These notes attempt to clarify natural air flow dynamics in buildings
and how to overcome mistaken beliefs arising from insufficient understanding.
Roof Ventilators Explained by Isa Stralian Let’s start off with the so called wind driven Whirly, Whizbanger, Spinner, generic rotary ventilator fabricated in aluminium, some in
This comparison is based in performance between a well engineered rotary type steel roof ventilator (Western Rotary) and the passive multi venturi Condor Kinetic type.
Roof Ventilation Fans The idea of a fan in the roof for the purpose of venting the heat out is a seemingly attractive one. Note,
Roof Services Industry With the avaricious consumption of poor quality roof ventilation and skylight products as exists at present,as well as the average life expectancy
Ridge Vent When it comes to roof ventilation there are as many types of ‘roof ventilators’. All roof ventilators are developed to work in one
LED v Fluorescent frequency in Lighting Contrary to popular belief LED lighting is not always the best lighting for the human eye to have to
Insulation Realities The purpose of which is to limit heat loss or gain. In domestic and general buildings, during winter months, to limit heat loss through
Fire Flue System Simple physics taught at secondary schools will tell you that combustion requires oxygen and it’s only logical that when consumed the volume
Overhead Sweep Fans The slow, high displacement fans are used quite extensively in tropical regions where the humidity is high and natural air movement is
Multi Tasking Fans in Bathrooms Multi tasking products for bathrooms and other wet areas seem like a good idea and the promotional presentation has you
Evaporative Air Conditioning Evaporative air conditioning works on displacement of the internal volume of a building. During it’s operation the volume was displaced via doors
Ductless / Re circulating Range Hoods This ventilation concept would have to be one of the classic products devised to entice the unaware in a
Does Roof Ventilation Work? by Isa Stralian Does water escape if the bucket has a hole in the bottom of it?….just as a hole in
Displacement Venting Ever try blowing air into a bottle? Can’t do it!….not unless you put a hole in the bottom of the bottle. Venting a
Cooler Home in Summer Months In all societies there are the gullible, the uninformed and the well informed. The gullible, listen to whom ever has
Conjecture & Suppositionby Isa Stralian There was a time early in my career as a designer specialising in new materials and processes, one of them
Building or Renovating with a Builder or …………What you need to know, …………when you need to know it, …………and before it’s too late By Isa
Buying Roof Ventilation A company has a particular roof ventilation product(s) and advertises it as being suitable for a whole gamut of things. The consumer
Roof Ventilator Choices What type of roof ventilator do I get?, ……everything looks the same,……. how do I know which ventilator is best for my
Bathroom Ventilation Every architect and engineer knows that venting relief in a bathroom begins with an exhaust vent/fan being located above the shower alcove and