16 vs 13 seer

[pr0230jr]

Im not sure were to post so Im just going to ask:

Im looking at a comfortmaker 16 seer compressor... there is also a 13 seer compressor. Both are single phase. So what makes a 13 seer become a 16seer?

There is also a 16 seer single phase vs a 16seer dual phase. I understand that the compressor runs a two speeds ( I think) hence the dual phase. The dual phase is about 500 bucks more... but both are rated 16 seer...

I would think one is more efficient that the other, so why are they both rated 16 seer???

[BaldLoonie]

Bigger coils is most of it. Also would need a high efficiency blower motor inside if you want the "16 SEER" unit to really get it. Usually if you put a high SEER outdoor unit on a standard blower motor you get around 14 SEER.

[second opinion]

Im not sure were to post so Im just going to ask:

Im looking at a comfortmaker 16 seer compressor... there is also a 13 seer compressor. Both are single phase. So what makes a 13 seer become a 16seer?

There is also a 16 seer single phase vs a 16seer dual phase. I understand that the compressor runs a two speeds ( I think) hence the dual phase. The dual phase is about 500 bucks more... but both are rated 16 seer...

I would think one is more efficient that the other, so why are they both rated 16 seer???

The compressor is a single speed, single phase and has an unloading plate in it, and does not vary its speed. The internal solenoid opens to bypass refrigerant from the scrolls or closes to allow 100% capacity.

[George2]

2-speed equipment only comes in 2, 3, 4 or 5 ton sizes. Don't make the mistake of installing too big of a unit.

Most A/C units installed are oversized to begin with.

[Chris_Worthington]

Moved to AOP