Rheem is the first manufacturer to have a residential gas-fired furnace that is certified by the South Coast Air Quality Management District (SCAQMD) for Rule 1111.

SCAQMD created the California mandate to reduce nitrogen oxide in natural gas-fired, fan-type central furnaces from 40 nanograms per joule to 14 nanograms per joule.

The new Rheem Ultra Low NOx Gas Furnace has met the expected reduced NOx emissions and will decrease NOx emissions by 65 percent from the current standard.   An article from the March/April 2017 SCAQMD Advisor notes the certification was achieved after a source test performed last June that demonstrated the model operated well below the emissions limit at all stages of firing, in particular during start-up.

“We are proud to be the first manufacturer to create a product that is not only compliant with the new NOx requirements, but is an environmental game changer,” said Ryan Teschner, product manager. “It was a five-year challenge for our engineers and product developers to lower emissions by that much and we are excited to get it on the market soon.”

The Rheem Ultra Low NOx Gas Furnace will be released before the proposed Rule 1111 compliance date.