Serving Danville, 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 Danville, NH and surrounding areas
Approved
In business since 2020
Free estimates
Credit card accepted
"A great experience from start to finish. I found Kingdom Cooling on Angies List and the owner (Gerry) was very responsive and personable and explained to me in detail what he thought was going on after explaining the problem. He was able to give me a very accurate ballpark estimate which was very reasonable. Scheduling and timeliness of the repair was also done very quickly and efficiently. I would definitely recommend Kingdom Cooling for Service for sure!"
+67
Serving Danville, 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 Danville, NH and surrounding areas
Approved
Super Service Award Winner
In business since 1932
Free estimates
Emergency services offered
"Best customer service and technicians. Stephanie, Lead Installation Coordinator, acts promptly in scheduling and keeps customers informed of updates. Ryan, Installation Technician, has been exceptionally knowledgeable in resolving both heating and air conditioning issues. Highly recommend Palmer Gas & Oil Nancy R"
+11
Serving Danville, NH and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
"Amazing service! very knowledgeable, clean work and super respectful! if you find yourself needing any help when it comes to your heating or Air Conditioning system, call Keenan without a doubt."
+56
Serving Danville, NH and surrounding areas
Approved
In business since 2016
Free estimates
Emergency services offered
"Prompt, efficient, professional. Knowledgeable. Nice to find qualified workers."
+172
Serving Danville, NH and surrounding areas
Approved
In business since 2000
Free estimates
Warranties offered
"My Mitsubishi Mini split A/C was not cooling properly even after a tune-up by another tech company in the spring. Kevin came by the day after I called and fixed the issue quickly. Now the unit is like brand new. I would recommend and will have this business tune my units up from now on."
+2
Serving Danville, NH and surrounding areas
Approved
In business since 2008
Credit card accepted
Offers commercial services
"I found Comfort Air online and reached out to install central AC in my mother's condo. Patrick got back to me promptly, was very receptive in answering all of my mother's questions, and was able to start job within a couple of weeks from first call. The job took two days total, and my mother was impressed from start to finish! I highly recommend Comfort Air."
+18
Serving Danville, NH and surrounding areas
Approved
Super Service Award Winner
In business since 2009
Free estimates
Emergency services offered
"We loved how honest he was with us! He let us know what options were available to fix our air conditioning and how we could save money!"
Serving Danville, NH and surrounding areas
Approved
In business since 1984
Free estimates
Emergency services offered
"We hired this company to install a Rinnai tankless hot water heater and three Fujitsu tuckless mini split heat pumps for our air conditioning and heating needs. We also purchased their two year Preventive Maintenance plan for our furnace. Their workmanship is very professional and all work was completed in accordance to our schedule. Their pricing was very competitive and most reasonable. I especially appreciated the crews sensitivity towards keeping my floors clean while they were going back and forth from inside to outside; all the worksites within our home were left spotless as well as the floors. Thanks to Saul and the men at Revolution..a job well done. See you in the Fall for our PM Contract."
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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