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Estimator didn't do a load calculation, just looked at size of existing unit

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Estimator didn't do a load calculation, just looked at size of existing unit RAJ 06-12-2006
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Posted by RAJ on June 12, 2006, 9:47 pm
I lived there only 2 years (out of the 15). I'm not absolutely sure if
the current performance is adequate. I tend to keep the thermostat set
rather high, so it feels humid.

Edwin Pawlowski wrote:
> > He just asked me if the existing system cooled properly. Is this
> > acceptable?
> > How would a different sized system effect the existing ductwork though?
> >
>
> Maybe. How well does it perform? To hot at times, too muggy at times?
>
> By different, do you mean smaller or larger? Are you changing just coils
> and condenser or changing the air handler also?
>
> Unless you are absolutely sure it performs well as is, I'd try another
> dealer and get the calculation done.


Posted by Chris Hill on June 13, 2006, 12:59 pm

>He just asked me if the existing system cooled properly. Is this
>acceptable?
>How would a different sized system effect the existing ductwork though?

If you bought a higher efficiency system, you may need larger ducts
because I believe they need to push more air. That's what I've read
anyway. Don't feel bad, last time I had mine replaced I called three
people and none did a load calc. Next time I think I'll offer to pay
for the estimate if they'll do one and show their work.

Posted by RAJ on June 13, 2006, 1:21 pm
I guess the best way is to just get the estimat first, then say you'll
sign it only if they do the load calculation. The estimate will
probably be overpriced anyway, so might as well get something extra out
of it.

Chris Hill wrote:
>
> >He just asked me if the existing system cooled properly. Is this
> >acceptable?
> >How would a different sized system effect the existing ductwork though?
>
> If you bought a higher efficiency system, you may need larger ducts
> because I believe they need to push more air. That's what I've read
> anyway. Don't feel bad, last time I had mine replaced I called three
> people and none did a load calc. Next time I think I'll offer to pay
> for the estimate if they'll do one and show their work.


Posted by aka-SBM on June 13, 2006, 11:08 pm

>I guess the best way is to just get the estimat first, then say you'll
> sign it only if they do the load calculation. The estimate will
> probably be overpriced anyway, so might as well get something extra out
> of it.
>

If you are getting ESTIMATES, you are getting screwed anyway.
Dont allow anyone that cant QUOTE you to the penny the job. Estimate is a
nice way of saying, its gonna be in this ballpark, and fuck that.

> Chris Hill wrote:
>>
>> >He just asked me if the existing system cooled properly. Is this
>> >acceptable?
>> >How would a different sized system effect the existing ductwork though?
>>
>> If you bought a higher efficiency system, you may need larger ducts
>> because I believe they need to push more air. That's what I've read
>> anyway. Don't feel bad, last time I had mine replaced I called three
>> people and none did a load calc. Next time I think I'll offer to pay
>> for the estimate if they'll do one and show their work.
>



Posted by RAJ on June 14, 2006, 5:19 pm
I guess I meant to say "quote". The next contractor coming out is
supposedly going to do the complete calculation for free and tell me
the result. He said they won't actually show you the calculations
though unless you sign the contract and go with them. Makes senses I
guess.

aka-SBM wrote:
> >I guess the best way is to just get the estimat first, then say you'll
> > sign it only if they do the load calculation. The estimate will
> > probably be overpriced anyway, so might as well get something extra out
> > of it.
> >
>
> If you are getting ESTIMATES, you are getting screwed anyway.
> Dont allow anyone that cant QUOTE you to the penny the job. Estimate is a
> nice way of saying, its gonna be in this ballpark, and fuck that.
>
> > Chris Hill wrote:
> >>
> >> >He just asked me if the existing system cooled properly. Is this
> >> >acceptable?
> >> >How would a different sized system effect the existing ductwork though?
> >>
> >> If you bought a higher efficiency system, you may need larger ducts
> >> because I believe they need to push more air. That's what I've read
> >> anyway. Don't feel bad, last time I had mine replaced I called three
> >> people and none did a load calc. Next time I think I'll offer to pay
> >> for the estimate if they'll do one and show their work.
> >


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