Serving Owings, MD and surrounding areas
Approved (Corporate)
In business since 1970
Free estimates
Warranties offered
"My experience was fine. I went with this company instead of another company because of the reviews I read on Angie's List. It took them about a half a day to install the air conditioning unit. I think it was 3 workers that came out."
Serving Owings, MD and surrounding areas
Approved
In business since 1936
Free estimates
Emergency services offered
"We had them Replaced furnace and air conditioning unit. It was installed about a year ago but they came out for a regular service about a month ago. the service was free, part of the contract. I have no complaints, it was all good. They were responsive. they were punctual. I have no problems, it was a good deal when I bought it, it's a good deal now. I don't have any issues with how the service went. i bought it through them and I have no regrets and everything was the same as I felt when I bought it. It was a good deal, I made the right choice. Anytime you buy a major system and it doesn't go right you have a problem. I'm a happy camper.1 worker took less than an hour to complete."
Serving Owings, MD and surrounding areas
Approved (Corporate)
In business since 1903
Emergency services offered
Warranties offered
"I AM BUYING A HEATER SERVICE CONTRACT FROM PETRO THIS YEAR."
Serving Owings, MD and surrounding areas
Approved (Corporate)
In business since 1945
Free estimates
Emergency services offered
"Arrived on time , very detailed on a very difficult install . The installation team checked all the boxes, I highly recommend this company for air-conditioning services."
Serving Owings, MD and surrounding areas
Approved
In business since 2012
Free estimates
Emergency services offered
"IRE YUSUFF from JDL HVAC SERVICES LLC. was Extremely Professional. Serviced our furnace for the winter, checked everything from every wire to every part to air input/output etc... IRE answered every question and explained a part that needed replaced. He showed the old part and it's voltage that was deficient then the new part and the proper voltage for our unit. He was Extremely Professional and Knowledgeable. We even decided to have him/his company to return again in the Spring to service our air conditioning. We found them through HOME ADVISOR and within 10 minutes of me requesting a quote for maintenance/service JDL HVAC SERVICES, LLC was calling me on the phone. They set up service for the very next day which was a SUNDAY. I would totally recommend them to anyone in need of through/excellent service. THANK YOU!"
+73
Serving Owings, MD and surrounding areas
Approved
In business since 2024
Emergency services offered
Warranties offered
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! We have military and first responder discounts available!\n\n\nDiabled owned Veteran Company!
+5
Serving Owings, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2008
Free estimates
Emergency services offered
"I am so happy and pleased with the services that I received from Hunt plumbing heating and air conditioning they return my call right away they got someone out to me as soon as they could the person was very very professional very informative!!! I am so grateful for their services I will be using them in the future for yearly check ups!!!!!"
Serving Owings, MD and surrounding areas
Approved
Super Service Award Winner
In business since 2020
Emergency services offered
Warranties offered
"Mr. Bonhom (Mike) showed up on time and jumped right on the job. He explained that I didn’t have the issue I thought I had and did a thorough check on both my heating and A/C systems and told me when I should change my filters. His service call fee was great! I highly recommend 3M Mechanical!!"
+8
Serving Owings, MD and surrounding areas
Approved
In business since 2005
Free estimates
Emergency services offered
At Fixed Right & Guaranteed, we’re more than just an HVAC company—we’re a local, family-owned business committed to providing exceptional service and building a positive, supportive team culture. Since our founding in 2009, we’ve focused on creating a workplace where our team thrives, earning recognition as Service Nation Contractor of the Year, US & Canada Eastern Region. Our team of Super Techs is expertly coached to go above and beyond, no matter the job. Our mission: We create WOW experiences and exceed the expectations of our clients, our community, our team, and our families.
Serving Owings, MD and surrounding areas
Approved (Corporate)
In business since 1981
Free estimates
Emergency services offered
"It was pricy, but it was good service. Well, that's hard to say because it's all expensive, as oppose to any other air conditioning company, it's about the same, just too much money in general."
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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