
Serving North Berwick, ME and surrounding areas
Approved
In business since 2001
Free estimates
Emergency services offered
"Tech was very friendly and told us exactly what he did and gave recommendations."





Serving North Berwick, ME and surrounding areas
Approved
In business since 2001
Free estimates
Emergency services offered
"Tech was very friendly and told us exactly what he did and gave recommendations."




Serving North Berwick, 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 Berwick, ME and surrounding areas
Approved
Super Service Award Winner
In business since 1932
Free estimates
Emergency services offered
"Best customer service and technicians. Stephanie, Lead Installation Coordinator, acts promptly in scheduling and keeps customers informed of updates. Ryan, Installation Technician, has been exceptionally knowledgeable in resolving both heating and air conditioning issues. Highly recommend Palmer Gas & Oil Nancy R"





+11
Serving North Berwick, ME and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Free estimates
Small jobs welcome
"Eric moved a junction box in my attic and installed a new ventilation fan in our bathroom. He was prompt to respond to my request, did great work, and cleaned up all areas afterwards. Price was great as well. I will hire him again."

Serving North Berwick, 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 North Berwick, ME and surrounding areas
Approved (Corporate)
In business since 1988
Free estimates
Emergency services offered
"Proactive Comfort (aka Harry Wells) has been great to work with. They are very responsive; dependable; and reliable. I would highly recommend them."





+16

Serving North Berwick, 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 Berwick, ME and surrounding areas
Approved
In business since 2000
Free estimates
Credit card accepted
Affordable Comfort, LLC is a full service HVAC company. We handle both residential and commercial jobs. Our punctuality and customer satisfaction is second to none. Give us a call today for your free estimate.
Serving North Berwick, ME and surrounding areas
Approved
Warranties offered
Small jobs welcome
Credit card accepted
I have 16 years of experience in HVAC and 6 years with my own company.
Serving North Berwick, ME and surrounding areas
Approved
My name is Kenroy. I own K&K Cleaning LLC. We offer cleanings services for industrial buildings, corporate offices and more. I take a lot of care with the work I do and I pride myself in providing the best services to my clients. Call me for all your needs and I’d be happy to help.
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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