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

Avatar for A Maynor Heating and Air Conditioning, Inc.
A Maynor Heating and Air Conditioning, Inc.
4.9(
107
)
Electric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - RepairOil Furnace / Forced Air Heating System - Install+43 more

Serving Smithfield, NC and surrounding areas

Approved

In business since 1996

Free estimates

Warranties offered

"I highly recommend Apex-based "A. Maynor Heating & A/C", who replaced my furnace and the entire central air conditioning system (outside condenser unit, inside evaporator coil, and new refrigerant lines) on 7-17-2020 at my Cary house. I also had them install the new outside condenser unit on the opposite side of the house (where it's in the shade, able to operate more effectively) compared to where the original condenser was (in the direct sun). All of their personnel were very competent, polite, prompt, and a pleasure to interact with, from Christy & Tammy in the office, to Carlos & Louis who performed the initial inspection & diagnosis of the original system that had failed, to Norm who performed the house "load calculation", recommended the appropriate new system, and who (since he's a licensed electrician) modified the wiring at the electrical panel as needed for the new condenser location, to Ramon & Christian who performed the new installation, and to Robert who performed the post-installation check and installed a new condensate pump."
Additional Photos
Additional Photos
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Response time1 day
10 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Affordable Heating and Air
Affordable Heating and Air
4.5(
187
)
Gas Furnace / Forced Air Heating System - RepairHeat Pump - Repair or ServiceOil Furnace / Forced Air Heating System - Repair+1 more

Serving Smithfield, NC and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

"Worked until late late into the the evening the prior evening trying to install my ecobee voice thermostat. Wrong, and missing tools. Do with 30 degrees outside, and an unhappy wife inside. I decide to try again thenext day. Called for help, left VM around lunch time. Craig called back to say he would try to get by before end of daybut, it is late, and he is on the other side of Raleigh. (New Year's Eve Tomorrow) Cold again tonight. Craig calls later, on his way, after much tribulation, gets the thermostat working, and I offer to program so that he can go home to his family. He refuses, until the job is finished, and working properly. A few bumps in the programming, so glad he stayed around! Excellent Customer Service. I am so grateful. About 30 hours later, and the system is performing beautifully."
Response time4 hrs
6 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Landen Heating and Cooling, Inc.
Landen Heating and Cooling, Inc.
4.5(
179
)
Gas Furnace / Forced Air Heating System - RepairHeat Pump - Repair or ServiceGas Furnace / Forced Air Heating System - Repair - For Business+1 more

Serving Smithfield, NC and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Free estimates

Emergency services offered

"Moved into a new home with 3 AC units, unfortunately they were not working/not working well. They were able to come up with a solution to replace/repair to get all 3 units up and running before the heat. They did not stop work until I was 100% taken care of. Communication was impeccable."
LandenAir, LLC
Unit Replacement
Response time7 hrs
53 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Thermo Direct, Inc.
Thermo Direct, Inc.
4.4(
351
)
Gas Furnace / Forced Air Heating System - InstallHeat Pump - Install or ReplaceFurnace / Forced Air Heating System - Install or Replace

Serving Smithfield, NC and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Free estimates

Emergency services offered

"My new Trane heat/a.c. Is up and running. More helpful would be reviews on how things are working two, three years down the road. Also they did a bait and switch on me. I thought I was buying a Trane thermostat but they installed an inferior product. Repeated emails to fix the problem have been ignored."
Daikin Unit
Install in Raleigh
Install in Raleigh
Ductwork Install in Raleigh
Install in Raleigh

+34

Response time6 hrs
59 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Dominion Service Heat and Air
Dominion Service Heat and Air
4.1(
183
)
Gas Furnace / Forced Air Heating System - RepairHeat Pump - Repair or ServiceElectric Furnace / Forced Air Heating System - Repair+8 more

Serving Smithfield, NC and surrounding areas

Approved

In business since 1994

Emergency services offered

Warranties offered

"Dominion Services did a great job installing our new HVAC system. They worked with us to help determine the best system for our home and budget. Excellent and friendly service, install and follow-up. Superb customer service and at a great price. I recommend them for all your HVAC needs."
Homeowner
new hvac install
A/c unit
furnace
heat pumps

+7

Response time3 hrs
22 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Parker and Company Heating and Air
Parker and Company Heating and Air
4.4(
19
)
Electric Furnace / Forced Air Heating System - InstallDucts & Vents - Install or ReplaceGas Furnace / Forced Air Heating System - Install+8 more

Serving Smithfield, NC and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

"Excellent company! Honest and transparent prices. The owners are hands on and operate this business with integrity. Their technicians and installers are knowledgeable, professional and respectful. They replaced my complete HVAC system with recommended energy efficient equipment and even processed my Duke rebate for me. I cannot speak highly enough of this veteran owned company! Thank you!"
Gas Furnace Package Unit
Training our new technician to serve our clients.
Fall Tune Ups
Brand new Bosch for our valued customer
Fall Tune-Up's

+28

37 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for ARS / Rescue Rooter Raleigh
ARS / Rescue Rooter Raleigh
4.2(
249
)
Heat Pump - Install or ReplaceGas Furnace / Forced Air Heating System - InstallElectric Furnace / Forced Air Heating System - Install+3 more

Serving Smithfield, NC and surrounding areas

Approved (Corporate)

In business since 1976

Free estimates

Credit card accepted

"Benny Henry has exceptional knowledgeable of the job performance. He kept me informed with the details of his service. I was notified of the pros and cons of the condition of my system. He highly treated me and my house with upmost respect I will put in a request for his service again on my central heat and air."
New System Installation
412 neighbors recently requested a quote
Recommended by72%of homeowners
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FAQs for furnace / forced air heating system install or replace projects in Smithfield, NC

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 Smithfield, NC 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.