5 Best Garage Heaters - July 2021 - BestReviews- best heater for woodworking shop ,Dr. Infrared Heater. 240-volt Hardwired Shop. Check Price. Simple Yet Solid. Bottom Line. Its relatively low price and steady performance make this garage heater a steal. Pros. Adjustable louvers offer direct airflow and a leg up among close competitors. Can be mounted to ceiling or wall or sturdy brackets.Shop heat | Woodworking Talk6/4/2014· I installed a heater in my attached garage a couple years ago, and went with a 240v electric heater. The garage is for automotive work only (the woodworking shop is in the basement), so it's not continuous use, and doesn't need to be very warm.