Questions tagged [humidifier]

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1answer
32 views

Can I put steam humidifier nozzle above the AC coils

I'm trying to understand how the AC coils drain the condensation. I have installed a steam humidifier and connected to the top plenum above the furnace and AC coils. My worries are if the steam will ...
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2answers
79 views

Swamp Cooler AND Humidifier in One System

I am moving to Colorado, where having a whole house Evaporative (Swamp) Cooler is both effective and low cost option for cooling my home. Additionally, Colorado is drier, so a whole house humidifier ...
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1answer
83 views

Aprilaire 400 solenoid valve gets stuck at opening resulting in buzzing (hammering?)

I meticulously DIY-installed this humidifier with automatic control 2.5 years ago. It worked as a champ for 2 winters. Supplied saddle valve never sat well in my stomach, even before I read up while ...
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1answer
50 views

How To Wire Humidistat and Humidifier - Honeywell

I am looking for advice on how to wire my new humidistat with my furance and humidifier. First, here are the components I'm working with: Furnace: Carrier WeatherMaker Infinity (Model 58MVP100 14120) ...
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0answers
62 views

What wires do I need to connect to get Aprilaire 600 working?

I just replaced an old Aprilaire with a new 600 model. I wired up all the previous wires to the corresponding spots on the new controller, but there are still open spots and when I turned power back ...
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2answers
91 views

How to Break Apart an Unbreakable Humidifier to Clean It

My humidifier of less than 1 year of use no longer works and Google says to clean mineral deposits. How do I break it apart to clean it and get it working again? When I google this, it doesn't show my ...
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0answers
13 views

Problem with Honeywell HE360 Humidifier on Bryant Furnace

My Honeywell humidifier is not coming on when needed. It is directly connected and controlled by the furnace and thermostat vs having its own control. My HVAC guy tested the relay on the furnace, and ...
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0answers
7 views

Lennox Healthy Climate Humidifier - No Water

With a recent cold snap I noticed that my 5 year old humidifier is dry. It is connected directly to the motherboard of the furnace and not to a wall sensor. Where is the humidity sensor and how can I ...
2
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1answer
65 views

Run humidifier while furnace is not heating but fan is running?

I've got a bypass humidifier mounted on my gas furnace, and an ecobee 3 thermostat driving both furnace and humidifier. What I like about having the ecobee drive the humidifier, is that it knows the ...
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1answer
72 views

Carrier Weathermaker 9200 Humidifier Ecobee blows 3amp fuse

I have a Carrier weathermaker 9200 with a bypass humidifier attached. I just moved into this house a year ago and the humidifier never worked with the humidistat. I tested the solenoid by putting a ...
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2answers
80 views

Humidifier connected to water supply WITHOUT a furnace

I want a humidifier that's connected to the water supply but I don't have a furnace (I have baseboards). Does that exists? I just want a humidifer that I don't have to refill every day or so.
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1answer
43 views

Wiring in a Aprilaire 500m to an older (11-86) Trane furnace w/o A/C

New here. I recently purchased a Aprilaire 500m with a humidistat installed on the return. It's working fine, sure... But I don't want water pouring down the drain while the furnace/blower is not ...
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0answers
17 views

Safe to install humidifier above furnace gas vent?

I'd like to add an AprilAire 600 bypass humidifier. I plan to install the humidifier on the supply plenum, and the bypass duct on the return air. The gas vent coming off the furnace is type B. ...
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1answer
23 views

April Aire 600 Humidistat Question

The humidistat was replaced. The wiring looks the same as it did before. However, the solenoid only opened when the blower was on. Now we hear the solenoid opening at all times of the night whether ...
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1answer
48 views

Why does my humidifier not come on when heat is on?

Our HVAC setup includes a humidifier, but the control board seems to activate it only when the fan is on without heat/cool. Here's how I got to that conclusion: I hooked up my multimeter to the ...
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2answers
59 views

Why did my humidifier water bottles get discolored inside?

I've had a stand alone type of whole house humidifier for many years. It has two 2.75 gallon white plastic water bottles. In addition to using an anti-bacterial with each fill-up, at the end of each ...
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0answers
257 views

Aprilaire 700 Humidifier hookup to a communicating Trane furnace

I have a Trane communicating furnace controlled by Trane's version of a Nexia XL1050 (thermostat and humidistat). I want to hookup an Aprilaire 700 humidifier. I could use the Aprilaire's humidistat, ...
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1answer
268 views

Aprilaire 600M Wiring to Honeywell TH8321 Stat

Very rookie DIY guy here...I have installed an Aprilaire 600M but can't figure out how to wire it. My thermostat currently is using the U1 port for a normally-closed damper on a fresh air intake. I ...
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0answers
40 views

Can someone verify my wiring for Trane XE90 with Aprilair 600

I received my unit this morning and there was a diagram that says its better to wire the humidifier to the EAC, this way I run run the humidifier without running heat, which makes sense. Unit also ...
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3answers
273 views

Why place humidifer on cold air return

I'm trying to understand why a whole house humidifier is placed on the cold air return where water is injected into the air flow and then it has to pass through a five inch filter before entering ...
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0answers
83 views

How to insert a panel in a tray to avoid touching edge and leaking: Aprilaire 600M humidifier?

When the panel was leaning against the tray, water leaked onto the tray edge (and then the floor) - see How to troubleshoot a leak in an Aprilaire humidifier? or the first photo below. When I put in a ...
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1answer
1k views

How to troubleshoot a leak in an Aprilaire humidifier?

An Aprilaire 600M humidifier attached to my HVAC vent is leaking very slowly, about 2 ounces per day. I have not seen it leak but the leak is coming out near the exhaust at the bottom of the plastic ...
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0answers
125 views

Humidifier not keeping up with HRV

I just moved to an new (for us) house and we seem to not be able to keep the humidity up in the house. The house comes with a Heat Recovery Ventilator (HRV) that in the winter runs all the time on low ...
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0answers
26 views

Should I expect a whole-home humidifier to provide consistent humidity throughout a 3-story townhouse?

I'm looking to install a whole-home humidifier in my 3-story townhouse in northern Virginia. I already have trouble keeping a consistent temperature throughout the 3 stories - should I expect similar ...
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1answer
43 views

Piping humidified air through a wall

I have very low humidity in an upstairs bedroom. For various reasons I cannot keep the door closed, so your average "single room" humidifier doesn't move the needle. It's a cold climate, so ...
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1answer
56 views

What skills and tools do I need to install a whole-home humidifier?

I'm looking to install a whole-home humidifier and am wondering what tools and skills are needed for the job. I'm specifically concerned about a non-standard installation or if something goes wrong / ...
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1answer
188 views

Winter damper setting for humidifiers [closed]

Problem: My brother has a drum humidifier on his furnace and is quite satisfied with it, so I installed one on my furnace this fall. He claims it is a good idea to partially close the damper for ...
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2answers
261 views

Is this the correct wiring for Honeywell humidifier?

Additional Info: Make/Model of furnace: Bryant / 310AAV042090 Link to Installation Instructions: https://www.carrierenterprise.com/bryant-legacy-80-afue-90-000-btuh-multipoise-gas-furnace-310aav042090#...
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2answers
173 views

Humidifier and preventing ice formation

Is there anything that can be done to mitigate the effects of a floor humidifer on ice formation gumming up various systems in the house? I have learned that even RO water is not pure enough to ...
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0answers
392 views

Air purifier/humidifier - strange yellow substance

I have had this Sharp air purifier/humidifier for the past 6 months. After cleaning the humidifying filter today I have noticed a strange yellow slimy substance on the filter "fins". I have ...
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1answer
188 views

Should whole house humidifier leak cold air in the summer?

I've recently been learning a lot about sealing our HVAC ducts to improve system efficiency. On my mission to seal every accessible leak, I noticed my air conditioning/furnace cabinet joints were ...
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1answer
110 views

Thermo Pride OL5-85 oil furnace and Aprilaire 60 humidistat

I have a Thermopride OL5-85 furnace. I've recently added an Aprilaire 600 humidifier, which comes with the Aprilaire 60 humidistat. Wiring diagrams for both are attached below. The humidistat is ...
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0answers
296 views

Why do I read no voltage with my humidistat's solenoid is installed?

I've been troubleshooting my humidifier for a bit now (just learning this stuff as I go). It would appear the wiring for the furnace (apparently the transformer) meets the wiring for the humidistat ...
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0answers
48 views

2 humidistats for 1 humidifier

I have two zones in my house with a damper system and want to move away from using my humidistat to control the solonoid valve on my humidifier and instead use my Nest thermostats. My zone control ...
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1answer
1k views

Where should my humidistat on my whole house humidifier be located

I have a Trion cm200 installed on my air handler up in the attic of my house. Toward the end of 2018 I had an entire electric system installed in my house (duct work, air handler and outside ...
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1answer
543 views

Should whole house humidifier be draining when heater/fan is off?

I have an Aprilaire 700 whole house humidifier with a manual mode humidistat on the return. I noticed that the unit was draining water even when the heater/fan was off. Is this expected? I just hear ...
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1answer
211 views

Furnace shutoff switch outlet only hot when furnace is running

I have an old Aprilaire 700 powered by the 110v outlet on the side of my furnace. I recently replaced the old humidistat with a newer Aprilaire 60 Digital. This humidistat comes with the blower ...
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1answer
857 views

Aprilaire 600: No power coming out of humidistat

I am trying to trouble shoot my Aprilaire 600. It was already installed when we purchased the house 3 years ago but I don't believe we ever turned it on after purchasing the house in the summer. The ...
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1answer
52 views

What is the name of this water source for a whole house humidifier?

A plumber told me that the type of water feed I have tends to leak. I've owned the house for 10 years and it has never leaked, but I would like to think about upgrading. I plan to search the web for ...
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2answers
147 views

How should I know if my humidifier work?

I have a Aprilaire 600 Humidifier installed in my basement, as per the manual it should automatically kick off when the lack of humidity is detected. It didn't seem happening. After I adjusted the ...
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0answers
951 views

My humidifier sets off the breaker?

I live in an apartment with a flatmate, in Ontario, Canada. I have a Honeywell Warm Mist Top Fill Humidifier (HWM-340BC from Canadian Tire, I imagine it should be akin to HWM-340B here: https://www....
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1answer
229 views

April Aire 600 powers off while furnace is firing

After having a new furnace and AC installed in the summer of 2018, replacing my 20-year old equipment, the existing AprilAire 600 whole-house humidifier behaves differently than before. During the ...
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3answers
2k views

Would adding ice to a ultrasonic humidifier help cooling in summer?

During summer it's way too hot for me to sleep well. I currently use a fan, but it's so hot that it's not enough. I had the idea of having a sonic humidifier in front of the fan as the fan would ...
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4answers
959 views

How can I prevent a humidifier from getting moldy?

I have a small cool mist humidifier. It has a water tank and ejects a mist and does not have a filter or anything. It is "TaoTronics" brand in case anyone wants to find it. I've noticed pink streaks ...
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4answers
6k views

Water is pouring out of our Aprilaire humidifier

We had an Aprilaire humidifier (600 model) installed in a new house 2.9 years ago. About a year ago, the humidifier began leaking water all over the basement floor. This has happened 3 times with 3 ...
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2answers
381 views

How to calculate CFM/pressure needed to move water vapor through duct?

I made a cheap, high capacity humidifier from a mist maker, storage crate, and 120mm fan (the fan blows into the crate, which pushes the mist out). This 4" flex pipe works fine to exhaust the mist ...
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3answers
662 views

Is it wrong to install both a whole house humidifier and a whole house de-humidifier?

I live nearish Pittsburgh. Our summers can get pretty hot and humid and our winters can get pretty cold. We have been planning to get a whole house humidifier because the house gets really dry in ...
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2answers
509 views

How much cooling is my mist maker humidifier causing?

Closely related to Does a humidifier cool the air? but with a different kind of humidifier, and I'd like to know exact numbers. First question: for the same production volume of vapor, does an ...
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2answers
400 views

How can I wire the Humistat and Humidifier so that Humudifier runs only during heat cycle?

I have Honeywell Humidifier HE225A, Honeywell Thermostat TH6110D and Honeywell Humidistat H8908B all installed already. Now my Humidifier runs 24/7 wasting water because it is connected with the ...
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1answer
26 views

How to electrically hook up my humidifier to my furnace and have it run when furnace is running and not A/C in summer

How do I hook up my humidifier to my furnace so it only runs when furnace heats my house. Just want to make sure it does not turn on when A/C in summer goes on. The person who installed my furnace ...