
Eternal
About Eternal
Eternal is a US-based manufacturer of hybrid condensing water heaters that combine tankless technology with a small storage buffer tank. Founded in 2009 and based in Commerce, California, Eternal's unique approach eliminates the cold-water sandwich effect common with traditional tankless units while maintaining high efficiency (up to 0.96 UEF). Their hybrid design provides instant hot water delivery with the energy savings of on-demand heating.
Known for: Hybrid condensing water heaters that combine tankless efficiency with small buffer tank for instant hot water without cold-water sandwich
Certifications & Standards
Warranty
15-year limited warranty on heat exchanger; 5-year on parts
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Common Problems
Frequently Asked Questions
What does Eternal make?
Eternal is a US-based manufacturer of hybrid condensing water heaters that combine tankless technology with a small storage buffer tank. Founded in 2009 and based in Commerce, California, Eternal's unique approach eliminates the cold-water sandwich effect common with traditional tankless units while maintaining high efficiency (up to 0.96 UEF). Their hybrid design provides instant hot water delivery with the energy savings of on-demand heating.
What is Eternal known for?
Eternal is known for Hybrid condensing water heaters that combine tankless efficiency with small buffer tank for instant hot water without cold-water sandwich.
What warranty does Eternal offer?
Eternal offers 15-year limited warranty on heat exchanger; 5-year on parts.
Where is Eternal headquartered?
Eternal is headquartered in Commerce, California, Founded 2009.
Is Eternal expensive?
Eternal is positioned in the premium price tier of the market.
