Recently I was told not to use SEER/EER ratings for heat-pumps of 8 TR capacity (or more) and to check when the rating can be used and not. I am unable to find any literature which suggests the limitation of using terms SEER and EER rating with capacity. Any insights on this topic?

Recently I was told not to use SEER/EER ratings for heat-pumps of 8 TR capacity (or more) and to check when the rating can be used and not. I am unable to find any literature which suggests the limitation of using terms SEER and EER rating with capacity. Any insights on this topic?

Recently I was told not to use SEER/EER ratings for heat-pumps of 8 TR capacity (or more) and to check when the rating can be used and not. I am unable to find any literature which suggests the limitation of using terms SEER and EER rating with capacity. Any insights on this topic?

Recently I was told not to use SEER/EER ratings for heat-pumps of 8 TR capacity (or more) and to check when the rating can be used and not. I am unable to find any literature which suggests the limitation relation of using terms SEER and EER rating with capacity. Any insights suggestions on this topic?topic.