I’m Nathan, based in Birmingham, Alabama, and I’m setting up a diesel air heater for a small off-grid workshop space on my property. I’ve been looking at a few 2026 models online and trying to compare output ratings, fuel consumption figures, and what people say about controller reliability. One thing I keep going back and forth on is whether a higher-kilowatt unit is worth it for a space that isn’t that large, or if it’ll just cycle on and off and burn more fuel than needed. I’m also unsure how much the exhaust and intake routing matters for safety and efficiency — the listings I’ve seen mention minimum clearances but the details are inconsistent. Before I commit, I’d like to understand what actually matters in daily use versus what’s just marketing. For anyone running a diesel heater in a similar setup, what specs did you end up prioritizing, and what would you check before buying?
Update after digging around more - Best Diesel Heater of 2026 came up while I was comparing controller details. Still not sure a bigger unit makes sense for my small workshop, but I’m leaning toward prioritizing exhaust routing and clearances first.