Heating and Cooling from the Sun

Harnessing the heating - and cooling - powers of the sun from PhysOrg.com
Imagine heat radiating from the walls of your home on a cold winter night, or the glass in your home's windows emitting cool temperatures on a scorching summer afternoon. Now imagine these systems operating on an endless supply of affordable energy – the sun. Three years ago a team of Rensselaer Polytechnic Institute researchers began developing an "intelligent" heating and cooling system that made these seemingly too-good-to-be-true scenarios a possibility.

Developed by Steven Van Dessel, assistant professor of architecture at Rensselaer, the patented Active Building Envelope (ABE) system uses a photovoltaic (PV) system to collect and convert sunlight into electricity. That power is then delivered to a series of thermoelectric (TE) heat-pumps that are integrated into a building envelope (the walls,windows, and roof). Depending on the direction of the electric current supplied to the TE heat-pump system, the sun's energy can actively be used to make the inside space warmer or cooler. An energy storage mechanism is also integrated to collect extra energy for use when little or no sunlight is available.

The original ABE system uses solar-panels placed on the outside walls or roof of a building. TE heat-pumps approximately one square inch in size are dispersed throughout the building's envelope. Since this system is made up of bulk materials, its implementation can be costly and impractical. Additionally, this ABE system can only be applied to new construction projects, as the TE devices need to be placed inside the building's walls, windows, and roof.

Van Dessel is leading a team of Rensselaer researchers to investigate the potential of ABE systems operating on the micrometer scale. The miniaturized system would function in a similar fashion to the original, but would use thin-film photovoltaic and thin-film thermoelectric materials instead of bulk components. The use of thin-film technologies could potentially result in extremely thin (less than 500 µm) ABE-surfaces. The very fine, transparent material would function as a thermal coating system that could be applied on to various surfaces, much like a glaze.   [...]

Comments

[amazingdrx]

Good idea conceptually using the wrong technology.

Solar is great at supplying electricity and heat from the same collectors. And cooling can be acomplished most efficiently by simply circulating fluid through pipes underground and in the homes inner structure using solar electric powered pumps.

Then extra heat in cold climates can be harvested using a heat pump that retrieves heat from those underground pipes. and extra cooling can be extracted in hot climates by using the heat pump in reverse to boost the cooling capacity of ground coolness.

Thermal electric cooling is very inefficient. not a viable air conditioning technology, especially when drive by relatively inefficient solar electric cells.

[heating]

If you have looked into solar energy as a method for heating your home, panels are usually the first things that come up.

There are, however, other unique methods.

The Solar Heating Aspect You Have Never Heard of Before

The power of the sun is immense. The energy in one day of sunlight is more than the world needs. The problem, of course,

is how does one harness this power. Solar panels represent the obvious solution, but they have their downside. First,

they can be expensive depending upon your energy needs. Second, they do not exactly blend in with the rest of your home.

Passive solar heating represents a panel free method of harnessing the inherent energy found in the sun for heating

purposes. If you come out from a store and open the door of your car in the summer, you understand the concept of passive

solar heating. A wide variety of material absorbs sunlight and radiates the energy back into the air in the form of heat.

Passive solar heating for a home works the same way as the process which overheats your car in the parking lot.

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Pilgrim Oil Group and its wholly owned subsidiary oilforless.com© was created to help heating oil consumers find oil for less throughout New York, New Jersey, Connecticut, Pennsylvania, and Massachusetts. Pilgrim is a buying group with its sole purpose to bring its members the best price, accompanied with the highest quality of service in the industry today.

At Pilgrim Oil Group, building strong relationships with our group members is the cornerstone of the Pilgrim experience. Not only price and service but accountability, experience, knowledge and the individualized attention is what sets Pilgrim apart from others in the industry. We believe that such relationships can create an environment for greater service and performance. Take advantage of Pilgrim's massive buying power and years of experience at no cost to you.

Managed by professionals with an extensive background in the industry, we understand what consumers are looking for in a heating oil provider. Enjoy the Pilgrim experience!

Our Mission

Pilgrim's commitment to outstanding customer service is to provide our members with useful value added benefits that help them better manage their fuel oil expenses; our staff is here to assist our members with every question or challenge they may face concerning their heating oil needs.

This dedication to customer service and top quality fuel oil providers has enabled us to become the fastest growing oil buying group in the Northeast. It is our promise to continue with the highest level of member satisfaction.

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This dedication to customer service and top quality fuel oil providers has enabled us to become the fastest growing oil buying group in the Northeast. It is our promise to continue with the highest level of member satisfaction.

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The sun is what is called a gravitational fusion furnace. The gravity of the sun's mass of gasses cause the pressure and the temperature in the center of the sun to reach a temperature of 15,000,000 degrees C and a pressure of about 250,000,000,000 times the pressure on the surface of the earth. At such high temperature and pressure four atoms of hydrogen fuse together to form one atom of helium.

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[Albany Suzuki]

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[Manchester Plumbing]

Solar powered heating is definitely the way to go. We at Plumbers Manchester will do our bit!

[Enercom Industries]

Who knows what will come in the future with heating and cooling. Solar technology has certainly advanced.

I'd like to see an energy cell that fits in your hand that powers everything. Hey, it worked for Ironman LOL

Regards,
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Yes solar energy is the cheapest way to get energy.

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