Serving Pawcatuck, CT and surrounding areas
Approved
In business since 1990
Free estimates
Credit card accepted
"Awesome job for our furnace and water heater servicing! He will be servicing our central air in the spring. The price was as quoted. I would highly recommend Bill!!"
Serving Pawcatuck, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Emergency services offered
"Installed a new AC system to replace old one for $7500."
+30
Serving Pawcatuck, CT and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Pete is very responsive and professional. His team showed up, expertly and efficiently repaired my leaking baseboard, and ensured they cleaned the repair site. Additionally, Pete followed up to make sure things were done to my satisfaction."
+91
Serving Pawcatuck, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2020
Free estimates
Emergency services offered
"Set up our chicken coop. Very please with last minute accommodations to have them assemble coop for us."
+4
Serving Pawcatuck, CT and surrounding areas
Approved
In business since 2021
Free estimates
Credit card accepted
"Raheem did a great job for us on quick notice. He was quick and efficient and I can recommend him."
Serving Pawcatuck, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2003
Emergency services offered
Warranties offered
"Came the day after I contacted them and fixed my leak in less than one hour. I will gladly reach out to them again in the future."
+13
Serving Pawcatuck, CT and surrounding areas
Approved
In business since 2009
Free estimates
Warranties offered
NEFTCO Mechanical Heating and Cooling is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 15 years of experience serving Connecticut and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!
+10
Serving Pawcatuck, CT and surrounding areas
In business since 2009
Emergency services offered
"They found some different aspects of my home that need some work. We plan on having some insulation placed in to help with this. I give them all A's. Everything was perfect."
+38
Serving Pawcatuck, CT and surrounding areas
In business since 2025
Free estimates
"Gary was professional. He responded quickly to my message. He was able to provide service promptly. We are enjoying hot water again. Thank you, Gary."
Serving Pawcatuck, CT and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"It went well. We will use his services again, if necessary."
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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