Summer days are hot, but summer nights? Sometimes they can get surprisingly chilly. Keep your alfresco ensemble toasty warm even after the sun goes down and the season fades with this must-have heater. Just gather a few cozy chairs, pass around the throw blankets, and your neighbors will be set to hang around all night long. Made from metal, it offers a versatile design fit for any deck or patio. It heats 48,000 BTU.