Elevator Control Room Air Conditioning

 Keep your elevator control room HVAC system simple.  If the elevator machine room is on the roof, and the room does not have fire-rated walls, you can use an exhaust fan to take the heat out of the room.  Bring make up air using a wall grille.  If the elevator machine room is surrounded by other spaces and the walls are rated, use a small split AC unit to cool down the room--the refrigerant pipes and the condensate drain penetration through the rated wall have to be protected.

 

 

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Elevator Control Room Air Conditioning

Elevator Machine Room Air Conditioning 

Elevator Room HVAC

Elevator Room Cooling in Northern California

Was Aluminum wiring ever used in California?

During the 1960s and 1970s, when Copper prices were high, Aluminum wiring as a replacement of Copper was used throughout North America.  And yes, many properties in California too were constructed with Aluminum wiring.  How do I know?  I assess properties.  A property I recently assessed in Northern California had Aluminum wiring that was replaced with Copper in 2018.   And before that, Aluminum wiring was reported by the owner of an apartment complex in Stockton--in August 2019.

 

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Aluminum wiring hazards

Aluminum wiring fires

House burned down because of Aluminum wiring

Replacing Aluminum wiring with Copper