Best Energy efficient Attic Fans

Ventamatic XXFIRESTAT 10-Amp Adjustable Programmable Thermostat with Firestat for Power Attic Ventilators, Replacement Thermostat

FIRESTAT THERMOSTAT: The Ventamatic Firestat Thermostat controls power attic ventilators. The Firestat Temperature Range is 183°F at which point it cuts off the appliance..
ADJUSTABLE THERMOSTAT: The Thermostat is adjustable by the use with a simple screw driver adjustment. It has adjustable bi-metallic switch..
ENERGY EFFICIENT POWER ATTIC VENTILATOR: It provides energy-efficient operation of power attic ventilators and the temperature ranges from 50°F to 120°F..
REPLACEMENT THERMOSTAT: This Ventamatic Replacement Thermostat controls power attic ventilators to promote the equalization of temperatures inside and outside your attic. Firestat safety feature shuts fan off at 183F Controls up to three units, not to exceed 10 amps..
PROGRAMMABLE THERMOSTAT WARRANTY: This thermostat provides 10 years of warranty. It is of opening size 4.8 x 2.5 x 4.8 inches.

HIGH-QUALITY FAN: Quiet, energy efficient exhaust fan operates with 80 CFM and 0.7 Sones to help control air quality is powerful enough for rooms....
EFFICIENT: Powerful ventilation removes in most full baths at 80 CFM, so your surroundings will always be comfortable.
EASY INSTALLATION: Easy to install new/replace existing product with retrofit installations that can be done entirely from the room-side – no attic....
RELIABLE PERFORMANCE: With our TrueSeal Damper Technology, fans reduce air leakage by up to 50% compared to competitive models, resulting in better....
THREE YEAR LIMITED WARRANTY: Backed by a three year limited warranty for your convenience.

...he operation of the fan based on user selected temperature and humidity levels..
ADJUSTABLE DUOSTAT: This item is often called a Duostat and is an essential tool for homeowners to regulate the temperature and humidity levels while preventing their power attic ventilator from running in continuous operation mode.
ENERGY EFFICIENT POWER ATTIC VENTILATOR: It provides energy-efficient operation of power attic ventilators and the temperature ranges from 50°F to 120°F..
DUAL HUMIDITY CONTROL: Adjustable Thermostat and Humidistat Control has 10 Amps, 120 Volts AC. Thermostat setting adjusts from 60 - 120 degrees F (normal settings are 85 - 110 degrees F). Humidistat setting adjusts from 30 - 90% (normal settings are 60 - 70% depending on local humidity levels). If either setting is too low, fan will run continuously. If setting is too high, ventilation will be inadequate. It has limited lifetime warranty..
REMOVAL OF HEAT: The Duostat allows for worry free operation during both winter and summer months by allowing the homeowner to not manually turn on and off their attic fan when needed. It removes excess heat from an attic in summer and humidity in winter and allows equalization of inside and outside attic temperatures.

110 CFM reduces humidity to quickly eliminate fogged mirrors and manage moisture in bathrooms up to 105 square feet.
Retrofit installations can be done entirely from the room-side – no attic access required.
With our true seal damper technology, invent fans reduce air leakage by up to 50% compared to competitive models.
Ezduct connector can be installed room-side with no attic access required, fan housing connection have never been easier.
Includes 11 watt, 3000K, integrated LED module for energy efficiency.

...ors used in CentricAir systems consist of a German engineered, acoustically designed, precision balanced, 5-blade system, made of composite materials and wing tip design for a remarkably quiet operation (see video). Also included is acoustical ductwork which further contributes to the whisper quiet operation..
ULTRA ENERGY EFFICIENT AND BUILT TO LAST. The German made fan motor is rated for 40,000 hours of operation and provides 30% more power and uses 1/3 less energy than other industry standard fans. It uses 382 WATTS of power and comes with a 15-year fan motor warranty..
The R-5 gravity damper is designed to seal off the attic from the living space whenever the system is not in use..
The CentricAir 3.4 whole house fans deliver a powerful (3242 CFM HVI-916 Certified Rating) and requires about four square feet of attic ventilation. When comparing CFM ratings always ask for the HVI-916 certified airflow rating. All other CFM ratings are whatever the manufacturer makes up..

A whole house attic fan designed to cool and ventilate entire homes by exhausting hot air from indoor spaces..
10-speed wireless controller with backup memory remotely adjusts fan speed and optimizes airflow..
Utilizes a PWM-controlled EC motor that results in quieter and more energy-efficient fans than most others..
Features 2-door shutters with damper that blocks attic air from entering living spaces when fan is not in use..
Duct Size: 12” | Dimensions: 12.3 x 17.7 x 14.1 in. | Airflow: 1604 CFM | Noise: 62 dBA | Bearings: Dual Ball.

A whole house attic fan designed to cool and ventilate entire homes by exhausting hot air from indoor spaces..
10-speed wireless controller with backup memory remotely adjusts fan speed and optimizes airflow..
Utilizes a PWM-controlled EC motor that results in quieter and more energy-efficient fans than most others..
Features 2-door shutters with damper that blocks attic air from entering living spaces when fan is not in use..
Duct Size: 10” | Dimensions: 9.8 x 15.2 x 11.3 in. | Airflow: 1201 CFM | Noise: 48 dBA | Bearings: Dual Ball.

A whole house attic fan designed to cool and ventilate entire homes by exhausting hot air from indoor spaces..
Smart digital controller with temperature and humidity trigger programming, fan speed control, timers, and alarms..
Utilizes a PWM-controlled EC motor that results in quieter and more energy-efficient fans than most others..
Features 2-door shutters with damper that blocks attic air from entering living spaces when fan is not in use..
Duct Size: 10” | Dimensions: 9.8 x 15.2 x 11.3 in. | Airflow: 1201 CFM | Noise: 48 dBA | Bearings: Dual Ball.

A whole house attic fan designed to cool and ventilate entire homes by exhausting hot air from indoor spaces..
Smart digital controller with temperature and humidity trigger programming, fan speed control, timers, and alarms..
Utilizes a PWM-controlled EC motor that results in quieter and more energy-efficient fans than most others..
Features 2-door shutters with damper that blocks attic air from entering living spaces when fan is not in use..
Duct Size: 12” | Dimensions: 12.3 x 17.7 x 14.1 in. | Airflow: 1604 CFM | Noise: 62 dBA | Bearings: Dual Ball.