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

Avatar for Product Air Heating & Cooling, LLC
Product Air Heating & Cooling, LLC
4.8(
300
)
Gas Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - RepairHeat Pump - Install or Replace+4 more

Serving Mount Vernon, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Emergency services offered

"I got prompt service when I called to have my furnace serviced & to inquire about completing installation of air conditioning. I found out my electrostatic filters were not working, so I will use disposable air filters until I need to replace my furnace. At that time, I will probably go with a heat pump system. Eli is a very nice young man who explained everything to us to help us make decisions regarding our heat and air filtering system. Would hire again!"
Installed new system
Finished product
During installation
Of system
Finished project

+11

Response time2 days
Response rate89%
77 neighbors recently requested a quote
Avatar for Prince Mechanical, LLC
Prince Mechanical, LLC
4.9(
17
)
Ductless Mini-split Heating System - Install or ReplaceDucts & Vents - Install or ReplaceElectric Furnace / Forced Air Heating System - Install+6 more

Serving Mount Vernon, WA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Excellent service, very responsive, great price. We had a big job putting in a new furnace, heat pump. and ventilation system through the whole house with some crawl space issues. They worked through all issues with us and were quick on the installation helped with all questions and did some extra work taking out the old baseboard heating system."
ductless
hanging on wall
Response time9 hrs
Response rate87%
1 neighbors recently requested a quote
Avatar for Smart Electric, Heating & Air
Smart Electric, Heating & Air
4.9(
79
)
Gas Furnace / Forced Air Heating System - InstallElectric Furnace / Forced Air Heating System - InstallDuctless Mini-split Heating System - Install or Replace+10 more

Serving Mount Vernon, WA and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"Working with Smart Electric, Heating & Air was VERY easy. Joe was very easy to work with in creating the bid with just a few pictures, scheduling the work, and keeping me up to date throughout the process. Jason, the lead installer for my specific job was wonderful around communication on how things work, and how they would operate in the space. Jason and his team did a great job with the install, even through some hiccups. I absolutely plan to continue to do business with Joe and his team. Thank you for a job well done!"
11 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for THE JANES COMPANY, INC.
THE JANES COMPANY, INC.
5.0(
6
)
Gas Boiler or Radiator Heating System - RepairRadiant Floor Heating System - InstallGas Boiler or Radiator Heating System - Install+11 more

Serving Mount Vernon, WA and surrounding areas

Approved

In business since 1990

Free estimates

Warranties offered

"Jane's replaced my 20-year old Munchkin boiler with a super efficient, modern Rinnai. Everyone was a joy to deal with. Service was excellent. Darian, who scheduled and arranged the replacement, and Greg and Oscar (who did the work) were fantastic. Excellent service, especially since I live on Lopez Island, which is not easy to get to. Competent, good-natured, hard-working, nice folks."
Boiler installation
Bellingham Boiler Upgrade
23 neighbors recently requested a quote
Avatar for West Mechanical, Inc.
West Mechanical, Inc.
4.3(
120
)
Gas Furnace / Forced Air Heating System - InstallHeat Pump - Install or ReplaceDuctless Mini-split Heating System - Install or Replace+11 more

Serving Mount Vernon, WA and surrounding areas

Approved

In business since 1976

Free estimates

Emergency services offered

"I appreciated that the company rep did a wonderful job explaining the workings of a heat pump. His explanation made it easy for me to decide to change to a heat pump from my tried and true (and old) gas wall heater. I appreciate the installers, the electricians, and the followup by the company rep after the installation. Love my quiet warm air! I highly recommend West Mechanical!"
Project
Project
Project
Project
Project

+5

Response time1 day
85 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Airpro Genius LLC
Airpro Genius LLC
5.0(
16
)
Gas Furnace / Forced Air Heating System - RepairElectric Furnace / Forced Air Heating System - RepairHeat Pump - Repair or Service+1 more

Serving Mount Vernon, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Credit card accepted

"Airpro Genius was very professional and provided quality work. They responded quickly, diagnosed the problem and offered multiple options to correct our thermostat problem. They were very respectful of our home while working and after completing the work completed multiple tests to ensure our problem was taken care of. I will definitely be using Airpro Genius in the future."
Response time1 day
Response rate93%
2 neighbors recently requested a quote
Avatar for Cool Heat 365, LLC
Cool Heat 365, LLC
3.9(
46
)
Ductless Mini-split Heating System - Install or ReplaceGas Furnace / Forced Air Heating System - InstallHeat Pump - Install or Replace

Serving Mount Vernon, WA and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

"The Cool Heat 365 installed the furnace and AC recently in my house with great service and good price, just in time for another heat wave coming to Seattle. I had very good experience working with them and highly recommend this company. Rusty, the owner, is professional and nice person to work with. He clearly explains the products/services and pricing. He is not rushing and pushing. I get the everything I need to know and make my own decision on which offer to take. Carlos and Carlos Jr. are a pair of father & son teammates who did the installation. They are knowledgeable and nice and easy. They are responsive, good at explaining the process and did quality job. They patiently tested out both AC and Furnace and make sure they function as expected. At same time, answer my “endless” questions. It’s the 3rd day after installation. So far so good … AC runs smoothly. We feel much comfortable inside the house with outside temperature reaching to 90. I feel confident that we can depend on Cool Heat 360 anytime we need their professional service in the future."
Diakin Pro Dealer
Response time5 hrs
Response rate88%
Recommended by66%of homeowners
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FAQs for furnace / forced air heating system install or replace projects in Mount Vernon, WA

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 Mount Vernon, WA 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.