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HVAC Ratings: SEER for 8 TR and more heat pumps?

asked 2017-03-05 11:33:41 -0600

rkbest
1392 ●1 ●4 ●13

updated 2017-04-27 08:27:54 -0600

__AmirRoth__

4436 ●5 ●17 http://bleedinggreenna...

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?

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answered 2017-03-06 12:13:47 -0600

ericringold

10637 ●32 ●8 https://www.nrel.gov/b...

AHRI Standard 210/240 uses SEER as the performance rating metric for air-cooled heat pumps up to 65,000 Btu/h (~5.4 tons).

AHRI Standard 340/360 uses EER as the (full-load) performance rating metric for air-cooled heat pumps up to 250,000 Btu/h (~20 tons).

EER is also used for water-source heat pump cooling efficiency as defined in ISO 13256-1 and 13256-2.

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Asked: 2017-03-05 11:33:41 -0600

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Last updated: Mar 06 '17

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HVAC Ratings: SEER for 8 TR and more heat pumps? edit