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5 Best Whole House Humidifier For Furnaces of 2025

Last Updated - 2025/08/02

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Aprilaire

Aprilaire Model 865 Whole House Steam Humidifier with Fan Pack for Radiant Heat Systems for up to 6,200 Square feet

Aprilaire

CA$1,438.04

More Details
Main highlights
- WALL MOUNT FAN pushes humidified air into living space for homes without a HVAC duct system
- IDEAL FOR homes in arid, desert climates
- FULL COVERAGE up to 6,200 square feet in tightly built homes. Choose from 6 levels of output adding 11.5 to 34.6 gallons of moisture into the air per day based on voltage and installation
- BUY WITH CONFIDENCE This high output steam humidifier was designed with electrode technology and manufactured in the U.S.A. by April ire – the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
CA$1,438.04
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Generalaire

GeneralAire GF-5500 Whole House Steam Humidifier for upto 5500 Sqft Homes 28.5 GPD

Generalaire

CA$1,389.00

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Main highlights
- LED Display, For upto 5500Sqft Homes
- Effortless Maintenance1 Screw Cover
- Contemporary Design, On/Off Switch
- Constant Control Diagnostics
- Automatic Digital Control, Up to 28.5 Gallons Per Day
CA$1,389.00
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Aprilaire

Aprilaire 500 Whole Home Humidifier, Automatic Compact Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 3,000 Sq. Ft., white

Aprilaire

CA$269.00

CA$285.00
(5% Off)

More Details
Main highlights
- HUMIDITY FOR HEALTH Aprilaire Humidifiers can help you maintain optimal humidity in your home of 35% : 45% which has been shown to reduce the incidence of respiratory infections and symptoms related to allergies and asthma by minimizing the formation of bacteria and viruses, fungi, and dust mites. In addition, you'll feel more comfortable while also preserving items in your home susceptible to damage from changing humidity or dry conditions
- FULL COVERAGE up to 3,000 square feet in tightly built homes with a capacity of 12 gallons per day
- CONVENIENT DIGITAL CONTROL shows percent humidity, lights indicate humidifier is running, when to change the Water Panel, when service is needed, and Blower Activation switch sets humidifier to run continually, or only when the furnace runs
- BUY WITH CONFIDENCE This humidifier was designed and manufactured in the U.S.A. by Aprilaire : the inventor of the whole home evaporative humidifier, and the leader in indoor air quality solutions
- Air flow capacity: 200.0 cubic_feet_per_minute
- AUTOMATIC HUMIDIFIER with dual sensors to monitor and respond to both outdoor temperature and indoor relative humidity to deliver optimum humidity 24/7 throughout the home : simply set it and forget it
CA$269.00
CA$285.00 (5% Off)
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Aprilaire

Aprilaire -600MK Bypass Humidifier with Manual Control

Aprilaire

CA$209.00

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Main highlights
- Performs quietly with simple annual maintenance Incorporates easy right or left discharge change-over
- Humidifies tightly constructed homes up to 4,000 sq. ft. in size -Delivers optimum levels of humidity control with manual humidifier control. Provides vital service, temperature and relative humidity indicators
- Delivers up to 50% more moisture than competitive units Has an evaporation capacity of 0.70 gph
- Built-in bypass damper means fewer parts to install
- Aprilaire- 600MK Bypass Humidifier Manual
CA$209.00
5
Best Value
19% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Generalaire
19% Off

GeneralAire Legacy Flow Through Humidifier with Manual Humidistat

Generalaire

CA$225.00

CA$280.00
(19% Off)

More Details
Main highlights
- Includes all components normally required for complete installation: 24V Stainless Steel Solenoid Valve Narrow Plenum Adapter Plate GP-1040AD Self-Tapping Saddle Valve Cold Water Supply Kit GP-81-60 Flexible Bypass With Damper GP-81-57 Drain Hose With Clamp Low Voltage Wire GP-81-24 Mounting Hardware
- GeneralAire 1042DMM Legacy Flow Through Humidifier with MHX3 Select-Control Manual Humidistat. A highly efficient flow-through unit that delivers 19.2 GPD. For home sizes up to 2,800 sq ft
CA$225.00
CA$280.00 (19% Off)

5 Best Whole House Humidifier For Furnaces of 2025

Aprilaire Model 865 Whole House Steam Humidifier with Fan Pack for Radiant Heat Systems for up to 6,200 Square feet

GeneralAire GF-5500 Whole House Steam Humidifier for upto 5500 Sqft Homes 28.5 GPD

Aprilaire 500 Whole Home Humidifier, Automatic Compact Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 3,000 Sq. Ft., white

Aprilaire -600MK Bypass Humidifier with Manual Control

GeneralAire Legacy Flow Through Humidifier with Manual Humidistat

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