MDB Mechanical LLC

MDB Mechanical LLC MDB Mechanical, based out of Frederick, MD. Equipped with 20+ years of experience. I value honesty, Integrity and dependability.

I am the company I trust into my own home.

Get those units serviced!
04/29/2026

Get those units serviced!

Chilly Saturday morning install 🥶
04/25/2026

Chilly Saturday morning install 🥶

We installed a unit over 20+ yrs ago for this homeowner.They were so happy with our work that they called us back to rep...
04/21/2026

We installed a unit over 20+ yrs ago for this homeowner.

They were so happy with our work that they called us back to replace their system.

No heat service call.Gas furnace was tripping the main limit switch.After checking proper air flow, air filter, blower m...
03/17/2026

No heat service call.

Gas furnace was tripping the main limit switch.

After checking proper air flow, air filter, blower motor, proper gas pressure and inspecting the evaporator coil.

Had to bring out the bore scope to inspect the heat exchanger. It indeed was the culprit for this issue.

These Goodman Furnaces are known to leak water from the heat exchanger front cover and gaskets.Very important to get you...
03/17/2026

These Goodman Furnaces are known to leak water from the heat exchanger front cover and gaskets.

Very important to get your system serviced.

New System...
03/17/2026

New System...

System Upgrade.No more taking off the doors at the furnace just to change the air filter.We installed a filter grille fo...
03/17/2026

System Upgrade.

No more taking off the doors at the furnace just to change the air filter.

We installed a filter grille for easier access to change the air filter.

System kept tripping the breaker.Before you condemn the compressor, make sure it's actually the compressor, 🫣😬
02/01/2026

System kept tripping the breaker.

Before you condemn the compressor, make sure it's actually the compressor, 🫣😬

10/19/2025

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Frederick, MD

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