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Have a buddy who just asked me about heat exchanger repair on a Weatherking rooftop unit.
It is breached and needs repaired / replaced. He heard from the company that they are going to have...

Anything new on these? I've been in contact with Powermate for many months now, but can't bite on such an expensive hunk of equipment.

I'm a 1 man operation though, and I KNOW these things would...

Let me get this straight - the doctors placed his mortality likelyhood LOWER by having an open, obviously dirty, rough cut arm bleeding everywhere, while drinking boiler water for two days, than by...

Certainly colder than the house - but other than that - yeah, it could be 70, it could be 50, depending on the indoor temp, and a lot of other variables.

How about as a temporary thing - partially close the vents downstairs, and turn your fan to "on" instead of auto. It will constantly circulate the air, at least that should help until it gets fixed...

Doh!


My heating instructor, the first thing he said in the first class on troubleshooting
"MAKE SURE THE THERMOSTAT IS CALLING"

Yet, for some reason, everyone seems to at some point in time,...

I'm sorry, but this guy is an IDIOT.

From what I remember reading (and posting on my facebook rant), He started cutting his arm off after being stuck for 12 hours.
I mean, seriously? 12...

Ouch.
Someone needs to be fired.

Gotcha. I guess it's just more training, and surely, more training than I ever have even heard about before. No doubt more than anyone I've worked for before is aware of as well.

Infact, when I...

So then again, where is that threshold? Perhaps it's just something I have not been trained properly for, but what is the threshold that tells you an 18000 btu unit will not work on a 13000 btu...

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I put average construction quality, design temps 70 summer, 69 winter, 55% rh, heat pump.
Outdoor condition design at 95/11, 100 grains, medium swing.


It says just under 13,600btu sensible,...

So then what is the threshold for "too large" a system?
Obviously, if we have a 25,000btu need, a 1.5 ton system is too small. In theory, so is a 2 ton system during max load. At what point is it...

Oh, the system keeps temp in the house at any outdoor ambient. We did have humidity issues, again, to where I blocked off 1/2 of my filter. Now, we hit 50-55% easy.
And no, I did not...

I wonder how often it is used, and really, what is the major necessity. I know it makes it "better", but really?

I had a few posts a while back, saying how I had blocked off half my 20x20 filter...

Exactly. Everyone can say "It was a little low on freon last year" and so they figure they are making sure you know what to do....

Most schools.

If not, they wouldn't use HVAC/R as the "fallback" course, in case a student can't hack it in something else, they should then check out hvac.

It's not a statement that has ever...

I think a lot of it is just a lack of good candidates.
Anyone can be trained properly, but are they a good candidate?

I graduated from YTI in York, PA.

Well, I recently found out that they are...

Correct, I have not been to the house yet.

I again, did tell them not to run it, but I was pretty much told that is probably not going to happen.
Unless it was an absolute safety hazard, I...

How am I to do that!? I did tell them to not use it....


I did get the model, serial, and mfg, and approximate diameter of the blade, and blade angle. But yeah, United should be able to...

I just had a customer call me, their AC isn't working.
OK, not a big deal, I can fix it!

Well if it survives.

They said that one of the two fan blades broke off, so they duct taped it on. ...

So now, would it be a bad idea to use the green Kleen Coil stuff, which is for evaps on an outdoor unit? I am not talking about paint removal and such, as more than likely, especially with what I...

Probably not even necessary, but I know we can get a lot of mud and junk buildup on the coil if the homeowner is careless (which some are more of rather than less) combine that with spider webs,...

I guess when you feel like you get screwed by contractors left and right, it's hard to imagine otherwise. So, it's a shame, but a shame on which end though?

What is everyone's favorite pick for coil cleaners?

Concentrate? Foamy no rinse? Evaporator specific? Condenser specific?


I purchased some of the green concentrated Kleen Coil from United...