Stay cool this Spring and Summer

HVAC Services in Maryland include AC Installation and Repairs.
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Air Conditioning Repair

AJB Mechanical Heating & Cooling will install, repair or maintain your Air Conditioner at your home or business. Call us Today: (410) 552-4047
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Heating & Furnace

Trusted by your community with all their furnace repairs, and we can help you stay comfortable and efficient all season long. Call us or send us a note.
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AC Installation In Frederick, Woodbine and Ellicott City

AC Installation

Trust our Air Conditioning Services To Keep You Cool All Summer Long. Our technicians will repair any HVAC system.
Cooling Repairs In Frederick

Cooling Repairs

Choosing the right AC is important to the comfort and happiness of your home, let us help you decide which one is right for you.

Heating Installations

Let us lower your monthly energy bills and maintain a longer lifespan for your home heating system.

Furnace Repair

Whether you heat your home or business with a gas or an electric furnace, we’re available for you now.

AC Repair in Woodbine

HVAC Contractor in Frederick, Ellicott City and Westminster, Maryland

The dependable and affordable company for all your heating, ventilation, and air conditioning (HVAC) needs. We’re a fully licensed MD HVAC contractor for your home or business, depend on AJB Mechanical Heating and Cooling to exceed your expectations

Furnace repair in Catonsville, Columbia and Hagerstown, Maryland

Call AJB Mechanical in Ellicott City, MD and we will get you an estimate right away. We only hire quality technicians trained to service air conditioning and heating systems. We’re the best rated Heating and Cooling Company in Maryland

Rated #1 in Frederick, Ellicott City and Westminster, MD

Whether it’s AC Installation, Furnace Repair or heating system replacement – we’ve got you covered!

Fast Reliable Service. All HVAC Needs Covered.

  • AC Repairs 89%
  • Furnace Repair 94%
  • AC Installation 91%
  • Happy Customers 100%
Temperature in Maryland

Best AC Installers in Baltimore, Morrell Park and South Baltimore, MD!

Whether it’s AC installs in Baltimore or Air Conditioner Repair in Woodlawn, MD – We’re there for you.

AC Repair in Frederick?

Spring is just around the corner and if you need AC repair or installation in Frederick, Ellicot City, MD or if you’re within the Baltimore, MD area – give us a call! We’re here all week waiting to serve you.

First Day of Summer is Just Around the Corner!








Contact Us

Contact Information

We proudly serve Frederick, Westminster, Woodbine, Ellicott City, MD. and other locales.

Phone: (410) 552-4047


AC Repairs and other services in Frederick, Westminster, Woodbine, and Ellicott City, MD

Address: 8050 Old Washington Rd
Woodbine, MD 21797

Hours of Operation

Furnace repairs, and more in Frederick, Westminster, Woodbine, and Ellicott City, MD

Mon–Fri: 8am–6pm
Sat: Open 24/7 Sun: Open 24/7

Meeting all your needs with  HVAC Systems, heating and air conditioning, repair and service, conditioning equipment, water heaters and furnaces.  Servicing all of Maryland, in particular Frederick, Westminster, Woodbine, and Ellicott City, MD..
aprilaire repair or sales in Maryland
bryant repairs or Sales in Maryland
frigidaire repairs or sales in Maryland
Trane Repairs or Sales in Maryland

Keeping you cool when you’re hot and hot when you’re not!

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