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· HVAC / Plumbing
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1,801 Posts
Guess not.. I've seen installers around here change out a R22 system with R410 system & not even do a line flush......I just don't understand why they do this:no:.......doesn't take that long to do a flush
 

· HVAC / Plumbing
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1,801 Posts
No I didn't... For some reason I haven't recieved that news letter in a while. I'am going to see if I can find an old letter with a ph # on it & call... Do you happen to have a news letter handy so I can contact them ??? While I know it's impossible ( in some) cases to get it all out & you will never know if you did ( unless you replace the line set) . I will do a flush on the system & give it my best shot if I intend to use the old line set
 

· Banned
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It's a trade publication, not a new letter. Can't remember when it was published. Your post just sparked the memory of it.

That isn't to say you don't have to flush a line set, but if there is just a smidgen of mineral oil left it won't kill the system.

I can PM you the number if you want to subscribe to the paper. it comes several times a month with a lot of good stuff.

I gotta dig up the number in my phone book. I'll get it to you later today.
 

· In Loving Memory
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42,671 Posts
I think the new standard is less then 4% MO now.


OP.

You might want to see what the SEER rating of each unit is with a standard furnace.

Why buy a high SEER unit, that needs a VS blower to get that SEER, if you don't have a VS blower.
 

· In Loving Memory
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Something in the 14 SEER range.

You'll be able to get 14 SEER with a non VS blower.

I think the only non VS blower set up, that gets 15 SEER from Trane.
Requires the X13 blower motor.

Which you don't have either.

Are you looking at the TAX credits.
 

· Registered
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15 Posts
Discussion Starter · #14 ·
Yes. I am interested in getting the tax credits.

Also. Is it possible to retrofit the Trane XE90 with a VS fan?


Something in the 14 SEER range.

You'll be able to get 14 SEER with a non VS blower.

I think the only non VS blower set up, that gets 15 SEER from Trane.
Requires the X13 blower motor.

Which you don't have either.

Are you looking at the TAX credits.
 

· In Loving Memory
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42,671 Posts
Yes it is.

But you may not get the tax credit.

Must meet min SEER and EER requirements. That you probaly won't reach.

Did you tell these contractors, that you wat a system that will get you the tax credit?
 

· Registered
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15 Posts
Discussion Starter · #16 ·
The Bryant guy was the only one to mention the tax credit. How do the determine whether or not you qualify for the credit? Isn't it just based on the SEER rating of the unit purchased?


Yes it is.

But you may not get the tax credit.

Must meet min SEER and EER requirements. That you probaly won't reach.

Did you tell these contractors, that you wat a system that will get you the tax credit?
 

· Banned
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yeah it is. But you can't retro the old furnace with a VS and get the credit. IRS tax forms are required that must state the model of the furnace and it must be installed in 2009 to qualify.

You follow ? I can expand if you prefer. IRS rules can be hard to get sometimes.
 

· Hvac Pro
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25,160 Posts
Make sure you are aware of the physical size and footprint of both units. The higher the SEER the larger they are and don't always fit where the old one was. Each co. has different ways of sizing them (vertical and horz). As a rule of thumb an ECM VS motor adds 1 SEER to any unit.
 
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