http://brunswickwinair.net Wholesale Heating and Air Conditioning Mon, 06 Oct 2008 14:32:11 +0000 http://backend.userland.com/rss092 en The US Government has established 13 SEER as the new minimum efficiency for 3-Phase Small Package Products (SPP) and split systems under 65,000 BTU/hr. Effective June 16, 2008, only products rated 13 SEER or higher may be manufactured for sale in the USA. (Canada adopted this minimum for 3-phase products ... http://brunswickwinair.net/3-phase-units-below-65000-btu/