Serving Aloha, OR and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"Daniel was easy to talk to about our HVAC problems, worked quickly, and addressed all of our concerns. Would definitely approach Aviator Heating and Cooling again!"
+44
Serving Aloha, OR and surrounding areas
Approved
In business since 1990
Emergency services offered
Credit card accepted
"Great! Fair price (senior discount via Angies List), professional quote and installation; new Trane furnace and Honeywell thermostat working great. Recommended."
Serving Aloha, OR and surrounding areas
Approved
In business since 2014
Free estimates
Credit card accepted
"Just have to get used to the new furnace. "Ben" was nice enough to have the old air condition system removed without replacement, at my request. Customer service is very good."
+1
Serving Aloha, OR and surrounding areas
Approved
In business since 1995
Free estimates
Emergency services offered
"Air control systems work on time explained their process and proceeded to work quickly and most of all cleanly they left no mess while doing a good job they tookPictures of the process showing me before and after I would recommend them two others"
Serving Aloha, OR and surrounding areas
Approved
In business since 2008
Free estimates
Emergency services offered
"I used Revival in August 2017 to install a ductless heat pump in my 900 square foot home. Their crew was very professional, and everything was done efficiently and on time. There was some minor damage to the old lath and plaster wall, and as soon as I noticed and reported it to the sales team, they scheduled a repair crew to come out within days. I have another similar rental home that needs a heatpump this summer, and I've already called Revival to schedule them again."
+19
Serving Aloha, OR and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Credit card accepted
"Pure Air Control LLC has always provided high quality service for our heat pump, AC, and furnace. Their annual service process is efficient, thorough, and very reasonably priced. I've tried other companys in the past and pure air control is the best. Highly recommended."
+23
Serving Aloha, OR and surrounding areas
Approved
In business since 2018
Free estimates
Credit card accepted
"Chase, our Elevate service technician discovered a dangerous DIY install on the furnace. He explained everything in detail, repaired the damaged gas line, and prepared the entire air/heat system for winter. Aside from potentially saving our lives, he was kind enough to let me follow him around asking questions so I could learn how it all works. Thank you Chase!"
+6
Serving Aloha, OR and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"Had a 40 year old Lennox furnace that gave up the ghost. HomePro Heating + Air responded to a request immediately and within a amazingly fast removal in installation of my new furnace. The team was extremely polite and professional and respectful of my home. Price quoted was way better that I was expecting. If you are looking for a great team of professionals. Look no further. Thank you so much and Happy New Year! - Jan L."
Serving Aloha, OR and surrounding areas
Approved (Corporate)
In business since 1976
Free estimates
Small jobs welcome
HVAC, Plumbing, Electrical & Garage Door Services in the Portland Metro Area \n\nRoth Home has been serving homeowners since 1976 with expert heating, air conditioning, plumbing, electrical, and garage door services across the Portland Metro area and down to Salem. Our experienced technicians provide dependable solutions and responsive, professional care.\n\nTo make home comfort more accessible, we offer Upgrade financing options along with seasonal savings and special offers. Our team is here to help you find the right solution for your home and budget.\n\nBook online or call 503-673-6394 to schedule your service today.
+6
Serving Aloha, OR and surrounding areas
Approved
In business since 1981
Free estimates
Emergency services offered
"I was referred to Columbia Heating and Cooling through NW Natural. My furnace randomly stopped working (later found out it was because of a squirrel...) during some of the coldest nights we've had so far this winter. The tech showed up ahead of the scheduled time and was able to fix my furnace within 30 minutes. No complaints, and glad to have heat again."
Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.
Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.
Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.
Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.
Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.
From average costs to expert advice, get all the answers you need to get your job done.
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