7 Principles for Passive Solar Design
Passive solar design is a method of designing and building a house to use the sun’s rays to your advantage. Here are a few solar principles to bear in mind… Read More
Solar ventilation enhances air quality in schools
Many New Zealand primary-school children struggle through the winter months with respiratory and infectious illnesses. Could improving air quality in classrooms help their health?… Read More
Almost everyone on Earth now breathes polluted air…
Air pollution is a growing concern in today’s world, and with almost everyone on Earth now breathing polluted air, should we be concerned about what its doing to our health? … Read More
SolarVenti at Sea!
Hals Barre lighthouse, located about five miles east of Hals in North Jutland, Denmark, was treated to an extensive renovation from 2013 and onwards – both outside and inside.… Read More
New Motor-driven Valve
The new motor valve provides an additional safeguard against hard drafts. The valve closes and opens only when the solar air collector starts (and the valve receives + 5V voltage). … Read More