Serving Milltown, 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 Milltown, NJ and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
"Liv Air was very professional and friendly! I would hire them again!"
+46
Serving Milltown, NJ and surrounding areas
Approved (Corporate)
In business since 1994
Emergency services offered
Credit card accepted
"Installed ductless air conditioning. They were fast, efficient and easy to work with. Weâ ve had other contractors here since the installation and every one of them was impressed with Air Experts quality of work."
+3
Serving Milltown, NJ and surrounding areas
Approved
In business since 1994
Free estimates
Emergency services offered
"I highly recommend engaging Raynor Services for your heating/air conditioning needs. Our technician, Matt, was very friendly, courteous and efficiently diagnosed and planned the remediation of our heating problem. He took the time to point out what was wrong and provided some extra measures we could take, should we decide to, in the future. No sales pitch, no pressure to add additional costs. Extremely satisfied with Raynor’s friendly service, quick response (less than 1.5 hrs from my call) and low costs to return our heating system back in working order. We will continue to call on Raynor Sevices for all of our heating & ac needs."
+6
Serving Milltown, NJ and surrounding areas
Approved
In business since 2006
Free estimates
Credit card accepted
A leading construction company in Monroe Township focuses on providing optimum quality in various construction services. We take great pride in our work as we have during our 20+ years in business. Thus, you can rest assured, that no matter what construction project we handle, we will be giving nothing but highly professional and expert works. Our collections of photos from previous construction projects can attest to the amount of time, thought, and effort that we put into the services we provide.\nOf course, while we strive to provide the most beautiful designs and outcomes, we understand that price is one of the most important deciding factors for clients. That is why we offer the fairest prices for our best quality works. Call today for your free estimate!
+33
Serving Milltown, NJ and surrounding areas
Approved
In business since 2011
Free estimates
Emergency services offered
"Our 35+ year old furnace went out last November. Artur came and evaluated our systems. We ended up installing 2 new HVAC systems. He was very thorough and explained everything, answering all our questions. The installation was on time and the crew was very competent but also neat, thoughtful and polite. The best part: our system since we bought our house was never optimal despite lots of companies working on it over the years but now for the first time, I can say WE ARE TRULY COMFORTABLE WITH THE TEMPERATURE IN OUR HOME. When the A/C is on, it is perfect and when the heat is on we are warm. I strongly recommend this company. You will be satisfied!"
+29
Serving Milltown, NJ and surrounding areas
Approved (Corporate)
In business since 1903
Emergency services offered
Warranties offered
"I AM BUYING A HEATER SERVICE CONTRACT FROM PETRO THIS YEAR."
Serving Milltown, NJ and surrounding areas
Approved
In business since 1996
Emergency services offered
Credit card accepted
"We were without heat for six days and had no success from other companies that were recommended by friends/family; I went through Home Advisors and had an appointment with Fontaine Repair HVAC with in the hour. Tony was very professional, curtious and thorough with the work and explanation of what needed to be done. He fixed the problem in a timely manner and gave instructions on how to prevent the problem from occuring again. I would definitely use Fontaine Repair HVAC again and would highly recommend them to anyone who is looking for a knowledgable, honest company."
+2
Serving Milltown, NJ and surrounding areas
Approved
In business since 2003
Free estimates
Credit card accepted
"Responsive service to replace a Furnace AC unit after mine died when temperatures were dipping into the teens. They took the time to make sure they got the right unit for the job; my old furnace was oversized. I had heat after 1 day, then they followed up the next day for a final walk through to assure everything was correct and complete. Fair pricing. Great value."
Serving Milltown, NJ and surrounding areas
Approved
In business since 2025
Free estimates
Credit card accepted
"Great communication, prompt service!!! Ash was very honest and provided an immediate solution to our AC issue. While giving alternatives for the future."
+11
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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