if an A/C is low on freon, does it use more energy or not?

obviously it doesn;t get as cold, so it has to run longer

but is the power demand the same, or less?

is the total energy used the same, or less, or more?

wle.

wle wrote:
if an A/C is low on freon, does it use more energy or not?

obviously it doesn;t get as cold, so it has to run longer

but is the power demand the same, or less?

is the total energy used the same, or less, or more?

More because efficiency drops.

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On May 30, 12:35*pm, dpb wrote:
wle wrote:
if an A/C is low on freon, does it use more energy or not?

obviously it doesn;t get as cold, so it has to run longer

but is the power demand the same, or less?

is the total energy used the same, or less, or more?

More because efficiency drops.

--
oh
good answer
i asked on 'yahoo answers' and i got every answer possible
more, less, the same

wle

On May 30, 12:34*pm, wle wrote:
if an A/C is low on freon, does it use more energy or not?

obviously it doesn;t get as cold, so it has to run longer

but is the power demand the same, or less?

is the total energy used the same, or less, or more?

wle.

From what I remember, I had my CAC charged with freon a few years ago
while an Amprobe was hooked up to the compressor, and I remeber seeing
the current draw go up slighty as the freon was being pumped in,
probably due to the added pressure from the freon the compressor had
to push.

oh wait
this makes it sound like it could be using less power..
wle.


---------- Forwarded message ----------
From: Mikepier
Date: May 30, 12:39 pm
Subject: if an A/C is low on freon, does it use more energy or not?
To: alt.home.repair


On May 30, 12:34 pm, wle wrote:

if an A/C is low on freon, does it use more energy or not?

obviously it doesn;t get as cold, so it has to run longer

but is the power demand the same, or less?

is the total energy used the same, or less, or more?

wle.

From what I remember, I had my CAC charged with freon a few years ago
while an Amprobe was hooked up to the compressor, and I remeber seeing
the current draw go up slighty as the freon was being pumped in,
probably due to the added pressure from the freon the compressor had
to push.

wle wrote:
oh wait
this makes it sound like it could be using less power..
....

But the efficiency isn't as good...don't you think if the overall
efficiency were better the manufacturer would design it to run there?

--

In article , says...

wle wrote:
oh wait
this makes it sound like it could be using less power..
...

But the efficiency isn't as good...don't you think if the overall
efficiency were better the manufacturer would design it to run there?


No, because when it is slightly undercharged, the suction pressure is less,
lowering the temperature at the evaporator. It runs quite cold for a while,
then ices over. It needs to run with the evaporator at the design temperature.

--
Dennis

DT wrote:
In article , says...
wle wrote:
oh wait
this makes it sound like it could be using less power..
...

But the efficiency isn't as good...don't you think if the overall
efficiency were better the manufacturer would design it to run there?


No, because when it is slightly undercharged, the suction pressure is less,
lowering the temperature at the evaporator. It runs quite cold for a while,
then ices over. It needs to run with the evaporator at the design temperature.

That's what I was alluding to...

--