Serving Mountain Top, PA and surrounding areas
Approved
In business since 2008
Free estimates
Emergency services offered
"Lokuta Plumbing did an excellent job with my septic tank repair. They were prompt, courteous, hard working and efficient. Highly recommend them."
+7
Serving Mountain Top, PA and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"These guys are the best!!! Extremely knowledgeable, courteous, and the hardest working guys Iâ ve ever seen. Worked in 100+ degree attic with old itchy fiberglass insulation and never complained. After installation they stayed and went over all aspects of the system and even called tech support for the new thermostat they installed. Canâ t say enough about them just an A+++ company."
+2
Serving Mountain Top, PA and surrounding areas
Approved
In business since 2014
Free estimates
Emergency services offered
Green Planet Solutions delivers reliable, energy-efficient HVAC solutions designed for comfort, savings, and sustainability. Our experienced technicians provide expert installation, maintenance, and repair using high-quality equipment and environmentally responsible practices. We focus on reducing energy costs, improving indoor air quality, and extending the life of your HVAC system-all while offering honest pricing and dependable service you can trust. With Green Planet Solutions, you get comfort done right.
Serving Mountain Top, PA and surrounding areas
Approved
In business since 2015
Free estimates
Credit card accepted
"The moment we met Jay, from J and T Heating and Cooling company for an estimate for a new Central Air/Central Heat unit, we knew we were in good hands. Jay explained in detailed his vision and made sure we were updated on a daily basis of their progress. The crew was professional and very efficient in making sure everything was done in a timely manner and properly installed. They surpass our expectations in the work they did. They did an amazing job of making everything looked neat like nothing was installed. Our home is cool and like new. I highly recommend this company for any heating or cooling installations."
Serving Mountain Top, PA and surrounding areas
Approved
In business since 1991
Free estimates
Emergency services offered
"Bill and crew did a great job installing our new air conditioner unit."
+5
Serving Mountain Top, PA and surrounding areas
Approved (Corporate)
In business since 1946
Free estimates
Emergency services offered
"Great experience Justin, Nate & Timothy were awesome. Very knowledgeable, professional & curious. Aside from the cleanliness they delivered an experience. I highly recommend HL bowman if you want rapid service on your HVAC. Pricing was reasonable in my opinion & financing is an option. Keep in mind when seeking quotes for your HVAC repair/ new install you must consider performance over equipment, that is if your want a good system that will have a good run/life span."
+6
Serving Mountain Top, PA and surrounding areas
Approved
In business since 2025
Emergency services offered
Credit card accepted
"Came when stated they would be here. They checked the unit. It needed a part and when it came in they installed it. Was professional, respectful and pleasant. I'd recommend them. I may also be calling them for other jobs soon. Thanks Angi for the recommendation. And Thank you PT Mechanical!"
Serving Mountain Top, PA and surrounding areas
Approved
Emergency services offered
Warranties offered
Small jobs welcome
In the HVAC and Mechanical field for over 25 years. Experience with pumps, motors, water filtration equipment, well systems, gas and oil systems and more. We have at least a 60 mile service area from Reading PA and will to travel further if needed. QEW Certified, Universal EPA Certified to handle refrigerants. We believe in providing Top Tier service that helps our customers with their needs relating to HVAC, water filtration and minor plumbing. This includes service, installation and Preventative Maintenance.
+10
Serving Mountain Top, PA and surrounding areas
Approved
In business since 1980
Free estimates
Warranties offered
"They were super helpful and provided great pricing on new models of misubishi ductless systems. We matched that with additional solar system. Everything done with high attention to details of requests and has been working superbly. I really recommend Jim and the team in Pennsylvania to get things done professionally."
Serving Mountain Top, PA and surrounding areas
Approved
Licensed plumbing and HVAC mechanic. Monday through Friday I work for an industrial plumbing and HVAC company as a foreman. Past work includes schools, hospitals and residential
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.
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