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Portable air con for surplus

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  • Registered Users, Registered Users 2 Posts: 10,060 ✭✭✭✭micks_address


    Yeah even with black out blinds and a large fan in our bedroom blowing over a basin of ice the temp was still above 22 degrees.. I'm going to try a ceiling fan for the craic and maybe a portable air conditioner if that doesn't pan out..



  • Moderators, Home & Garden Moderators Posts: 7,791 Mod ✭✭✭✭graememk


    It hit 27.7 yesterday at my weather station.. I'm about 2 mile from the coast!



  • Registered Users, Registered Users 2 Posts: 1,650 ✭✭✭DC999


    If getting a ceiling fan, get one that blades can be swapped around. So helps cooling in summer and moving heat around the room in winter. No fan reduces the room temp. It cools the body due to more airflow. So if no one is in the room, it does nothing bar waste energy. This is one that the blades retract for months of the year it’s never used. Was looking at something like this but didn’t get approval from the OH 😊 CJOY Ceiling Fans with Lights, 42'' Ceiling Fan Retractable Blades, Ceiling Fans with Lights and Remote Invisible 4 ABS Fan Blades Quiet White AC 220V 50 / 60Hz : Amazon.co.uk: Lighting. No idea if it’s good or not. From what I read, the more blades means it’s quieter as moves more air so can have a slower rotation speed. And reviews of this brand suggested it was quiet enough.

    Then screw it into the rafters in attic so it won’t move or vibrate. And get one that has a slow fan speed for night time. So it's nice and quiet.



  • Moderators, Home & Garden Moderators Posts: 7,791 Mod ✭✭✭✭graememk


    What we are noticing is the humidity in the house is a good bit lower.

    Draws a pretty constant 1.5kw. running for 12 hrs is 18kwh. Possibly even 15 hrs in a day.

    With the door open, it is keeping the house lower than what it would normally be.

    Yesterday when we turned it off and moved it to the bedroom we really noticed the increase in temperature. Our living room is at the corner of the house so gets sun from early morning to late evening, 2 external walls so plenty of thermal mass.

    Screenshot_20230615-203316.png

    Do we need it. No. But I have the spare power and it's nice to come in from outside to a less warm house



  • Registered Users, Registered Users 2 Posts: 1,650 ✭✭✭DC999


    How do you vent it when it moves rooms? I was thinking I could use the wall vent as the vent. But then I can't easily move it between room.



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  • Registered Users, Registered Users 2 Posts: 10,060 ✭✭✭✭micks_address


    Picked up an AEG unit from adverts last night.

    Had on for a few hours before bed and made a considerable difference.

    Screenshot_20230616-125309.png

    Definitely to loud to run over night.


    This model


    Vented out window which was ok, ordered a window seal kit from Amazon.


    I know it's power hungry (close to 1kw) but I'd be ok with that for few hours over summer nights.



  • Moderators, Home & Garden Moderators Posts: 7,791 Mod ✭✭✭✭graememk


    In the living room its vented out the pipe, a 4" one though, whereas the one coming from the unit is 5ish? pushed over with a rag filling the gap.

    I think I might try and design some sort of adapter plate and 3d print it.


    in the bedroom, Just out the window and just closed the curtains. Closed the door and came back a few hours later.

    image.png

    In the evening the outside temperatures were about 14-15c, when going to bed, so kept the window open.

    image.png

    overnight temperature curve.

    Was out with the doggo last night, and if I stood close to the house I could feel the heat radiating off the walls when i stood beside them



  • Registered Users, Registered Users 2 Posts: 10,060 ✭✭✭✭micks_address


    got the ceiling fan installed last night (electrician).. bit fiddly but we lucked out having a timber support where the existing light fitting had been so it didnt need additional timber in the attic.. i was pretty sceptical about it but on lowest fan setting it has a lovely effect... its very quiet on the low setting.. it just sort of brushes air over you which even though its not cool air definitely has a cooling effect.. i guess there's a proper explanation of that somewhere! on the highest setting its like a prop plane.. would lift papers and anything lying around the room!

    took a while to get it wifi connected - the instructions in the box said to use the smartlife app (which we have for the weekit kettle) but couldnt get it to see the fan - looked on amazon and the notes there said to use a 'carro home app' downloaded that and got it connected and integrated with google home.. nice thing in home is you can say turn on the light, and it does that, or turn on the fan and they are independent.. that along with the portable air con should do us for this year at least.. all these apps seem to be pretty simillar.. tuya, smart life, carro etc..



  • Registered Users, Registered Users 2, Paid Member Posts: 3,718 ✭✭✭Glaceon


    I'm in an A2 new build and it has been almost unbearably hot for the last few weeks. One evening last week we slept in the spare room because it was 27°C in the master bedroom, and that was with a blackout blind pulled down all day. It's an east/west facing house and the master bedroom is on the west facing side, so plenty of time for it to heat up during the second half of the day. I don't yet have solar or air conditioning but I can see both being in my future.



  • Registered Users, Registered Users 2 Posts: 1,650 ✭✭✭DC999


    Class. Seems we can tolerate a room a few degrees warmer with a good fan blowing air over us to cool us down. Won't change room temp at all but changes temp of human.

    Could u pop in link for model you got?



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  • Moderators, Home & Garden Moderators Posts: 7,791 Mod ✭✭✭✭graememk


    Term your looking for is the skin effect, as air is an insulator, it makes you feel warmer, a breeze disturbs this making you feel cooler



  • Registered Users, Registered Users 2 Posts: 10,060 ✭✭✭✭micks_address


    apologies thought i had put the link up in a previous post.. went for this one https://www.amazon.co.uk/dp/B07PLS25HD?psc=1&ref=ppx_yo2ov_dt_b_product_details

    was a bit on the expensive side but im a sucker for app control



  • Moderators, Home & Garden Moderators Posts: 7,791 Mod ✭✭✭✭graememk


    What's the light on it like?

    Tuya/smartlife/carro are all the same back end, the smarts are all made by the same company in china.



  • Registered Users, Registered Users 2 Posts: 10,060 ✭✭✭✭micks_address


    yeah its actually pretty decent.. can go cool/warm and dim.. im not sure its replaceable though which might be a pain..

    what would folks think of this strategy re cooling - during warm days, run the air conditioning unit in the bedroom as close to the landing as possible (piped out the window - sealed pretty well).. close all the upstairs windows and whack on the ceiling fan to push cool air out to the rest of upstairs? Trying it out today to see what happens..



  • Moderators, Home & Garden Moderators Posts: 7,791 Mod ✭✭✭✭graememk


    Give it a go,

    The air con will be extracting the hot air, and then also cooling the remaining air.

    What I'm really noticing is the reduced humidity, and I already had a dehumidifier running before this. Doesn't feel as "dead" or stuffy in the house when it's running.



  • Registered Users, Registered Users 2 Posts: 1,650 ✭✭✭DC999


    No way, I'll try the dehumidifier so. Never thought about that.



  • Registered Users, Registered Users 2 Posts: 1,650 ✭✭✭DC999


    Good news is it uses as low as 1% of the energy or an a/c unit. 24w and a/c is anything from 1.5kW-who knows what. So cheap as chips to run forever more



  • Registered Users, Registered Users 2 Posts: 10,060 ✭✭✭✭micks_address


    the aeg unit i got is 9000 btu and uses a constant 687 watts when cooling (from energy monitoring plug)

    Post edited by micks_address on


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