
Serving Gresham, OR and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Free estimates
Emergency services offered
"Professional & friendly.. Fixed my furnace in 1/2 hour! Very happy. Will use them again!"






Serving Gresham, OR and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Free estimates
Emergency services offered
"Professional & friendly.. Fixed my furnace in 1/2 hour! Very happy. Will use them again!"





Serving Gresham, OR and surrounding areas
Approved (Corporate)
In business since 1989
Free estimates
Emergency services offered
"Connected with Columbia NW Heating & Cooling through a request to Home Depot for AC. I was impressed with the service and sales, as well as the crew. Very professional, punctual, and would answer any questions I asked. Lowest of two bids."





+52

Serving Gresham, OR and surrounding areas
Approved
In business since 1990
Emergency services offered
Credit card accepted
"Six years ago, a few days before Thanksgiving, my furnace died. Oregon Heating juggled existing appointments in order to find time to install a new one so I wouldn't have to be without heat during the cold winter days. They cleaned the house air ducts at the same time. All was done quickly, courteously, and professionally. I've continued to Oregon Heating for yearly furnace checkups, and their technician, Dave, is a delight: polite, personable, and patiently thorough in answering all my questions. I'm completely satisfied with this furnace. Thank you for your terrific product and staff!"


Serving Gresham, OR and surrounding areas
Approved
In business since 1992
Free estimates
Warranties offered
"I've used Service Now Inc for many years. Frank (the Furnace Whisperer) is fantastic! Not only do you get quality service but he provides useful education geared toward your safety. He really knows what he's doing. This company and Frank provide great honest service and it's great peace of mind to have them work on my heating & AC."





+22

Serving Gresham, OR and surrounding areas
Approved
In business since 2022
Free estimates
Emergency services offered
"Great to work with. I hired them to install a new heat pump and furnace. They won my business at the estimate stage with their ability to respond quickly, maintain a no pressure sales approach and clearly explain the tradeoffs between products and components. Installation was tricky due to design features in my home but they made it look easy and the process was super smooth. The new system is light years better than my old, and the furnace room looks super tidy. Thank you."





+6

Serving Gresham, OR and surrounding areas
Approved
In business since 1947
Free estimates
Emergency services offered
"We have used Millers for a number of years and have always received exceptional service. Two weeks ago out furnace stopped working and I called them and they sent a service technician, Chevon, to diagnose the problem. She was extremely knowledgeable and was able to diagnose the problem quickly. We decided to purchase a new high efficiency Lennox furnace. We waited 4 days for the install and during that time Chevon delivered 2 large space heaters to get us through until the install. Chevon went above and beyond to be sure we were taken care of. We highly recommend Millers."





+9

Serving Gresham, OR and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"Our AC stopped cooling, and we suspected there was a refrigerant leak somewhere in the system. We called Aviator Heating & Cooling, and Dan performed a thorough diagnostic using professional leak detection equipment. He was able to pinpoint the source of the leak, explain the issue clearly, and provide repair options without any pressure. We appreciated the honesty, professionalism, and attention to detail throughout the visit. If you're looking for an HVAC company in Portland that can properly diagnose refrigerant leaks and air conditioning problems, we highly recommend Aviator Heating & Cooling."





+44

Serving Gresham, OR and surrounding areas
Approved
In business since 1922
Free estimates
Emergency services offered
"Daniel came to do a yearly maintenance on my heat exchanger and heat pump. Everything was working great! He suggested I do a few things down the road. I will be scheduling a ductwork cleaning sooner than later. Everything is so expensive, I have to prioritize my needs. He was patient and not pushy"




Serving Gresham, OR and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"The guys at thermal heating and cooling were very professional and nice people! They did really good work and I would absolutely recommend them to friends, family or anybody looking for hvac work for a fair price!"

Serving Gresham, OR and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
When you choose Central Air Heating, Cooling & Plumbing's HVAC services, you can expect: \n\n- Fast, Same Day Service \n- Upfront Pricing with No Hidden Fees \n- 100% No Interest Financing - Money-Back Guarantee\n- Award Winning Technicians (840+ 5-Star Reviews) \n\nCall us today!\n\n





+7
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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