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Airheatman, HVAC Technician
Category: HVAC
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Experience:  Furnace, A/C and heat pump specialist.
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What is the context of the building code Section R303.8 2009

Customer Question

what is the context of the building code Section R303.8 2009 MRC
Submitted: 27 days ago.
Category: HVAC
Expert:  Airheatman replied 27 days ago.

R303.8 Required heating: When the winter design temperature in Table R301.2(1) is below 60°, every dwelling unit shall be provided with heating facilities capable of maintaining a minimum room temperature of 68° at a point 3 feet above the floor and 2 feet from exterior walls in all habitable rooms at the design temperature. The installation of one or more portable space heaters shall not be used to achieve compliance with this section.

Expert:  Airheatman replied 27 days ago.

Below is table R301.2(1)

Expert:  Airheatman replied 27 days ago.

Basically if winter design temp is below 60 degrees, You must have adequate heating to maintain 6 degrees at a point 3' from floor and 2 feet inside all habitable rooms.

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