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TRUSTED BY CORNELIUS, OR HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon1.4k+
    Verified heating and air conditioning services reviews

Find Heating and air conditioning pros in Cornelius

Avatar for Aviator Heating & Cooling
Aviator Heating & Cooling
4.9(
72
)

Serving Cornelius, OR and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"We called several HVAC companies for our ductless mini split, but Aviator was the only one that responded quickly. They fixed the issue the next day and saved us from replacing the whole system. Excellent service!"
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+38

1 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for Integrity Air, LLC
Integrity Air, LLC
4.8(
237
)

Serving Cornelius, OR and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

"Excellent service. Jace not only helped me with this but also with other options to consider in the future one it is time to replace our existing forced air furnace. He was very knowledgeable and took the time to answer all my questions. And the cost was lower than other HVAC companies quoted us for the same equipment. Will definitely use them again for any future HVAC needs."
New Gas Furnace
Venting and Duct Work
Old Furnace
Duct Work
Gas Furnace Replacement 1

+1

Response time7 hrs
Response rate87%
15 neighbors recently requested a quote
Avatar for Better Air Northwest
Better Air Northwest
4.9(
924
)

Serving Cornelius, OR and surrounding areas

Approved

In business since 2009

Emergency services offered

Warranties offered

"Extremely well. The house was a rental and the previous tenants had a Golden Retriever dog (long hair). The ducts were clogged with dog hair. The crew arrived on time and went right to work vacuuming every duct and the HVAC unit."
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What we have pulled out of ducts
Before we did the cleaning
Better Air Northwest Owners
Better Air Northwest Team

+2

Response time2 days
Response rate100%
4 neighbors recently requested a quote
Avatar for Elevate Heating & Cooling, Inc
Elevate Heating & Cooling, Inc
5.0(
31
)

Serving Cornelius, OR and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

"Chase arrived on time and did a great job. He explained all that he was doing. Will definitely use him again for our HVAC needs and would highly recommend"
New system!
Adding A/C to existing ductwork
replaced this coil
getting ready to install a new furnace
Pre-inspection

+6

Response time6 hrs
Response rate89%
17 neighbors recently requested a quote
Avatar for Columbia NW Heating & Cooling Inc
Columbia NW Heating & Cooling Inc
4.5(
86
)

Serving Cornelius, OR and surrounding areas

Approved (Corporate)

In business since 1989

Free estimates

Emergency services offered

"I was really delighted with the amazing quality of the installation work. The work included breaking through concrete to re route the duct work so that the furnace could be installed in the garage instead of the crawl space. Their work was phenomenal. Most of the other HVAC companies would not tackle this job because it was so extensive, requiring this work with the concrete as well as doing a roof penetration to exhaust the new furnace. the workers were extremely professional and clean. These are the folks to call if you have a complicated retrofit furnace and AC need."
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+52

Response time6 hrs
Recommended by85%of homeowners
Avatar for Revival Energy LLC
Revival Energy LLC
4.7(
615
)

Serving Cornelius, OR and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Beyond excellent. Found out our shops HVAC was out, mind you it’s already 2 pm and pushing 90 degrees outside. Contacted Revival Energy and within an hour, a repair man was addressing the issue. He was able to fix the problem with the upmost kindness and professionalism, all while maintaining social distancing. Definitely saved the day for the shop. 11/10 would recommend."
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+19

Response time1 day
Response rate100%
7 neighbors recently requested a quote
Avatar for Columbia Heating & Cooling LLC
Columbia Heating & Cooling LLC
4.4(
76
)

Serving Cornelius, OR and surrounding areas

Approved

In business since 1981

Free estimates

Emergency services offered

"Very pleasant experience. Punctual and professional. It would have been helpful to know the amount of noise that putting in a new furnace causes, I would have rescheduled some of my business activities, but the job was done well. Duct work was brought up to code and passed inspection. However at my home, there was an issue passing the inspection. They did not vent the air conditioner adequately. When we failed the inspection, they came out on that very day and corrected the problem. There was/is the inconvenience of a second inspection."
Gas Furnace
Gas Furnace
5 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Oregon Heating & Air Conditioning, LLC
Oregon Heating & Air Conditioning, LLC
4.8(
106
)

Serving Cornelius, OR and surrounding areas

Approved

In business since 1990

Emergency services offered

Credit card accepted

"It was really a great experience from the very beginning. I found them online, on an advertisement on my phone. I clicked on the ad, which led me to their website. I filled out the contact form and within 2 hours someone called me to make an appt. They explained over the phone that it would be an "arrival window" of 3 hours, and I was expecting something like that. They called this morning to let me know they were on their way, which I thought was very nice. The technician, Dave, arrived at the very beginning of their "arrival window", which was also nice. The technician arrived in a nice, professionally lettered company van, which I appreciate. You'd be surprised how many companies DON'T do that. Dave was in a nice uniform, seemed clean-cut and pleasant. I showed the him around to where my furnace, thermostat and A/C unit were and left him to do his thing. All I had requested of them was a tune-up and just a once-over on both the furnace and the A/C unit. Just some preventative maintenance, so that we wouldn't have any problems [that could have been prevented] this winter with the furnace or next spring when we went to turn on the A/C unit. He did find some things that needed replaced and cleaned out with our A/C unit and said he was surprised to hear it was still working well. It would have probably failed next season if we hadn't have had him out to fix these problems. There wasn't much wrong with our furnace, but I was glad he checked it out. He replaced our screens in our furnace. That was cool that this was included as part of the service call. He also stayed and talked with me for 5-10 minutes about the age of my furnace, what to keep an eye out for, and how much longer I should expect it to last. That was very nice and I could tell he really knew his business well, which added to my confidence in this company. The service took about 90 minutes and I felt the price they charged was very fair. It was probably more than some companies charge, but I would rather have a really professional outfit for a little more money than save money and have a less professional company. So to me, the rate I paid was a good value. I was just impressed all the way around with this company and with Dave. I'd recommend this company to anyone looking for HVAC work. They are a professional outfit, all the way down the line.
"
Additional Photos
34 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for HomePro Heating + Air
HomePro Heating + Air
5.0(
11
)

Serving Cornelius, OR and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Excellent service! Fast, honest, knowledgeable, and affordable. They were quick and efficient with my HVAC needs and treated my home with respect. Highly recommend!"
Furnace repair
Barclay st
New het pump install
System Diagnostic
Response time8 hrs
Response rate100%
7 neighbors recently requested a quote
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Showing 1-10 of 273
Heating and Air Conditioning questions, answered by experts

Air conditioners and dehumidifiers are actually quite similar, though they perform different jobs. Dehumidifiers reduce moisture in the air, while air conditioners work to cool the home. A good central AC unit will naturally perform a certain level of dehumidification due to its design, but it will not be able to handle excessive levels of moisture.

Yes, a mini split AC system can replace central air—and quite easily, too. Since mini splits don’t require ductwork, homeowners can convert their central air system to a mini split to save money and energy. Consult with an HVAC professional to learn more about the process of replacing your central air with a mini split.

Your heating and cooling systems cost you the most on your electric bill and make up 50% of your bill on average. Your washing machine, dryer, oven, and stove contribute significantly to your electric bill as well. Lights, fans, and smaller electronics add up, but aren’t the biggest energy consumers. You can reduce your power usage by setting optimal temperatures on your thermostat and investing in energy-efficient appliances.

Whether an HVAC damper should be open or closed depends on the season, the zone it controls, and the temperature in that zone. In the summer, open upstairs dampers and close lower-level dampers to get the most efficient cooling possible. In the winter, do the opposite. Cool air will naturally flow down to lower levels, while warm air will rise. This keeps your system from working harder and helps prevent common AC problems.

When your HVAC system is loud, a few different causes are possible. If you have loose connections or bolts in the hardware, they can rattle as the system runs and vibrates. If you have an extremely dirty furnace filter, it could cause the system to generate noise. More commonly, an excessively loud HVAC system indicates a malfunction in the system. You may have a blower motor that is close to failing or a compressor that is breaking down. These issues require an immediate inspection.

The Cornelius, OR homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.