DESCRIPTION
diagram of a classic colonial house with ground-source heat pump as source of energy for heating (another house diagram from the collection, all have the same point of view/angle/perspective, easy to combine) + .ai cs3 file multilayer for easy edit (16 main layers+sublayers, many alternatives possible) +.pdf, + .jpg high-res, +.png high res (6667x6667) Submitted EPS version: AI-8 compatible EPS