Serving South Yarmouth, MA and surrounding areas
Approved
In business since 2015
Free estimates
Emergency services offered
"Went great. Scheduled more quickly than I expected. They came on time and finished up in less than a day. Looks great and works great! I couldn’t be more pleased."
Serving South Yarmouth, MA and surrounding areas
Approved
In business since 1944
Free estimates
Emergency services offered
"Extremely friendly service. Prompt and professional. It was a little more expensive than I thought it would be to swap out a light/exhaust fan, but the work was excellent and I would hire again in the future."
+56
Serving South Yarmouth, MA and surrounding areas
Approved
Super Service Award Winner
In business since 1996
Free estimates
Emergency services offered
"Braga Brothers provided exceptional service during my gas furnace installation. The team was punctual and efficient, completing the job with confidence and professionalism. They took care to protect my home and explained the system thoroughly, ensuring I understand the new system. I highly recommend Braga Brothers for anyone in need of HVAC services."
+16
Serving South Yarmouth, MA and surrounding areas
Approved
In business since 2006
Free estimates
Credit card accepted
"This company is great! My phone calls were answered or returned within minutes. In spite of limited local material, my project was completed exactly as I had requested, within my desired time line. The workmen who completed my project arrived on time, they were polite, helpful, and did a great job!"
Serving South Yarmouth, MA and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Michael did a great job replacing our gas water heater. Came by and looked over the job gave us a good price and did the job next day. Thanks Michael"
Serving South Yarmouth, MA and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"SRC was very cooperative with re-scheduling their service and follow-up services as well!!!!"
Serving South Yarmouth, MA and surrounding areas
Approved
In business since 1992
Free estimates
Emergency services offered
"Paul was very thorough in reviewing his proposal and his reasons for choosing the installation plan. He was accommodating with regard to our work scheduling needs. His installation crew was efficient and professional and restored our property to pre-installation condition."
+13
Serving South Yarmouth, MA and surrounding areas
Approved
In business since 2020
Free estimates
Small jobs welcome
"These guys are the best! Waited for weeks to get other companies to come to house and then weeks to send estimate ! These guys came in 3 days and emailed estimate in hours! Two weeks later the job was done! Very Professional ! Oh yeah, they were 2 thousand cheaper. Mitsubishi also."
+6
Serving South Yarmouth, MA and surrounding areas
Approved
In business since 1985
Emergency services offered
Warranties offered
"Very professional and very experienced."
Serving South Yarmouth, MA and surrounding areas
Approved
In business since 2021
Free estimates
Warranties offered
Family owned business with over 12 years of experience handling all your Heating & AC needs for residential and commercial. Master certified HVAC.
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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