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Soon you'll be able to check out all the different revisions trane has done just by walking around that roof! I've had this problem with tranes before, I have a RTAC that i can walk across and see...

We get 150 for the week with just 1.5x for everything after hours or weekend. We do primarily heavy commercial with some light commercial. IMO it should be more, its not the worst around our area but...

A chiller and cooling tower could be installed in a building as one system. The chiller being your mechanical cooling and the cooling tower would be its source of cooling for the condenser. It could...

Sadly I have seen worse, trane rtac with one whole section completly blocked top to bottom, side to side.

haha ive been there before myself i know your pain!

Oh man thats crappy. Thanks for the info though thats definitely a big negative.

I agree with him and it most likely wont be that expensive of a job and it will all be size correctly etc.

Make sense guys thanks. Everything is pretty well sealed up hvac wise and as far as i can get now untill i can swing new windows. No big issues with them other than the one guy though. Thats good to...

Thanks I was in the supply house yesterday and they had one out so I just grabbed the ligature on it and it said that was for up to 2000 square feet? Luckily i can hit this thing within 5 feet of the...

I was wondering if anyone has had experience installing any of these and what there opinions were of them. I do mostly industrial work so I haven't run across one and I'm looking at one for my own...

I've been in the almost exact same boat, I always advise against them. Also had one locked up from the get go... not sure how that happens with "quality assurance".

Replace it!!! heat exchangers are cheap money compared to what will happen if you dont replace it. You or your customer should know this.

Sounds like a typical office building. Is mechanical cooling actually coming on or is it economizing?

Wouldnt that be when the blower shuts off or turns on? Could be pipeing connections up against something/solidly mounted. As far as the txv it is not going to produce the noise itself they dont move...

What he said, if there is a new noise call them back. That shouldnt be your problem. And there is shoudnt be any noise in the pipes other than the sound of gas flowing, if you had a hammer like that...

Because the point of pulling a deep vacuum is to remove moister and non condensible's (air etc.) and if you don't go that low (mind you it should go that low and hold it with the pump off) then you...

Theres no way that was 50 microns... if it was i want to know what that tech was using! It took me a week to get 90 on a system once and the vac pump was hard piped in with copper and flare nuts!

A 35 degree diffrence if im readin that correctly is huge! Unless there are outside air dampers/fans (which i have seen before on older systems) which dump into the plenum. If that isnt the case it...

Id personaly say in your case just use a good nitrogen flush and pull a good deep vacuum. That being said I have used rx11 flush many times in situations where i KNOW not using it would have been the...

I can match the 8 day vacuum pull, 4 APC in row rack coolers with 165 ft line sets installed in the dead of winter some with no caps on the tubing and the pipe was left out in the snow prior to being...