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392 posts

Ultimate Geek

# 165491 11-Feb-2015 15:30
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last few weeks upstairs got 28+ degrees during the day and evening, quite hard to get the little one settled for nap or sleep.

had a quote from smart vent, 4 outlet positive pressure ventilation for 3.2k, summer feature (selectively draws air from outside rather than ceiling) plus 800.

consider (assuming the same brand smartvent) kit of 2 outlet + summer feature sells for 2k in bunnings, the price is not too bad consider labour, and some ducting between upstairs and ground level.

but the consultant said the summer feature won't reduce the room temperature, just get rid of the stuffiness.

wife isn't impressed with that, or a 200 mm pipe running exposed inside the wardrobe to send air to ground floor ceiling outlet.

at that price she'd rather get a heat pump installed upstairs, and probably only cost half as much.

so, what's your opinion?

is (any) positive pressure ventilation worth it these days?

I liked the idea of filtered air (hey fever), some comfort during summer, and reduced condensation during winter. but would we be a better position with a heatpump and possibly retro fit double glazing upstairs? thanks.

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655 posts

Ultimate Geek

  # 1236252 12-Feb-2015 08:52
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We have been running into the exact same problem - our baby boys room going up to over 30 on the still hot days....had to do something, moved him to another room (saved a couple of deg; but made him closer to our room - argh)...had a number of people come around and our only real solution was a ducted heat pump. Highwall or console units wouldn't work due to the layout. So anyhow, quoted 4.5k installed, for a Panasonic 3 room system. Being installed next week (better late than never). 
We looked at many other options (shutters/heat transfer systems/portable ac/fans/etc), but most of them only made a difference over summer (at best)...this way and not for that much difference in outlay, at least it should be great over winter and summer!

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