boyz

I assume the Trane is a 5 ton unit as well. so here are the numbers on each system.

3936532 Active Systems XR15 WEATHERTRON TRANE 4TWR5061E1 4TEE3C10A1 58000 12.50 15.00 54000 8.50 35000

3496011 Active Systems PERFORMANCE 16 PURON HP CARRIER AIR CONDITIONING 25HPA660A30 FV4CNB006 56500 12.60 16.00 59000 9.50 36600

The Carrier has better efficiency numbers, especially in heating which means little because of your location.

price includes new lineset? it should.

You have been quoted the wrong thermostat on both systems.

with the Trane, you have their relatively new communicating air handler. It must have the XL900 thermostat to take advantage of the air handler's capability.

with the Carrier system, you want the Carrier thermidistat for best humidity control.

I would not buy either system without these changes.

dblcheck the warranty on each system. either should do a good job and I suppose price and dealer confidence to be the deciding factors.

what size heat strip was quoted?

IMO

Tiger, I was recently informed by another pro over at hvac-talk that with heat pumps, the communicating air handler can only be run in a standard 24v mode, which means no communicating features with the 900 tstat. I'd look into this.

The 4TWR5061E1 may be a 2-stage unit as well. I can't find any info on it, but I read that Trane is going to update the 5 ton unit in the XR15 line to be a 2-stage unit.

ryan

I appreciate the update. I suppose my question to you would be what's the point of this new air handler then with or without the XL900 stat. It was my understanding that this was a matched pair. Kind of like purchasing a nice Infinity furnace without the Infinity controller. don't you lose some capability?

IMO

Tiger,

That was exactly my question. I wonder if Trane is going to make the communicating air handlers the new standard model. Here's where I got this info below. Take a look at post number 10 and below.

Here is a link that might be useful: http://hvac-talk.com/vbb/showthread.php?p=7062352

Ryan

I did see that thread. I think I would want to see confirmation of that last post. my question again would be what's the point of the communicating air handler.

something I am missing here. I hope this is not more of Trane nonsense, ie more marketing than beef/improvement.

TD

Tigerdunes,
Heat strip is 10k

why is it necessary for a new lineset vs purging the existing copper lines?

IMHO: sizing of the lines. And cleanliness.

boyznme

correct size of lineset is key. then check condition of linset. I am not opposed to flushing linesets for a new system if size is correct(not close), condition of lineset is inspected, and correct flushing technique is performed.

but I always prefer new lineset.

IMO