Solar Power Your Home For Dummies

Solar Power Your Home For Dummies

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They can be either off-on or proportional (a mixture of off and on, or an ability to control the amount of flow). ... If you need to drain your system for winter use, you usually need a vacuum breaker; if you need to drain quickly, a vacuum breaker is definitely necessary. ... Domestic water heater systems often use an electronic controller that takes temperatures, time of day, and other factors into account.

Title:Solar Power Your Home For Dummies
Author:Rik DeGunther
Publisher:John Wiley & Sons - 2011-02-09


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