Serving Wilmington, DE and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
"Mr. Desmond from Desmond Heating and Cooling Solutions, LLC came on time and was very professional. He fixed my thermostat and made sure I enough Freon and have central air throughout the house."
Serving Wilmington, DE and surrounding areas
Approved
In business since 1991
Free estimates
Emergency services offered
"Rich from One Hour Heating and Cooling was great! He took the time to tell me exactly what went wrong and went above and beyond to provide great services on my AC unit. One Hour Heating and Cooling is the only business I would go to for my AC needs."
Serving Wilmington, DE and surrounding areas
Approved
In business since 2010
Free estimates
Credit card accepted
"Hired them from their Elkton Maryland branch. They did excellent work. The office staff was very courteous and helpful. Great company. Had my furnace fixed expediently. Thanks, Aire!"
+86
Serving Wilmington, DE and surrounding areas
Approved
In business since 1992
Free estimates
Warranties offered
"AirServ installed central air conditioning system. We are very satisfied with the timeliness and professionalism of their work. They respected our property and left it in excellent condition. They went over and above their work plan. We expect to have a long relationship with them."
Serving Wilmington, DE and surrounding areas
Approved
In business since 1989
Free estimates
Emergency services offered
"Did not return basement ceiling to original condition."
Serving Wilmington, DE and surrounding areas
Approved
In business since 1989
Free estimates
Emergency services offered
"My air/heat system was a wall unit and they do not service them. However my water heater went and they did a great job replacing it."
+18
Serving Wilmington, DE and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Installed a new water heater in less than 24 hours. 2 techs were knowledgeable and professional."
Serving Wilmington, DE and surrounding areas
Approved
Super Service Award Winner
In business since 2002
Free estimates
Emergency services offered
"Air conditioner inspected and repaired."
+81
Serving Wilmington, DE and surrounding areas
Approved
In business since 2016
Free estimates
Emergency services offered
True Blue Mechanical provides quality heating and cooling services for your comfort. We take pride in delivering exceptional care and value every time!
Serving Wilmington, DE and surrounding areas
Approved
In business since 1988
Credit card accepted
Customers say: Quick response
"Angel at Harris Plumbing, Heating, Air, & Electrical helped me with an issue with my HVAC. He was very professional, courteous and thorough. He did a great job explaining the issue to me and the work he did to resolve the issue. I would highly recommend Angel and Harris Plumbing, Heating, Air & Electrical."
+8
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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