioning
Buric Heating and Air Conditioning
4.7(
20
)
Electric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - InstallGas Boiler or Radiator Heating System - Repair+20 more

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"The job went reasonably well. They completed it in a day and a half. The guys on site had a little trouble installing the high tech thermostat for the system, but their supervisor demonstrated real accountability when he showed up on a Saturday to make it right."
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+7

Response time8 hrs
15 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for McCrea Heating & Air Conditioning Services of MD
McCrea Heating & Air Conditioning Services of MD
4.5(
318
)
Electric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Repair+18 more

Serving Ellicott City, MD and surrounding areas

Approved

In business since 1936

Free estimates

Emergency services offered

"I couldn't be happier with the service I received from McCrea Heating and Air Conditioning Services of Maryland. Upon returning from vacation on a 100 degree July day, I found my old HVAC system basically dead (90 degrees in my kitchen!) ... Shane immediately came out to provide an estimate, we signed a contract on the spot, and he kindly provided some freon to hold me over until the new system could be installed. Brian and Nick showed up exactly on time to install the unit, used drop cloths to protect my flooring, and were exceedingly polite and professional throughout. I'd highly recommend this organization."
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6 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Edwin's Air Conditioning & Heating, LLC
Edwin's Air Conditioning & Heating, LLC
4.9(
28
)
Electric Furnace / Forced Air Heating System - RepairGas Furnace / Forced Air Heating System - RepairHeat Pump - Repair or Service

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"Called Edwin on a Sunday afternoon for a broken furnace on a cold day. He quickly called back and gave an hour window to come by the house and was on time. Quickly found the culprit and charged us the quoted price. Very professional and respectful. Recommend!"
Response time2 hrs
Response rate90%
Recommended by96%of homeowners
Avatar for ARS of Maryland
ARS of Maryland
4.2(
183
)
Gas Furnace / Forced Air Heating System - InstallHeat Pump - Install or ReplaceElectric Furnace / Forced Air Heating System - Install+3 more

Serving Ellicott City, MD and surrounding areas

Approved (Corporate)

In business since 1945

Free estimates

Emergency services offered

"The technician was great. He explained what he was doing as he went along even though it was freezing outside. Checked my entire heating system to find the problem and replaced only the parts that were broken. Got my system back up and running in a little under two hours and was very pleasant and understanding when we asked him many questions and answered everyone so that we understood him. Thank you so much for your professional manner and courteousness. Got my hearing system to stop running in emergency mode and back to normal heat. Thanks"
New System Installation
140 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for Supreme Service Today
Supreme Service Today
4.4(
475
)
Gas Furnace / Forced Air Heating System - RepairHeat Pump - Repair or ServiceGas Boiler or Radiator Heating System - Repair+3 more

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Bought the Big Deal HVAC & Heating inspection to have the system checked. Supreme Air reached out the next day to schedule and was able to fit us in the same week. Chris called 30 minutes prior to arrival and within the scheduled window. Without having to ask, used shoe booties. Chris inspected and checked both systems along with inside & outside equipment. Spotted several small issues along with identifying the AC having low R-22. Was provided a quote for the repairs and notified they could complete the same day. There was an immediate difference in the cooling. Cannot say thank you enough. Chris is awesome."
Response time1 day
Response rate100%
51 neighbors recently requested a quote
Avatar for Strive Heating & Cooling, LLC
Strive Heating & Cooling, LLC
4.9(
26
)
Ducts & Vents - Install or ReplaceGas Furnace / Forced Air Heating System - InstallHeat Pump - Install or Replace+7 more

Serving Ellicott City, MD and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Excellent service! We needed a new system desperately, and since Strive provides financing, it made our choice that much easier. Everyone was very polite, friendly, professional and helpful. They got us on the schedule quickly, during what was becoming a hectic period for them, and got the install done promptly and professionally. We highly recommend Strive for your heating and cooling needs, and we look forward to working with them in the future!"
Trane high efficiency Tam9 air handler
Trane Xr14 heat pump
Trane Xr14
Goodman furnace and air conditioning replacement
Goodman furnace and air conditioning replacement

+15

Response time1 day
5 neighbors recently requested a quote
Recommended by95%of homeowners
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FAQs for furnace / forced air heating system install or replace projects in Ellicott City, MD

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 Ellicott City, MD 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.