The Basics of Solar 
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| | Solar collectors are mounted upon the roof. They harness the energy that is generated from the sun. The energy is transferred into a water/glycol solution at temperatures that can equal or surpass that of your average household hydronic boiler. From there, the solution is then usually circulated through a heat exchanger.. | 
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| A heat exchanger is a device that transfers heat between two mediums. It may be a storage tank, a radiant heating system, or even an absorption cooling system. It may even be all of those things. |
| | It will be necessary to provide storage for the heat provided by the solar collectors. The amount could range from one hundred gallons to two thousand gallons. For residential applications an indirect hot water heater is often the perfect solution to both storage and heat exchanger. | 
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Controls are an integral part of any Solar Collection system. They can range from a simple differential temperature controller that just turns your system on and off based on system temperatures, to a state of the art computerized control system with infinite inputs and outputs. Realistically, the more environmental variables that you monitor, to dynamically change your systems configuration, the more efficient your system will become. This ultimately results in a higher level of comfort and economy.
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| | Hewlett | |
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| COLLAPSIBLE WATER TANKS and low temperature
HEAT EXCHANGERS make it possible to store large
amounts of energy at lower temperatures
and deliver that heated water for domestic hot water
pre-heat, radiant floors, baseboard systems |  |
