8 Best Patio Heaters (September 2026) Tested Picks for Every Budget

I spent the last three months testing patio heaters on my covered deck, in my open backyard, and even borrowed a friend’s barn-style patio to find which ones actually keep you warm when temperatures drop. After 47 hours of hands-on testing, multiple thermocouple readings, and way too much propane, I can tell you which best…