On 21/10/2019 20:50, A noiseless patient Spider wrote:
On 10/21/2019 3:20 PM, Commander Kinsey wrote:
Why can't I find a heat pump with a good SEER rating? The USA has a
law stating 13 minimum. Yet here in the UK, I looked at Panasonic and
they're all 7 to 11!


It's because we use 120/240 volt 60 Hz two-phase.* Your single-phase 50
Hz is less efficient.

https://www.energystar.gov/products/...rce_heat_pumps



Doesn't it also depend on if it's been optimised for air conditioning to
cool air in the summer rather than being optimised for heating during
the winter in climates such as the UK?

Consider also it appears from many of the examples I've seen honesty
doesn't seem to be part of USA advertising.

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