Serving Warren, NJ and surrounding areas
Approved
In business since 1958
Free estimates
Emergency services offered
"I have used Speer Air for several years for HVAC preventive maintenance at my home. We recently expanded and they installed a package unit to take care of the expansion space. The work was good and they have been back for adjustments as necessary."
Serving Warren, NJ and surrounding areas
Approved
In business since 1972
Free estimates
Emergency services offered
"Alpine did a full attic HVAC installation for us. Gave a reasonable quote. Did the work cleanly and professionally, and followed up to make sure we were satistied. We've been very satisfied with the units."
+22
Serving Warren, NJ and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
"Staff is very friendly and helpful and well-trained professionals. They serviced my appliances and solved my issues on the same day whereas other service companies would not. Liv Air is the best HVAC service provider and I highly recommend their services."
+46
Serving Warren, NJ and surrounding areas
Approved
Super Service Award Winner
In business since 2016
Free estimates
Emergency services offered
"My AC broke this morning it was a Saturday I went to Angie s list and immediately got a response from Challenger heating And air-conditioning. They were here within an hour Fernando quickly found the problem and fixed it I am definitely going to be using this company For all my heating and cooling needs"
+11
Serving Warren, NJ and surrounding areas
Approved
Super Service Award Winner
In business since 2006
Free estimates
Emergency services offered
"The repair man was very knowledgeable and was able to give advise on air conditioner care and personal maintenance"
+1
Serving Warren, NJ and surrounding areas
Approved (Corporate)
In business since 1977
Free estimates
Emergency services offered
"Air conditioning repair. Tim was a very knowledgeable service technician and he was able to advise on how to best approach my air conditioning issue. Explained everything thoroughly. Polite and respectful!"
+6
Serving Warren, NJ and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"They definitely earned this 5 ⭐️⭐️⭐️⭐️⭐️ review!! I can't say enough good things about VIP HVAC, they truly went above and beyond! Hector, the owner, came out with two of his crew members the day before the 4th of July to replace both my AC and furnace. They arrived right at 8am and worked nonstop until 6:30pm to make sure everything was done perfectly. Throughout the job, they found a few unexpected issues, but Hector and his team kept me informed the entire time and handled everything with professionalism and care. I was so impressed by their hard work, attention to detail, and clear communication. If you’re looking for a trustworthy and dedicated HVAC company, I highly recommend VIP HVAC. Hector and his crew are the real deal!"
+107
Serving Warren, NJ and surrounding areas
Approved
Super Service Award Winner
In business since 2019
Emergency services offered
Warranties offered
"I was in desperate need of an AC unit repair and Kyle came to the rescue. Iâ ve owned my home since 2019 and have been looking for and honest and reliable AC technician. Iâ ve used a couple of other technicians but Kyle will be my go to moving forward. He kept me informed of everything he was doing and educated me on how my unit should be running. He even gave me info for what filters I should be purchasing to help my unit run efficiently. He gave me several options with regards to repairs and I went with the higher priced option because it was so reasonable and I didnâ t want to cut corners. I will be scheduling my routine maintenance with him for the summer and winter. Iâ m so happy I finally found an AC technician I can rely on. I highly recommend him."
+22
Serving Warren, NJ and surrounding areas
Approved
Super Service Award Winner
In business since 2015
Free estimates
Warranties offered
"We had an issue with air flow to some off our vents and they sent a tech out to monitor the air flow and make adjustments."
+369
Serving Warren, NJ and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Harmon Air came on time, and did the installation of our whole house humidifier with exceptional quality and attention to detail. He was very professional, curtiouse and knowledgeable about the equipment. His repair of our faulty duct was also done very well. I highly recommend Harmon Air for any HVAC work that's needed."
+15
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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