Serving South Dennis, 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 Dennis, MA and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
"Bob did a new mini split install for me and I couldn't be happier with the work. He was professional, timely, and had excellent communication. He was also very knowledgeable and made some great recommendations for the project. I'd recommend him to anyone looking for HVAC work."
Serving South Dennis, 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 Dennis, MA and surrounding areas
Approved
In business since 2012
Free estimates
Credit card accepted
"Owner Sam and his crew were very professional and friendly and did great work."
Serving South Dennis, 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 Dennis, MA and surrounding areas
Approved
In business since 2006
Free estimates
Credit card accepted
"Responded quickly and explained clearly what he could do and when. Would recommend him. Did a great job"
Serving South Dennis, MA and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"I retained this wonderful pro to install the plumbing in our new outdoor shower. He was prompt, efficient, well-organized and his workmanship was of the utmost quality. His understanding of the requirements of the project was clear and precise and the work was completed in a timely manner. Cleanliness was also a strong point. He always responded in a timely manner to my inquiries and was very flexible in scheduling the work, especially in making adjustments based on forecast weather conditions. I very highly recommend this contractor for any plumbing work you may need to have performed. Thank you, Michael!"
Serving South Dennis, MA and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Warranties offered
"I had an excellent experience with Stephanie, Tim, and Spencer during the installation of my mini split system. From the very beginning, they were professional, friendly and communicative. They took the time to explain how the installation process would work and made sure I understood all the benefits of swtiching to the system. I felt well informed and supported. Since the installation, the system has made a huge difference in my hosuehold. The units are quiet, efficient, and give me the ability to control the temperature in all rooms in my household. Not only does it keep the space comftorable by replacing AC's but I've noticed the air quality and drop in my electricity bills are better. I"m grateful for the work this team did and would recommend them toothers. I trust them completely and wouldn't hesitate to use them in the future again. Thank you!"
Serving South Dennis, MA and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Good Service, on time, reasonably priced, professional."
Serving South Dennis, 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
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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