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Find Air conditioning pros in District Heights

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

Serving District Heights, 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 McCrea Heating & Air Conditioning Services of MD
McCrea Heating & Air Conditioning Services of MD
4.5(
318
)

Serving District Heights, 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 MSR Heating and Cooling, LLC
MSR Heating and Cooling, LLC
4.8(
33
)

Serving District Heights, 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 McCarthy Services
McCarthy Services
4.2(
370
)

Serving District Heights, MD and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Credit card accepted

"They really helped out in a serious bind! Great customer service and install. You wouldn’t even know they had been in our home to install a new furnace and air conditioning units. Highly recommend!"
Installing a new A/C system.
651 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Forage Mechanical
Forage Mechanical
4.8(
13
)

Serving District Heights, MD and surrounding areas

Approved

In business since 2017

Free estimates

Credit card accepted

"After having a very bad experience with another HVAC company, I used them and quickly saw how the other HVAC company was over charging. I found my technician to be very knowledgeable, hardworking and honest. He repaired one AC unit and replaced the other. Would definitely recommend!"
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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 District Heights, MD and surrounding areas

Approved

In business since 1967

Free estimates

Emergency services offered

"Roberto F did a great job installing my air conditioner, I recommend highly. Also Michael J was excellent in showing and explaining what needed to be done about my air conditioner, I recommend him Highly too!!!
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+13

Response time6 hrs
53 neighbors recently requested a quote
Recommended by77%of homeowners
Avatar for JDL HVAC & Plumbing Services
JDL HVAC & Plumbing Services
4.5(
949
)

Serving District Heights, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Emergency services offered

"Mr Isak fix my air conditioning Outside unit and performed a system check. During the service check he found the installation booklet inside the unit which could have caused additional problems. Mr Isak was very professional and had a great personality. I would definitely recommend this company to anyone looking for service."
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+118

Response time4 hrs
50 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Perry's Air Conditioning and Heating Service
Perry's Air Conditioning and Heating Service
4.7(
27
)

Serving District Heights, MD and surrounding areas

Approved

Super Service Award Winner

In business since 1997

Free estimates

Emergency services offered

"Thrilled to share that our new HVAC system is fully installed and operating flawlessly. The installation was seamless, and the performance has exceeded expectations—improved efficiency, consistent climate control, and a noticeable boost in overall comfort. Many thanks to the team at John C Perry dba Perry's Air Conditioning & Heating Service for their professionalism and expertise throughout the process. If you're considering an upgrade, I highly recommend working with experienced professionals who can deliver both quality and peace of mind."
Response time9 hrs
38 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Petro Home Services
Petro Home Services
4.3(
103
)

Serving District Heights, MD 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!

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Response time6 days
20 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for ARS of Maryland
ARS of Maryland
4.1(
175
)

Serving District Heights, MD and surrounding areas

Approved (Corporate)

In business since 1945

Free estimates

Emergency services offered

"Misunderstanding between Blue Dot and Baltimore County on the inspection.The unit was not installed according to Baltimore county code. Inspection has failed twice. Unit needs to be 3 feet from connection box. They have come out a couple times since the inspection has failed but the issue has not be resolved. It was clearly explained by Baltimore county what needed to be done. I always initiate the calls with them regarding this issue. I did not feel as if they are taking my situation seriously and I would not work them again. I was not advised I was being charged $75 to pay Baltimore County to inspect the Air Condition install. Promised by Jeff, supposedly, a manager a Rep would be at my house in 20 minutes on 12/17/19, no one showed. Jeff acted confused wanted to take a photo so he could figure out what needed to be done to move an Air Conditioning unit 3 ft from connector. Company trades under Blue Dot HVAC. Richard was very friendly and helpful with accommodating the codes for the County."
New System Installation
1560 neighbors recently requested a quote
Recommended by74%of homeowners
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FAQs for air conditioning projects in District Heights, 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 District Heights, MD homeowners’ guide to air conditioning services

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