Rooftop solar panel installation for most residences is usually done by mounting them to sloped roofs, but why can't solar panels on flat roof too a regular option? It would indeed be tough to attach them to a flat surface, with no slope at all—or worse, in an area where snow buildup occurs regularly—solar panels might not be an option.
But there are ways around these problems. The first thing to look into when installing your solar panels on flat roof is whether or not your local energy company offers any programs that will make buying and installing (or leasing) them more affordable. If they do, then you may still have access to them even if your rooftop isn't ideal for their placement. Or perhaps your city has other incentives in place that will offset some of the cost; double-check here as well!
The installation of solar panels on flat roofs has its share of advantages and disadvantages however, with a flat roof, there are a few additional aspects to consider.
Panels are more filthy with time. If you have a tiled roof, it is common for rainwater to wash dirt and other debris off the panels. In the absence of this self-cleaning function, the dirt can remain there, degrading the efficiency of solar panels.
If there isn't any additional equipment for mounting, panels will not receive as much sunlight. Solar panels typically face south when placed on a tilted roof to maximise the sun's exposure and produce more energy. If they're laid flat, the panels will not convert more energy since they won't be receiving the same amount of sunlight.
Flat roof panels could render certain warranties useless - If the panels have been laid out flatly, water will sit between them and the glass layer of the module. Since this gap is covered by silicon, which quickly gets degraded over time, the panels are more likely to be damaged more quickly than they would normally.
Before making any big decisions, it's always smart to do your research and think things through. If you're installing solar panels on your home's rooftop, here are some of the tips that will likely come up during your research:
Once you are sure of these questions and you're clear about your vision of rooftop solar panel installation, you can contact a professional and experienced company for getting your work done.
Before deciding, consider which type of mounting system makes sense for your situation. There are four primary options: rooftop rails, conduit rails and ballasted racking; flush-mounted trackers; and low-profile fixed arrays that don't need racking or mounting hardware because they use special tracker brackets (also called muntins) attached directly to underlying decking or sheathing materials.
You can also choose between mono-crystalline and polycrystalline solar panels. Mono-crystalline cells tend to be slightly more efficient than polys but both can produce electricity in low light conditions. Finally, if aesthetics matter, note that one type of panel design might be better suited for your home than another.
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