Last Updated: August 16th, 2021

Welcome to American Solartechnics

8/16/21 - PLEASE NOTE: Due to supply chain issues we will be unable to ship tanks until the 3rd week of October! Please contact us for more information.


American Solartechnics specializes in the most advanced and modern heat storage options for renewable energy heating systems today, the Heat Bank! The highly insulated Heat Bank storage system is one of the most affordable and versatile products on the market. We offer many different sized Heat Bank storage tanks along with heat exchangers to fit every system's needs. Need a custom size storage tank? We can do that as well!


All of our Heat Banks are easily assembled, in an hour or less. The largest component of our largest tank is 30" wide by 88" long by 5" deep and weighs about 15 pounds. The versatile modular nature of the Heat Bank makes installation of large amounts of storage in tight or otherwise inaccessible space to other storage tanks a simple task for one person using a Heat Bank!

Latest News

We've Moved!

We've moved into a new location in Stockton Springs! There has also been a change to our phone numbers. The 207 number is no longer in service. Currently, our only number is 888-866-8970. Our new mailing address is 24 US Route 1, Stockton Springs, ME 04981.


Looking for our car inventory? Visit our sister site!

Lifetime Heat Bank Liner Warranty

Here at American Solartechnics, we take pride in our workmanship and stand behind our products 100%, which is why we are upgrading the liner warranty on our patented Heat Banks.


American Solartechnics warrantees all Heat Bank liners for life.


This is a non-transferable warranty for the lifetime of the original Heat Bank installation. This warranty covers materials and liner workmanship only. This warranty covers all Heat Bank liners fabricated by American Solartechnics, used in conjunction with American Solartechnics heat exchangers, or in installations without heat exchangers (i.e. drain back installations). Using third party or homemade heat exchangers in a Heat Bank liner voids the warranty. Overheating damage is not covered. Our liners are rated at 180˚F continuous and 200˚F intermittent. Warranty card must be filled out and submitted to AST once the liner is in service for full coverage. Liner must be installed as per directions in the Heat Bank assembly manual.


Any questions? Give us a call or shoot us an email, we're here to help!

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