Facts Before the Purchase a Solar power Electric System

Facts Before the Purchase a Solar power Electric System

"How many kw of solar power systems has your company installed?"

Due to the recent spike in solar panel installations, and the decrease in other construction-related businesses, manybuilders are attempting to start solar installation companies with no solar experience and without proper solar certification. Look for a solar installer with at least 12 installations and a few references.

2."Is the warranty on my solar panels really 25 years?"

Most solar panels on the market are high-quality and will have a guaranteed output of not less than 90% after 10 years and no less than 80% after 25 years. Any panel should have this warranty, whether it's made inGermany, China, or America.but make sure they do have it.

3."Is the warranty on your labor 10 years or longer?"

Some states require installers to warranty their labor for 10 years in order for the system to be eligible for state rebates. Any good installer should have no problem including this.

4."What is the total output of the solar panel system in kWh/year?"

This is arguably the most important factor in comparing solar electric systems (other than price, of course). If you have solar panels warranted for 25 years, and labor guaranteed for 10, then the brand of solar panel whether Canadian Solar, SunPower, Suntech,Solarworld or any other doesn't matter. What matters is how much power they are expected to produce in a year. Many times less expensive, "less efficient" solar panels will produce more energy in a year at a better price than the pricier, "more efficient" solar panels. When warranties are the same, output is the money-maker, not brand or efficiency.

5."What is the final cost after parts, labor, installation and rebates?"

Don't compare the cost of the panels exclusively, or the labor exclusively. Compare the bottom-line cost after rebates. Whoever can give you the most output (kWh/year) at the best price, is the company you should purchase your system

6.I Personaly recomened find a local certified installer,and buy your system locally or on the internet, you will be surprise how much less the overall cost,and will save thousands.

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