Sweaty R 22 Refrigerant lines

[C.H.A.D.S]

Is it true that the suction line should be sweaty on a hot humid day?

[John Culpepper]

Yep.

[C.H.A.D.S]

If they are not sweaty and you are properly charged according to the chart on a hot summer day and the system seems to be not cooling would you charge until the ones get sweaty to compensate for the bad ductwork?


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[John Culpepper]

Nope. Fix your ductwork.

[C.H.A.D.S]

Yeah that's what I told the homeowner which didn't go to well. So I had to walk away from the job. I guess I did the right thing


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[beenthere]

If they are not sweaty and you are properly charged according to the chart on a hot summer day and the system seems to be not cooling would you charge until the ones get sweaty to compensate for the bad ductwork?


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Yeah that's what I told the homeowner which didn't go to well. So I had to walk away from the job. I guess I did the right thing


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How would bad/poor duct work cause the vapor line not to sweat?

[Dr Love]

Yeah that's what I told the homeowner which didn't go to well. So I had to walk away from the job. I guess I did the right thing


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What about SH & SC? Gauge Pressures?

[pecmsg]

How would bad/poor duct work cause the vapor line not to sweat?

X-2

[HeatenCoolair]

Is it true that the suction line should be sweaty on a hot humid day?

Are you really a tech?

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[craig1]

How would bad/poor duct work cause the vapor line not to sweat?

If your return is sucking in 130 degree attic air the suction pressure will be so high that the saturated temp will be above the ambiant dew point.

[beenthere]

If your return is sucking in 130 degree attic air the suction pressure will be so high that the saturated temp will be above the ambiant dew point.

That would be a broken return.

[C.H.A.D.S]

Why would you say that? I was just getting others opinions is it bad to do that? If so I feel sorry for your company!!


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[humpey20]

I have pushed the charge until it sweats.

[QualityAssure]

That would be a broken return.

Plus 1 on Broken Return ..

[jmac00]

If your return is sucking in 130 degree attic air the suction pressure will be so high that the saturated temp will be above the ambiant dew point.

LOL all our duct work is in a basement, generally, a nice cool basement, with lots of room to walk around in.

[QualityAssure]

Sounds like My Basement ..

I Hate Florida - Burn Outs !

Too Much Sun !

[HVAC_Marc]

Sounds like My Basement ..

I Hate Florida - Burn Outs !

Too Much Sun !

You sure it's not electrically related?

[QualityAssure]

You sure it's not electrically related?

Brraaa Haaaa LOL

Probably a Brick Home and Another one drilled through the Lower Membrane that Collects all the Water in the Brick Wall
to Wick it away . . .

We All know No one does that , Right -- Aaahhh _ LOL

[Answer-Man]

CHADS
You asked a simple, non-technical question with the only qualifier being Hot & Humid. This is the types of question that needs temeratures, pressures, SH, SC, etc.. . If all things are working properly, yes, the suction line temperature on a hot & humid day should be below the dew point virtually every time. If it is not most of the causes for a dry suction line are caused by a deficiency in the system