Serving Newmarket, NH and surrounding areas
Approved
In business since 2016
Credit card accepted
Customers say: Quick response
"My best experience ever dealing with an air conditioning problem. They were prompt courteous and professional."
Serving Newmarket, NH and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Credit card accepted
"We love our new Installer Jake from Pure Temp Heating & Cooling and our new AC & Heating System he installed that can be adjusted through the Phone APP. Jake was very knowledgeable and did everything he said he would do. Thanks Jake, for Your Home Services and your Service in the Military."
Serving Newmarket, NH and surrounding areas
Approved
Super Service Award Winner
In business since 1932
Free estimates
Emergency services offered
"Palmer Gas & Oil just did an entire replacement of the 20-year-old central HVAC + humidifier + thermostats two-zone system in my home with a new state-of-the-art total system and I could not be more pleased. From start to finish each employee was personable, extremely knowledgeable, very courteous, and the consummate professional. There is truth to the adage that you get what you pay for and I know I got the best. All Gold Stars!"
+11
Serving Newmarket, NH and surrounding areas
Approved
In business since 2000
Free estimates
Warranties offered
"Kevin was great. Our Central Air System died during a Heat Wave . When other companies told us they couldnâ t give us an appointment for two weeks, Kevin came the next morning and on a Holiday weekend. He was quick and reasonably priced. We would highly recommend Kevin Russo to anyone looking."
+2
Serving Newmarket, NH and surrounding areas
Approved
In business since 2008
Credit card accepted
Offers commercial services
"Very competent, knowledgeable and expedient service from the beginning to end and the crew was great to work with. We highly recommended them. You won't regret it."
+18
Serving Newmarket, NH and surrounding areas
Approved
In business since 2003
Free estimates
Emergency services offered
"Spent a lot of time making sure everything was serviced appropriately."
+19
Serving Newmarket, NH and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Free estimates
Small jobs welcome
"Eric has been my go-to electrician for all my projects. He is highly professional and knowledgeable, and his work consistently speaks for itself. He is helped upgrade my basement panel, organized the breaker circuits, installed new lines for appliances, and more"
Serving Newmarket, NH and surrounding areas
Approved
Super Service Award Winner
In business since 2012
Free estimates
Credit card accepted
"From start to finish, Arete Electric & HVAC Services was incredibly efficient and respectful of my home. They arrived exactly when they said they would, stayed on schedule, and completed the project in a timely manner. No mess left behind, and they treated the space with care as if it were their own. I truly appreciated their professionalism and would highly recommend them to anyone looking for reliable, high-quality service."
Serving Newmarket, NH and surrounding areas
Approved
In business since 2023
Free estimates
Credit card accepted
"Sunrise Heating and Cooling did an excellent job installing my new Rinnai tankless water heater/boiler. From start to finish, the experience was smooth and professional. The crew was knowledgeable, punctual, and took the time to explain the system and answer all of my questions. The installation was clean, efficient, and clearly done with attention to detail. Everything works perfectly, and I couldn?t be happier with the upgrade. It?s clear they take pride in their work. If you?re looking for reliable, honest, and high-quality service, I highly recommend Sunrise Heating and Cooling."
Serving Newmarket, NH and surrounding areas
Approved
In business since 2000
Customers say: Quick response
"Very professional and honest service. Takes time to explain performance of unit, necessary maintenance and future maintenance. A pleasure to work with."
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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