Serving Dillsburg, PA and surrounding areas
Approved
In business since 1988
Free estimates
Emergency services offered
"Mike did a fantastic job of installing our furnace and air conditioning units. Highly recommend Mike"
Serving Dillsburg, PA and surrounding areas
Approved
In business since 2016
Free estimates
Credit card accepted
"My hot water heater stopped working. The problem ended up being a leak underneath the mobile home. I had a different company come in to give an estimate. The other company, who I will not even bother revealing the name of, gave an estimate that was almost $2000 to replace pipes that they could see, or $8736 to repipe my place. I really just wanted the leak fixed. I called Sheaffer's Mechanical afterwards. They came out very quickly. They were very nice guys who clearly knew what they were doing. They fixed the leak very quickly for $125. Do yourself a favor and contact these guys for any plumbing needs. They are awesome! They also do heating and air conditioning."
Serving Dillsburg, PA and surrounding areas
Approved
In business since 2004
Free estimates
Emergency services offered
"I would highly recommend Prime Home HVAC. Our air conditioner was out for an entire weekend. I called Nathan on Monday, by Tuesday we had relief!! Nathan and his staff were professional and paid attention to detail. The price was fair and they made it easy. I love that they are a family-owned business. You will not be disappointed."
+3
Serving Dillsburg, PA and surrounding areas
Approved (Corporate)
In business since 1903
Emergency services offered
Warranties offered
With over 100 years experience, we know how to keep you comfortable, safe and help you save on energy costs. Our local 24/7 customer service and support means automatic heating oil deliveries and our service response is always fast. We never run out of heating oil plus our pricing and payment plans are designed to help you manage your costs all year round. Experience the Petro difference today!
Serving Dillsburg, PA and surrounding areas
Approved (Corporate)
In business since 1946
Free estimates
Emergency services offered
"Went very well. Tech gave great information on the condition of my unit. As well as provided guidance for upcoming repairs that may be needed."
+6
Serving Dillsburg, PA and surrounding areas
Approved
In business since 2011
Free estimates
Warranties offered
"Aire Serv installed my air conditioner in record time. They were very efficient. It took only 3.5 hours to install the Klimaire mini split system. I will hire them again if I install another Klimaire mini split air conditioner system."
Serving Dillsburg, PA and surrounding areas
Approved
In business since 2023
Free estimates
Warranties offered
"My home air conditioning wasn't functioning properly. Will Stahl analyzed the problem and had a replacement unit installed in less than 24 hours on the hottest day of the year! You cannot get better or more reliable service that Stahl's Mechanical! And great conversation too!"
+13
Serving Dillsburg, PA and surrounding areas
Approved
In business since 2006
Free estimates
Emergency services offered
"Our central air unit quit working late last night. I searched for a repair person, this morning, on Angie's list, selected AJB. They contacted me within minutes, texted back and forth, was told that they could be out this afternoon. They just left here, the unit is working fine. I am very pleased with the service and advice on our very old system. I would definitely use them again."
+6
Serving Dillsburg, PA and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Emergency services offered
"Tash has done a great job! When I bought my house A/C unit stopped working. I searched for a local heating and air conditioner team. He was available same day, came out to check my unit and gave me reasonable quote for entire high efficiency furnace and A/C unit. I can say that he is well educated and knew what he was doing. Unit was ordered and installed with no issue. I highly recommend ATD Tech for Heating and air conditioning needs."
Serving Dillsburg, PA and surrounding areas
Approved
In business since 2019
Free estimates
Emergency services offered
"Jim and Cindy gave us a great deal on purchasing and installing our new HVAC system/heat pump. They did an excellent job installing it! We highly recommend Purified Air LLC."
+2
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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