Central heating's come a long way

Quest for energy efficiency fuels innovation

Get Smarter. Grow Your Referral Network.
Limited seating available for Inman Connect San Francisco

Nowadays, when you’re feeling chilly, you just nudge your thermostat up a few degrees. Not too long ago, you’d have been in for a lot more effort: Until the 1880s, most American houses were still heated by an open fire.