7500W Electric Garage Heater - Digital Ceiling Mount Shop Heater with Remote Control | 240V Hardwired with 12-Hour Timer | Ideal for Workshop, Warehouse & Home Garage Heating | Perfect for Winter Use & Large Space Warming

Item was well packaged having 4 plastic reinforcing corners on the bottom of the box. Despite that, the foam that is packed in the box was cracked all around indicating the typical rough handling of packages we have come to expect from the delivery service in our area. I mounted the bracket 16" off the back wall of my garage, which lined up with a ceiling joist. I had a 50' piece of #10/4 SOOW cabtire with a 230V Hubbel twistlock connector in the middle. I wired it directly to a double 40A GFCI breaker that I had previously used to run the hot tub I no longer own. While I had the bottom off, I noticed some of the wires that went up into the heater section were bearing quite tightly to the edge of the access holes in the main heater floor panel, so I installed rubber grommets in the holes and manipulated the wires so there is now less tension on them. After installing the bottom cover and powering it up, there was a slight smell from the first-run of the heating elements. Just a note that there is no instruction manual with this unit, so if you don't feel comfortable around electricity, don't try to wire it up yourself. For the ground "bolt, I just split the #10 stranded wire in two equal sections and twisted them around the shank of the bolt. I had previously added a larger diameter washer to the bolt to ensure the ground wire was fully captured. I was unaware how the 3 switches worked initially, but if you look at the wiring diagram, it shows switch 0/I as one heater element and the fan, II and III are just additional heating elements. From reading the advertisement of a different heater (same features, just different colour) I understand that the O/I switch is 3000W, then switch II brings it to 4000W and all 3 switches make 5000W. I can tell you that with the thermostat set at 1/4 of the way the switches at the 4000W setting, it heated up my garage overnight (about 6 hours of running) to the point where everything in my garage was at. or above room temperature. When I checked current flow through the cable, it was reading about 18A. I have since been running it on the low temperature switch and left the thermostat at the 1/4 of the full sweep of the dial and it's toasty warm in my garage.This unit replaced a 120V 14" infrared heater that was encased in an aluminum body, (like a big halogen flood light, only emitting a red light) having a tempered glass window. It got really hot if you were too close to it. I ran a 6" 3-speed fan behind it to provide some convection and it would warm the garage ok, but even overnight, my tools hanging 10' away behind my workbench would still feel cold to touch. This is not the case with the new heater. It's pleasant to be in there now, even when the overnights were -12 here, the whole garage is warm because everything gets heat-soaked. I have read in some comments that the fan motor may be loose, etc. I did not check every screw, but I definitely will to be sure. I would rate this as a 4.5 stars only because there was no manual included to explain the operation.Update: 1 month laterThis unit is still working great. We have had some very cold spells in the Niagara region this winter and it's so nice to open the garage door and feel a wave of heat coming up from under the door. I figured out the operation of the 3 switches. Each switch engages a separate heating element, so if you need to heat up the space very quickly, flip them all on. I will turn the thermostat almost all the way down when I am finished in the garage for the day and leave just the first switch on.