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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 La Plata, 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."
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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 La Plata, 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 Cyprus Air Heating, Cooling and Fireplaces
Cyprus Air Heating, Cooling and Fireplaces
4.0(
525
)
Central A/C - InstallCentral A/C - Install - For BusinessDuctless Mini-split A/C - Install or Replace

Serving La Plata, MD and surrounding areas

Approved

In business since 1967

Free estimates

Emergency services offered

"Call out went very well. Lovely young man serviced the system who was informative and arrived promptly. We've used Cyprus Air previously to install a gas fire in the basement and they continue to give very very good service."
Additional Photos
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+13

Response time8 hrs
Response rate100%
16 neighbors recently requested a quote
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Avatar for ARS of Maryland
ARS of Maryland
4.1(
178
)
Central A/C - Service or RepairCentral A/C - InstallCentral Humidifier - Install or Replace+3 more

Serving La Plata, 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 PMD Heating & Cooling LLC
PMD Heating & Cooling LLC
5.0(
15
)
Central A/C - Service or RepairCentral Humidifier - Repair or Service

Serving La Plata, 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%
12 neighbors recently requested a quote
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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 La Plata, 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 La Plata, 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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Hunt Plumbing, Heating and Air Conditioning, LLC
4.6(
791
)
Central Humidifier - Install or Replace

Serving La Plata, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Emergency services offered

"I am so happy and pleased with the services that I received from Hunt plumbing heating and air conditioning they return my call right away they got someone out to me as soon as they could the person was very very professional very informative!!! I am so grateful for their services I will be using them in the future for yearly check ups!!!!!"
Air Handler replacement
Before AHU replacement
Response time7 hrs
22 neighbors recently requested a quote
Recommended by97%of homeowners
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Avatar for 3MMECHANICAL
3MMECHANICAL
4.9(
32
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving La Plata, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Emergency services offered

Warranties offered

Our mission at 3MMechanical is to continue the growth of our business by doing right by all of our clients. We love seeing that one of a kind smile on a home owners face at the end of a project! 3MMechanical stacks up with the competition and surpasses it with competitive prices, second to none workmanship and a prompt/responsive team! We give you quality that you can measure, and a finished product that will enhance your home forever. Call us today! \n

SERVICE CALLS
SERVICE CALLS
SERVICE CALLS
SERVICE CALLS
SERVICE CALLS

+8

Response time3 hrs
Response rate89%
1 neighbors recently requested a quote
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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 La Plata, 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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Showing 1-10 of 368

FAQs for air conditioning projects in La Plata, 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 La Plata, 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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