What if George Washington went solar? A solar system for Mt. Vernon

Curious what a solar cost estimate looks like for a home the size of Mount Vernon? We walk through George and Martha Washington's real electric bills, financing options, and system size.

A central AC uses 3,000–5,000 watts, a window unit 500–1,500. See portable AC and BTU-by-BTU wattage, plus how to calculate your own cost.

A refrigerator uses 300-800 watts on average, but only 100-400 running watts once you factor in compressor cycling. See the formulas, plus what that costs per month.