Costco To Sell Home Solar Panel Kits
n Does the manufacturer have panels that have been in use for the length of their warranty or longer?nn 2.tThe performance of the solar panels. The most important factor is not the efficiency of the panel or cell, but the total kWh produced on an annual basis as that is what actually lowers your electric bill. Because of variances in manufacturing and the design of the panels themselves, higher efficiency does not always equal more kWh produced.
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The solar kits are grid-tied systems that include Grape Solar panels, inverters, and racking systems that are ready to install onto the roofs of homes and other structures. Grape Solar says the kits are designed to be expandable, so customers can start small and grow their system over time if they wish. In order to facilitate installation, Grape Solar has developed a network of over 5,000 installers who will be available to provide locally based customer support. According to Grape Solar, it launched a test program in several markets starting in July of 2010. Customer response was apparently positive, so the program was expanded to include other warehouses in high-demand solar markets. Once the products are available on-line, they can be ordered and delivered to a buyers home in just a few days. Grape Solars panels come with a 25-year warranty on power output and a 10-year warranty on materials and workmanship.
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