Serving Assonet, MA and surrounding areas
Approved
In business since 1999
Free estimates
Customers say: Quick response
"Responded quickly, repaired my air conditioner and awaiting a quote for more work."
Serving Assonet, MA and surrounding areas
Approved
In business since 2017
Free estimates
Credit card accepted
"We had Chris replace a decades-old gas furnace and electric water heater, as well as install central air conditioning. We talked to a few professionals in HVAC, and Chris seemed to have encyclopedic knowledge of it all. At a very fair price, Chris spent two days having the old stuff professionally removed, getting the new stuff (AC) wired up, and all the new equipment installed. This was a problem-free project from start to finish, and we would strongly recommend Chris to anyone with similar needs."
Serving Assonet, 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 Assonet, 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 Assonet, MA and surrounding areas
Approved
In business since 2020
Free estimates
Emergency services offered
"This team has been above and beyond taking care of my house in Boston, they are very communicative and very respectful. I appreciate their work. Thank you."
+5
Serving Assonet, MA and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"The service was excellent!! Very professional and thorough! We highly recommend Armus for any maintenance or work you need to have done! We truly appreciate how quickly they answered our call!! Their customer service is amazing!!!"
+15
Serving Assonet, MA and surrounding areas
Approved
Super Service Award Winner
In business since 2004
Free estimates
Emergency services offered
"We needed our air conditioner tuned up. Garret was professional, and thorough. We were fortunate that he was going to be in our area the day he contacted us and he came the same day. The company we had last year couldn’t come until late July. He answered a lot of our questions and had some good suggestions. I’d highly recommend him. Jean R. In Rockland"
+24
Serving Assonet, MA and surrounding areas
Approved
Super Service Award Winner
In business since 1999
Free estimates
Emergency services offered
"I have nothing but good things to say about Philip Mills, his crew, and his company, Cassana HVAC. I wanted to install heat-pumps for central heat and air in my large home, and I solicited a few bids. Philip responded promptly to my request to visit my home and provide a detailed estimate. His price was quite competitive, the work started on time, and he and his crew did an excellent job. Indeed, I am so impressed with Cassana HVAC that I am now using them to work on other systems in my home. I highly recommend Philip Mills."
+9
Serving Assonet, MA and surrounding areas
Approved
In business since 1944
Free estimates
Emergency services offered
"Extremely friendly service. Prompt and professional. It was a little more expensive than I thought it would be to swap out a light/exhaust fan, but the work was excellent and I would hire again in the future."
+56
Serving Assonet, MA and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"Wow extremely professional experience guy showed up on time ,job went exceptionally smooth. All the work that was quoted that was done as quoted as described. everything worked as described and as it was explained to us. everything was really great. Justin was extremely professional and great to work with highly recommend them. Not to mention the unit that they're using is great it keeps my entire shop at 60° with ease"
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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