If you’re tired of stockpiling blankets, extra socks, and heating pads to keep you warm, it might be time to consider getting a space heater. These powerful appliances are a great way to get cozy without installing a complicated heating system. If your radiator just isn’t cutting it or your officemate insists on keeping the window open, a space heater could be the perfect solution. The best space heaters are designed specifically to warm up spaces both small and large; they should be portable, effective, and fast-acting....