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Prescriptive Heating

PRESCRIPTIVE HEATING AND INSULATION REQUIREMENTS are specific requirements for heat --expressed in BTU's per square foot, and insulation--usually R-13 in walls and R-19 in roofs, which, if followed, exempt live/work space from requirements for complex Title 24 Energy Calculations. It is not always the best way to go, but when it works it can save a lot of trouble.