How dense your solar panels are will determine their efficiency. Getting high density solar panels may cost you quite a bit, but after a while they'll pay for themselves because they produce more power. Before you select your solar panels, you should consider panel density.
Before making a choice on how many solar panels you use make a list of all the electrical appliances you use and the wattage and hours utilized by each one. This will be helpful in determining how much solar power you will need. No matter if you decide to install the equipment yourself or have someone else do it, this information will help your choices.
Forget the salesman or the confusing websites, this video will show you what a solar panel system REALLY costs. From the most basic starter kit to a whole …
Get your financial figures right before deciding on a solar system. You need to weigh the cost of the system against how much energy it will save you. Take the cost of the system and multiply it by its' lifespan. Now figure out how much energy you will use in that lifespan to determine if it is right for you.
Find out what kind of warranty comes with any system you are considering. A solar energy system should last you for at least twenty years, so be sure the company you are dealing with can support it. If there is no warranty, or an extremely limited one, it may be time to keep looking, no matter how great the savings are.