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Access furnace and water heater room from garage

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GP says:
September 26, 2011 at 6:41 am
 
Doing some renovation to a basement with an integral garage and would benefit with having the furnace/HW room being accessed from garage. Not having access to IBC books I am questioning whether code would allow that and if they did what are the requirements to the door would be.
asked in Car Garage by darekrudy (21,730 points)
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1 Answer

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  Hi GP,
    Requirements for the furnace and water heater room accessible from an attached garage depend on the appliances type. Could you provide me with the following information:
  1. furnace type – regular (chimney / metal vent pipe through the roof) or high efficiency / condensing type (PVC / ABS vent pipe)
     
  2. where is the furnace getting combustion air from – from within the house or from the exterior
     
  3. same questions for the water heater – regular tank type with single vent pipe (metal or PVC) or high efficiency / condensing type (or tankless) that uses exterior air for combustion
     
  4. if at least one or both appliances are regular type what is their BTU’s rating (it should say on their manufacturer’s tag), how big is the room behind the anticipated closet wall and what is its purpose (sleeping area?)
answered by darekrudy (21,730 points)
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