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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 Nanjemoy, 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"
Additional Photos
Additional Photos
Additional Photos
10 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 - InstallCentral A/C - Service or RepairCentral Air Cleaner - Repair or Service+3 more

Serving Nanjemoy, MD and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Credit card accepted

"OUTSTANDING JOB, REPLACED MY OLD CENTRAL AIR CONDITION SYSTEM."
Installing a new A/C system.
418 neighbors recently requested a quote
Recommended by91%of homeowners
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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 Nanjemoy, MD and surrounding areas

Approved (Corporate)

In business since 1945

Free estimates

Emergency services offered

"Brandon Brock arrived at my home this evening. He is very relatable with a keen sense of professionalism for the services he provide. I now understand how to properly clean my air filter and operate my nest thermostat. I still operate sort of old school but he encouraged me to utilized the nest app to help manage the temperature of my home. Most people use jargons, or acronym when explaining techniques, but Brandon was very patient with me and did not mind explaining anything more than once. It was a pleasure to meet him and started my weekend off in a good way."
New System Installation
901 neighbors recently requested a quote
Recommended by73%of homeowners
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Avatar for Blue Dot
Blue Dot
4.1(
347
)
Central A/C - InstallCentral A/C - Service or RepairCentral Humidifier - Install or Replace+3 more

Serving Nanjemoy, 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
363 neighbors recently requested a quote
Recommended by71%of homeowners
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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 Nanjemoy, 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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F.H. Furr Plumbing Heating & Air Conditioning Inc
3.9(
23
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Nanjemoy, MD and surrounding areas

Approved (Corporate)

In business since 1981

Free estimates

Emergency services offered

"It was pricy, but it was good service. Well, that's hard to say because it's all expensive, as oppose to any other air conditioning company, it's about the same, just too much money in general."
26 neighbors recently requested a quote
Recommended by60%of homeowners
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Avatar for The Irrigation Professionals
The Irrigation Professionals
3.9(
18
)
Outdoor Mist Cooling System - InstallOutdoor Mist Cooling System - Install - For BusinessOutdoor Mist Cooling System - Service or Repair+1 more

Serving Nanjemoy, MD and surrounding areas

Approved

Free estimates

Emergency services offered

Credit card accepted

"They installed a complete irrigation system.They are very good. They know what they were doing and the job was done to our satisfaction. The quality was great and the job was great. Any time we have an issue, we call them, they will come back and fix it. I didn't expect anything less from them because they were referred to us by another contractor. They're very professional. I will very much use them again."
Installation Work
Installation work
Installation work
Additional Photos
Response time1 day
Response rate100%
5 neighbors recently requested a quote
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United Air Temp, Air Conditioning and Heating
New to Angi
Central A/C - Service or Repair

Serving Nanjemoy, MD and surrounding areas

Approved (Corporate)

In business since 2009

Free estimates

Credit card accepted

Comfort First Heating & Cooling is the team you need for all your home solutions. Comprehensive comfort is our legacy.\n\nWe're dedicated to delivering unparalleled customer service that mirrors our core values of integrity, stewardship, and excellence.\n\nWe look forward to having you join the Comfort First family as we continue our mission of creating customers for life by earning your business.

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Avatar for D&D HVAC, LLC
D&D HVAC, LLC
New to Angi
Swamp Cooler - Service or Repair - For Business

Serving Nanjemoy, MD and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

10 years of experience Proudly serves its customers with pride, integrity and attention to the details that matter most to you. This is one of the many things that sets us apart from the rest. We are locally owned and operated. Give us a call today!As a family business we take great pride in over 30 years of experience, expertise and quality customer service that we provide to our customers. It is our mission to give you excellent workmanship and customer satisfaction from start to completion of a project.

Response time20 mins
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FAQs for air conditioning projects in Nanjemoy, 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 Nanjemoy, 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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