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>Great Places to Start
Step 1
Make your home more energy efficient
AltE Articles
Step 2
Assess your renewable energy options
Renewable Energy Basics Videos
Step 3
Choose and design
Check out our Design page - full of calculators, sizing information, and information about components you'll need.
Check out our Forums - and post your design questions and challenges and get great answers from our renewable energy folks.
Consider one of our classes in Hudson, Massachusetts or Columbus, Ohio - especially if you're looking to install the system yourself and you'd like hands-on training.
Help and Support
- Rebates & Tax Credits - Cut the cost of your system up to 50%!
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- Read the latest product reviews
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- See what people have to say about us
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Customer testimonials
“I trusted you somehow and I never buy from the internet so that is saying a lot!”
Carla - Carlsbad, CA
“Thank you for such a quick response and for trying to be competitive on the price. Great customer service is more important to me than rock bottom prices. Thank you!”
Joey - Mountain View, Arkansas
“My order was received just in the nick of time as we have an appointment tomarrow at
9 am for help in installing this unit and the other 2 items on this order.
Thanks again, and if I ever need anything else I will surely consider your store.”
Carl - Livingston, TX