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Find Air conditioning pros in Waldorf

Avatar for BlueStar Air Mechanical Inc.
BlueStar Air Mechanical Inc.
4.9(
32
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Waldorf, 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 time3 hrs
Response rate100%
3 neighbors recently requested a quote
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Avatar for McCrea Heating & Air Conditioning Services of MD
McCrea Heating & Air Conditioning Services of MD
4.5(
318
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+6 more

Serving Waldorf, 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."
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12 neighbors recently requested a quote
Recommended by87%of homeowners
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Avatar for McCarthy Services
McCarthy Services
4.2(
370
)
Central A/C - Service or RepairCentral A/C - InstallCentral Air Cleaner - Repair or Service+3 more

Serving Waldorf, 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.
472 neighbors recently requested a quote
Recommended by91%of homeowners
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Avatar for Cyprus Air Heating, Cooling and Fireplaces
Cyprus Air Heating, Cooling and Fireplaces
4.0(
525
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Install - For Business

Serving Waldorf, 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 time8 hrs
Response rate100%
62 neighbors recently requested a quote
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Avatar for Perry's Air Conditioning and Heating Service
Perry's Air Conditioning and Heating Service
4.7(
27
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+6 more

Serving Waldorf, 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 time8 hrs
Response rate86%
30 neighbors recently requested a quote
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Avatar for ARS of Maryland
ARS of Maryland
4.1(
176
)
Central A/C - Service or RepairCentral A/C - InstallCentral Air Cleaner - Repair or Service+3 more

Serving Waldorf, 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."
New System Installation
1130 neighbors recently requested a quote
Recommended by73%of homeowners
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Avatar for Mission Comfort
Mission Comfort
4.9(
23
)
Central A/C - Service or Repair

Serving Waldorf, MD and surrounding areas

Approved

In business since 2019

Emergency services offered

Warranties offered

"Mission Comfort is one of the best HVAC companies that I have ever had the pleasure of doing business with. They were extremely knowledgeable, professional, clean, prompt and answered any and all questions. They are truly my one and only HVAC company that I will rely on in the future."
Old Boiler
Old Boiler
New Hot Water Circulating Boiler
New Hot Water Circulating Boiler
Response time30 mins
1 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for Blue Dot
Blue Dot
4.1(
347
)
Central A/C - Service or RepairCentral A/C - InstallCentral Humidifier - Install or Replace+3 more

Serving Waldorf, MD and surrounding areas

Approved (Corporate)

In business since 1982

Free estimates

Emergency services offered

"The technician who serviced our furnace did an excellent job. He is knowledgeable, efficient, and courteous. We welcome him to attend to our heating and air conditioning needs at any time."
System Installation
390 neighbors recently requested a quote
Recommended by71%of homeowners
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Avatar for PMD Heating & Cooling LLC
PMD Heating & Cooling LLC
5.0(
13
)
Central A/C - Service or RepairCentral Humidifier - Repair or Service

Serving Waldorf, MD and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

We take great pride in our reputation of experience, expertise, quality, and customer service to meet our consumers' needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of your project. We take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job from start to finish. We look forward to working on your next project.

Response time3 hrs
Response rate92%
4 neighbors recently requested a quote
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Avatar for HPC Services
HPC Services
5.0(
13
)
Central A/C - InstallDuctless Mini-split A/C - Install or Replace

Serving Waldorf, MD and surrounding areas

Approved

In business since 2024

Emergency services offered

Warranties offered

"They answered all the questions I had about the new A/C unit. Customer service was the best service I've had in a long time.Â"
HVAC
Plumbing
HPC Services HVAC and Plu
HPC Services HVAC and Plu
HPC Services HVAC and Plu

+5

Response time5 hrs
Recommended by91%of homeowners
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FAQs for air conditioning projects in Waldorf, 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 Waldorf, MD homeowners’ guide to air conditioning services

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

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