Serving Lebanon, NH and surrounding areas
Approved
In business since 2022
Free estimates
Emergency services offered
"very friendly and great service"
Serving Lebanon, NH and surrounding areas
Approved
In business since 2003
Free estimates
Emergency services offered
"Very professional and experienced and friendly I talk to them this morning they came and fix my furnace today I will definitely call them again"
+19
Serving Lebanon, NH and surrounding areas
Approved
Free estimates
Offers commercial services
"Gabe showed up when he said he would, completed the project in a timely, efficient and professional manner and was truly a pleasure to work with. I would highly recommend Gabe for any electrical work you need done!"
Serving Lebanon, NH and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
"Spiros was awesome! He put together my fiancée’s bed frame as well as fixed her closet!!!"
+3
Serving Lebanon, NH and surrounding areas
Approved
Free estimates
Emergency services offered
Small jobs welcome
"I was very pleased with the work he did, he has a nice way of explaining things , I sure I will hire him again for other projects when needed he is a very pleasant person to deal with. Tank you Scott for being such a nice guy ."
Serving Lebanon, NH and surrounding areas
In business since 2021
Free estimates
Emergency services offered
"Jeff was such a professional! He was very thorough in all communications and updates on shipping of parts. I had a Mitsubishi mini-split installed and I am thrilled with the work. Very professional, would highly recommend Minuteman for any of your HVAC needs."
Serving Lebanon, NH and surrounding areas
In business since 2024
Free estimates
Emergency services offered
"I was impressed with his knowledge and his ability to explain his thoughts to me as we were reviewing what needed to be done to install a replacement propane water heater He scheduled the project right away and came in the time frame designated, finish the work and also did extra functions that had to be done to allow the equipment to get into my basement. He followed up to make sure everything was working well and offered to come back in a day or two if I needed assistance. His billing was easy and professional. We are hoping to have him back again next year to do some HVAC work."
+6
Serving Lebanon, NH and surrounding areas
In business since 2020
Free estimates
Emergency services offered
"John and Evan provided great service and support with the installation of my mother's AC. Went above and beyond, even changing the batteries in the thermostat to ensure no problems in the future. True professionals with a cheerful attitude!"
+26
Serving Lebanon, NH and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"Mr. Ferrell first connected his computer to my computer via internet and worked for quite a few hours trying to determine what exactly was wrong. The next day he continued working from his computer for several hours. He determined he would have to have my desktop tower to complete the repair. He and my son met in Huntsville to exchange the tower. He then cleaned up a lot of what was wrong and reloaded Windows 10. He deleted the D: drive which had way too much memory allotted to it. The tower was returned and I plugged it all back together and it is working better than it did when I first purchased it. I would use him again and I recommend him highly to anyone needing computer updating and/or repair. His work is warrantied and he is very personable, knowledgeable, and helpful."
Serving Lebanon, NH and surrounding areas
In business since 1985
Free estimates
Emergency services offered
"The repairs done by Lake Sunapee went very well and a professinal service provided; we have no complaints for this company."
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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