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Product prices and availability are accurate as of Jul 14, 2026, 6:27 AM and are subject to change. Any price and availability information displayed on the retailer's site at the time of purchase will apply.
The lowest in-stock price right now is $20.99 at Walmart. We compare 2 retailers every day so you always see the cheapest current price.
Rethink Press Solar Boom: The insider's guide to the utility is currently available at Walmart and Amazon. Use the Price Comparison table above to jump straight to the cheapest listing.

CREATESPACE
Solar & 12 Volt Power for beginners: off grid power for everyone
from 1 retailers

New Society Publishers
Solar Water Heating: A Comprehensive Guide to Solar Water and Space Heating Systems (Mother Earth News Wiser Living Series)
from 2 retailers

tredition
Solarthermie: Eine nachhaltige Energiegewinnung für Haushalte und Unternehmen (German Edition)
from 1 retailers

Majosta
Off-Grid Power and Water Systems Simplified: How to Harness Solar, Collect Rainwater, and Build Energy Independence with DIY Solutions
from 1 retailers
See today's price on Amazon
We link you to Amazon's live price — never a stale one.
See price at AmazonComparing 2 retailers for the best deal
Product prices and availability are accurate as of Jul 14, 2026, 6:27 AM and are subject to change. Any price and availability information displayed on the retailer's site at the time of purchase will apply.
We refresh prices regularly, but retailers move fast. If you found this item cheaper somewhere we compare, let us know and we'll take a look.