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

Avatar for Home Heating & Cooling
Home Heating & Cooling
4.7(
235
)
Gas Furnace / Forced Air Heating System - InstallHeat Pump - Install or Replace

Serving Sisters, OR and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"I hired this company to replace my old furnace and install a new AC unit, and I am very happy with their service. The heating system is much more efficient and comfortable now. I canâ t wait to enjoy the cool air from the AC this summer."
Aprilaire Air Cleaner
Special ducting
Horizontal in Attic
getting bigger
ask bout it.

+6

Response time2 days
17 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for HEAT COOL
HEAT COOL
4.8(
14
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+43 more

Serving Sisters, OR and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Seven of us arrived at the house from Portland on Christmas afternoon and there was no heat. Understandably, it took 3 phone calls but a repairman came at 10:30 pm (on Christmas!) and tweaked something to give us temporary heat until a new furnace could be installed a few days later. They even brought a few space heaters over the following day just in case the short term fix didn't work. Installation went well and we have heat!"
This new heat pump is getting some shelter from the winter rain and snow, with some rain gutters above it.
High-efficiency Goodman heat pumps provide heating and cooling year-round.
High-efficiency heat pump!
East wing old equipment
New 4 ton Daikin. 10' off the ground, with the branch box still exposed. Lots of refrigerant lines..

+68

Response time1 day
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Roth Home
Roth Home
4.6(
503
)
Ducts & Vents - Install or ReplaceThermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Sisters, OR and surrounding areas

Approved (Corporate)

In business since 1976

Free estimates

Credit card accepted

Keeping Your Home Comfortable Since 1976. \nAir Conditioning Service in Portland & Central Oregon. \nSee Why We're the #1 Rated HVAC Company in Oregon. \nIf you are looking for expert heating and cooling system services in Portland or Central Oregon, look no further than Roth Home. We're the best HVAC company in Portland and communities across Multnomah, Clackamas, and Washington County. \n \nIf our cooling system services aren't immediately accessible within your means, we also offer GreenSky financing options for our customers. You deserve to have a cool space to retreat to during warmer weather. We also provide valuable savings offers on our website. \n \nLet our heating and air conditioning experts at Roth help you find a system that fits your home and budget. For more information about our savings offers or special financing options, please call 503-673-6394 today. \n \nBook online or call us to schedule an appointment.

My jobs
My jobs
My jobs
My jobs
My jobs

+10

21 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Central Oregon Heating, Cooling, Plumbing & Electrical
Central Oregon Heating, Cooling, Plumbing & Electrical
5.0(
7
)
Gas Furnace / Forced Air Heating System - RepairElectric Furnace / Forced Air Heating System - Repair

Serving Sisters, OR and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Leon arrived on the very morning we called. He gave us a 20 minute heads up for his arrival and he was right on time. He quickly set up and evaluated our system and fixed the problem. He reviewed everything with us including sharing photos. He made a few easy suggestions to ward off future issues. Overall, Leon was very knowledgeable and pleasant. The price was great and we feel like Central Oregon Heating and Cooling has our backs for keeping our systems running at their best."
AC Installation
Emergency HVAC Services
HVAC Maintenance
AC Installation
COH Team

+5

Response time10 mins
Response rate100%
12 neighbors recently requested a quote
Avatar for All Systems Electric, LLC
All Systems Electric, LLC
4.2(
7
)
Electrical Baseboard or Wall Heater - Install

Serving Sisters, OR and surrounding areas

Approved

In business since 2004

Warranties offered

Small jobs welcome

All Systems Electric LLC is the premier professional contracting company offering a wide variety of residential, service, and commercial electrical services to our clients in Central Oregon. We are known to pay exquisite attention to detail while making your satisfaction our number one priority.\n\nPlease call us today to schedule your appointment.

Response time2 days
Recommended by14%of homeowners
All Systems Electric, LLC
4.3(
2
)
Electrical Baseboard or Wall Heater - Install

Serving Sisters, OR and surrounding areas

Approved

In business since 2004

Offers commercial services

Customers say: Quality work

All Systems Electric LLC is the premier professional contracting company offering a wide variety of residential, service, and commercial electrical services to our clients in Central Oregon. We are known to pay exquisite attention to detail while making your satisfaction our number one priority. \n \nwww.ASEBEND.com \n \nPlease call us today to schedule your appointment.

1 neighbors recently requested a quote
Recommended by50%of homeowners
Pyramid Heating & Cooling
5.0(
3
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+43 more

Serving Sisters, OR and surrounding areas

In business since 2004

Free estimates

Emergency services offered

"Excellent. Came quick when others said they were booked for two weeks Price was very affordable and they were willing to work with me if needed. I was afraid I needed a new furnace. Best customer service in years."
Response time4 days
Recommended by100%of homeowners
Avatar for North Alabama Technical Services
North Alabama Technical Services
4.9(
124
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+43 more

Serving Sisters, OR and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"I was having a problem with MS Office not responding and other files being very, very slow to open. Jim started looking for the cause right away. He did numerous checks for viruses, malware, and various other things that can go wrong. He vigorously pursued a resolution pretty steadily for two days before determining it was a malfunctioning external backup system that was causing the problem. With that finding, he promptly got my computer running smoothly and very fast again. He made two trips to my house; on the first one, he had to cross a sheet of ice in my driveway. Jim is a very capable and experienced computer analyst that will get after your problem because he fully understands the importance of, and the need to have a working computer in the house.
"
2014 Super Service Award Winner!
Additional Photos
Recommended by97%of homeowners
Showing 1-10 of 48

FAQs for furnace / forced air heating system install or replace projects in Sisters, OR

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 Sisters, OR 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.