| Brand/Item | Case Material | Distribution through Construction | Ease of Service | Capacity at 140 degrees | Drain Rate | Other |
| Adams or Humidaire Humidifier Model 182 | Fiberglass | 8 points with level critical for design | Must disassemble, difficult top and bottom | 18.2 GPD | ? | Media pad is unframed and flakes, non uniform coating difficult to replace
(top to bottom) also unit does not give 100% block off for air conditioning. |
| Aprilaire 224 | Phonolic | 1 for 9 holes | Must disassemble and remove water supply | 16.8 GPD | 4.5 GPH | |
| Aprilaire 400 | Fiberglass | 1 feeder compartment | Easy remove front cover | Est. 13.0 | ? | |
| Aprilaire 440 | Fiberglass front sheet metal back | 1 feeder compartment with 9 holes | Easy remove front cover | 16.8 GPD | 6.8 GPH | |
| Aprilaire 550 | Fiberglass | 1 feeder compartment | Easy remove front cover | 12 GPD | 2.5 GPH | |
| Aprilaire 560 | Fiberglass | 1 feeder compartment | Easy remove front cover | 16.8 GPD | 5.3 GPH | |
| Aprilaire 600 | Fiberglass | 1 feeder compartment | Easy remove front cover | 16.8 GPD | 5.3 GPH | |
| Aprilaire 700 | Fiberglass | 1 feeder compartment | Easy remove front cover | 18 GPD | 9.1 GPH | |
| Aprilaire 760 | Fiberglass | 1 feeder compartment | Easy remove front cover | 18 GPD | 9.1 GPH | |
| Autoflo 250 | Plastic | 1 for 6 holes | Remove front cover/ remove water supply | 12 GPD | 9.1 GPH | |
| General 1040 | Fiberglass | 1 for 8 holes | Remove name plate/ remove water supply, tools needed | 17 GPD | 2.2 GPH | |
| LAU VA3800 | ABS plastic | 3 feeder compartments with 10 points | Easy remove front cover | 17 GPD | 3.2 GPH | |
| Skuttle Flo Thru Models | Stainless steel | ? | Remove front cover | 17 GPD | ? | Pad difficult to replace and splash back may be experienced |
David B. February 24th, 2010
Posted In: Humidifiers
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