Sunsource Heat Pump 

Whether you are having problems with your heating and/or cooling systems, want to improve them or add enhancements to improve your homes air quality B & B Air Conditioning and Heating is the perfect fit. With our offices strategically located in Maryland (Montgomery, Frederick, Anne Arundel, Prince Georges, Howard, Carroll Counties), Washington DC, Northern Virginia, Loudoun County Virginia we are able to provide our customers with fast, dependable localized service.


Staffed with a full complement of highly trained management and technical experts, each B&B location has their own parts department, sheet metal shop and fleet of fully equipped GPS dispatched trucks, to provide a speedy response and full service, twenty-four hours a day.



B & B is now offering installation, service/repair of Whole House Generators! With the winter and spring storms progressively worsening having a whole house generator provides your family the benefit of maintaining your normal lifestyle during power outages that may last days. Ask your B & B service technician about these services on our next visit or give us a call and we will assist you with any questions you may have.

Lennox Systems



Representing All Major Brands of Heating, Air Conditioning and Heat Pump Systems....

B & B specializes in designing systems to specifics indicated by individual need. Homes and lifestyles vary: and B&B, with factory-trained technicians and experienced engineers, are always prepared to recommend an appropriate, energy efficient, environmentally friendly, cost effective system.


Branch Offices

12324 Wilkins Avenue Rockville MD 20852 

7921 Queenair Drive #106 Gaithersburg MD 20879

2816 Dorr Avenue Fairfax VA 22031

183 East South Street Frederick MD 21701

22570 Glenn Drive #7 Sterling VA 20164

1526 Jabez Run Millersville MD 21108

6725 Santa Barbara Ct #101 Elkridge MD 21075



Find the B & B Office Nearest you


All B & B Office phone numbers are also listed
under look up after entering your zip code 

google map

View B & B AC and Heating in a full screen map

Energy Loan Link


  • Service Contracts
  • Preventive Maintenance
  • Trained, Licensed and insured technicians
  • 24 hour answering with response service
  • Major inventory of parts
  • Free Second Opinions
  • Free replacement and new system estimates
  • Generator service and installation
  • Humidifiers
  • Rotobrush Duct Cleaning
  • Air Quality

StatisticsReview of B & B AC & Heating Services



In addition to HVAC services B & B installs and services whole house Generators



Carbon Monoxide Detectors

co detector

A carbon monoxide alarm/detector should be used whenever a combustion system is used.


B & B Institute


All service technicians, installation personnel, and engineers have completed or are in the process of completing additional training at B&B's own accredited schooling program.



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