How does electric furnace works

My home is 90% electric, but my furnace is electric and gas, I am curious about how to change to an all electric furnace since my air conditioning and hot water tank are both electric. Will this require me to amp up my electrical panel?

I have an Intertherm Electric Furnace E2EB-015AH. I came home from work last night, turned the heat on and it didn't work as advertised. I could hear the relays clicking occasionally so I investigated a little and found the elements are heating up and cycling, the relay inside the thermostat cycles...

I have a 10 inch Delta compound miter saw about ten years old. It was made in China. The last time I used it the electric brake did not work and I am wondering if it should be trashed or have a professional fix it? I could also keep a piece of scrap wood handy and stop it with an unpowered cut. ...