Serving Raynham, MA and surrounding areas
Approved
In business since 1999
Free estimates
Customers say: Quick response
"Rick responded quickly and had my air conditioning working efficiently in no time. Good professional service!"
Serving Raynham, MA and surrounding areas
Approved
In business since 2017
Free estimates
Credit card accepted
"We had a central air conditioning unit replaced. Chris was quick to respond via text message. He arrived exactly at the time he said he would, completed the job in less time than expected, ensured the unit was functioning properly before he left. He additionally offered tips and tricks for yearly maintenance on the unit. He was friendly, courteous, and reliable. We would definitely recommend him in the future."
Serving Raynham, MA and surrounding areas
Approved
In business since 1983
Free estimates
Warranties offered
"Installed a ductless minisplit for three rooms in my house. The work quality was superb. Would definitely recommend them to anyone looking for this kind of work."
+23
Serving Raynham, MA and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
"Dylan is very reliable and knowledgeable. He has provided plumbing services many times for us and I wouldn't use anyone but him. The service is exceptional and pricing is extremely fair. I highly recommend Venture Mechanical for any plumbing, heating, or air conditioning needs that you may have."
+27
Serving Raynham, MA and surrounding areas
Approved (Corporate)
In business since 1946
Free estimates
Emergency services offered
"Went very well. Tech gave great information on the condition of my unit. As well as provided guidance for upcoming repairs that may be needed."
+6
Serving Raynham, MA and surrounding areas
Approved
In business since 1980
Free estimates
Emergency services offered
Endless Energy is a trusted local HVAC and Plumbing Company servicing the majority of the state of Massachusetts with office in Marlborough, Needham, and Randolph. Specializing in Heat Pumps, Central AC, Furnaces, and Boilers, we have Master Plumbers, Electricians, and HVAC Technicians all under one roof reducing your need to find multiple contractors! We are also a Mass Save partner and can conduct your no cost Mass Save Home Energy Assessment and install any recommended insulation.\n\nWe can help you with: \n*Heating Repairs, Installation, & Service\n*AC Repairs, Installation, & Service\n*Plumbing Repairs, Installation & Service\n*Water Heater Replacement & Service\n*Indoor Air Quality Solutions\n*Ductwork & Line Set Solutions\n*Electrical Panel Upgrades and Replacement\n*Insulation \n*No Cost Home Energy Assessments\n\nA Mass Save certified contractor with an A+BBB rating. All of our skilled technicians undergo an extensive background and drug screening prior to being hired to our team!
Serving Raynham, MA and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
"Had a great time working with Nolan from Glacier Heating & Air Conditioning. Reliable, dependable, and trustworthy. Great response time as other companies had me waiting much longer."
Serving Raynham, MA and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Eddie was responsive, professional, and efficient. He was able to come same-day and solve our problem with parts he had on-hand. Our A/C was back up and running within an hour of his visit."
+15
Serving Raynham, MA and surrounding areas
Approved
Super Service Award Winner
In business since 2001
Emergency services offered
Customers say: Quick response
"The AC maintenance was comprehensive, as it was never done ferore."
Serving Raynham, MA and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
""I recently had my HVAC system serviced, and I couldn't be more impressed. Michael McGinn was extremely knowledgeable and skilled, diagnosing and fixing the issues quickly. He explained the process clearly, provided helpful advice, and ensured everything was working perfectly before leaving. His professionalism, attention to detail, and friendly approach made the experience stress-free and reassuring. I highly recommend their services to anyone looking for reliable and expert HVAC care.""
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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