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2015 Energy Code
2015 Washington State Energy Code
Implementation of the 2015 WSEC takes effect on July 1, 2016.

Commercial and residential structures will see new changes in how their energy is used. Significant changes will occur in space-conditioning systems, insulation and lighting. Specifics on residential changes may be found at WSU Energy Extension Program and commercial details may be found at Northwest Energy Efficiency Council.

Residential codes will encourage a more efficient use of energy  through leak and blower door testing, duct sealing, higher insulation values,  indoor and outdoor lighting fixture efficacy  requirements,  and   compliance of all space-conditioning systems, which includes air handlers, outdoor condensing units of a split system air conditioner or heat pump, cooling or heating coil or furnace exchanger.

400 SW 152nd St, Suite 300  /  Burien, WA 98166  /  Ph: (206) 241-4647  /  Fax: (206) 248-5539
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