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| Manufacturer | Aprilaire |
|---|---|
| Item model number | 500Z |
| Product Dimensions | 39.7 x 26.04 x 33.02 cm; 3.33 kg |
| ASIN | B0039PR5RE |
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- No deductibles or hidden fees. Shipping included on all repairs. Fully transferable.
- Covers failures due to power surge and other mechanical and electrical breakdowns.
- Plan begins at the end of the manufacturer's warranty. Plans cover products purchased in the last 30 days.
- Easy claims process. If we can't fix it, we will send you a reimbursement for your product purchase price.
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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 |
6,608
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6,608
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| Price | $207.50 | — | $308.82 | $240.00 | $475.00 | — |
| 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 |
Compare with similar items
This Item  Aprilaire 500 Whole Home Humidifier, Automatic Compact Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 3,000 Sq. Ft., white |  |  |  |  | | |
| Price | -5% $207.50 Was: $219.00 | $175.00 | -17% $49.99 List: $59.99 | -24% $110.62 Was: $144.94 | -36% $31.62 List: $49.20 | $57.79 |
| Delivery | Get it May 13 - 14 | Get it by Sunday, May 12 | Get it by Sunday, May 12 | Get it May 13 - 14 | — | Get it by Sunday, May 12 |
| Customer ratings | ||||||
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| Easy to install | ||||||
| Sold by | HVAC SOS | LFZ Ecommerce | Kujia LLC | HVAC SOS | Amazon.ca | Amazon.ca |
| capacity | 12 gallons | 12 gallons | 3.6 liters | 12 gallons per day | 17 gallons per day | 12 gallons per day |
| floor area | 3600 square feet | 3200 square feet | 377 feet | 0 square feet | — | 0 square feet |
| power source | Corded Electric | ac/dc | Corded Electric | — | ✗ | — |
| material | Plastic | Stainless Steel | BPA-Free | — | Fabric | — |
| shape | Rectangular | Square | Rectangular | — | — | — |
| weight | 7.35 pounds | 3.5 pounds | — | 0.76 pounds | 1.75 pounds | 3.04 pounds |
Reviews with images
Furnace Flow thru Humidifier
Excellent product & great value for the money, This Apriliare Humidifier took me 4 hours to install (including removal of the old unit) any one who has basic mechanical/ electrical skills can do this. I reused the "saddle valve" (as it has been in use for 15 years with No leaks/problems) had to cover the old "cut out" with sheet metal/sealed with metal tape. My previous home I installed Apriliare Humidifier "flow thru" & never had any issues, missed it so replaced the old drum type Honeywell (motor failure). These will last & easy to maintain, would highly recommend Apriliare products. I do have Plumbing experience, with mechanical knowledge, so install was easy saved $$$. Shopped around & Amazon delivered it in 2 days Free Shipping. note: couldn't find any in Airdrie, as the hardware stores here don't carry any. Overall very pleased with the service & product.
Top reviews from Canada
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Reviewed in Canada on February 14, 2024
Size: 500Style: Manual ControlVerified Purchase
Excellent product & great value for the money, This Apriliare Humidifier took me 4 hours to install (including removal of the old unit) any one who has basic mechanical/ electrical skills can do this. I reused the "saddle valve" (as it has been in use for 15 years with No leaks/problems) had to cover the old "cut out" with sheet metal/sealed with metal tape. My previous home I installed Apriliare Humidifier "flow thru" & never had any issues, missed it so replaced the old drum type Honeywell (motor failure). These will last & easy to maintain, would highly recommend Apriliare products. I do have Plumbing experience, with mechanical knowledge, so install was easy saved $$$. Shopped around & Amazon delivered it in 2 days Free Shipping. note: couldn't find any in Airdrie, as the hardware stores here don't carry any. Overall very pleased with the service & product.
Images in this review
Reviewed in Canada on February 3, 2022
Size: 3,000 sq. ft.Style: AutomaticVerified Purchase
Reviewed in Canada on January 18, 2021
Size: 700Style: HumidifierVerified Purchase
Reviewed in Canada on January 6, 2024
Size: 4,000 sq. ft.Style: ManualVerified Purchase
Reviewed in Canada on February 9, 2024
Size: 600Style: HumidifierVerified Purchase
Reviewed in Canada on February 7, 2024
Size: 3,000 sq. ft.Style: AutomaticVerified Purchase
Reviewed in Canada on January 5, 2024
Size: 4,200 sq. ft. - Fan PoweredStyle: ManualVerified Purchase
Top reviews from other countries
Russell Coble
Replaced old 700 with newer 700 Humidifier
Reviewed in the United States on February 14, 2024Size: 700Style: HumidifierVerified Purchase
Darin
This thing works!
Reviewed in the United States on November 11, 2023Size: 500Style: Manual ControlVerified Purchase
Darin
Reviewed in the United States on November 11, 2023
Pro's:
1. Does exactly what it should. keeps your home at a comfortable and healthy RH% that you set, and does it in a relatively quick amount of time.
2. Easy to use and replace the filter. Adjusting the the settings are as easy as turning a knob to the desired humidity, and it even guides you to suggested levels in relation to the outside temperature. Replacing the filter is quick and easy. Just open the cover, disconnect the water line, removed old and install new.
3. Cost. This unit does a lot for a little investment.
Con's:
1. I personally didn't have any issues installing this unit in my house, but it is not something that everyone would want to take on without any HVAC experience. Understand that you will need to cut into your furnace ducting in multiple locations, and have the proper tools to do so, like tin snips, gloves, pliers, etc. You'll also have to do some basic wiring to hook up the humidistat to the furnace and the humidifier, and you'll likely need to be able to read and understand your furnace wiring diagram to know where to wire the unit properly to only work when the furnace is in it's heating mode. This would require some of the proper wire, an enclosed junction box of some kind (not required, but recommended), wire strippers, and hand tools. lastly, you'll need to get the excess water from the unit to an acceptable drain. I tied mine into my condensation trap with some 1/2" PVC and mounting straps. The unit does come with it's own drain hose, but I preferred to drain mine in a rigid line. You'll also have to supply the unit with water. This means tapping into an existing water line, or running a new one.
If you think you can do all the above to install it yourself, it can be done with the proper tools and knowledge. If any one of those tasks seems like it might be out of your league (looking at you, electrical lol), then I would recommend hiring a professional to put it in.
Overall:
Works better than I expected, at a very good price. Easy to use and maintain. May want to hire a pro to install, but is possible to put in yourself.
Images in this review
Spandex Queen
Made Colorado Winters Comfortable
Reviewed in the United States on September 28, 2023Size: 600Style: HumidifierVerified Purchase
AMguy33
Very effective
Reviewed in the United States on December 15, 2019Size: 400Style: Automatic ControlVerified Purchase
Jenny
Aprilaire 600M Humidifier and 3rd gen Nest Thermostat Install
Reviewed in the United States on February 26, 2018Size: 4,000 sq. ft.Style: ManualVerified Purchase
Jenny
Reviewed in the United States on February 26, 2018
This is a fairly easy project, but there are many steps involved, and a lot of info to gather. I am writing this so you should have everything you need in this review to do the project. There are many wiring diagrams you may stumble upon. I have included the 2 best ones I have found. I only had 4 wires in the bundle run to my thermostat. I had AC, heat, and fan. I ran 18/8 wire so I would have 8 wires total. Then I could have 1 for common so that the nest would always be powered, and * for the humidifier, 2 more than my original 4 bringing the total to 6 wires, leaving 2 extra to futureproof. The 18/8 wire is more expensive per foot, but I only needed 30’ (bought locally). 18/7 comes in a 50’ roll, so the price was the same. Just measure how much you need, then add about 5-10’ to be safe. Some systems have dual fan speeds and such, which are many times not used, but the nest may be able to use them. Find your furnace manual online or look at the wiring diagram(s) inside the furnace access covers if there are any. If you have to run more wire, plug the wires in to the nest setup website, so you can use the same colored wires they did to minimize confusion. If you have extra unused wires, put both ends in a wire nut to be safe. I first wired everything without the included transformer and was using the furnace’s built in transformer, see attached wiring diagram. When I first turned everything on, it all seemed to work fine for about 5 seconds, then smoke blew out the side of the solenoid valve! I turned the heat way down and let the furnace finish its cycle and the solenoid valve got pretty hot so there was definitely a short. Amazon sent me a new solenoid valve so no big deal there. The reason for using the included transformer with the relay is to isolate the humidifier solenoid from the furnace and Nest, and this experience proved to me why that would be important! The downside to having a dedicated transformer to the humidifier is that it is always on, and drawing extremely minimal power, but its still power. You may be able to wire the 110V side of the transformer to the extra contacts on a 6AZU3 relay so that there is no such loss, or maybe the relay can control the 110V side and then 24V side always stays connected using the 6AZU2 relay, do some research and try it!
I mounted the relay and extra transformer inside the furnace next to the control board.
I took the solenoid apart, and it looks like the windings shorted out to the outside case. I’m not sure if it would cause more harm than good, but you could take apart the solenoid before powering it up to check that nothing is shorting with the outer casing, maybe add some electrical tape around the windings, but you risk damaging the wires that power the solenoid. If you need/want to take it apart, take off the nut on the end, then the small rubber grommet. Now the electrical part of this should slide off the shaft. The slotted part (for a flathead screwdriver) does not need to be taken off, that just holds the water valve in. Then push the yellow wires in to the housing while carefully working the windings out of the housing.
Keep in mind that the Nest does not have a built in table to decide what humidity you need for a given outside temperature, as described in the Aprilaire operating manual. I have read that the Ecobee thermostats have this kind of table built in. There is a website mynestreports that has some custom settings you can use, including this very table, for the Nest. His values are exactly what is in the Aprilaire owners manual for the M versions. You just log in with your Nest login, and check the boxes and it works. Many complain about this, so I wish Nest would add this feature to the software! Also, the Nest and the app, configured in Hum. will allow you to adjust the Rh more precisely while the Hum. + heat option shows you rain drops on a slider scale. The rain drops do correspond to a 5% increment, as verified on mynestreports.com. So if you set the Aprilaire up using hot water, everything else the same, and you could control the fan, you could use the Hum. setting and see the Rh. Minor point.
I’ve run the humidifier now for about a month, and after the house absorbed the moisture, the setup holds my set humidity well. I added 5% to the humidity numbers in mynestreports for everything below 40%, so 40 % is repeated. This is because my heater runs a long time in the morning to warm the house back up from being turned down at night. The day temps are higher, so I wouldn’t get as much humidity as I could because the morning heat run would cut the humidifier early for the current morning temp. Basically, on mynestreports you can see how long the heater has been on, and how long the humidifier has been on. If the times are the same the humidifier is on whenever you are heating and you are getting as much humidity as you can using cold water. Just keep an eye on the windows for any condensation.
Keep in mind that the advertised size of house that the Aprilaire 500 and 600’s can humidify is probably based on using hot water to evaporate more water. I have an on demand heater, so I did not want to run the water heater all the time. I therefore bought the 600M so that cold water would work better. It seems overkill, but the prices are very comparable especially through Amazon Warehouse. Also, the yellow plastic orifice in the discharge tube is the same for the 500 and 600, so you are using the same amount of water either way, and electrically they are identical.
Also, the 400 requires you to change filters twice per season, but it is more efficient with the water. You will need a drain of some kind for the 500 and 600. My furnace had a small pump on the side to catch water from the furnace and AC, so I just put the drain in the 3rd hole, works fine.
I used a duct for a rectangular register, and cut it and bent it with some snips and sheet metal pliers, then sealed the edges with foil tape. If you look closely at one of the pictures, you can see that I left the corner of the duct intact, and its more of a vane now. I just used some pliers and sheet metal pliers to bend the corner into a flat plate, this keeps the duct more rigid. Your installation may be different, but try to minimize how long of ducting you need and turns.
I almost had to move/modify my furnace vents, but there was enough clearance, keep this in mind for your installation.
Also, consider using a level when cutting your opening and installing the unit, the water distributes in a tray on top, and you want it distributing evenly.
There is a “Nest Pro Installation Guide” available. There are some wiring diagrams in there, which can be useful, but not complete or straightforward. The diagrams I have included should work for the nest. They recommend a different relay, but they do the same thing.
You will need to go into the pro settings, just hit continue and ok etc. Use the dial to move down to the *. Select it, and set it up for being a humidifier. In the pro install guide, it says “Pro Setup will show an Activate setting to specify whether heat needs to be activated for humidification to turn on. Bypass humidifiers should use the Hum. + heat option while steam, independent, or on-demand humidifiers should use the Hum. only option.” So in this case that means the humidifier will only turn on when the heat and fan is on. You can set this up to run the humidifier with the fan, and no heat, but you will need to plump the humidifier to hot water then, see the Aprilaire manual on their website.
The 600M came with a saddle valve (I have read these are not the best), the manual humidistat, evaporation panel and all internals, but no wiring, ducting, or plumbing. Keep in mind the warranty is voided if you install it and are not a professional. The only part I could see breaking is the solenoid valve, and those are ~$30.
Here are some links to useful tools you may not have. The non-contact voltage tester is pretty useful with the built in flashlight. The tin snips are hardened so they should last a long time. The pex tool was the cheapest I found, the smallest, which could come in handy in tight places and for storing it, and it comes with a tubing cutter and test gauge. I just cut my pex tube, put in a T, then a fitting with a shutoff to go to the humidifier.
[[ASIN:B00XJQ9ZE4 Klein Tools NCVT-3 Non-Contact Voltage Tester with Flashlight]]
[[ASIN:B073GFVS1D IWISS Pex Pipe Crimping Tool kit for 3/8",1/2",3/4",1" Copper Ring with Free Gauge&Pex Pipe Cutter -Meet ASTM F1807 for Sharkbite,Watts,Apollo-Light and Portable]]
[[ASIN:B00PNJ1XXQ MIDWEST Aviation Snip - Left Cut Offset Stainless Steel Cutting Shears with Forged Blade & KUSH'N-POWER Comfort Grips - MWT-SS6510L]]
[[ASIN:B00OMSVOZ6 MIDWEST Aviation Snip - Right Cut Offset Stainless Steel Cutting Shears with Forged Blade & KUSH'N-POWER Comfort Grips - MWT-SS6510R]]
Parts list:
- Aprilaire humidifier of choice
- Ducts and or vents
- Sheet metal screws
- Duct/foil tape
- Thermostat wire, suggest 18/7 or 18/8 (Only if you don’t have enough wires)
- Crimp on electrical connectors
- Electrical tape
Plumbing (depending on the plumbing in your house):
- Pex pipe, fittings (T, shutoff, union, etc), crimp collars
- Copper pipe, fittings, solder, flux paste
- PVC pipe, PVC fittings, PVC solvent/glue
- ¼” copper tube will be needed for any setup, that is what goes into the humidifier
Tool list:
- Non-contact voltage tester
- Voltmeter (I didn’t end up needing one, but could have)
- Tin-snips, suggest R & L hand
- Wire cutter/stripper
- Other common tools etc.
Images in this review
