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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 Hughesville, 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
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12 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 Air Cleaner - Repair or Service+3 more

Serving Hughesville, MD and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Credit card accepted

"Very helpful. Explained condition of my heat pump and how it worked. Set up replacement consultation."
Installing a new A/C system.
463 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 Hughesville, MD and surrounding areas

Approved (Corporate)

In business since 1945

Free estimates

Emergency services offered

"My husband and I were very happy with the service we received from ARS and we will continue to employee them for all our air conditioning needs."
New System Installation
1102 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 - Service or RepairCentral A/C - InstallCentral Humidifier - Install or Replace+3 more

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

Serving Hughesville, 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
11 neighbors recently requested a quote
Recommended by97%of homeowners
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Avatar for 3MMECHANICAL
3MMECHANICAL
4.9(
30
)
Central A/C - Service or RepairCentral A/C - Service or Repair - For Business

Serving Hughesville, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Emergency services offered

Warranties offered

"Mr. Bonhom (Mike) showed up on time and jumped right on the job. He explained that I didn’t have the issue I thought I had and did a thorough check on both my heating and A/C systems and told me when I should change my filters. His service call fee was great! I highly recommend 3M Mechanical!!"
SERVICE CALLS
SERVICE CALLS
SERVICE CALLS
SERVICE CALLS
SERVICE CALLS

+8

Response time3 hrs
Response rate89%
Recommended by3%of homeowners
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F.H. Furr Plumbing Heating & Air Conditioning Inc
4.0(
21
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Hughesville, 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."
25 neighbors recently requested a quote
Recommended by63%of homeowners
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Avatar for Linares Construction Llc
Linares Construction Llc
5.0(
29
)
Window A/C Unit - InstallWindow A/C Unit - Install - For Business

Serving Hughesville, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Credit card accepted

We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule an estimate today! \n

Additional Photos
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Additional Photos
Additional Photos

+116

Response time2 days
Response rate100%
3 neighbors recently requested a quote
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Avatar for Vazquez & Son construction Inc.
Vazquez & Son construction Inc.
4.2(
168
)
Window A/C Unit - InstallWindow A/C Unit - Install - For Business

Serving Hughesville, MD and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

With over 15 years of experience, Vazquez & Sons Construction should be your first call for your home improvement projects. We specialize in Kitchen & Bathroom Remodeling, Carpet Installation, General Remodeling and General Handyman projects. Call us today to start your home improvement project!

Basement Flooring
Basement Flooring
Exterior siding
Front
Basement Flooring

+59

Response time2 days
6 neighbors recently requested a quote
Recommended by74%of homeowners
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FAQs for air conditioning projects in Hughesville, 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 Hughesville, 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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