geothermal heat pump

2011 Proposed Increase in SEER – EER – AFUE – HSPF

This article is archived for future records. Please refer to DOE website for reference on current energy efficiency guidelines.   10 SEER units cannot be purchased in the US any longer. The new standard as mandated by the Department of Energy as of January 2006 is 13 SEER. This 30 percent increase in efficiency from […]

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