We are the experts at Commercial Refrigeration.  BDM has extensive Supermarket and Commercial Refrigeration experience covering installations as large as wharehouse distribution refrigeration.  


Walk-In Refrigerators and Freezers, Reach-Ins, Ice Makers, Undercounter units Display cases and more.  If its refrigerated, we can fix it.  


We are on top of the industry and can keep your business green and environmentally friendly.  

High Efficiency Goodman & Arcoaire Furnaces-The Modern Day Fireplace

With winter setting in everyone wants to be warm and cozy.  We provide the warm and you provide the cozy.  Warm air delivered from your new High Efficiency gas or oil furnace or heat pump can be therapuptic.  Knowing its cold outside and your home is safe and warm is peace of mind we can all live with.  Give us a call today.  Upgrading that old gas furnace to a new Highly Efficient system may not be as expensive as you thought.


Is your home cold or drafty?  We might be able to improve your existing system or make recommendations for improvements to save you money and fuel costs.  


We service all types of air conditioning equipment regardless of Manufacturer.  We install quality Goodman & Arcoaire central cooling products.  Unlike a few years ago, standard efficiency is now 13 SEER.  Most homes up until around 1990 were 10 SEER or under.  From the 1990's SEER values have slowly but steadily increased, still, a majority of the existing homes have outdated systems, which require more electricity to produce the same cooling effect and burdens the electrical distribution system.  It's inevitable that systems will fail, when they do keep us in mind.  We are your one stop HVAC contractor.


What is SEER?  Checkout our Homeowners Corner page for more information on SEER(Seasonal Energy Efficiency Rating).


Heat Pumps and Air Conditioning systems up to 18 SEER are out there, but are they right for you?  Let us review your current installation and make recommendations for improvements or a total system upgrade.

Over 25 years of Heating, Refrigeration & A/C know how!

Check out our new Homeowners Corner for HVAC advice and tips for your home or small business!

With the ever tightening EPA restrictions, BDM can assist our customers in modernizing their current systems.  Our knowledge and understanding of the industry options available to our customers is unsurpassed.  We strive to help our customers achieve thier "green" initiatives and comply with all EPA requirements relating to thier HVACR systems. 


Call us for more information about the advantages of our energy-efficient HVAC systems. We are here to serve you!

Service Rates


$75/hr. standard rate


Trip Charge $50

We now accept major credit cards:

*Convenience fee of 3% added on credit card payments.


You can reach us by mail :




316 Spry Island Rd.


Joppa, MD  21085


by phone: 410-679-6228


via email: bobd@bdmechanical.com


Special Offers

90+High Efficiency Gas Furnaces.  Update that old system to a new energy efficient system and save this heating season.  Save $150 by mentioning this ad.


AC Unit Upgrades

Upgrade to a new energy efficient Air Conditioning system and and Save Big on your gas and electric bill.  Call for details.  Save $100 by mentioning this ad.


Energy Saving Thermostats!

Change out that old thermostat to a new easy to see, easy to use Programmable thermostat.

Digital/Programmable single stage gas, oil, or electric heat....$125 Installed.

Digital/Programmable heat pump thermostat..$175 Installed.

Basic Mechanical Thermostat for singles stage gas/oil/electric..$75 Installed.


MD HVACR Masters License #12472

Delaware HVACR Masters License #HM-0000847

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