Northern Tool offers the ProFusion Heat 4-Tube Infrared Quartz Heater with LED Display for $79.99. Coupon code "255831" cuts it to $69.99. Opt for in-store pickup to dodge the $17.49 shipping fee. That's the lowest price we could find by $40, although we saw it for $3 less in January. It features three heat settings, an adjustable thermostat, digital LED display, and a timer.