Solar panels provide energy for electricity and heat using the renewable energy of the sun. The government has made the production of renewable energy, including solar energy produced by solar photovoltaic panels, a priority, and is supporting it by means of feed-in tariffs and other economic encouragements. Because the installation of solar panels represents a significant investment for most households, it’s important to recognize quality and be sure that the solar thermal systems that you purchase are manufactured to the highest quality standards.
In general, solar panels should be strong, long-lasting and well-built, and promise a long life with little maintenance needed. You can look for certain qualities to help you determine whether the solar company you contact provides high quality solar panels and solar systems.
Solar Panel Certification
Ask the solar panel installer if the panels are certified. Solar panel certification guarantees that the manufacturer is producing solar panels following industry standards. The solar company should be able to tell you whether the solar pv panels they install are certified and under which certification they’re produced. Once you have the specifics, you can check online to see if the certification is valid.
Visually Inspect Solar Panels for Defects
Examine the solar panels for visual defects. There are three easy-to-spot defects that hint at poor quality construction in solar panels. They include visible scratches on the frame or the glass of the panels, excessive glue marks or glue on the glass and visible gaps between the solar panel frame and the glass due to incomplete sealing or poor sealing. The presence of these visible defects suggests shoddy workmanship and any solar company that doesn’t spot them or installs solar panels that show them is doing shoddy work that won’t deliver the best results for you.
The Solar Panel Box Should Be Light But Strong
The photovoltaic panels sit in a box or bed that holds them and attaches them to your roof. Because the system sits on your roof, it must be light enough to avoid placing undue stress on the roof, while being strong enough to withstand the elements and hold the solar panels in place.
Look Beyond the Solar Panels
Solar panels are the most visible part of a solar system, but they’re not the only part. Be sure that the solar installer is using high quality components for every part of your solar system for best results.
Low quality solar PV panels may work well in optimal conditions, but their power production drops dramatically when conditions are marginal. In fact, high quality solar panels will only drop off production slightly when conditions are less than optimal. For best results from your solar panels in all conditions, be certain that all of the components of your solar pv system are the best quality.
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