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According to the Consultation List, is it true that we cannot replace rusted vents for water heaters or furnaces without SHPO permission?

April 26, 2017consultation furnaces Heaters list replace rusted vents water

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According to the Consultation List, is it true that we cannot replace rusted vents for water heaters or furnaces without SHPO permission?

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This is not true. Replacement of existing vents is allowed as long as the replacement vent is placed in the same location as the existing. Upon inspection of a home in a historic district we found the furnace to be inoperable. The client is currently without heat. Do we consider replacement of the furnace an HVAC upgrade or are we able to go ahead with a replacement as long as it’s the same efficiency? Replacing only an inoperable furnace with a new furnace, even a unit with a higher efficiency, is allowed and would not require SHPO approval. SHPO review would only be required if new exposed ductwork, venting, or piping is being installed in conjunction with the new furnace installation.