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Find Air conditioning pros in College Park

Avatar for BlueStar Air Mechanical Inc.
BlueStar Air Mechanical Inc.
4.9(
32
)

Serving College Park, MD and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"I contacted Bluestar Air Mechanical for a second opinion after an appointment with Air One. I have a Carrier HVAC system, and the Air One technician recommended a complete system replacement, claiming the blower was bad, the furnace control board needed replacing, and that there were other issues. Since replacing the HVAC is a big investment, I wanted to get a second opinion. It was only after comparing the service from Bluestar that I realized Air One may have been pushing for a new system sale or lacked the expertise to properly diagnose and repair the actual problems. Isaac, the technician from Bluestar, spent about an hour thoroughly diagnosing and fixing the issues. He found burnt wiring in the furnace and discovered that the wrong capacitor had been incorrectly installed in the AC. Isaac replaced the burnt wiring in the furnace and the capacitor in the AC. After these repairs, my Carrier system was back up and running—without the need for a costly replacement. Bluestar, and Isaac in particular, demonstrated professionalism, expertise, and honesty. They focused on resolving the actual issues instead of pushing for an unnecessary system replacement. I highly recommend Bluestar for their reliable service and Isaac’s thorough and knowledgeable work."
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+13

Response time6 hrs
2 neighbors recently requested a quote
Recommended by79%of homeowners
Avatar for GAC Services
GAC Services
4.8(
291
)

Serving College Park, MD and surrounding areas

Approved (Corporate)

In business since 1970

Free estimates

Warranties offered

"I am not normally inclined to write reviews about a vendor's performance, but in the case of GAC, I am compelled by gratitude to sing their high praises.  
My wife and I purchased a new older detached home in Rockville in the summer of 2014.  After receiving a variety of estimates, we settled on GAC to replace our HVAC system, which was about 25-years old.  They gave us a great deal on a mid-priced high efficiency system, and did a first class job on the installation.  But that's only the beginning of the story.
Once installed, we had GAC return to seal our ducts to maximize efficiency.  During the sealing process, they discovered that there was a major leak somewhere in our duct work.  The leak was so big they estimated we were losing about a ton of air inside our walls because of it -- one third of the energy produced by a three-ton system!  What a waste!
Uncertain of where the leaks were coming from, the president of the company -- himself a master technician -- returned to survey the ductwork using a thermal imaging gun, which detected an elevated heat signature in one of the main trunks coming off of the new furnace.  When he cut open the sheetrock, he found a 14" x 16" hole where a poorly repaired patch had given way years earlier.  He and his team also found and replaced (just for cost of materials) several poorly insulated duct pipes in the attic that were also contributing to the problem.
Now, fast forward to the summer of 2015.  While very pleased with our new HVAC system, we noticed that the second floor of the house was about 8-10 degrees warmer than the first floor -on the hottest days  -- not an uncommon problem for an older home.  So, we contacted GAC to see if there was anything they could do to improve sleeping conditions on the second floor.
Who comes out to do our semi-annual inspection and tune-up?  You guessed it -- the president of the company!!  He spends an hour tweaking things and presto -- the entire house is cool and comfy, and our energy bills are less than they were when we lived in a townhouse.
As customer experience goes, it doesn't get any better than that!
David S."
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61 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for McCrea Heating & Air Conditioning Services of MD
McCrea Heating & Air Conditioning Services of MD
4.5(
318
)

Serving College Park, MD and surrounding areas

Approved

In business since 1936

Free estimates

Emergency services offered

"Assesed overall condition of Unit as well as recommendations regarding repair/replacement. This went well. Prices discussed, however have not commited to follow thru with this company. Looking for more competitive pricing"
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13 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Simply Home Service, LLC
Simply Home Service, LLC
5.0(
30
)

Serving College Park, MD and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

I have been serving the Maryland, D.C. and Virginia area for over 20 years with my experience. My company is young, but my skills are old. Simply Home Service LLC is licensed and insured. We're dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. Call us now at 301-518-9977 or visit our website at www.simplyhomeservices.com \n\n

Response time3 hrs
Response rate97%
Recommended by93%of homeowners
Avatar for MSR Heating and Cooling, LLC
MSR Heating and Cooling, LLC
4.8(
33
)

Serving College Park, MD and surrounding areas

Approved

In business since 2002

Free estimates

Emergency services offered

"Moises, the company owner, is incredible. I called 5 HVAC companies to get quotes for full system replacement, and MSR was not only the most responsive, but he came out the very next day. He gave me an incredibly competitive and fair quote for my project, and we immediately gave him our business. Unfortunately, our AC died before he could do the work, but he came out to our house at 6pm on a Friday to drop off a portable AC unit so we wouldn't sweat all night long. We thought we'd be stuck without central air for a few days, but Moises came and worked 9 hours on a Saturday to replace both our furnace and our AC unit. Afterwards, he even gave us a great price on a yearly HVAC maintenance plan. MSR is run by an honest, hard-working tradesman who understands what customers want and need. I won't hesitate to recommend him to friends or to anyone who needs HVAC work done."
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+8

Response time4 hrs
Response rate99%
2 neighbors recently requested a quote
Avatar for Forage Mechanical
Forage Mechanical
4.8(
13
)

Serving College Park, MD and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"Forage Mechanical did a great job replacing our broken AC unit. Henry diagnosed the problem quickly (broken compressor) and offered some options that would fix the unit and retain warranty protection. He exhibited experience and competence. There were no special costs or fees, and he gave excellent focus to the job, completing ahead of schedule. I definitely recommend this company for your HVAC needs."
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+8

Response time7 hrs
Response rate96%
Recommended by91%of homeowners
Avatar for Cyprus Air Heating, Cooling and Fireplaces
Cyprus Air Heating, Cooling and Fireplaces
4.0(
524
)

Serving College Park, MD and surrounding areas

Approved

In business since 1967

Free estimates

Emergency services offered

"It was good. They have a lot of options. They did 2 hvac on me. They were professional and on time. They provided a photo of the technician so I knew who was coming"
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+13

Response time6 hrs
53 neighbors recently requested a quote
Recommended by77%of homeowners
Avatar for Beltway Air Conditioning, Heating & Plumbing
Beltway Air Conditioning, Heating & Plumbing
4.8(
74
)

Serving College Park, MD and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Dave the Tech was great. He called ahead to let me know he would be here in about 15 minutes and he arrived in the 15 minutes. He was courtesy and helpful and checked the unit inside and out. He explained every thing he was doing and what he found and how it could be fixed. Dave even took the time to talk to my husband over the phone on the issues he was finding. It was quite clear that Dave knew his stuff. I highly recommend Beltway Air Conditioning and Heating, LLC. I am definitely keeping their number by my phone."
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Our Team!
Response time1 day
Recommended by96%of homeowners
Avatar for JDL HVAC & Plumbing Services
JDL HVAC & Plumbing Services
4.5(
949
)

Serving College Park, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"Air conditioning stopped working. They were quick, courteous and reasonably priced. The technician explained to me what we was going to do and how he would determine what the issue was. I will use them again if the need arises."
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+118

Response time4 hrs
51 neighbors recently requested a quote
Recommended by91%of homeowners
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FAQs for air conditioning projects in College Park, MD

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.

The College Park, MD homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.