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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

"Danny treated me like an old friend with helpful and timely service. It was refreshing. He inspected the unit, found a failed capacitor caused by an add-on Michael and Sons installed last inspection. Danny replaced the failed part, removed the add-on, and I was back in business in less than 30 minutes. I have a new HVAC provider!"
Additional Photos
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+13

Response time3 hrs
Response rate100%
4 neighbors recently requested a quote
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

"Checked Angie's List and saw a very good review for McCrea Heating and Air Conditioning, plus a special promotional coupon so gave them a try. Service tech (Mike) made a multi-point inspection. He found and corrected some minor issues and added coolant. Fortunately nothing major was required. He was on time and courteous, and readily answered the questions I peppered him with. A very positive experience."
Additional Photos
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7 neighbors recently requested a quote
Recommended by87%of homeowners
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 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
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for PMD Heating & Cooling LLC
PMD Heating & Cooling LLC
5.0(
15
)
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%
10 neighbors recently requested a quote
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

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
Hunt Plumbing, Heating and Air Conditioning, LLC
4.6(
791
)
Central Humidifier - Install or Replace

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 time7 hrs
19 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.