
Serving Newton, NJ and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Emergency services offered
Warranties offered
"Great job under very difficult roofing conditions. Would recommend him for any future work."





+22


Serving Newton, NJ and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Emergency services offered
Warranties offered
"Great job under very difficult roofing conditions. Would recommend him for any future work."





+22

Serving Newton, NJ and surrounding areas
Approved
In business since 2005
Free estimates
Emergency services offered
"Excellent and professional work. Will definitely recommend ABCastello. So happy he was able to come out the same day I needed service with my air conditioner unit. Great job! Thank you!"





+24
Serving Newton, NJ and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Credit card accepted
"They came immediately on a holiday for our broken central air. He was honest and despite another HVAC company quoting us THOUSANDS more to replace QNR ordered parts to repair for fraction of cost. Honest, dependable and super nice!"

Serving Newton, NJ and surrounding areas
Approved (Corporate)
In business since 1971
Free estimates
Emergency services offered
"Great team service and pros on site. Would use again and will use again for all plumbing and hvac needs"


Serving Newton, NJ and surrounding areas
Approved
In business since 2006
Free estimates
Credit card accepted
"Very professional - prompt service, meticulous work, thorough cleanup. AC working perfectly now."





+8

Serving Newton, NJ and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"The technician was very professional and was able to answer many of my questions about the condition of my HVAC system that I inherited and its probable lifetime. I sensed that he was being honest and straightforward. Rather than accept his extensive list of possible replacement parts, I opted to have him install the one that he believed to be the most urgent- the capacitor. So far the unit seems to be functioning well."

Serving Newton, NJ and surrounding areas
Approved
In business since 1978
Free estimates
Emergency services offered
"My central air quit during a nasty heat wave and they responded quicklyâ within a few hours a technician arrived that evening, followed shortly by the salesman when I decided to replace instead of repair. The job was scheduled for the very next morning! The installers were on time, friendly and cleaned up the areas. Everyone I dealt with was knowledgeable and professional. Interest-free financing was a huge selling point. Very good experience!."




Serving Newton, NJ and surrounding areas
Approved (Corporate)
In business since 1980
Emergency services offered
Warranties offered
Service Professionals was built on a simple idea: homeowners deserve dependable, professional service they can trust.\n\n\nOur founder learned the trade hands-on, working alongside his father and later becoming a licensed plumber. That experience shaped how we operate today—show up prepared, communicate clearly, and do the job right the first time.\n\nProfessionalism is non-negotiable. Our technicians arrive in uniform, drive clean and fully stocked trucks, and treat every home with care and respect. If something isn’t right, we fix it. No shortcuts. No runaround.\n\n\nWith over 30 years of experience, Service Professionals provides Plumbing, Heating & Cooling, and Electrical services across New Jersey. Our thumbs-up logo stands for honest work, clear expectations, and solutions that last.\n\nFrom urgent repairs to long-term system care, homeowners choose us because we show up, follow through, and stand behind our work—every visit, every time.





+10

Serving Newton, NJ and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
At DYETT HVAC PRO CORP. we offer professional heating, ventilation, air conditioning and refrigeration services. We install, repair and perform maintenance on all types of equipment—from walk-in coolers, freezers, display cases and refrigerators to central units, mini-splits, rooftop units and all types of air conditioning systems, as well as any type of heating system, from oil boilers to the most modern high-efficiency models.\n\n

Serving Newton, NJ and surrounding areas
Approved
In business since 2020
Emergency services offered
Credit card accepted
We specialize in handyman services, home repairs, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!





+13
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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