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Find Air conditioning pros in Nanjemoy

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

"I couldn't be happier with the service I received from McCrea Heating and Air Conditioning Services of Maryland. Upon returning from vacation on a 100 degree July day, I found my old HVAC system basically dead (90 degrees in my kitchen!) ... Shane immediately came out to provide an estimate, we signed a contract on the spot, and he kindly provided some freon to hold me over until the new system could be installed. Brian and Nick showed up exactly on time to install the unit, used drop cloths to protect my flooring, and were exceedingly polite and professional throughout. I'd highly recommend this organization."
Additional Photos
Additional Photos
Additional Photos
5 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 Humidifier - Install or Replace+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.
127 neighbors recently requested a quote
Recommended by91%of homeowners
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Avatar for ARS of Maryland
ARS of Maryland
4.1(
179
)
Central A/C - Service or RepairCentral A/C - InstallCentral Humidifier - Install or Replace+3 more

Serving Nanjemoy, 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
307 neighbors recently requested a quote
Recommended by72%of homeowners
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Avatar for Blue Dot
Blue Dot
4.1(
352
)
Central A/C - Service or RepairCentral A/C - InstallCentral Air Cleaner - Install or Replace+3 more

Serving Nanjemoy, MD and surrounding areas

Approved (Corporate)

In business since 1982

Free estimates

Emergency services offered

"I purchased the Annual Maintenance Plan for my Heating & Air Conditioning systems. Blue Dot has excellent customer service. Adrian serviced my heating system yesterday and he was great!!"
System Installation
544 neighbors recently requested a quote
Recommended by70%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

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
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F.H. Furr Plumbing Heating & Air Conditioning Inc
4.0(
25
)
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

"The price was part of my check up I got. I just like that they seemed to want to talk me into having my air conditioning cleaned and it only been out there like 6 months. My interaction with them was fine. I told them no and so be it. The work turned out fine. They were fine."
15 neighbors recently requested a quote
Recommended by54%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

The Irrigation Professionals have been installing, repairing, and maintaining irrigation systems for over 25 years. We are licensed with Master Plumber License in Virginia and Maryland. We service and maintain irrigation systems in VA/MD/DC. We also service and maintain both traditional and LED Lighting systems in the DC Metro are.

Installation Work
Installation work
Installation work
Additional Photos
Response time1 day
Response rate100%
Recommended by61%of homeowners
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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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