Serving North Yarmouth, ME and surrounding areas
Approved
In business since 2001
Free estimates
Emergency services offered
"They were great! Told me I did not need a new furnace that the one I had was one of the best and in goid condition. Saved me thousands!"
Serving North Yarmouth, ME and surrounding areas
Approved
In business since 2001
Free estimates
Emergency services offered
"ok. pricing flaky and high"
Serving North Yarmouth, ME and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"Repairs were excellent and thorough "even well documented". The tech found units low on coolant. He identified and repaired multiple refrigerant leak points. I have dealt with many HVAC contractors over the years and Freedom Air Mechanical is one of the best. I highly recommend."
+36
Serving North Yarmouth, ME and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Small jobs welcome
"Lake regions HVAC did an excellent job installing 5 different heads and two condensers, which work great months later. Took him about 6 days and was super communicative, friendly and professional. Very cost effective for prices in the area as well."
+5
Serving North Yarmouth, ME and surrounding areas
Approved
In business since 2021
Free estimates
Warranties offered
"Incredibly professional, always happy to answer questions. Unlike other places that install and you never hear from again, Cam, David, and crew make sure your heat pump stays in tip top shape with yearly cleanings. They even offered to clean a unit that another contractor put in a year prior who refused to come clean it. I got quotes from over 8 different companies for my second heat pump, and Heat Pumps of Maine were a clear step above the rest."
Serving North Yarmouth, ME and surrounding areas
Approved
In business since 2020
Free estimates
Warranties offered
"Love the ceiling application type of air"
+12
Serving North Yarmouth, ME and surrounding areas
Approved
Free estimates
Warranties offered
Small jobs welcome
"The technician that came out was amazing, nice and really knew his stuff. Everything looked very professional."
Serving North Yarmouth, ME and surrounding areas
Approved
In business since 2002
Small jobs welcome
Customers say: True professional
"Mike was very timely in his response and meticulous in the installation of our microwave. He is professional and knowledgeable. Having coming back for more of our electrical projects."
Serving North Yarmouth, ME and surrounding areas
Approved
In business since 2024
Free estimates
Credit card accepted
We are extremely passionate about the work that we do. You can depend on us to provide a high quality service at a fair and honest price. We understand that the future of our business depends upon our reputation and that is why customer service is by far our highest priority. If you are looking for a professional you can trust, please call today to schedule a no-obligation estimate!
+1
Serving North Yarmouth, ME and surrounding areas
Approved
In business since 2005
Free estimates
Warranties offered
"Matthew and his crew were extremely professional and efficient. The work was completed on the day scheduled and they cleaned up after themselves. Heat pump works great and they were able to direct me to an Effeciency Maine site where I received a substantial discount on the installation, equipment and cleaning plan!! Great company to do business with and will recommend them to family and friends. I will definitely not hesitate to use this company again if the need should arise!!"
+1
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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