There are alternatives to forced-air heating systems, particularly in mild climates such as California. Consider a grid-tied photovoltaic approach, which not only solves problems of storage (when compared with a complete solar space heating system) or go with a high-efficiency, split-system heat pump designed for residential use. Berkeley-based Sun Light & Power provide energy-efficient design and building solutions. More at [Dwell](http://www.dwell.com/green/].
There’s a lot happening in the world. Through it all, Marketplace is here for you.
You rely on Marketplace to break down the world’s events and tell you how it affects you in a fact-based, approachable way. We rely on your financial support to keep making that possible.
Your donation today powers the independent journalism that you rely on. For just $5/month, you can help sustain Marketplace so we can keep reporting on the things that matter to you.