Humidifier works great! Installed myself taking my time, I broke the project into 4 phases (days) and about 2 hours planning and picking up what I needed at the store. This is a time consuming project, but if you are comfortable with other home improvements such as adding outlets, lights, switches, fixing pluming, etc...this will be a job you can do yourself.
Phase one I spent about 4 hours mounting the humidifier and bypass ductwork. I purchased 6" duct from my local home improvement store. I used a 3/8" drill bit to drill to start an initial hole then used quality tin cutters to cut the square humidifier opening into my plenum and a 6" round hole for my bypass duct into my cold air return. I already have a set of left, center and right tin cutters, I switched between left/right cutters when appropriate to make clean cuts. I used 3/4" sheet metal screws with hex heads for everything. I added true metal tape around seams. Metal foil tape is for taping duct work, which is not the same as "ducttape" which is the more common tape everyone thinks of.
Phase 2 I spent about an hour (which hopefully most folks will not have to do) adding a 2 gang metal box at the ceiling above the furnace to mount the 24V transformer (included with the apriaire). I added this to the circuit that powers the furnace. The instrufions tell you not to wire the transformer within the furnace 24v circuits, but it is completely ok and acceptable to wire the 110V transformer to the actual "home" 110V circuit to the furnace. I added a switch in my box so in the summer months I can turn off the transformer when I have the humidifier off. If you are not comfortable with home electrical wiring and you do not have a place to mount your 24V transformer to a 110V source, then plan on either hiring an HVAC or Electrician to add a similar box for your situation.
Phase 3 I spent about an hour running a 1/4" water line from a hot water source to the Humidifier. The only thing I needed to purchase was 10' of 1/4" copper pipe. I used a couple pieces of pipe strap to hold the piping in place for my situation. A flare wrench is necessary to tighten these fittings correctly.
Phase 4 I spent about 3 hours running thermostat wires as instructed in the kit. I used a stepping drill bit to drill the 3/4" hole needed for the humidistat then mounted the humidistat with two sheet metal screws, as others mentioned you need to use at least 3/4" long sheet metal screws for this mounting. I used one run of 18-5 thermostat wire to go between the humidistat and the furnace. I also got a really long run of 18-2 thermostat and door bell wire, most of it was for the outside sensor, some was used to connect the transformer, hunidifier water line solenoid and humidistat together.
The system works well. I like the options to be able to let it run on its own or only when the furnace is running. I also like the outside temperature feature, basically you set this humidistat to where you want it and forget it and it will keep the humidity at a level that is no too excessive. If you over humidify your home, you will get water condensation on the windows which you do not want. The humidistat is simple to use and the bright blue display is easy to read. It would be great if it also reported the outside temperature, but it's only job is to report the relative humidity, which it does.
I was told as a tip to use electrical twist caps at the humidifier water line solenoid and at the outside temperature sensor. These are serviceable parts, by using twist wire caps as apposed to butt connectors or soldering it will made it easier to replace these parts if they were ever to fail.
Update:
I only use the humidifier from about late December through Early March. I was warned last year that if the humidifier is always working you can over humidify the home which encourages mold growth in the duct work.
The home feels warmer inside with the humidifier, even though the thermostat set at the same temperature.
As for the humidifier setting itself, I have it set at 2 for our home. I did initially have it set to 4 which created way too much humidity in our home.
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From the manufacturer
Balance your home's humidity
AprilAire Whole-House Humidifiers balance your home's humidity to help improve sleep and dry skin, enhance productivity, and keep you protected against airborne viruses. Additionally, AprilAire Humidifiers help preserve your home and any contents susceptible to cracking and warping due to low humidity levels.
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Maintain WellnessReduce airborne illnesses that can cause respiratory infections, asthma attacks, and allergic reactions by maintaining proper relative humidity in your home.*
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Lower Energy CostsHumidifiers can affect the "real feel" temperature in your home, which can prevent your furnace from working overtime. |
Home PreservationAir that’s too dry can cause wood to splinter. Protect the structural integrity of your home and wooden furnishings like floors and cabinets with solutions intuitively designed to create healthy environments. |
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Humidity for ComfortWhether your home is in a dry region of the country, or in an area with seasonal dryness, maintaining proper humidity levels can make all the difference in how comfortable you feel in your home. |
Humidity Control at the Ready All our humidifiers ship with either an Automatic or Manual Humidifier Control (also known as a Humidistat). With an AprilAire Whole-Home Humidifier, you will also avoid common problems associated with less moisture in the air such as dry throat and static shock. |
AprilAire Genuine Water Panels Designed to keep your AprilAire humidifier operating at peak performance, AprilAire Water Panels should be changed per the recommended schedule for your Model, typically once or twice per heating season. All AprilAire Whole-Home Humidifiers ship with the Water Panel(s) needed for one season. Additional/Replacement Water Panels sold separately. |
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| AprilAire 500 Whole-House Humidifier + Automatic Control | AprilAire 300 Self-Contained Whole-House Evaporative Humidifier | AprilAire 400 Whole-House Humidifier + Automatic Control | AprilAire 600 Whole-House Humidifier + Automatic Control | AprilAire 700 Whole-House Humidifier + Automatic Control | AprilAire 800 Whole-House Steam Humidifier | |
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| Customer Reviews |
1,744
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| Price | — | $598.49 | $299.99 | $245.48 | $349.99 | — |
| Water Capacity (Gallons Per Day) | 12 GPD | 13 GPD | 17 GPD | 17 GPD | 18 GPD | 11.5 GPD |
| Home Size Coverage | 3600 Sq. Ft. | 3900 Sq. Ft. | 5000 Sq. Ft. | 5000 Sq. Ft. | 5300 Sq. Ft. | 10,300 Sq. Ft. |
| Water Panel Model & Replacement Frequency Per Season | 10, Once | 35, Once | 45, Twice | 35, Once | 35, Once | 80 Steam Canister, Once |
| Fan Included | ― | ― | ― | ― | Yes | ― |
| Floor Drain Required | Yes | Yes | ― | Yes | Yes | Yes |
| Dimensions & Weight | 15.63" L x 10.25" W x 13.0" H, 7.75 lbs. | 14.38" L x 22.07" W x 12.43" H, 29.2 lbs. | 15.38" L x 10.25" W x 15.75" H, 10.0 lbs. | 15.38" L x 10.25" W x 15.75" H, 10.0 lbs. | 15.91" L x 11.35" W x 18.0" H, 17.0 lbs. | 10.13" L x 7.13" W x 20.88" H, 23.0 lbs. |
| Electrical Specifications | 24VAC, 1 phase, 60 Hz, 0.5 Amps | 120VAC, 1 phase, 60 Hz, 0.7 Amps | 24VAC, 1 phase, 60 Hz, 0.5 Amps | 24VAC, 1 phase, 60 Hz, 0.5 Amps | 120VAC, 1 phase, 60 Hz, 0.8 Amps | 120VAC, 1 phase, 60 Hz, 11.5 Amps |
Videos
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Customer Review: Changed the way I feel in the winter!
Christopher
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Customer Review: Good to have for Winter, Instl is hard
Amazonia Vincent
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Rotating Aprilaire Evaporative Humidifiers
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How Dry is the Air in Your Home?
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Reviews with images
Works great! Silent as well.
I opted for this in my new home VS the powered fan one I am used to. This one works by using the positive and negative pressures of your forced air system so it is less noisy. Love it so far!
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Top reviews from other countries
John D
Excellent Humidifier - But did not come with Outdoor Temperature Sensor
Reviewed in Canada on February 7, 2024Style: HumidifierVerified Purchase
