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Find Air conditioning pros in Dunkirk

Avatar for Grove Heating and Cooling Inc
Grove Heating and Cooling Inc
4.7(
153
)

Serving Dunkirk, MD and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Everything went extremely well. I found Grove a completely professional organization with highly skilled workers. Their plumber subcontractor handled the installation of all gas piping in my house, oversaw the hookup with BGE's gas line and installed the hot water heater. Grove provided a skilled crew of 5, with 2 working outside and 3 inside to remove all old equipment, do some duct repair and install the new air conditioner, gas furnace, humidifier and thermostat in 2 days. They also removed all debris from the worksite and swept it clean. Their work proposal included a year's maintenance, which I feel sure will be equally satisfactory. This was a big project (3 days including the plumber), but I am confident they would handle both small and large jobs with the same competence and professionalism. I highly recommend them."
Response time5 hrs
Response rate100%
18 neighbors recently requested a quote
Avatar for GAC Services
GAC Services
4.8(
293
)

Serving Dunkirk, MD and surrounding areas

Approved (Corporate)

In business since 1970

Free estimates

Warranties offered

"GAC services was able to come out for a same day trouble shooting appointment. Jim S arrived on time and was very courteous and professional. He was able to quickly identify the problem with the registers and dampers and able to get warm air flowing to the otherwise very cold areas of the house. In addition, Jim was able to recommend some additional services that would help me achieve the desired evenness of temperature such as an additional return and humidifier for the home. Great experienced master certified technician!"
Additional Photos
12 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for McCrea Heating & Air Conditioning Services of MD
McCrea Heating & Air Conditioning Services of MD
4.5(
318
)

Serving Dunkirk, MD and surrounding areas

Approved

In business since 1936

Free estimates

Emergency services offered

"We had them Replaced furnace and air conditioning unit. It was installed about a year ago but they came out for a regular service about a month ago. the service was free, part of the contract. I have no complaints, it was all good. They were responsive. they were punctual. I have no problems, it was a good deal when I bought it, it's a good deal now. I don't have any issues with how the service went. i bought it through them and I have no regrets and everything was the same as I felt when I bought it. It was a good deal, I made the right choice. Anytime you buy a major system and it doesn't go right you have a problem. I'm a happy camper.1 worker took less than an hour to complete."
Additional Photos
Additional Photos
Additional Photos
12 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for ARS of Maryland
ARS of Maryland
4.1(
176
)

Serving Dunkirk, 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
1119 neighbors recently requested a quote
Recommended by73%of homeowners
Avatar for JDL HVAC & Plumbing Services
JDL HVAC & Plumbing Services
4.5(
119
)

Serving Dunkirk, MD and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"Our air conditioner stopped cooling on a Friday before a heat wave and by Saturday afternoon it was fixed, and not as an expensive emergency service call. Isak did a professional job accurately diagnosing the problem and fixing it in short order. Very happy with the service."
Navien Tankless 2023
Navien Tankless 2023
Navien Tankless 2023
Navien Tankless 2023
18 SEER Infinity Heat Pump

+73

Response time8 hrs
Response rate100%
17 neighbors recently requested a quote
Avatar for HPC Services
HPC Services
5.0(
13
)

Serving Dunkirk, 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
Avatar for 3MMECHANICAL
3MMECHANICAL
4.9(
25
)

Serving Dunkirk, 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 by4%of homeowners
Avatar for Fixed Right & Guaranteed, LLC
Fixed Right & Guaranteed, LLC
5.0(
7
)

Serving Dunkirk, MD and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

At Fixed Right & Guaranteed, we’re more than just an HVAC company—we’re a local, family-owned business committed to providing exceptional service and building a positive, supportive team culture. Since our founding in 2009, we’ve focused on creating a workplace where our team thrives, earning recognition as Service Nation Contractor of the Year, US & Canada Eastern Region. Our team of Super Techs is expertly coached to go above and beyond, no matter the job. Our mission: We create WOW experiences and exceed the expectations of our clients, our community, our team, and our families.

My jobs
My jobs
My jobs
My jobs
Response time1 day
Response rate100%
7 neighbors recently requested a quote
Avatar for K & K Industrials
K & K Industrials
3.7(
161
)

Serving Dunkirk, MD and surrounding areas

Approved

In business since 2005

Emergency services offered

Credit card accepted

"I called Kenny at K and K and he was able to come out the same day to install a window air conditioner. This job was challenging because it was a 14,000 BTU unit not a normal slide in type. He did an excellent job on a day temperatures were at 95 degrees. I would definitely recommend this company."
Serviced and repaired
Refrigeration - move units from inside to outside
Swap out compressor to sandwich box for a deli
Servicing T.stats in one central location
Found leak in indoor coil, Service at Local apt.

+16

Response time6 hrs
1 neighbors recently requested a quote
Recommended by88%of homeowners
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Showing 1-10 of 341

FAQs for air conditioning projects in Dunkirk, 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 Dunkirk, MD homeowners’ guide to air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.