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Demand Control Ventilation Galway
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30-10-2019 4:39pm#1
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CitizenFloor wrote: »
One thing I am not sure about, and maybe someone can confirm this.....If I have a stove with an independent air supply, does that mean that I can get a DCV in the stove room? i.e. a non permanemt vent.
Or do you always need a permanent vent, regardless of independent air supply to the stove?
What do you mean? Has the stove already got a permanent air supply ducted to it? If so, then you can ventilate the room space as any other room. But don't forget the CO alarm.
Just a note on DCV ventilation systems. If there are no existing wall or window vents, an approach is to retrofit a simpler (and cheaper) multi-room MEV system first. There is generally sufficient unintended air leakage paths present in the building already to supply external dry air into the building. If required later, the ducting infrastructure can always be reused for a DCV system upgrade.0 -
MicktheMan wrote: »
What do you mean? Has the stove already got a permanent air supply ducted to it? If so, then you can ventilate the room space as any other room. But don't forget the CO alarm.
Just a note on DCV ventilation systems. If there are no existing wall or window vents, an approach is to retrofit a simpler (and cheaper) multi-room MEV system first. There is generally sufficient unintended air leakage paths present in the building already to supply external dry air into the building. If required later, the ducting infrastructure can always be reused for a DCV system upgrade.
I don't have a stove already. I phrased it badly. I was considering getting a stove with an independent air supply, in order to accommodate a DCV wall inlet in the living room, and meet building regulations. You answered my question, thanks!
Some of the bedrooms are very stuffy in the mornings. Condensation on the windows etc. I think I need some class of ventilation in those rooms. I am getting the walls pumped, and attic done soon too, and have started to caulk and put expanding foam in/on everything else. I don't like the idea of background ventilation, after coming from previous accommodation with a constant draft.
All that said, I take your point about MEV, with the potential to upgrade to DCV later...I will consider that, its certainly a budget friendlier option!0 -
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MicktheMan wrote: »
What do you mean? Has the stove already got a permanent air supply ducted to it? If so, then you can ventilate the room space as any other room. But don't forget the CO alarm.
Just a note on DCV ventilation systems. If there are no existing wall or window vents, an approach is to retrofit a simpler (and cheaper) multi-room MEV system first. There is generally sufficient unintended air leakage paths present in the building already to supply external dry air into the building. If required later, the ducting infrastructure can always be reused for a DCV system upgrade.
Hey Mick, just regarding your approach mentioned. Would that mean extract unit fitted in attic, ducts ran and installed to wetrooms and the at a later date add the humidity sensing wall vents as needed.
we are retrofiting a house with no wall/window vents but it is still draughty until downstairs is finished so it sound like a good approach0 -
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