Serving Columbia, CT and surrounding areas
Approved
In business since 2004
Free estimates
Customers say: Quality work
"Good communicator, answered all our questions, reliable, resonable and efficient in our new heater install. Will definitely use again. you can't go wrong."
Serving Columbia, CT and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Went very well, considering I needed my furnance fixed on a Sunday. I was able to call up at 7am and the tech was out to my house later that morning. Juan did a great job, fixed the problem and explained to me what he did. I would hire this company and ask for Juan if you have any HVAC needs."
Serving Columbia, CT and surrounding areas
Approved
In business since 2007
Free estimates
Warranties offered
"I have to say that Mike was very professional and fast at his job, he did a great job and was polite,I have to say that I would definitely hire Mike again! 😉😉"
Serving Columbia, CT and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"i desperately needed gutter cleaning the day before a major storm. I spoke with Dave initially and he worked with me to make it possible and sent out his crew by the afternoon to my house. His crew was so professional and worked very hard to make sure that all the work was done for me and they cleaned up and got rid of all the mess. This company could not have been nicer and helpful. I highly recommend them and am thankful that I found their business."
+1831
Serving Columbia, CT and surrounding areas
Approved
In business since 1989
Free estimates
Emergency services offered
"Excellent work on new HVAC (A/C & Furnace) install. A little pricey, but worth the peace of mind."
+29
Serving Columbia, CT and surrounding areas
Approved
In business since 2008
Free estimates
Emergency services offered
"My AC was not working Precise came out and fixed the problem . I was very pleased with the service and professionalism. I will be using for all my maintenance and repair needs."
+22
Serving Columbia, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2000
Free estimates
Emergency services offered
"The service was great, They were punctual and kept me updated when driving over, They were efficient and I’ll be using them again. I highly recommend them."
+232
Serving Columbia, CT and surrounding areas
Approved
In business since 2001
Free estimates
Warranties offered
"John was awesome. He was professional, friendly and very knowledgeable. I had previously had some repairs done to my central air system by another company. That result was not up to my expectations. John from Quiet Corners came out, accurately diagnosed my problem, and came out within a week to install a new condenser. We now have cool air in our house. They also work with American Home Shield, which covered most of the cost of the repairs. Great Experience!!! I highly recommend them.."
Serving Columbia, 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 Columbia, CT and surrounding areas
Approved
HVAC service and install tech licensed
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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