HVAC Maintenance, Service, Repair and Replacement
If you’re looking for an HVAC company in Maryland JJ Heating & Cooling Company  is here to help.


Air Conditioning & Heating Installation
Affordable, quality air conditioning/heating unit installation.


Air Conditioning & Heating Service, Maintenance, and Repair
We service, repair and provide HVAC preventative maintenance on a wide variety of heat and air conditioning systems. We offer money-saving HVAC maintenance agreements featuring the JJ Heating & Cooling Company HVAC Maintenance Checklist.

We’re the HVAC repair experts for:
  •  Air conditioners, heat pumps, furnaces

  •  Boilers

  •  Chillers: centrifugal and reciprocating chillers

  •  Control systems

  •  Ductless split systems

  •  Exhaust fans

  •  Pumps, including water source heat pumps

  •  Rooftop package units

Are you sure if your HVAC systems are being maintained properly?

  Call us today at 443.983.8370 or request a quote.