Residential Systems

Our EagleSun™ systems provide homeowners ways to reduce cost and contribute to energy independence.


Commercial Systems

EagleSunPro™ systems provide efficient solar heating solutions in either glycol or drainback designs.


Industrial Solutions

Leading architects and engineers choose AET solar thermal systems and solutions.


Solar Thermal Technology Leader

Alternate Energy Technologies (AET) is America's largest manufacturer of flat-plate, solar thermal collectors. We provide turnkey commercial solar water heating solutions as well as pre-engineered residential systems.

AET and its affiliates have been in business over 4 decades and we are a leader in the solar thermal industry offering comprehensive training, technical support, commercial system sizing, engineering and design.


AET Trainings & Clinics

View the event calendar and register for classes.

Become an AET Dealer

Join the AET Network of dealers for training, products and support.

Smart Energy Incentives

Find incentives in your area related to renewable & efficiency.

Solar Thermal Products & Solutions

AET provides some of the best solar energy products and solutions in the industry, from complete systems to parts and components, AET is your trusted supplier for solar thermal solutions.

Solar Water Heating

AET offers pre-designed completed systems for both residential and commercial applications. Our residential systems are marketed under the EagleSun System brand and the commercial systems are marketed under the EagleSun Pro Line.

Solar Pool Heating

AET provides a full line of EagleSun pool heating panels. AET's research proved our line of pool panels offers the best performance and durability in the market. The EagleSun pool panel line meets the superior quality of the products that we manufacture.

Let Alternate Energy Technologies (AET) help you go solar with our solar thermal collectors, storage tanks and systems brought to you by the name you can trust.