Serving Durham, ME and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Small jobs welcome
"Sam at Lakes Region HVAC was very attentive and professional. The heat pump installation was reasonably priced and completed quickly. Thanks, Sam!"
+5
Serving Durham, ME and surrounding areas
Approved
In business since 2021
Free estimates
Warranties offered
"Cam, David and crew were extremely professional and educational about the heat pump process and benefits. I went through several companies comparing offers and services and they stood out head and shoulders above the pack. I would recommend them to anyone looking for heat pump installation and services."
Serving Durham, ME and surrounding areas
Approved
Free estimates
Warranties offered
Small jobs welcome
"Josh installed a new water heater, provided us with instructions on proper use and maintenance and has serviced it since. He is honest, thorough, and trustworthy. He also maintains my dad’s HVAC needs too. He has come out for emergency calls too. Suggest things to prevent future additional repair expenses. His prices are reasonable, especially for the personal, friendly customer service and service provided. I would highly recommend Northwoods HVAC."
Serving Durham, ME and surrounding areas
Approved
In business since 2020
Free estimates
Warranties offered
"Love the ceiling application type of air"
+12
Serving Durham, ME and surrounding areas
Approved
In business since 2005
Free estimates
Warranties offered
"Able Trades installed a heat pump unit in our home. They were very professional and timely. Thank you for a job well done!"
+1
Serving Durham, ME and surrounding areas
Approved (Corporate)
In business since 1988
Credit card accepted
Heritage Home Service is a premier home service provider operating in New Hampshire, Massachusetts and Southern Maine. Bringing all the perks that come with having a large team while maintaining a strong focus on family-oriented service.\n\nOur namesake is about honoring those who came before us, and most importantly, it is about leaving a legacy of serving people extraordinarily well.\n\nFor over 37 years in business, we have helped countless families across our community stay comfortable and healthy in their homes, and today we continue to evolve and find new ways to serve you even better.
Serving Durham, ME and surrounding areas
Approved
Super Service Award Winner
In business since 2015
Free estimates
Emergency services offered
"Josh is professional, on time, and willing to do the extra mile to do the job right. He is up front and honest about pricing. Would trust him to repair or install anything if I needed it in the future."
+113
Serving Durham, ME and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"Mike was very pleasant and did a wonderful job painting my bathroom. Also put up some trim in entranceway. I have more work that needs to be done and will be calling him."
Serving Durham, ME and surrounding areas
Approved
In business since 2022
Free estimates
Credit card accepted
"Their work was really good. They were really good with communication, very professional, really pleasant to deal with."
Serving Durham, ME and surrounding areas
Approved
"Quick response we just could not come to terms."
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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