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IF A FURNACE AND HOT WATER HEATER ARE IN A CLOSET..

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I KNOW THAT SOME WHERE I HEARD THAT HEATING AND HOT WATER HEATERS THAT ARE GAS FIRED NEED TO HAVE A VENT TO ALLOW FOR AIR TO GET IN TO ALLOW FOR COMPLETE COMBUSTION TO OCCUR. SOME WHERE I REMEMBER A RULE OF THUMB THAT FOR EVERY BTU THERE IS A NEED FOR A CERTAIN AMOUNT OF SQUARE INCHES OF VENT. CAN YOU HELP ME WITH THE DETAILS?

THANK YOU,

ALAN
asked in Heating and AC by ahepler (120 points)
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1 Answer

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Hi Alan,

Check the following articles on my websites and let me know if you need additional information:

http://checkthishouse.com/3518/chicago-condo-inspection-combustion-air-requirements.html

http://checkthishouse.com/6236/combustion-air-requirements-for-fossil-fuel-burning-appliances.html

There may be different sources of combustion air for your appliances in a closet but I'd need to know how is this closet situated inside your house: what's above, below, and behind its walls.

 

answered by darekrudy (21,730 points)
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