|
Latest News
AccuRATE V1.1.3.0
The latest version of 2nd Gen BTP
Assessment tools has been released.
DoP agree to a new Pilot to
commence early February 2007.
BASIX (DIY)
Review
ABSA instrumental in securing DoP
DIY Sustainability Tool - DoP Review...not independent but a starting point
Visit the ABSA Site for further
details.
DIY found to lower the standard of
Residential Building BTP in NSW - varies between 200% to 400% below Simulation
Method when compared with NatHERS and far more variation expected to AccuRATE.
| |
 Air Cooling
Retro - Fit Applications
Recently a company converted their office use an existing vacant
building originally built
in the 1870's.
With occupation, staff assessment of comfort highlighted that the stone
building was:
- cold in winter through warmth rapidly leaking out through the stone
walls
- prone to heat accumulation inside in summer through gradual solar
heat absorption by the stone walls, and limited in-built ventilation
paths inside the building and to the outside.
A retro-fit scheme
was subsequently developed which:-
- re-opened the existing cornice line ceiling vents
- installed roof ridge ventilators
- grew rising climbing plants on a trellis on the sunward north facing
stone wall to act as part insulation from direct solar gain
- installed a pergola with climbing vegetation and water spray in the
southern shade side courtyard
- installed full height louvres in the
existing slit windows facing the
shade side courtyard
- installed up and downdraught ceiling fans in the interior
The
result is summer cooling with modest energy use. This is achieved
through pre-cooled air being created in the courtyard.
The shade space holds air at less than ambient temperature, the water
spray humidifies the air, and this is drawn into the interior space by
downdraught in the height between vine pergola covering and building floor
level.
This air is downdraught inside the building to people level by
the fans.
Cross ventilation occurs through warm air extract through the
ventilated ceiling and roof.
Ceiling fans also operate in
winter.
The winter heating is enhanced by gas fired heating, circulated
by the spatially offset and mutually reversed direction rotating fans.
|
