Heat pumps, geothermal and AC
Heat Pump Efficiency explained - The definitive guide to SEER vs HSPF vs (S) COP Heat Pump Ratings
...SEER and EER (that few people mention any more). SCOP has still considered a very new methodology of measuring seasonal cooling and heating efficiency. As such, you will rarely find the SCOP ratio on older devices.
SEERs ratings for heat pumps
SEER regulations were first put into place in 1992 when President Bush signe...