Serving Middle Island, NY and surrounding areas
Approved
In business since 2002
Free estimates
Emergency services offered
"Excellent service,knowledgeable,fast,reasonable price, I highly recommend to anyone that needs HVAC services."
+1
Serving Middle Island, NY and surrounding areas
Approved
In business since 2009
Free estimates
Credit card accepted
"I highly recommend Absolute Zero. Kyle didnâ t try to sell me upgraded equipment, he sold me what works sufficiently and what he would install in his house. I got a few quotes for the central AC and his price was the lowest. Installed in the attic that will be renovated into a room, he worked with me and planned and installed the air handler unit and all the ductwork where heâ d leave the center of the room open and did a great, clean job. He said the AHU upstairs and condenser unit outside would be quiet, I was shocked at how quiet everything was. He protected furniture and floors while they worked and left the house clean and tidy after leaving. Iâ m extremely pleased with the work and have already referred him to others."
Serving Middle Island, NY and surrounding areas
Approved
In business since 2005
Free estimates
Emergency services offered
"Just can't say enough good things about this company. I signed a contract they came on time. They installed new residential carrier air conditioning unit. Did a complete clean up when they were done. Everything is working just fine. I would recommend this company if you're considering putting in home air conditioning system."
+2
Serving Middle Island, NY and surrounding areas
Approved
In business since 2022
Free estimates
Emergency services offered
"Outstanding service!!! Contacted Angi list and Natural Breeze (Luiz) called me within 10 minutes. Told me he could be to my home in 1hr. Was 5 minutes early and had my heating system working within an hr. Found a faulty relay...Tested total system before cleaning up. Phenomenal service, honest and great and very fair price!!!!! He is a keeper on my list for future issues....Thanks"
+25
Serving Middle Island, NY and surrounding areas
Approved
In business since 1969
Free estimates
Emergency services offered
"I was very happy with my service call today! The repairman, Scott, was knowledgeable and pleasant and wore a mask and gloves throughout., so I felt safe, despite the pandemic. He serviced both of my central air systems and diagnosed the problem with the malfunctioning one and fixed it. By the time he left my house was already a much more pleasant place to be!"
+13
Serving Middle Island, NY and surrounding areas
Approved
In business since 1992
Offers commercial services
Customers say: Quick response
"-came on time - curteous service Answer all question Discussed proble with ac system Duscussed reasonal replacement Curtesy check other ac unit for tune up Through in doing job Checked amp usage of ac Checked wire securely Remove old unit Clean up after job done No argument as reasonable offer Overall satisfied service Would recommand to use again for air condition service"
Serving Middle Island, NY and surrounding areas
Approved
Super Service Award Winner
In business since 2020
Free estimates
Emergency services offered
"The installation of a new split unit Air conditioner unit was done by Joe. He installed the unit, ran the electrical work to my panel, installed all the lines needed. Joe completed the project with the expertise needed and was sure to address all the indoor and outdoor cosmetic piping and ductwork with a great appearance to meet my expectations. Joe was on time, very attentive to all my questions, emails and text messages and the price was very reasonable. I highly recommend using Joe for your AC unit installation and I will be calling him again for any future projects that I may have! 😊"
+11
Serving Middle Island, NY and surrounding areas
Approved
In business since 2024
Emergency services offered
Warranties offered
"Professional, Courteous, and Efficient. Excellent customer service at an affordable price. Highly recommend!"
+4
Serving Middle Island, NY and surrounding areas
Approved
In business since 1952
Free estimates
Warranties offered
"The entire experience from the discussions with the company rep Scott O, to the completion of the installation was excellent. The installers were courteous, knowledgeable and efficient. The Mitsubishi unit itself is an excellent product. Cools quickly, quietly, and is multifunctional. The installers Brian and Moses did the job in a courteous, knowledgeable and efficient manner. All stages of the job went smoothly. Functions of the unit and use of the remote were explained thoroughly and a booklet was provided that reinforces the information. Cleanup was excellently done. I am very pleased with the communication with Scot O choosing the product to be installed, getting questions answered as well as with the knowledgeable, courteous and efficient installers. I highly recommend Elm Air Conditioning."
Serving Middle Island, NY and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"The company communicated clearly throughout the day about when they would arrive. The service man, Mike, was very nice and even made my dog fall in love with him! He did everything that he could to help fix our problem as it was not an easy fix. This whole experience has been a good one! Thank you Home Advisor, Surefire and Mike!"
+14
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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