During the day when the sun is up, a solar powered air conditioner will draw power from panels located outside the home. As far as cooling solutions go, a DIY solar air conditioner is relatively low cost and works well with little investment, too. There are many DIY systems out there (just check out youtube) but they are not legal unless you go through a solar technician for selection and installation of your solar powered air conditioner.
The DIY solar air conditioner units are put together using a portable in-window air conditioner, solar panels, and an inverter. This type of unit will run as long as the sun is shining.
There are also commercial solar powered air conditioner systems available, which have the bonus feature of being up to code and legal. Usually the DIY solar air conditioner systems are not legal in most states. There are strict laws regulating electricity in the home, since faulty wiring can pose a very strong fire hazard.
A solar powered air conditioner system that’s installed by a solar professional and is up to code and legal can pay for itself in as little as two years. This will depend on local electricity cost, incentive given by each particular state (some are much better than others), and how large an area is to be cooled.
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