Product Brochure
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Electric — household power
Featured product
Master Flow EZ Cool
™
 Plug-in Power Attic Vent
Helps eliminate the hassles and expense of electrical work
n
 ETL-listed 25' (7.62 m) power cord plugs into standard 110v electrical outlets
n
 Preset thermostat. Optional humidistat/thermostat.
n
 Optional Master Flow QuickConnect
™
 Wi-Fi Technology
n
 1,050 CFM airow, 2,000 sq. ft. (186 m
2
) per vent 
n
 Roof slopes 2:12 – 12:12 
Master Flow
™
 Power Attic Vent — ERV Series
n
 High-efciency PSC motors
n
 Adjustable thermostat. Optional humidistat/thermostat (HT models). 
n
 Compact hood with durable internal screen
n
 Roof slopes 2:12 – 12:12 
ERV4/ER4VHT 
n
 Provides 1,000 CFM airow and vents up to 1,600 sq. ft. (149 m
2
) 
ERV5/ERV5HT 
n
 Provides 1,250 CFM airow and vents up to 2,200 sq. ft. (204 m
2
) 
ERV6/ERV6HT 
n
 Provides 1,500 CFM airow and vents up to 2,800 sq. ft. (260 m
2
) 
Master Flow
™
 Wi-Fi Attic Vent
Wirelessly control the vent with built-in Master Flow QuickConnect
™
Wi-Fi Technology
n
 Humidistat, thermostat, and timer
n
 High-efciency PSC motor
n
 Provides 1,250 CFM airow and vents up to 2,200 sq. ft. (204 m
2
) 
n
 Roof slopes 2:12 – 12:12 
Attic ventilation exhaust – powered vents
Attic ventilation exhaust – powered vents
Solar & dual-powered
Featured product
Master Flow
™
 GreenMachine
™
 High-Power  
Solar Roof Vent - PRSOLAR2
Uses the sun's power to cool the attic
n
 Low-prole polypropylene design with integrated 30-watt solar panel
n
 Adjustable humidistat/thermostat 
n
 750 CFM airow and vents up to 1,070 sq. ft. (99 m
2
)
n
 Roof slopes 2:12 – 12:12 
Master Flow
™
 GreenMachine
™
 High-Power 
Solar Roof Vent — Dual-Powered - PRHYBRID2
Hybrid operation switches automatically between solar and house power
n
 Low-prole polypropylene design with integrated 30 watt solar panel
n
 Adjustable thermostat
n
 750 CFM airow (solar operation), 900 CFM airow (house power).  
and vents up to 1,070 sq. ft. (99 m
2
) 
n
 Roof slopes 2:12 – 12:12 
Master Flow
™
 GreenMachine
™
Solar-Powered Roof Vent — ERVSOLAR
n
 Traditional metal design with fully adjustable, tilt/swivel 15-watt solar panel
n
 525 CFM airow and vents up to 800 sq. ft. (74 m
2
) 
n
 Roof slopes 2:12 – 12:12 
Master Flow
™
 GreenMachine
™
Dual-Powered Roof Vent — ERVHYBRID
n
 Traditional metal design with fully adjustable, tilt/swivel 15-watt solar panel
n
 Hybrid dual-power switches automatically between solar and house power
n
 Adjustable thermostat
n
 525 CFM airow (solar operation), 750 CFM airow (house power).  
and vents up to 800 sq. ft. (74 m
2
). 
n
 Roof slopes 2:12 – 12:12 
Attic ventilation exhaust — powered vents
Powered vents
Roof mount
Attic ventilation exhaust — powered vents
All Models: ERV6/ERV6HT:










