Im about to have a avalon rainier insert put in.This is 1st time with wood stove.I want this stove to be main heat for house.My house is about 1500 sqft stove say it heats 600-1800 sqft will heat make it up stairs with fans and be warm enough.And how many cords of wood should i have to heat 24hr 7 days a week?The woodstove place is selling it to me for 3,200 installed with blower.This good deal?thanks