converting from 110 to 220

good info Albert... actually i think (need to confirm) linn gear, their newer stuff, senses/switches automatically/internally.

thx fatparrot...no landlord as its an actual townhouse, not a condo called a townhouse as many realtors etc refer to. so, to keep it stupid simple, can i simply replace my 2 20 amp breakers with, for example, 1 40 amp breaker, run wire (which gauge wire to use for 220) ideally can just remove old line and refish new line, then install a 220 receptacle. come to think of it...all appliances are gas..so are my options out? u do have a 60amp i think circuit for central ac...