Serving Marylhurst, OR and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"Our ductless mini split quit cooling, and Aviator had it running again within 24 hours. The technician explained everything clearly and treated our home with respect. Highly recommend them for heat pump repairs."
+38
Serving Marylhurst, 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 Marylhurst, OR and surrounding areas
Approved
In business since 1992
Free estimates
Warranties offered
"They did a great job. From the estimate visit to explaining the costs and work and options to choose from. Also, they were quick to get on the job. They were very punctual and worked straight through 2 days to get the air conditioner installed. It required extra work because they needed to rearrange the furnace, all of which was explained to me in the estimate. The final price was exactly what they quoted me and there were no surprises. The technicians, Matt and Hudson were friendly and professional and hard working. I will be calling them to do the annual maintenance. So, thank you Angi for helping me find them."
+22
Serving Marylhurst, OR and surrounding areas
Approved
In business since 1981
Free estimates
Emergency services offered
"They installed a furnace last year and an AC tune-up this year. It worked out well."
Serving Marylhurst, OR and surrounding areas
Approved
In business since 2008
Free estimates
Emergency services offered
"After an energy audit which was very informative and helpful, we moved ahead with attic insulation/sealing that we found let our home internal temperatures to raise by 2 degrees. The manual furnace damper allowed us to adjust the flow of the furnace output to equalize the temps in each area of the home. Our house had very defined cold spots, and now the rooms are able to be heated to the same temp throughout the home, even with the recent cold spell. We are very grateful for their expertise and their staff and workers were very responsive."
+19
Serving Marylhurst, OR and surrounding areas
Approved (Corporate)
In business since 1989
Free estimates
Emergency services offered
"It went extremely well. Punctuality was perfect. Paying attention to details was perfect. Knowledge and professionalism were perfect. The price was competitive. We interviewed 5 different providers. Ultimately, Columbia seemed to stand out best. We tried it, and we were quite happy with the choice. The service cost was for two independent air conditioner systems ( we have a large, long house), and one new furnace."
+52
Serving Marylhurst, OR and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"Home Pro Heating and Air did an excellent job fixing my A/C. From the moment I called, they were professional, responsive, and straightforward. The technician arrived on time, diagnosed the issue quickly, and explained everything in a way I could understand. The repair was done efficiently, and my air conditioning has been running perfectly ever since. Their pricing was fair, and the level of service was outstanding. It’s rare to find a company that’s both honest and highly skilled, but Home Pro proved to be both. I’m extremely satisfied and would absolutely recommend them to anyone needing HVAC work."
Serving Marylhurst, OR and surrounding areas
Approved
In business since 1995
Free estimates
Emergency services offered
"This is the second time that I used Air Control Systems for installing new AC. Mark gave me the lowest price among several bids while providing outstanding service. I highly recommend them without reservation."
+1
Serving Marylhurst, OR and surrounding areas
Approved (Corporate)
In business since 2003
Free estimates
Emergency services offered
"Installers arrived on time and did a very good job. They listened to my concerns and went out of their way to address them. Price quote for the Byrant Air Conditioner unit was $1,400 LESS than the comparable Carrier brand unit."
Serving Marylhurst, OR and surrounding areas
Approved (Corporate)
In business since 1976
Free estimates
Credit card accepted
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 (971) 236-4132 to schedule your service today.
+6
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.
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