At the moment For sale natural gas domestic hot water services and I am thinking about exchanging it using a solar trouble process. My question for you is, will I save much cash on my own gas costs? It is somewhat to improve more than and I wish to decide whether or not it's of great benefit in the long run. If someone has changed to pv I would personally be interested to discover how much your propane costs came by as well as what declare of Australia movie. Also I am in Victoria. Appreciate your all advice before hand. Are you aware of the things i observed? My process has diminished my gas usage by 15-20Pct however i still have a propane gas process for occasions when sunshine just isn't out there (morning hours showers). It does work seem to about an annual personal savings of Dollar150-Buck200. For your system that value Usd2000 to run and needs annually routine maintenance the fork out-again will be about 10-18 years. Most of the people can get that improved sealing of an you will find prevent diminished warm and other crawl space efficiency for being the most cost effective accessory for their properties. The sealing is also not that hard to do without help (quite a few hoses of caulk and several perspire money). Even spitting out insulating material into an basement is usually a do-it-by yourself task.