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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

"Grove did a great job in presenting all options for our new AC system and potential air cleaning systems (without making any aggressive sales pitches), and then did a great job with installing the new system. The new system has been in place for a few weeks now and is working very well - great job by Grove."
Response time3 hrs
21 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for GAC Services
GAC Services
4.8(
291
)

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
62 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
9 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Beltway Air Conditioning, Heating & Plumbing
Beltway Air Conditioning, Heating & Plumbing
4.8(
74
)

Serving Dunkirk, MD and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Ryan and Mitch came out and spent about 30 minutes checking out the various components of my air handler and heat pump. They scrubbed some rust off of coils and they identified a capacitor that needed to be replaced showing me how the part was showing its wear. They will return in a week to replace it. They were professional and took the time to explain things to me. I will certainly use them again!"
Brazing
XC25
XC25
Our Team!
Response time1 day
Recommended by96%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

"IRE YUSUFF from JDL HVAC SERVICES LLC. was Extremely Professional. Serviced our furnace for the winter, checked everything from every wire to every part to air input/output etc... IRE answered every question and explained a part that needed replaced. He showed the old part and it's voltage that was deficient then the new part and the proper voltage for our unit. He was Extremely Professional and Knowledgeable. We even decided to have him/his company to return again in the Spring to service our air conditioning. We found them through HOME ADVISOR and within 10 minutes of me requesting a quote for maintenance/service JDL HVAC SERVICES, LLC was calling me on the phone. They set up service for the very next day which was a SUNDAY. I would totally recommend them to anyone in need of through/excellent service. THANK YOU!"
Navien Tankless 2023
Navien Tankless 2023
Navien Tankless 2023
Navien Tankless 2023
18 SEER Infinity Heat Pump

+73

Response time5 hrs
20 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for ARS of Maryland
ARS of Maryland
4.1(
174
)

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
1595 neighbors recently requested a quote
Recommended by74%of homeowners
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

"I would highly recommend HPC Services! They responded quickly when we called for an estimate on a new heat pump. The gentlemen who were in our home installing the unit were professional and polite and very nice to our little dogs. Sergio stayed and answered all of our questions until late in the evening. They offered us a free duct cleaning and that was completed on Monday after the Friday install. Emmett worked quickly and professionally. He was so very nice and easy to talk to. I was most impressed with the fact that they offer a Veterans discount. If are looking for an amazing company for any HVAC work, I urge you to give them a call!! Karen Hamner"
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 HPC Services
HPC Services
4.7(
24
)

Serving Dunkirk, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

15% Military and Veterans discount! \n$50 Water Heater Tune Up!\n$50 AC Tune Up!\n\nHPC Services is a proud Service Disabled Veteran Owned Small Business brining a fresh take on HVAC and plumbing to Maryland. Our technicians are trained to service, repair, and maintain your systems. \n\nHPC Services offers HVAC servicing and repair, HVAC replacement, new HVAC installations, ductwork, duct and vent cleaning, plumbing services and pipe repairs, main drain line snaking, line snaking, drain cleaning, clog removal and more! \n\nFinancing available!

installing a boiler refractory blanket, and cleaning inside of boiler
installed straight ac unit
rooftop package units
replacing a heat exchanger on an rtu
past work

+12

33 neighbors recently requested a quote
Recommended by63%of homeowners
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Showing 1-10 of 340

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.