Compare dehumidifiers / AprilAire E100

AprilAire E100
AprilAire · E100

AprilAire E100

Model E100 · E100C (casters) · E100H (hardwired) · E100V (vent)

SCORE7.2 / 10

The whole-house dehumidifier we'd duct into a humid forced-air house or put in a large sealed crawl space above the mid-50s: 85 pints/day at 73°F, ENERGY STAR Most Efficient. Standalone, it mostly dries its own room.

Specs

SpecAprilAire E100
Capacity (old 80°F test)100 pt/day
Lowest operating temp50°F
Built-in pumpNo
Noise (maker figure)55 dBA
TypeWhole-house
Warranty5 yr
ENERGY STARYes
Capacity at 73°F/60% RH (DOE whole-home test)85 pints/day; IEF 2.35 L/kWh; 821 kWh/yr
Rated capacity (80°F/60% RH)100 pints/day at 280 CFM, 0.0 in. static
Operating rangeDehumidifies at 50-104°F inlet air, 40°F dew point minimum
Airflow280 CFM at 0.0 in.; 245 at 0.2; 210 at 0.4; 175 at 0.6 in. w.c. (max)
Electrical115 V, 60 Hz; 6.7 A operating current; 8 ft cord
Drain3/4 in gravity drain; no pump in the cabinet (Model 4856 pump lifts 22 ft)
Ducting10 in inlet and outlet collars and backdraft damper included
Size and weight15 H x 14 W x 26 D in; 64 lb
Noise55 dBA ducted (2021 spec sheet); no figure in the current manual
FilterWashable MERV 8
Warranty5 years from purchase; AprilAire picks part or unit; labor, shipping and reinstallation excluded; void if not installed per instructions

Sources: ENERGY STAR certified dehumidifier data · AprilAire E080/E100 manual (10020792B, 02.24) · AprilAire E100 spec sheet Form 962 · AprilAire E100 shop page

Before you buy

  • ENERGY STAR's 85 pints/day is at the 73°F whole-home test; don't line it up against a portable's 65°F rating.
  • Dehumidifies only above 50°F inlet air and a 40°F dew point; a crawl space that drops below that in winter leaves it idle.
  • The 5,500 sq ft coverage claim is the maker's; size by moisture load, and duct it if you want it to dry more than its own room.
  • Amazon's "E100 Pro" and "E100P" are listing and bundle names, not AprilAire models.

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