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Standard ducted systems are easier to service and maintain as a general rule. Just get it done right the first time no matter the system!

Have you considered one of the high velocity systems? Very...

whatever you use to seal the flashing to the pipe WILL fail due to repeated expansion/contraction in the longitudinal axis. If sealant is used it should be on the collar,

#1.. 5000 is a great filter at MERV16 with low static. I have 2 of them 10+ years old
now

Welder's name "Napoleon Blownapart?"

In my years teaching, I had several females enroll but only one finished the course. And she decided to go to the IBEW rather than work as an HVAC tech.

VS will generally be quieter. Most spool up slowly rather than just "bang" on.

If you do go with this option, please do yourself a favor and also install a surge protector.

Something like this perhaps?

https://www.amazon.com/Neoprene-Sponge-Multi-Function-Soundproof-Conditioner/dp/B0B5TMHR26/ref=sr_1_27?keywords=self+adhesive+foam&qid=1686158604&sr=8-27

Self insure! Take the $$ you'd pay the ins company and put it in a fund set aside for repairs and every month or year add to it. When you get to 10k you'll be in good shape to replace equipment when...

You can use the gas boiler for secondary heat on two systems but I'd heartily recommend separate heat pumps for each floor. You will be much happier for it!

If load is not too great, you can get a...

....and whichever system, install a surge protector! New systems are all controlled by fancy boards that cost a plenty.

Assume by the username that you are a Red Dwarf fan?

https://www.achrnews.com/articles/144709-a-guide-to-low-gwp-refrigerants

Honeywell
Honeywell Refrigerant.

PHASE DOWN: The HVACR industry is undergoing another transition as new regulations are...

Considering that all the contactors come from the same plant in China.....

All of McManus' book are great. My favorite story is the poached deer in the back seat with a hat on his head for "camouflage" that soon woke up and all he-- broke loose.

Kids these days have NO...

Spacepack has air to water heat pumps and individual hydronic console and wall mount hydronic air handlers. Pre insulated twin tube pex is also available for direct burial to connect the various...

No direct experience with Bosch, but enamored with their technology.

Whatever system you choose, make sure that the installer also installs a surge protector! Cheap insurance compared to a board...

in short NO. Expensive to buy, operate and repair...

Rotary compressor and a TXV? Not too sure this is compatible..

Looks sketchy and a bit amateurish. First curb drop or speed bump and it is trash. Same as for any road debris the van runs over. And cleaning the condenser coil would be nightmarish.

Why not...

Output is related to the corresponding outdoor unit that is specified with each indoor unit.

I guess the question is, what is the BTU demand for the space conditioned? Did your contractor do a...

My favorite item? The leveling feet on the equipment! Nice stuff....

One plus for the hydronic over air con is that if you have high humidity in the home, you can set your system up for dehumidification, which the Unico will do well and then reheat/tempering as needed.

One or two years ago? That cap is oozing and the corrosion looks like it is still the OEM...

New cap, new terminals as well....

Somebody out there have on sitting on the shelf you'd part with?

Traulsen 325-60080-00, 134a externally equalized, sweat in.

Nonobtainium from OEM.

Closest I seem to come is a FBJE-1/8-C but...

This: DesJarlais says he’s been calling American Home Shield and the air conditioning repair company to complain about the wrong unit being installed but says he got nowhere. That’s when he says his...

Whoda thunk it!

My 1950 "shoebox" ford flathead V8 had a bypass type canister filter. Factory install. Might have been an option. I know the heater was and mine did not have one!

Don't know about your gas valve, but some of them have what looks like a cotton filter in them. Don't think most of em are replaceable.

I like the idea of hooking up a new pilot assy outside the...

I do oil and filter changes at 5k, sometimes get to 7k. I use Synthetic and Baldwin filters. I figure that oil is cheap compared to the expense of repairing/replacing the engine. Found out that the...

Check for frayed/broken wire where it goes through the pivot point.

Does the amber light come on when it is lighting and then go out when it lights off?

Should not be dangerous as long as the tanks are not kept where they can get wet and rust out.

Might call around to a few local contractors to see if they want to take them off your hands. Lots of...

Very least they coulda done is blue tape both ends of the leads, eh?

Our old Vulcan steamer's boiler is rotting out and I want to know if any of your food service guys have a favorite make/model for using/servicing.

I see Groen has a "boilerless" steamer that...

Single pipe or two pipe??

One thing a 2 stage will offer is much longer run times which will help the 2 story issue. Plus size the new furnace as low as you can based on a bonified heat loss as this too will extend the run...

Lawyers!

Is the outdoor wood furnace air or water ("boiler") for HX?

And, is the coil for A/C or HP?

....or replace well pump with a "tankless" modulating/variable pressure pump. Motor ramps up and down as needed to maintain a steady pressure within its flow rating curve. Cool technology!

Capitalism is not the problem! The problem is that large companies that are securely established promote, or are complicit in more regulations, licensing, rules, fees and taxes that are intended to...

Hard start installer says "run whatch brung" I bet.

That brown "disc" across the coil is a capacitor unless I am mistaken. Those would not be on a thermopile system and only used on a 24VDC or 120VAC control. I'd guess 24VDC as the wiring is not...

ERV not HRV? In any case, the supply air to the home from the ERV will want vapor barrier and insulation to prevent condensation of moisture and staining of the drywall finish. Same for the intake...

Exposed intake probably will work ok. Not exhaust due to condensation/freezing.

The flex aluminum stuff would probably work in the basement, but I'd still tend to insulate/vapor barrier it, again...

Might want to look for a job with a HVAC/R wholesaler. Can learn a lot by doing so with the right company.

Replacing the evap fan motor on a mini is a frustrating, time consuming chore. And finding one can be troublesome. Took 6 weeks to get a replacement! Wholesaler said he could get a new head next day,...

....and as I said, you are like the blind wise men describing the elephant by feel. There IS a bigger picture you know. One from a more distant perspective rather than standing under the elephant's...

Y'all remind me of the blind wise men and the elephant. Remember that story?

Jest for giggles, the casino goes through 6-700 lbs of CO2 per week for carbonation of soft drinks. Multiply by the gazillion soft drinks served every day and somehow, Refrigeration sources seem...

If vent is over 15' I upsize the vent pipe.

My peeve is seeing a mile of plastic slinky duct with lots of sags....

Not sure if your jurisdiction allows, but sewer pipe works really sweet....

Try rubber feet under the unit. I believe they come with 'em.

I have never seen a HV system with zones.

They are extremely picky about air flow unless this is a system designed for it with a variable speed blower, but odds are it is a bare bones builder...