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Old 01-24-2011, 11:41 AM   #1
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Advice on furnace humidifier


Hi all, looks like my current furnace humidifier has just died. It was of the foam roller type. So now I'm in the market for a new one and I'm curious which types/models/manufacturers people think are the best. I'm in Toronto and the house is about 2000 sq ft. Not sure how leaky it is..

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Old 01-24-2011, 12:20 PM   #2
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Advice on furnace humidifier


Skuttle 2000

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Old 01-24-2011, 12:59 PM   #3
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Advice on furnace humidifier


pic of a skuttle 2000 with manual humidistat:


2000 with manual humidistat and a bypass 12.5 gal/day at 110 degrees
2100 with auto humidistat and a bypass 12.5 gal/day at 110 degrees
2001 with manual humidistat and a bypass 16.5 gal/day at 110 degrees
2101 with auto humidistat and a bypass 16.5 gal/day at 110 degrees
2002 with manual humidistat and fan
2102 with auto humidistat and fan

http://www.skuttle.com/literature.html
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Old 01-24-2011, 03:05 PM   #4
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Originally Posted by diyorpay View Post
pic of a skuttle 2000 with manual humidistat:


2000 with manual humidistat and a bypass 12.5 gal/day at 110 degrees
2100 with auto humidistat and a bypass 12.5 gal/day at 110 degrees
2001 with manual humidistat and a bypass 16.5 gal/day at 110 degrees
2101 with auto humidistat and a bypass 16.5 gal/day at 110 degrees
2002 with manual humidistat and fan
2102 with auto humidistat and fan

http://www.skuttle.com/literature.html
Hey Diyorpay, Is that the supply air or the cold air you mounted the humidifier?

Looks like the supply side (hot air supply) because there is a trunk transition from the supply side plenum.

If that is the case you got the humidistat in 'da wrong place ,bro!
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Old 01-25-2011, 08:49 AM   #5
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Advice on furnace humidifier


It's not my unit. It belongs to a friend in Utica NY. He wanted me to get the Skuttle. I believe it was professionally installed. I will let him know. I believe he throttles the water input with a valve so he probably doesn't adjust the humidistat ever.

I'm sticking with older reservoir and rotating discs (Adams Humidaire) which I drain every week, for health reasons. Mostly because there's no floor drain, just a pump for condensate.
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Old 01-25-2011, 11:56 AM   #6
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Dot' think throttling the water does any good.
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Old 02-04-2011, 03:07 PM   #7
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Don't choose the By-Pass Flow-Through type. They only generate moist air when the furnace heat kicks in. I have a Honeywell HE225 By-Pass newly installed but my house humidifier can never exceed 26%. Talked to the installer, Home Star Heating, the salesperson give me only one choice: to install a new one with motor which may cost me over $1000-. I email Honeywell several times, even Honeywell cannot solve my problem but refer me back to their dealer. Now I have to have a portable humidifier in my bedroom. Very frustrated.
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Old 02-04-2011, 10:45 PM   #8
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Quote:
Originally Posted by diyorpay View Post
It's not my unit. It belongs to a friend in Utica NY. He wanted me to get the Skuttle. I believe it was professionally installed. I will let him know. I believe he throttles the water input with a valve so he probably doesn't adjust the humidistat ever.

I'm sticking with older reservoir and rotating discs (Adams Humidaire) which I drain every week, for health reasons. Mostly because there's no floor drain, just a pump for condensate.
A good humidifier should not have to be serviced every week as you point out. You might as well put a pan of water over your registers like they did back in the days of gravity furnaces.

As far as throttling the water with the valve spigot, you gain nothing, The orifice in the solenoid water valve will only meter a certain amount of water
equal to its rated output.

Close the the supply valve too low and the water will slow to a drip which would do nothing to remediate a bone dry home.
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Old 02-04-2011, 11:28 PM   #9
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Advice on furnace humidifier


Funny, I JUST finished installing a Desert Spring unit. Fairly decent so far. It is a rotating disc unit, but there is no foam pad or other material that can go bad, just plastic. I will most likely have to rinse it out every now and then and drain it but otherwise it's low maintenance.

I will probably run some PVC piping with valve for draining, but for now I'll just do it manually.

Posted pics here:

Humidifier
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Old 02-05-2011, 01:30 AM   #10
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I like the honeywell truesteam
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Old 02-05-2011, 04:13 AM   #11
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Quote:
Originally Posted by ccpyue View Post
Don't choose the By-Pass Flow-Through type. They only generate moist air when the furnace heat kicks in. I have a Honeywell HE225 By-Pass newly installed but my house humidifier can never exceed 26%. Talked to the installer, Home Star Heating, the salesperson give me only one choice: to install a new one with motor which may cost me over $1000-. I email Honeywell several times, even Honeywell cannot solve my problem but refer me back to their dealer. Now I have to have a portable humidifier in my bedroom. Very frustrated.
Needs to be connected to the hot water line, if you want more humidity. Then it can be wired and set up to run anytime.
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Old 02-05-2011, 04:16 AM   #12
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I like the honeywell truesteam
An Aprilaire 600 connected to the hot water line can match the Truesteam 512. And cost less to buy, install and use.
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Old 02-05-2011, 12:15 PM   #13
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Needs to be connected to the hot water line, if you want more humidity. Then it can be wired and set up to run anytime.
Even wiring it to run off hot water most customers find the fan operation between heat cycles to be objectionable. The supply air just blows cold between heat cycles and makes the house feel drafty. Not to mention the added cost of electricity to power the blower.
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Old 02-05-2011, 09:07 PM   #14
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Originally Posted by hvaclover View Post
Even wiring it to run off hot water most customers find the fan operation between heat cycles to be objectionable. The supply air just blows cold between heat cycles and makes the house feel drafty. Not to mention the added cost of electricity to power the blower.
Only time I get that complaint, is when I install one on an existing furnace that someone oversized.

Otherwise, the blower seldom has to run for a humidity call only after the outdoor temp drops below 35.

Connected to the hot water line. The amount of time that the blower is on for just a humidity call is relatively short.

A standard PSC blower running 24/7 for a month won't raise the electric bill half as much as a Truesteam will. So the little extra for humidifying with hot water should only be about 1/4 of what a Truesteam would raise the electric bill.
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Old 02-05-2011, 10:10 PM   #15
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Quote:
Originally Posted by beenthere View Post
An Aprilaire 600 connected to the hot water line can match the Truesteam 512. And cost less to buy, install and use.
Yeah but its not a "steam humidifier" though. I've installed a handful of of the aprilaires but like the truesteam much better. It seems like the aprilaire wastes a ton of water

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