Select a Country

Regulations

NOx Emissions Reduction: Path to Clean Air

April 23, 2025
Ultra Low NOx Clean Air - Rheem Maximus

Plan for Tomorrow, Act for Today
Changing Environmental Standards for Appliances

As part of Rheem’s commitment to leading the way with products that truly make a difference for the planet, Rheem is focused on developing water heating products that meet regulatory requirements, reduce greenhouse gas emissions and environmental impacts while delivering reliable performance.

Our comprehensive line of ultra low NOx (ULN) tankless and gas water heaters, including Maximus® super high efficiency gas tank,

Headline
A celebration 100 years in the making
With the help of our people and our partners we've driven industry innovation for 100 years. We're proud that it's all led to Rheem being the brand that homeowners and businesses count on. And the best part is, we're just getting started.
Join the celebration
Enter Rheem.com