I will soon purchase a 1,000+ watt AC for my room. However, my home's wiring is old, and it can't support a high-powered application like a space heater. Therefore, my idea is to buy a window unit AC, but split the power demands to two plug outlets. This is the opposite of a multi-outlet surge protector where many small devices are plugged into one outlet.
Is there an electrical device to split the workload between two plug outlets? If so, where can I buy this and how much?
Finally, regarding safety issues: My plug outlets are 2-pronged (no ground). Would there a risk of fire or anything?