solar-air-heaters / Green Building & Sustainable Home Renovation Information & Advice

What is a solar thermal collector? A photovoltaic (PV) solar collector converts solar radiation into electricity, but a solar thermal collector is much simpler than that. It refers to a device that collects heat directly from solar radiation. That can be as simple and rudimentary as water being pumped through a black t...

  Solar thermal panels in cold climates are at risk of freezing in winter, so in the North, we use a glycol mix as a heat transfer fluid. This prevents panels from freezing but introduces new problems in the summer months when they are at risk of overheating.  There are two main types of residential solar thermal heate...

How solar air heaters work: Solar air heater diagram © Ecohome The above diagram indicates the basic concept of a solar air heater, and while there are many designs, the basic principle is the same - a small fan feeds interior air into a south-facing wall-mounted panel. Air is heated as it passes behind a black surfa...

We found this video at Whole Systems Design, a New England based company who identify, design, and develop human habitats. In their own words from their website : "We design and implement regenerative food, fuel, and shelter systems that operate on current solar energy. These are homesteads, farms and schools fit for a...

What is a thermal battery? Thermal mass of any kind can by definition be called a thermal battery, as it has the ability to store heat. In the context of a house, that means dense materials like bricks, masonry and concrete. Even a jug of water sitting in a sunny window is a thermal battery of sorts as it captures and ...

A solar igloo at first sounds counterintuitive, but contrast is at the heart of this design concept created by the L. McComber architectural team for Montreal's Igloofest. The solar igloo known as 'Celsius' can be visited free of charge until February 19th at the now famous Igloofest in the Old Port of Montreal. We wer...

Is Electric Heating Eco-friendly? Determining whether or not electricity is an efficient and ecologically responsible means to heat a home should include the initial electricity production as well. Burning fossil fuels to fire electric power generation is only around 30-60% efficient. There is also significant loss fro...

Why build a frost protected shallow foundation using prefabricated foam forms ? Building a frost protected shallow foundation (FPSF) is a well-proven alternative to building deeper, more-costly foundations in cold regions with seasonal ground freezing and the potential for frost heave. Traditional foundations for cold ...

There are many manufacturers of heat pump water heaters on the market, which, rather than heating water with an electric coil as a normal electric hot water tank does, employ an evaporator to extract heat from the air (either interior or exterior) and use it to make hot water. The byproduct of an air-to-water heat pump...

It might seem like pie in the sky, but with these easy to read DIY instructions from the good folks at the Endeavour Centre your dream of a warm, net-zero shower is well within reach.  This tutorial will show you how to make excellent use of an easy to put together, handmade, solar hot water system. Use it to build the...

The continuing drop in cost for home solar power generation has led to a dramatic increase in the rate of installations, for both residential and commercial use. Increasing the yield through reflection could make that an even more affordable energy supply option. Most of the advances in solar power production come from...