Serving Chase, MD and surrounding areas
Approved
In business since 2013
Free estimates
Warranties offered
"Genuinely honest, technically competent, and a penchant for pragmatic solutioning are the best ways I can describe Aaron and Blessed Cooling and Heating. They are at the top of our list for any future HVAC work."
Serving Chase, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2009
Emergency services offered
Warranties offered
"Mr. Bamford is an amazing gem. We have hired him repeatedly for different projects, and he ALWAYS goes above and beyond. Whether it's working over 15 hours straight to make sure we had hot water for the next morning, pricing out all of the alternatives to get us the best deal, or just popping by when we call to check out the issue and see what it will take, his service is above any provider I've ever worked with. I highly recommend him, and am grateful for the excellent service he provides."
+2
Serving Chase, MD and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"Very professional, good HVAC installation experience, very officiant, Cleaned up after work, did a excellent job installing heat pump outside and air handler on the attic"
+1
Serving Chase, MD and surrounding areas
Approved
In business since 2007
Free estimates
Emergency services offered
"Mr. Bost did an excellent job for me for a reasonable price. I know he obtained the best deal for me on the furnace and the air conditioning unit. He answered all my questions. He was on the job when he said he would be; he was professional and courteous. The installation went smoothly, and I have had no problem with the furnace or air conditioner since they were installed in 2008."
+2
Serving Chase, MD and surrounding areas
Approved
In business since 2000
Free estimates
Credit card accepted
"I talked to several companies about a heating and air conditioning replacement. Smart Energy was more cost effective and offered the same service of larger name brand companies."
Serving Chase, MD and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"David was pretty good, service my ac system and fixed it quickly and at the right price, Iâ ll definitely be using him again and recommend him to my fam and friends"
Serving Chase, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2023
Free estimates
Credit card accepted
"Edis install the final flooring along with the base molding in a very timely manner and proceeded to work on my interior painting and general renovation project extremely efficiently and providing above average output and results. Edis is a highly professional contractor who gets the job done and produces amazing results. I will certainly use him again and again and again. Thank you Edis for the great work that you do. It is highly appreciated ??❤️"
+92
Serving Chase, MD and surrounding areas
Approved
Super Service Award Winner
In business since 1979
Free estimates
Emergency services offered
"Bobby is thorough and meticulous in whatever job — large or small—that he is doing. His suggestion to cover standard patio window vertical blinds with floor length curtains improved privacy and appearance. Work was reasonably priced, performed timely and to high standards. Bobby is able to quickly grasp the customer’s needs. Highly recommend this business."
+26
Serving Chase, MD and surrounding areas
Approved
In business since 1995
Credit card accepted
Customers say: True professional
"The toddler bunk bed bedroom set was put together well and in an efficient manner! Looks great and my grandson loves it! Will hire you again on our next project!"
+18
Serving Chase, MD and surrounding areas
Approved
In business since 1902
Free estimates
Emergency services offered
"Technician was prompt and polite. However, he did not take the time to explain the issues to me as the second company we hired did. Probably not a reflection on his capabilities, but we know. Also, quote for replacement was $2500 more than competition."
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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