As mentioned at the beginning of this chapter, the first objective is to ensure that the heat inside remains inside during the heating season, and that the heat outside stays outside during summer. This is the job of the envelope. For comfort and energy reasons, the envelope must be air tight, so the next job is to guarantee a supply of fresh air - hence, a ventilation system is needed. The third job is to produce and distribute the small amounts of heat still required for space and water heating. The final job is to supply the electricity. As with building heating, the first objective is to minimize the need for electricity. According to the budget of the client, electricity can then be produced from solar energy.
Was this article helpful?