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HVAC pros near you

9 hvac pros serving Frederick, MD. Compare experience, team size and the work they do, then contact them directly — Fixerlane never charges customers.

Top pros for your project

1. Greens Residential Improvement LLC

Frederick, MD12 years in business3 employees

Greens Residential Improvement LLC provides central air conditioning installation in Frederick, MD. The business has been operating for 12 years with a team of 3. A frequent problem with new installs is poor sizing. A unit too large cycles on and off and leaves the house clammy, while one too small runs constantly. A room-by-room load calculation and a check of existing ductwork help match equipment to the home. Common requests for central air conditioning installation include ductwork modifications for cooling, old unit removal and disposal, evaporator coil installation, electrical disconnect installation and new refrigerant line sets. Greens Residential Improvement LLC is also listed for duct and vent cleaning. An aging system that needs frequent repairs, uses an outdated refrigerant, or can no longer keep the house comfortable on hot days is the usual trigger for replacement. Share the home's square footage, number of stories, age of the current system, and photos of the outdoor unit data plate and indoor furnace or air handler. Equipment size and efficiency level, whether ductwork needs changes, and the complexity of line set routing are the main factors in central AC pricing. Customers in Frederick and nearby areas such as Walkersville, Middletown and Myersville can request a quote. Posted hours are Monday to Sunday, 6:00 am to 11:59 pm. Accepted payment methods include Apple Pay, Cash, Check, Credit card, Samsung Pay and Stripe. To get started, send Greens Residential Improvement LLC a request on Fixerlane with the details of your project.

2. Markool Heating Cooling Plumbing

Frederick, MD10 years in business12 employees

Markool Heating Cooling Plumbing is a central air repair technician serving Frederick, MD. The business has been operating for 10 years with a team of 12. Diagnosis typically starts at the thermostat, moves to the indoor air handler and filter, and finishes at the outdoor condenser. Readings taken at each point help separate a simple fix, like a failed capacitor or clogged drain, from a larger problem such as a refrigerant leak or a compressor fault. Common requests for central air conditioning repair include capacitor replacement, clogged condensate drain line, contactor replacement, frozen evaporator coil and AC not cooling diagnosis. Rattling, grinding, or repeated clicking noises from the condenser, along with a sudden jump in summer power bills, often lead homeowners to call for a repair visit. Mention where the indoor unit sits, whether in an attic, closet, garage, or basement, along with access limits like a pull-down ladder or locked side gate. System age, part availability for the specific model, and whether the visit falls on evenings or weekends are the usual factors behind a repair quote. Customers in Frederick and nearby areas such as Walkersville, Middletown and Myersville can request a quote. Posted hours are Monday to Friday, 7:00 am to 5:00 pm. Accepted payment methods include Cash, Check and Credit card. Request a quote from Markool Heating Cooling Plumbing on Fixerlane and describe the job you need done.

3. FRANSEVL HOME IMPROVEMENTS

Frederick, MD8 years in business5 employees

Based in Frederick, MD, FRANSEVL HOME IMPROVEMENTS works as a central air conditioning repair service. The business has been operating for 8 years with a team of 5. Diagnosis typically starts at the thermostat, moves to the indoor air handler and filter, and finishes at the outdoor condenser. Readings taken at each point help separate a simple fix, like a failed capacitor or clogged drain, from a larger problem such as a refrigerant leak or a compressor fault. Common requests for central air conditioning repair include capacitor replacement, compressor diagnosis, frozen evaporator coil, AC not cooling diagnosis and short cycling problems. FRANSEVL HOME IMPROVEMENTS is also listed for handyman. Rattling, grinding, or repeated clicking noises from the condenser, along with a sudden jump in summer power bills, often lead homeowners to call for a repair visit. Take a photo of the outdoor unit data plate and the indoor unit label so the brand, model, and approximate age are known before anyone arrives. AC repair cost is driven mainly by which part failed, whether refrigerant must be recovered or added, and how accessible the indoor and outdoor equipment is. Customers in Frederick and nearby areas such as Walkersville, Middletown and Myersville can request a quote. Posted hours are Monday to Saturday, 8:00 am to 5:00 pm. Accepted payment methods include Cash, Check, Google Pay, Samsung Pay and Zelle. Request a quote from FRANSEVL HOME IMPROVEMENTS on Fixerlane and describe the job you need done.

4. CHATA Heating and Air

Frederick, MD8 years in business3 employees

CHATA Heating and Air provides central air conditioning repair in Frederick, MD. A team of 3, the business has been operating for 8 years. During hot stretches in Frederick, the most frequent repair calls involve iced-over coils, outdoor fans that will not spin, and water pooling near the indoor unit. Each symptom has several possible causes, and a repair visit narrows the list down with testing before any parts are ordered or replaced. Common requests for central air conditioning repair include blower motor repair, condenser fan motor repair, AC not cooling diagnosis, compressor diagnosis and frozen evaporator coil. Short cycling, rising humidity indoors, and water leaking near the furnace or air handler are common early signs that an air conditioning system has a problem. Describe exactly what the system is doing, such as blowing warm air or refusing to turn on, and note the thermostat setting and any displayed error codes. System age, part availability for the specific model, and whether the visit falls on evenings or weekends are the usual factors behind a repair quote. Besides Frederick, homeowners in Walkersville, Middletown and Myersville can reach out for central air conditioning repair. Posted hours are Monday to Saturday. Accepted payment methods include Apple Pay, Cash, Check, Credit card, Square cash app and Venmo. Request a quote from CHATA Heating and Air on Fixerlane and describe the job you need done.

5. Jurgen HVAC

Frederick, MD7 years in business3 employees

Based in Frederick, MD, Jurgen HVAC works as a central air repair technician. A team of 3, the business has been operating for 7 years. Central air repair addresses a system that runs but does not cool, will not start at all, or behaves erratically through the day. The technician checks electrical components, airflow, refrigerant pressures, and condensate drainage to find the failure, then repairs or replaces the specific part involved so cooling returns. Typical jobs for central air conditioning repair in Frederick include condenser fan motor repair, short cycling problems, AC not cooling diagnosis, compressor diagnosis and contactor replacement. Jurgen HVAC is also listed for duct and vent cleaning. Rattling, grinding, or repeated clicking noises from the condenser, along with a sudden jump in summer power bills, often lead homeowners to call for a repair visit. Take a photo of the outdoor unit data plate and the indoor unit label so the brand, model, and approximate age are known before anyone arrives. System age, part availability for the specific model, and whether the visit falls on evenings or weekends are the usual factors behind a repair quote. Besides Frederick, homeowners in Walkersville, Middletown and Myersville can reach out for central air conditioning repair. Posted hours are Monday to Saturday, 3:00 pm to 10:00 pm. Accepted payment methods include Apple Pay, Cash, Check, Credit card, PayPal and Venmo. To get started, send Jurgen HVAC a request on Fixerlane with the details of your project.

6. BPM Heating, Cooling & Plumbing

Frederick, MD4 years in business15 employees

BPM Heating, Cooling & Plumbing provides furnace repair in Frederick, MD. A team of 15, the business has been operating for 4 years. Many furnace problems trace back to airflow or maintenance. A clogged filter can trip safety limits and shut the burners off, while a blocked condensate drain can stop a high-efficiency unit entirely. Repairs often pair the failed part with cleaning so the system runs reliably through the rest of the season. Common requests for furnace repair include noisy furnace diagnosis, clogged condensate line repair, gas valve replacement, furnace not turning on and flame sensor cleaning. New noises like squealing, banging, or rattling, or a burning smell that lingers past the first run of the season, often signal a failing part. Describe exactly what happens when heat is called, such as clicking, no response, or cold air, and when the problem started. The failed component drives most of the cost, since a flame sensor cleaning is simple while a blower motor or control board involves more expensive parts. Besides Frederick, homeowners in Walkersville, Middletown and Myersville can reach out for furnace repair. Posted hours are Monday to Friday, 8:00 am to 5:00 pm. Accepted payment methods include Cash, Check, Credit card and PayPal. To get started, send BPM Heating, Cooling & Plumbing a request on Fixerlane with the details of your project.

7. CT Home Services LLC

Frederick, MD4 years in business4 employees

CT Home Services LLC is a central air repair technician serving Frederick, MD. A team of 4, the business has been operating for 4 years. Central air repair addresses a system that runs but does not cool, will not start at all, or behaves erratically through the day. The technician checks electrical components, airflow, refrigerant pressures, and condensate drainage to find the failure, then repairs or replaces the specific part involved so cooling returns. Common requests for central air conditioning repair include condenser fan motor repair, clogged condensate drain line, refrigerant leak detection, frozen evaporator coil and capacitor replacement. Short cycling, rising humidity indoors, and water leaking near the furnace or air handler are common early signs that an air conditioning system has a problem. Mention where the indoor unit sits, whether in an attic, closet, garage, or basement, along with access limits like a pull-down ladder or locked side gate. System age, part availability for the specific model, and whether the visit falls on evenings or weekends are the usual factors behind a repair quote. Besides Frederick, homeowners in Walkersville, Middletown and Myersville can reach out for central air conditioning repair. Posted hours are Monday to Sunday, 8:00 am to 8:00 pm. To get started, send CT Home Services LLC a request on Fixerlane with the details of your project.

8. Northwest HVAC

Frederick, MD3 years in business4 employees

Based in Frederick, MD, Northwest HVAC works as a central air repair technician. A team of 4, the business has been operating for 3 years. Diagnosis typically starts at the thermostat, moves to the indoor air handler and filter, and finishes at the outdoor condenser. Readings taken at each point help separate a simple fix, like a failed capacitor or clogged drain, from a larger problem such as a refrigerant leak or a compressor fault. Common requests for central air conditioning repair include AC not cooling diagnosis, compressor diagnosis, thermostat troubleshooting, refrigerant leak detection and noisy outdoor unit. Short cycling, rising humidity indoors, and water leaking near the furnace or air handler are common early signs that an air conditioning system has a problem. Mention where the indoor unit sits, whether in an attic, closet, garage, or basement, along with access limits like a pull-down ladder or locked side gate. AC repair cost is driven mainly by which part failed, whether refrigerant must be recovered or added, and how accessible the indoor and outdoor equipment is. Besides Frederick, homeowners in Walkersville, Middletown and Myersville can reach out for central air conditioning repair. Posted hours are Monday to Sunday, 12:00 am to 11:59 pm. Accepted payment methods include Venmo and Zelle. To get started, send Northwest HVAC a request on Fixerlane with the details of your project.

9. Lemus HVAC

Frederick, MD

Based in Frederick, MD, Lemus HVAC works as a central air repair technician. Central air repair addresses a system that runs but does not cool, will not start at all, or behaves erratically through the day. The technician checks electrical components, airflow, refrigerant pressures, and condensate drainage to find the failure, then repairs or replaces the specific part involved so cooling returns. Common requests for central air conditioning repair include refrigerant leak detection, AC not cooling diagnosis, noisy outdoor unit, thermostat troubleshooting and condenser fan motor repair. Warm air from the vents, an outdoor unit that hums without the fan turning, or ice forming on the refrigerant lines usually means the system needs repair soon. Mention where the indoor unit sits, whether in an attic, closet, garage, or basement, along with access limits like a pull-down ladder or locked side gate. AC repair cost is driven mainly by which part failed, whether refrigerant must be recovered or added, and how accessible the indoor and outdoor equipment is. Besides Frederick, homeowners in Walkersville, Middletown and Myersville can reach out for central air conditioning repair. Request a quote from Lemus HVAC on Fixerlane and describe the job you need done.

HVAC near Frederick

Hagerstown, MD (4 · 19.2 mi)Germantown, MD (4 · 25.1 mi)Gaithersburg, MD (10 · 27 mi)Leesburg, VA (4 · 29.9 mi)Rockville, MD (7 · 32.6 mi)Herndon, VA (7 · 34.7 mi)Sterling, VA (6 · 35.2 mi)Columbia, MD (6 · 35.6 mi)

Other services in Frederick

Cleaning (33)Roofing & Exterior (19)Handyman (18)Masonry & Concrete (16)Plumbing (15)Moving & Junk Removal (14)Landscaping & Lawn Care (12)Painting (12)Construction & Contracting (11)Electrical (11)Remodeling & Carpentry (5)Appliance Repair (4)