NOTE - Due to Lennox’ ongoing commitment to quality, Specifications, Ratings and Dimensions subject to change without notice and without incurring liability.
Improper installation, adjustment, alteration, service or maintenance can cause property damage or personal injury.
Installation and service must be performed by a qualified installer and servicing agency.
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HUMIDIFIER SIZING iNFORMATION
(BASED ON VOLUME OF HOME)
Model No.
Type of Home
8 Foot Ceiling
9 Foot Ceiling
10 Foot Ceiling
Home Area (sq. ft.) Home Area (sq. ft.) Home Area (sq. ft.)
HCWB3-12,
HCWB3-12A
Loose
750
666
600
Average
1500
1350
1200
Tight
3000
2700
2400
HCWB3-17,
HCWB3-17A
Loose
1000
888
800
Average
2000
1800
1600
Tight
4000
3600
3200
NOTES:
Loose Home = Two Air Change Rates per hour: Typically, loose in construction and is over 20 years old. Not very well insulated and may
have single pane windows, etc.
Average Home = One Air Change Rate per hour: Average in construction, 15 to 20 years old on average.
Tight Home = One-Half Air Change Rate per hour: Newer home with tight construction..
Also see Healthy Climate Power Humidifer HCWP3 bulletin for additional sizing conditions if needed.