iSolar 20W106-FLEX Modular Solar Attic Fan – Retrofit - High-Efficiency Solar-Powered Ventilation

iSolar 20W106-FLEX Modular Solar Attic Fan – Retrofit - High-Efficiency Solar-Powered Ventilation

SKU 20W106-FLEX

by iSolar

$294.00 - $294.00

$294.00

$294.00 - $294.00

$294.00

Availability:

in stock

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The iSolar 20W106-FLEX Modular Solar Attic Fan – Retrofit - High-Efficiency Solar-Powered Ventilation is a high-efficiency solar-powered ventilation solution designed for both roof and wall mounting. This innovative fan easily retrofits into existing vent openings, making installation flexible and convenient. Utilizing solar energy, it operates a top-grade brushless motor for powerful yet quiet ventilation, helping to remove moisture and prevent the buildup of mold, mildew, and harmful gases while extending the lifespan of roofing materials. With the ability to reduce air-conditioner wear, balance indoor temperatures, and prevent ice-damming in winter, this fan provides an energy-efficient way to maintain a healthier and more comfortable environment.

Benefits

IP68 Waterproof Brushless Motor
Removes moisture to prevent the buildup of harmful mold, mildew & gases
Extends lifespan of roofing materials
Reduces wear on air-conditioners
Balances indoor temperature
Prevents ice-damming in winter (without thermal auto shut-off)
Reduces electricity bills

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Quantity

Specifications

Weight	4.03 kg (8.9 lbs.)
Attic Area Vented (Sq. Ft.)	0-500
Air Movement	< 400 CFM *
Total CFM MAX	305
Applications	Roof/Attic, Sheds, Garages & Outbuildings
Cable	1m (39 in.) length cable with SAE plug
Fan Blades	(5) Composite plastic high-velocity fan blades
Fan Dimensions	17.2×15.2×5 cm (6.7×6×2 in.)
Fan Housing	One-piece fan and mounting plate (16” x 16”)
Motor	Brushless DC
Motor Intrusion Protection	IP68 (Waterproof and dustproof)
Motor Power	≤ 20W
Motor Quietness	< 67 dB
Motor Size	7.6 cm (3 in.) diameter
Motor Speed	4000 RPM
Motor Voltage	1.5A~24V
Packaging	46×38.8×9 cm (18.1×15.4×3.5 in.)
Power	20W Solar panel
Solar Panel	Monocrystalline, adjustable/detachable
Solar Panel Size	35×42×2.5 cm (13.7×16.5×1 in.)
Fan Quantity	1

Documentation

Spec Sheet

Solar Attic Fan Sizing Guide

Installation Instructions

Sizing Guide

Attic Area Vented (Sq. Ft.)	FLEX Line Model Number	Solar Panel Size (Watts)	Fan Quantity	Fan Diameter (in./mm)	Fan CFM MAX	Total CFM MAX	Packaged Weight (Lbs/Kgs)
0-500	20W106-FLEX	20	1	6/172	305	305	9.5/4.3
500-1000	50W108-FLEX	50	1	8/200	615	615	13/5.9
500-1000	80W110-FLEX*	80	1	10/254	910	910	21/9.5

*all 10” fans will not fit in a traditional 50 NFA vent cover and require a new larger vent cover.

Notes: All multi-fan options are suitable for the Attic/Crawlspace combination venting option. See accessory specification sheet for more details. When selecting a system for retrofit into existing vents, please measure existing vents for fitment before ordering.

Basis for Sq. Ft. CFM calculations. Range is based on columns below.
Powered attic ventilators – PAVs

Powered attic ventilators should provide at least 10 air changes per hour. Multiplying the total square footage of the attic by 0.7 will provide the rate required. For particularly dark or steep roofs, we recommend a slightly higher rating.

Attic Area	Minimum CFM Required	15% for Dark/Steep Roofs
<1,000 square feet	700 CFM	805 CFM
1,000 - 2,000 square feet	1,400 CFM	1,610 CFM
2,000 - 3,000 square feet	2,100 CFM	2,415 CFM
3,000 - 4,000 square feet	2,800 CFM	3,220 CFM

The air being exhausted must be replaced by outside air drawn through vents under the eaves in the soffit. To calculate the total minimum soffit vent intake area in square inches, divide the CFM of the PAV by 300 and multiply the result by 144.

iSolar 20W106-FLEX Modular Solar Attic Fan – Retrofit - High-Efficiency Solar-Powered Ventilation

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