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Rinnai offers education on new DOE regulations to water heater distributors, contractors

Jan. 13, 2015
Rinnai will offer distirbutors and contractors guidance on new rules passed in 2010 by the United States Department of Energy (DOE).

Rinnai will offer distirbutors and contractors guidance on new rules passed in 2010 by the United States Department of Energy (DOE).

The DOE as part of the National Appliance Energy Conservation Act (NAECA), issued new energy efficiency mandates that require higher Energy Factor (EF) ratings on most residential water heaters and will impact how water heaters are manufactured, as well as how and where they’re installed. These updates will go into effect on April 16, 2015.

“Rinnai is committed to keeping our dealers and distributors educated and informed while the industry transitions to the new Department of Energy mandates,” said Susan Mittelbrun, vice president of marketing at Rinnai, the number-one selling brand of tankless water heaters in the United States and Canada. “With decades of technological leadership, all Rinnai tankless water heaters already meet or exceed the new DOE mandates of more-stringent efficiency standards.”

To help dealers, distributors and contractors understand the impending changes and the effect on the products they carry and install James York, Rinnai’s Vice President of Engineering, offers the following guidance:

·         More Insulation Means Bigger Tanks, Less Installation Flexibility: For gas tank water heaters with 30-50 gallon storage tanks, the increase in minimum standards will trigger an increase in the insulation needed, resulting in up to 2” greater tank diameters. This may be problematic when an existing tank water heater needs to be replaced and the new, larger tank no longer fits in the same space or through narrow doorways, openings and staircases leading to it.

·         The Price Difference Between Tank & Tankless Is Narrowed: Traditionally, tank water heaters have enjoyed lower upfront costs than tankless. These new regulations, which will increase the cost of tank water heaters (and may make their installations more expensive as well), will have virtually no price effect on Rinnai tankless water heaters and may narrow the price gap enough that many consumers are expected to upgrade to tankless when it comes time to install or replace a water heater.

·         Tank Water Heaters Will Be More Expensive & Complex To Install: In addition to tank size, the complexity and expense of a tank water heater installation will increase. Tanks with a 55-gallon capacity or larger may require an electrical outlet to be installed to power the additional components and controls needed to achieve high efficiency. In addition, they will require special venting and a means to drain the condensation. For contractors and dealers, the heavier, more complex tanks may require more manpower to move, more space for storage and potentially larger service trucks to transport them -- all costly changes that will ultimately be passed along to the consumer.

·         Tankless Will Still Be Preferred By Green Building Programs: Because tankless water heaters operate on an as-needed basis, they use up to 40 percent less energy than traditional systems, in turn reducing environmental impact. For this reason, tankless is still expected to be the preferred water heating method for most green building programs, such as the United States Green Building Council’s LEED ratings and the Home Energy Rating System (HERS) Index.

To further help inform and educate distributors and dealers, Rinnai has also launched an online information hub on its website with more detailed information and educational resources. Additionally, Rinnai’s weekly newsletter, Rinnai Insight, now features tools intended to help contractors and distributors better understand the new DOE guidelines and how it may affect the products they carry.

To learn more, please visit www.rinnai.us/about-rinnai/doe.

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