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Does Carrier use the Sanhua reversing valve? Look for leaks on the reversing valve, where the copper connects to the brass, they are subject to harmonic frequencies which cause the factory joints too...

I use Adtek, I like but it is not the one everyone uses. There is also Cool Calc, web based and you only pay for the reports you print.
All software is only as good as the training you get on it. So...

I always thought, if subletting, that part of the house has to have its own, separate hvac system.

Houses are always more comfortable and easier to maintain with dedicated systems for each level...

not enough filters, they need more to catch all that dirt! I hope you offered to "seal" the plenum correctly.

Apply anyway. We all want the best, but will settle for the best of those that apply. Improve your interview skills and study the company. Be prepared to ask questions as well, and not about the pay...

if using for submittting the data, then no, it does not meet the accuracy standards of the balancing industry

Yes, with spray foam homes that are super tight, you will need a whole house dehumidifier to remove moisture from the home. The whole house dehumidifier should bring in outside air (fresh air) to...

Every mini split uses rotary compressor. Every refrigerator uses rotary compressor. Heck even Mazdas has a rotary engine.

The quality of the installation is the determining factor in residential...

Alliance vs Copeland is like asking Silverado vs Sierra. Same thing, same plant, different badging. Copelands "agreement" was basically to get Trane and Lennox to pay for the plant in Arkansas....

so the magnehelic is a permanent install?

I can only speak to what local customs are around here. If you did not purchase a separate labor warranty, then the labor is not typically covered. My 1 yr warranty is for things I am directly...

I mention that so customers have the whole story. If the system installed matches the load calculation, then it should achieve comfort. Many times the Install is the difference between comfort and a...

Variable vs 2 stage is a question of ROI. How long do you intend to live in that house?

for example, a 14 seer vs 15 seer is only a 10 dollar savings per year, but that higher seer comes with a...

you said it had pin hole leaks, but here you say you need to remove pipes? If the pin hole leak cant be properly brazed, then you leak-seal will leak out.......it will not fix a hole in a pipe that...

If you do find a difficult question, the ask on this forum. I hope you understand the reasons we have given you. There is a lot of knowledge on this forum, and I am glad that you want to better your...

I haven't read the whole thing, but I would say replace the rated mobile home unit to a traditional gas, downflow unit.
Since you removed the duct that unit is designed to work with.
oh and avoid...

Even if we had the answers, it is illegal (copyright violation) to share those files on a public forum.

forget the Modern book, I prefer the Fundamentals of HVACR by Carter Stanfield, and i also...

Bet this guy ended up on Bluon app forum of that other​ hvac forum..

Mostly my job was to teach others to do my job. And yes, luckily the only "incidents" were 1 oily rag fire (To this day I still think that was intentionally set by the section chief) and 2 electrical...

Military does not fix lazy, sorry. I was Navy, 4 years. Hindsight being 20/20, I would do it again, maybe pick a different job
(i was a Damage Controlman , basically a shipboard firefighter) I was...

Is the rippling really that bad a thing?

That bulb location would worry me. I would want it further away from the manifold

This will be a display. A good piece of our history for the hideout/man cave/ shop.

Not likely, but errors occur from factory braze joints as well. Could be moisture freezing and traveling to through the system. Be sure they replace the liquid line filter drier as well.

Wow, I do not think I will ever understand programming.....you guys are amazing who can do that as a hobby.....

Move ON. I am tried of seeing guys think they have to be loyal to a company. Obviously they are not loyal to YOU. At 7 years with management responsibilities, move to a bigger city and set your wage....

I've had coil distributors on fixed orifice systems, plug up with "solder balls".
I have seen restricted coils, usually from the factory. I have seen coils mis-circuited, that had a dead circuit due...

I use the Uniweld, it does up 1 1/8" pipe, at the time I needed that, now not so much.

Hilmor is owned by Rubber Maid. I haven't given their tools much thought, but we got some for the school and...

Do you have channel name or link?

So what happened to the screw extractor? Does no one use those anymore? Am I really that old?

Now for some real talk: BY altering the board you have changed the UL certification of the board and...

I put air in the bottle and it holds. The hose on the other hand leaks through the depressor, I did not try to tighten it, but that is not a big deal for me, I don't plan on using this that much,...

I don't want to take a wire wheel to it, I want to leave it as is, probably apply a coat of clear sealer to preserve as is. I still have to check if it will hold pressure, if it does I will use it as...

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When I demolished an old building on my property, found this gem, it has been converted to hold compressed air.
Can any of you date this bottle? There are no other markings...

He wants to use a micron gauge. I think some of you guys misread what he is asking.
Bobby, if you can make the mechanical connections, I dont see why it would not work. That vacuum pump looks like a...

I dont see why not. it is just plumbing after all. Are the fittings available to make the connections?

good thing you know how to read the schematic

never seen that, is it for velocity?

they had an install crew, and then a separate duct crew...

I did say "around here" that duct system will be flex or duct board. Very little new construction uses sheet metal in residential, in THIS market.

A proper crew is 4 guys for the equipment, while...

https://cdn11.bigcommerce.com/s-4dj7xx7c6e/images/stencil/277x370/products/6871/87008/Theforce__78427.1672171936.jpg?c=1 I do mostly residential, and this puller is IMO the best, as it will not bend ...

post a link to the amazon page...

Around here, that install done right by a proper crew, who knows what they are doing, 4 hours. 6 to 8 if they duct is new. Most good crews with proper training and good industry practices, can do a...

It does remind of a jewelers torch

So good for a quick repair or a bust?
I know it's not new tech, but wanted to know does it have value? It is much lighter, but only about 20 minutes per oxygen bottle.....

https://www.ambrocontrols.com/

Saw this at the supply house and wondering how it last.

Not bad, with a proper setup plenty of time, for us in residential.

how long does the battery last on the Navac?

https://www.amazon.com/Slick-Locks-Hockey-Spinners-Covers/dp/B07S64F3Z5/ref=sr_1_2_mod_primary_new?gclid=EAIaIQobChMIpe3j0L2T_QIViBJMCh1kAAUpEAAYAyAAEgK8hvD_BwE&hvadid=410037689492&hvdev=c&hvlocphy=90...

Ask your Senator, this will be debated in Congress this term. They have been pushing it for at least 4 years that I know of. Claim it is a disservice to the customer by forcing them to do electric...

Which Code?
I know it has been discussed but hadn't seen it implemented.
Logic is HP is more efficient than strip heat only. And they are right.

But i see you are in Plano, use gas.