We initiated service with Amerigas for two unvented gas log fireplaces in our 1626 sq.ft. ranch home w/crawlspace. They installed a 100-gal. tank. Now that we've been in our home for two years and experienced from one extreme to the next, I have compared our cooling and heating consumption. Our home is all electric with a central ac/heat pump system currently in good working order. Home is well insulated (blown and blanket insulation) with rating of 34R. Last summer, with pool pump for 24' round above ground pool running 24/7 and... read full review »