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This knowledge base contains information gathered on products offered by EcoDirect.
Charge Controller Sizing – PWM and MPPT
PWM Charge Controller Sizing Solar panels that are the same “nominal” voltage of your battery bank use PWM style charge controllers since the input voltage is close enough to that of your battery bank to allow proper charging without overcharging the cells. The short method for sizing a PWM style charge controller is to take
How to Start Building Your Off-Grid System
You have read Home Power Magazine and their articles on off-grid living, helped your friend install his solar panels on his RV and are thinking about building your own cabin in the woods where there is no utility power. What do you need to know to be able to build your own off-grid home to support your simple, yet semi-electronic lifestyle? This article will tell you what you need to know before designing your off-grid home, what considerations to take into account and how you go about creating your own bill of materials to get started.
Renewable Energy Articles
Welcome to the renewable energy section of the knowledge base. These articles are focused on the renewable energy industry, including trainings, solar electric systems, and wind power. We also offer some great information on the fundamentals of solar to hopefully answer some of the common questions we are asked. Solar Optimizers: A Hybrid Approach An
What is ARRA?
ARRA Compliant Solar Panels - Buy American Under the "Buy American" provision of the 2009 American Recovery and Reinvestment Act (ARRA), public projects backed by ARRA funds must use ARRA-compliant products. This article explains exactly what "ARRA" means, and provides a regularly updated list of the ARRA-compliant products offered by EcoDirect.com. What does it mean
Energy Efficiency Articles
Welcome to the energy efficient section of our knowledge base. Articles related to improving your energy efficiency and environmentally friendly alternatives can be found here. Energy Efficiency 101 Here are a few very affordable ways you can improve your energy efficiency and lower your utility bills with easy fixes. They are also a great way
Solar In Action: EcoDirect Customer makes Install Video of his 15.7 kW Roof System
Jason in North Carolina created a video of his installation for the PV System we sold him.