Magnum Garage, Outdoor and Construction Heaters are durable and reliable to ensure a job well done. Woodworking project or fixing your car? Keep the chill out of your garage or workspace with the Magnum garage heaters. You know how miserable it can be to work when winter temperatures leave your fingers frozen. Magnum Heaters prevent pipes from freezing and help you complete projects during the most frigid times. These heaters are designed to produce a lot of heat in a relatively short amount of time and focus warmth where you need it the most.