Ask us about out 10 YEAR(!) whole system replacement warranty !!!!


Heating & Air Conditioning and Plumbing: Changeouts, Remodels, New Homes

Heating and Air Conditioning Service and Sales

it didn't work in the 1950's, and it still doesn't


We will provide a thorough exam before deciding to replace your unit. If needed, our skilled technicians have been trained to install the highest rated appliances.   B.L Acker is licensed and insured to work on ALL systems currently in use in the region.  Energy efficiency has come a long way in the last decade or two....  much greater SEER ratios can be combined with the quietest units ever! 


HVAC repair and replacement.

Air Conditioning

Energy-efficient Air Conditioning

Not only will we keep everything running at full capacity but we will offer insight on what you can do to keep your unit maintained between visits.

IF your system can be repaired economically,  we'll go over the cost/benefit analysis with you.  If  your old unit is twenty or thirty years old, and rusting our from the bottom, we'll show you new exciting upgrades that can pay for themselves over the projected lifetime of the system.

Air Conditioning Service

Plumbing,  Heating and Air Conditioning

Washington, Bethesda, Chevy Chase and environs.

Air Quality

Air Quality
Air Filtration

HEPA filters

B.L. Acker offers a  variety of mechanical and electronic air filtration systems that can reduce the finest allergens and pollutants from the air.

You may also avoid common household allergens with a scheduled duct cleaning, filter replacements, and damper adjustments.     Many of these can be easily installed a the time of unit replacement, or during major overhauls.