ppeetteerr Posted July 9, 2019 Share Posted July 9, 2019 Hello all, I am just completing a new build utility room in my house and need advice on ventilation. The room is : appx 13cubed mts (2.4m x 3.3m x 1.6m) has no window ventilation has washing machine and tumble drier (tumble drier is vented through wall to outside) has small freezer has 2x 300 watt towel rail radiators I am thinking that I need to get warm/humid air out and fresh air in. Is that correct ? Could you please advise on best way to achieve this and any info on appliances required. Regards. Link to comment Share on other sites More sharing options...
Onoff Posted July 9, 2019 Share Posted July 9, 2019 How about a single room MVHR? Link to comment Share on other sites More sharing options...
nod Posted July 9, 2019 Share Posted July 9, 2019 I’ve just a 100 mil core hole to the outside with a bathroom type wall fan Seems to work ok Link to comment Share on other sites More sharing options...
ppeetteerr Posted July 12, 2019 Author Share Posted July 12, 2019 Hello Onoff, (I am not in the trade) could you please advise on what an MVHR is and any advise on any unit to suit. Best Regards Link to comment Share on other sites More sharing options...
joth Posted July 12, 2019 Share Posted July 12, 2019 MVHR is mechanical ventilation with heat recovery. The idea is the extract the damp smelly air but without throwing all the heat out too. Envirovent do units suitable for a single room (no direct experience with them though) https://www.envirovent.com/products/heat-recovery-ventilation-mvhr/heatsava/ Link to comment Share on other sites More sharing options...
ppeetteerr Posted July 14, 2019 Author Share Posted July 14, 2019 Hello, thanks for reply but the units advised seen to retain the heat in the room. What I am aiming for (as the utility room has a lot of heat generating items: 2x towel rails, tumble drier, wife doing the ironing etc) is apart from extracting humidity and heat to also bring in cool air (summer and winter) Any advise please Regards. Link to comment Share on other sites More sharing options...
Patrick Posted July 14, 2019 Share Posted July 14, 2019 (edited) On 09/07/2019 at 14:48, nod said: I’ve just a 100 mil core hole to the outside with a bathroom type wall fan Seems to work ok @ppeetteerrThis is it then. "cool" air will be drawn from the house automatically then. Unless you want to go deeper into the problem, as you could use the overheating of the utility room to heat the rest of the house, but than you would need to look into mvhr for the whole house. Have a look on the mvhr topics on here for more info. Edited July 14, 2019 by Patrick Link to comment Share on other sites More sharing options...
Onoff Posted July 14, 2019 Share Posted July 14, 2019 12 minutes ago, ppeetteerr said: Hello, thanks for reply but the units advised seen to retain the heat in the room. What I am aiming for (as the utility room has a lot of heat generating items: 2x towel rails, tumble drier, wife doing the ironing etc) is apart from extracting humidity and heat to also bring in cool air (summer and winter) Any advise please Regards. Being accurate the units recover heat rather than retain it. The outgoing warm, moist air runs over a heat exchanger and warms the incoming cold air. Link to comment Share on other sites More sharing options...
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