bro, i got your point now..
My window placed an air purifier filter

I personally prefer natural air than aircon.. aircon i feel very uncomfortable even though we are working in office from morning to night
I'm thinking buy one more exhaust fan suck from fresh air outside into room.

Exhaust fan is supposed to create air flow through the building (convection) i.e. to improve ventilation.
It doesn't help to block off the heat from radiation.
To reduce heat from radiation, you need a medium to reflect heat from a building - a reflective roof (not applicable to houses) or reflective aluminium foil. It works on the same principle as the thermo flask.

This post has been edited by tehtmc: Jun 20 2012, 12:09 PM

yes but if air are properly vent you won't get to hot. Just imagine two car under the sun. One with windows A open another with all closed. You get oven effect for the car with windows closed.

Also is good for better air circulation, maybe not this month.

I been using air vent for almost 20 years is goods to help suck in fresh air, and also you can cool the room down (till same as outside temperature) before switch on Ac. Help save energy too.

Air circulation or ventilation is one form of heat transfer. If you study physics, there are 3 methods of heat transfer - conduction, convection and radiation.

Say you live under a concrete roof. You can have the fan on full blast but yet you can still feel the heat being radiated from the concrete slab above. Heat transfer through radiation, which is a form of electromagnetic wave, does not depend on the medium, i.e. the air around you. The is also how we receive heat from the sun.

This post has been edited by tehtmc: Jun 20 2012, 12:30 PM

Sure I know, been using it for so many decades. I am giving layman comparison.

tehtmc, ventilation fan is useful at nighttime and is also cost effective. I can feel the improvement of less heat air in the room at night time, better air circulation.

Of coz it will help much such block of radiation, like paste the uv tinted sticker on window, aluminum foil, sun block pain on roof, turbine ventilation, etc.

However, our weather is getting hotter nowadays...global warming arrrrr....

[EDIT] - I touch the wall, i could feel the heat release from the wall, especially for endlot house. I see some forum suggest climbing plant, creepers outside the wall. Any suggestion and tips for end lot or corner lot house?

This post has been edited by PrinceMickey: Jun 20 2012, 02:17 PM

The logical way is to prevent the sun from hitting the wall. Treatment on the outside is always more effective than
treatment inside (using blinds, reflective film, etc). That's why the orientation of the house to avoid the sun is so important.

Using creepers helps but it takes time to have the whole wall covered. Walls are hot because concrete, bricks and plaster are good conductors of heat. Having trees for shade is good but it takes years for them to reach that height. Or have a layer of sunscreen in front of the wall which is not cheap. Having canopy/awnings over windows helps, or reduce the size of the windows.

For new houses, it's worth having a double layer brickwall with a air cavity in between (called cavity wall).

I doubt those reflective paints help much. Light colours would not absorb as much light as dark colours of course.

This post has been edited by tehtmc: Jun 20 2012, 02:56 PM

tehtmc, thanks for your tips!!!! It will helps a lot.

This post has been edited by PrinceMickey: Jun 20 2012, 03:02 PM

BEST SOLUTION I WOULD RECOMMEND....INSTALL AIR COND AT THE SAME TIME IMPLEMENT THOSE HEAT REDUCONG METHOD TO REDUCE NATURAL HEAT IN YOUR ROOM

MY EXAMPLE: IN A PARTITION ROOM OF A CONDO WITH A SLIDING DOOR TO BALCONY AS MY WINDOW AND WIND SOURCE... THE HEAT IS UNBEARABLE AT AFTERNOON AND NIGHT IF THERE IS NO RAIN...

MY SOLUTION IS GETTING THOSE PANASONIC 1.0 HP NON INVERTER ECONAVI AIR COND....NEXT STEP IF I HAVE EXTRA CASH I WILL TINT MY SLIDING WINDOW DOOR...SO THE BILLS CAN BE REDUCE WITH THE AIRCOND DONT HAVE TOO WORK AT FULL LOAD TO COOL THE ROOM....

I'm facing similar problem with end lot of terrace house. The wall is facing west. Full sun light blast from noon to dusk. Thick curtain helps a bit.

Check out www.heatshield.co.nr. We provide onsite installation Malaysia wide.

Anyone know any good reliable and reasonable contractor for both ROXUL and roof turbine? My house is extremely hot even at night both upstairs and downstairs also very hot. DIEYING at home every day.

I've already gone down the TCL cellulose path for my ceiling, put a film of tinted stuff on my window, and both have helped bring down the temperature in my bedroom, but it's still not enough and I now plan to DIY, get some insulation material, plaster the offending NNW facing wall with the stuff, then conceal it with tongue and groove nyatoh or pine cladding. I also plan to replace the window with a double-glazed casement.

This post has been edited by PangurBan: Jul 26 2013, 05:18 PM

No lah. You will not die. Infact you will get healthier, coz everyday you doing sauna n sweating all day round.

Too much sauna already >< cannot tahan liau

hi all,
try to use a combination of ceiling fan + air con.
will save a lot of power. see our calculation estimations here

Nippon solar reflect paint does it really work?

I hv nippon solareflect. Not convincing,

Thinking of aluminium cladding on externall wall facing sun like Paradigm Mall

I think some1 made a thread similar to this topic. It really depends on where the sun fall during the 'golden hour'. If your room is facing the west side, you will definitely get a free sauna from the sun. Like my old room, I got it straight hitting to my room and it's really a hell where the heat will stay until the next day. I had blind outside of the window, with my window being tinted, and curtain as well, but it still wont help. Even if I on my aircon for the whole day also it's the same

Cladding, bit overdo right?