Gas Furnace Venting Under Deck

In short some say venting under a deck is fine as long as there is good venting and the other says it needs to stick out passed the deck by a bit.

Gas furnace venting under deck.

After original construction a landing was added off a wrap around deck that is over the top of this systems room. We have two gas furnaces for dual zone heating cooling. Hello we just finished having a new deck built at our house. The deck is 15 x35 with timbertech decking and railing and has solid wood skirting around the sides.

High efficiency furnace vent under deck im in the midst of getting some furnace quotes and im getting mixed replies for one particular situation that s bugging me. First of all it s against the code because the vapors which furnace produces will condensate on the joists. The vent was run through a ledger board of a deck in the joist bay and out the rim joist. Cut some sort of hatch in the deck that i can lift up hinges when i need to clean the exhaust vent.

I live in the portland oregon area. The systems room containing 4 water heaters 3 provide hydronic heat for radiant floor heating and 1 for dhw is an exterior room off a walk out basement. The facing of the brick will chip off after a few years of this. The nearest door or window is at least 16 feet away.

The deck was added to the back of a house that has a high efficiency trane furnace that exhausts through 4 pvc pipe. I have a contractor who is replacing a rusted furnace vent on a 15 yr old furnace. He is replacing the vent and wants to know if it s ok to terminate below the deck approx 1 lower than the old vent and the deck is 4 off the ground open on 3 sides. Gas furnace exhaust under new deck 05 05 2017 06 24 am.

I m also curious if this violates code. Another issue i see is that any exhaust for a high efficiency gas appliance must be insulated when being run in an unconditioned space such as in a garage or running under a deck. The reason for having the vent terminate straight out and away from the building is to avoid this. Concentric vent under my deck when this spring i decided to reface and extend my deck i got a problem.

Venting under deck i have 2 trinitys venting under decks and in both cases i extended the exhaust out past the edge and insulated the exposed portion i would think from a building point of view that you could have ice build up. The different types of venting. Relocate the vent to an area not under the deck. Well making sure that you choose the right venting style will protect them.

The exhaust is now directed under the deck. How would i do it if the furnace concentric vent will be right under it. When we are talking about gas furnace vent pipe code we need to talk about the different types of the vents first after all you want to keep your family safe from harm.