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Find Air conditioning pros in Waldorf

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

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 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 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
Avatar for McCarthy Services
McCarthy Services
4.2(
370
)

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.
520 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Cyprus Air Heating, Cooling and Fireplaces
Cyprus Air Heating, Cooling and Fireplaces
4.0(
524
)

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 time6 hrs
61 neighbors recently requested a quote
Recommended by77%of homeowners
Avatar for Perry's Air Conditioning and Heating Service
Perry's Air Conditioning and Heating Service
4.7(
27
)

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 time9 hrs
33 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for ARS of Maryland
ARS of Maryland
4.1(
176
)

Serving Waldorf, 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
1309 neighbors recently requested a quote
Recommended by73%of homeowners
Avatar for Mission Comfort
Mission Comfort
4.9(
23
)

Serving Waldorf, MD and surrounding areas

Approved

In business since 2019

Emergency services offered

Warranties offered

"Mission Comfort Heating and Air Company is the definition of excellent customer service. From the first time I used their services back in the winter of 2019 when my heat system was not working, to two years later when I was having issues with my heating and air conditioning system, this company have gone above and beyond to provide outstanding service and customer satisfaction. John and Ron, who I had the pleasure of working with, were both very pleasant, friendly, and prompt. These guys exemplifies the definition of transparency and socially responsible. I've become victim by many bad players with whom I'd reported to the State Attorney's and BBB, so trust me when I tell you that these words do not easily fall from my lips. Each time John and Ron had come out, they have each taken the time to explain while illustrating every mechanism associated with the problem in full detail to ensure that I comprehended what their findings were and how the problem may be either mitigated or repaired. Additionally, they provided me with a proposal that contained a couple of options based on the actual solution (repairs) that the system needed...which, in my personal opinion, depicts as a company that takes its customer's fiscal situations and needs into consideration, unlike other companies that will stick a customer with the highest ticket priced solution or an upsell. Plus, Ron went the extra mile by offering me portable heaters to keep my family warm throughout the night until the HVAC system was fixed the next day. Customer service and satisfaction, at best! Ron was able to schedule for John to arrive the next morning to clean the blower fan and to install the new blower motor. John arrived on time and begin servicing the unit in a timely and professional manner. There were no "new issues" that fell out of thin air. John showed me the finished product (a pristine, clean blower fan) and a system that regain its ability to operate at its optimization. I can't say enough about Mission Comfort and their commitment to customer service. These guys are great. Their care for customers also goes a long way with me. They are honest, thorough, friendly, and show great respect to their customers. They are willing to put their customers first and provide the best service possible. I highly recommend Mission Comfort and will be using them in the future, as well as, recommending them to my family and friends."
Old Boiler
Old Boiler
New Hot Water Circulating Boiler
New Hot Water Circulating Boiler
Response time30 mins
Recommended by100%of homeowners
Avatar for HPC Services
HPC Services
5.0(
13
)

Serving Waldorf, 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!

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
J A W & Sons
4.7(
31
)

Serving Waldorf, MD and surrounding areas

Approved

In business since 2018

Free estimates

Customers say: Quality work

At J A W & Sons, we take great pride our experience, expertise, quality and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

Response time1 day
3 neighbors recently requested a quote
Recommended by96%of homeowners
Hunt Plumbing, Heating and Air Conditioning, LLC
4.6(
791
)

Serving Waldorf, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Emergency services offered

"The Technician, Matt, was extremely knowledgeable and proficient in troubleshooting the problem with our gas-fired water heater. He was able to quickly find the problem , had most of the needed parts in his truck, and had it fixed in short order. He did a good job of explaining the issue. The cost was very reasonable. I would call HUNT for any future problem with plumbing, heating, and air conditioning. A great, honest, and reliable company!"
Air Handler replacement
Before AHU replacement
Response time9 hrs
15 neighbors recently requested a quote
Recommended by97%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.