
Serving Vernon Rockville, CT and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Joel went out of his way to help me with my heating problem,excellant service"





Serving Vernon Rockville, CT and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Joel went out of his way to help me with my heating problem,excellant service"




Serving Vernon Rockville, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Emergency services offered
"I was thoroughly impressed at how time was taken to educate myself on the proper maintenance of my air conditioning system. Very professional!"





+8

Serving Vernon Rockville, CT and surrounding areas
Approved
In business since 1945
Free estimates
Emergency services offered
"I keep coming back because I am always very pleased with their service and honest advice. They stand behind their work and will respond. even months later, if an issue or a question arises. Tom Mull's staff are very professional, a pleasure to work with and responsive to the CDC/Covid precautions."





Serving Vernon Rockville, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2008
Free estimates
Emergency services offered
"Ac needs service, but not the outlet."





+22

Serving Vernon Rockville, CT and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"It was fine. After their work we no longer had problems. They were very professional and on time. They did the job well. They came quick."

Serving Vernon Rockville, CT and surrounding areas
Approved
In business since 2017
Free estimates
Small jobs welcome
"We hired Bertram to repair our central air. He arrived on time and did the repair. The repair should let us finish the season with the old season. We liked him, and have asked him to completely replace our system in the fall."
Serving Vernon Rockville, CT and surrounding areas
Approved
In business since 1989
Emergency services offered
Warranties offered
"Job had to be postponed twice due to constrains in the company. Once the job got done, things seem to be ok,"

Serving Vernon Rockville, CT and surrounding areas
Approved
In business since 2007
Free estimates
Warranties offered
"I can't say enough good things about Brian, who took care of this work for me. He returned my call promptly, listened carefully to what I needed, and was able to go out to my house within a few days to look at the space available for the two needed light fixtures. He then gave me excellent advice on the type of fixtures that would fit, and the exact sizees I needed to order, as well as what locations would work best for connecting them to the existing wiring. Using his advice, I was able to order the fixtures, which he then came out again to install. He obviously has good skills, but he was also prompt, efficient, honest, and very professional. I will not hesitate to contact him again when I need any further work done -- thanks Brian!"



Serving Vernon Rockville, CT and surrounding areas
Approved
In business since 1992
Free estimates
Warranties offered
"The excellent service and professional we received exceeded our expectations. Terry was absolutely the best his team provided top notch service. I highly recommend the company Terry is so personable and ensures his customers are well educated on the system, he always answers calls and responds quickly. Hard to find good help these days if you have the chance to work with this company consider yourself very fortunate. Exceptional work and service."





+25

Serving Vernon Rockville, CT and surrounding areas
Approved
In business since 1989
Free estimates
Emergency services offered
"We had a split air conditioning system installed. Everyone was very professional and they were very careful to clean up everything. We will definitely call them again to replace a 40 year old boiler."





+29
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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