In a word…savings. In other words, when the sun is shining you can save some serious money and resort back to your existing heating system in times of extreme cold or cloudy conditions where the SOLAR MAX may not be sufficient. The aluminum cans are stripped of paint and installed into the housing unit in a way that promotes maximum air flow. The sun heats up the aluminum and this heat energy is transferred into the air as it is forced through the collector and back into the house.
And it does this without any moving parts and practically no maintenance. It is literally the most cost-effective heating system in the world. Assuming good access to sunlight, the unit is capable of producing close to 10, BTUs of heat energy and could heat many of the small to medium sized homes in America for free. In a system like this, stored heat energy could be released as needed when the unit is not producing enough heat on its own.
For a slightly higher cost, CanSolAir also offers a stand alone off-grid unit complete with its own solar PV panel, inverter and associated electronics. In addition to offering this product, I like CanSolAir for another reason. In , the company acquired an 18 acre testing facility to develop new ideas.
I saw something similar to the soda can unit you described many years ago and I doubt it would really work at all. I think the Mother Earth News had that in one of their issues years back.
I know it works, because it had a space underneath the cans where the cooler air from the house would go in and down to the bottom, and a space where thair could go from the cooler air at the bottom, and up and thru the cans and back into the house. Your email address will not be published. This site uses Akismet to reduce spam. Learn how your comment data is processed. Skip to content. Related Posts. Previous Article Plumbing Access Camouflage.
These things take a lot of cans so you help get the ball rolling by increasing your consumption of the canned beverage of your choice :- Rick. Thanks Monty. I imagine you have a lot of these installed in houses all across Newfoundland. Rick, Just wanted to send a note and say thanks for featuring my pop-can solar heater. Greg West Georgia, U. Good luck. Each unit has 15 vertical columns of cylindrical shape, making the actual surface area exposed to the sun greater than the two-dimensional area of 2.
The same cylindrical design enables the Solar Max to collect solar radiation for a longer period each day due to its ability to receive and collect radiation from many angles. Solar Max uses the most conductive black paint available for solar collectors an a strong lexan outer cover which allows sunlight in while remaining resistant to the elements. Cansolair Solar Max Model Number:. In barns and outbuildings where ventilation is important, an active solar heating system that uses perforated metal cladding can guarantee an inflow of heated fresh air Figure 6 , improving indoor air quality.
It can be easily incorporated into plans for a new building or retrofitted onto an older building, replacing the normal cladding. In warmer climates, solar air heating can be used for more intense work, like drying crops. In Ontario, it is more viable as a means of preheating the air for barns and other buildings, reducing the amount of energy expended for space heating. Apart from the upfront costs, solar air heating requires only routine maintenance—the energy it generates is free.
According to a study by the Integration of Renewable Energy on Farms IReF website, the average payback period for a solar air heating system is 2 to 5 years. The easiest and least expensive way to install a solar air heating system is to incorporate it into plans for a new building. Retrofitting an existing building requires that the air collector of the solar heating system be connected to the building's existing ventilation system, a task best performed by a professional contractor.
Once the system is installed, it requires only routine maintenance to the fans. Passive solar walls can be added to an existing insulated building with slight modifications. The building requires a good southern exposure to consider any type of solar heating.
For all approved commercial solar air heating systems, the Province of Ontario is offering a full PST rebate of those installed and purchased before January 1, For commercial enterprises, the federal and provincial governments offer joint incentives for adopting active solar thermal air heating, reimbursing farms up to 50 per cent of the total cost of a solar water heating system.
This is an example only. Incentives are available for other approved solar system vendors which can be found at www. Figure 6. Perforated cladding active solar air heating system. Courtesy of SolarWall. SolarWall Conserval Engineering Inc. Exacon Inc. Exeter, ON Call: or Cansolair Inc.
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