I live in eastern San Diego. Chickens (up to 25) are legal pets here, and I hope to acquire a small flock soon. I've been doing lots of research on coop design, but I have a small (to maybe insurmountable) problem. In order to abide by the "50 feet away from houses" part of the law, I would need to build my coop on a south-facing hillside at the back of my home. Schlepping all the construction materials up there would be a pain, but would be doable. What worries me is the summer heat--we have temps in excess of 90 degrees throughout August and well into September. I don't want to roast my hens! Can I build a predator-proof coop that is also super airy? The property will be surrounded by wood and/or chainlink, so I'm hoping that will be a big deterrent to potential predators (the only things my neighbors have noticed are the occasional coyotes).