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Homes need ventilation, especially in bathrooms, so maybe consider leaving it as is.
There are better solutions than "bash a permanently open hole in the wall and run the heating more to counteract it"

Please try to adopt a more energy efficiency conscious approach to your trade; our children's children will appreciate it
 
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There are better solutions than "bash a permanently open hole in the wall and run the heating more to counteract it"

Please try to adopt a more energy efficiency conscious approach to your trade; our children's children will appreciate it

Hum. Lots of homes have no ventilation and the result is mould. A little bit of ventilation is good for all homes that aren’t built with proper recirculating air systems.

If you want to save energy, turn the heating down and wear a jumper and for travel walk short distances rather than driving
 
On mine, the PIR sensor is under the logo.

No
Poxy Intermittent Rubbish
in mine. But it's not paintable.

I'll just move on, if I can't rotate the whole thing a bit. It's not like I spend much time looking at it. Even when facing that wall, staring up at it is a cleaning job waiting to happen.
 
Hum. Lots of homes have no ventilation and the result is mould. A little bit of ventilation is good for all homes that aren’t built with proper recirculating air systems.

If you want to save energy, turn the heating down and wear a jumper and for travel walk short distances rather than driving
Homes need a climate within particular parameters. Ventilating excess moisture caused by human activity is one strategy to keep that in check, but uncontrolled ventilation is not an optimal strategy to achieve that because it wastes heat energy to the world.
Recirculating (dehumidifier?) might be an option to address the moisture but it wouldn't maintain air quality in other ways such a CO2 buildup. The best strategies employ systems to recover heat from outgoing stale air and transfer it to fresh incoming air in a controlled way

Turning the temperature down, hole bashed in the walll or not (but worse with one) may well be counterproductive if you're aiming to keep mould at bay; by lowering the internal temperature of the house you cool the surfaces on which water may condense, bringing them closer to the dew point but the lower temperature doesn't do anything to reduce moisture generation - you still breathe the same amount of water vapour out, still dry the same clothes on the same radiators, maybe even exacerbate the problem with longer showers and more cups of tea..

All in I'm not persuaded that "save energy, turn the thermostat down, stave off mould, leave holes in the fabric", though easy to implement, is an ideal approach
 
Hum. Lots of homes have no ventilation and the result is mould. A little bit of ventilation is good for all homes that aren’t built with proper recirculating air systems.

If you want to save energy, turn the heating down and wear a jumper and for travel walk short distances rather than driving

I typically work 7 miles from home. I use either a bus or tube. I ain't gonna walk 7 miles. That said, if I don't get on the bus before about 7.15, it will often take over an hour to make the journey, and that will require me to get off my bus and wait for another because they took the first one out of service.

Yeah, I am looking at you Abelio buses.

I really am piszed off with having to pay more than once to complete a single bus journey.

Sorry, having a really, really bad day. And it ain't gonna get better soon, but as a bus user, I appreciate your point about people walking to take short journeys.
 
No
Poxy Intermittent Rubbish
in mine. But it's not paintable.

I'll just move on, if I can't rotate the whole thing a bit. It's not like I spend much time looking at it. Even when facing that wall, staring up at it is a cleaning job waiting to happen.

I must admit that I regret getting the PIR version. It is annoying if you only wanna have a pee. The humidistat part is a blessing though given that I knew that people would not turn the light on if they were showering on a bright summer morning.
 
I must admit that I regret getting the PIR version. It is annoying if you only wanna have a pee. The humidistat part is a blessing though given that I knew that people would not turn the light on if they were showering on a bright summer morning.

The alternative, is the fan not turning on, mould appearing on the walls, and lingering smells long after the toilet has been used during daylight hours. The fan, consumes very little power, when running, and doesn't run for long.
 
The alternative, is the fan not turning on, mould appearing on the walls, and lingering smells long after the toilet has been used during daylight hours. The fan, consumes very little power, when running, and doesn't run for long.

TBH, I went for the PIR/humidistat combo for removing smells and steam, but it, the Icon 60, is really loud. Granted it is only rated at 66.3W.

Nevertheless the noise generated for a pee is annoying. On reflection, I guess I could have used an isolating switch which could turn it off when peeing.
 
I must admit that I regret getting the PIR version. It is annoying if you only wanna have a pee. The humidistat part is a blessing though given that I knew that people would not turn the light on if they were showering on a bright summer morning.
This one is in a WC-only room with no natural light.

I would have bought the delayed timer banana for the fan, had the delay been adjustable, but 2 minutes is pointless as that's less time than certain people take for a quick visit.
 

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