Passive Cooling Double Roof House

And extend the roofline to shade exterior walls and create shaded outdoor living spaces.

Passive cooling double roof house.

Passive solar design takes advantage of a building s site climate and materials to minimize energy use. Use cross ventilation or ridge vents to ventilate the air cavity between the roofs. The passive cooling technique is one of the innovative practices and technologies that provide buildings with comfortable conditions through natural means. Apr 7 2020 research on tropical cooling of homes.

Because of the small heating loads of modern homes it is very important to avoid oversizing south facing. Using shade and insulation to keep heat out of your home in summer. This may seem like a tall order but the seasonal position of the sun conveniently serves this end. The lower roof namely the ceiling is composed of glass fiber cloth of 1mm and zinc board of 0 5mm so that it functions as a radiant cooling panel.

2 this house has no intake to the north plenum above grade. Insulation is critical to passive cooling particularly to the roof and floor. 1 it has been noted by givoni 1981 that double roof construction has limited cooling effect due to radiant transfer of heat from insolation on the roof to the inner shell. Insulation thermal mass cross flow ventilation passive cooling.

Passive cooling works by. The upper roof is thermally well insulated so that it functions as shading. Using breeze and air movement inside your home to keep you cool. This is a fascinating house in leyte philippines that is passively cooled using a number of unique methods including a double roof a strategy for shading south and north walls in low latitudes using the roof and double walls on the east and west for shading.

Passive cooling is free unlike air conditioning which is expensive to install and run. Incorporate a double roof structure separated by an air cavity. Hello i am andy lee graham ceo of. There may be several causal factors in this.

Windows are often left open to take advantage of natural cooling and walls are easily shaded. Summary this paper describes passive cooling effect of double roofing system with rainwater spraying. Using heat storing materials such as concrete to absorb heat. Reflective and radiative processes are the methods used to decrease heat gain by facilitating the elimination of excess heat in a building s interior to maintain a comfortable environment.