Passive Cooling Double Roof House

Passive cooling is free unlike air conditioning which is expensive to install and run.

Passive cooling double roof house.

Because of the small heating loads of modern homes it is very important to avoid oversizing south facing. 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. A well designed passive solar home first reduces heating and cooling loads through energy efficiency strategies and then meets those reduced loads in whole or part with solar energy. Insulation thermal mass cross flow ventilation passive cooling.

Windows are often left open to take advantage of natural cooling and walls are easily shaded. Using breeze and air movement inside your home to keep you cool. The passive cooling technique is one of the innovative practices and technologies that provide buildings with comfortable conditions through natural means. Passive cooling works by.

Roofs however are difficult to shade and floors are a source of constant heat gain through conduction and convection with only limited cooling contribution to offset it. Summary this paper describes passive cooling effect of double roofing system with rainwater spraying. Incorporate a double roof structure separated by an air cavity. This may seem like a tall order but the seasonal position of the sun conveniently serves this end.

Hello i am andy lee graham ceo of. Passive heating and cooling in homes is simply a matter of determining where the sun exposure is and trying to capture and keep as much of that heat as you can in the winter while keeping it out in the summer. Using heat storing materials such as concrete to absorb heat. Use cross ventilation or ridge vents to ventilate the air cavity between the roofs.

Passive solar design takes advantage of a building s site climate and materials to minimize energy use. And extend the roofline to shade exterior walls and create shaded outdoor living spaces. Apr 7 2020 research on tropical cooling of homes. 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.

There may be several causal factors in this. 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. 2 this house has no intake to the north plenum above grade.