Temperature Controlled Roof Ventilators

Master flow 1250 cfm brown galvanized steel electric powered roof vent model pr2dbr 96 30 96 30.

Temperature controlled roof ventilators.

For the energy efficient control of roof or gable power attic ventilators. Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh. Roof ventilators provide cost effective general purpose ventilation of commercial buildings as well as a large variety of industrial applications. I don t know why so many people are so defensive about power attic ventilators but here are a few of the things they ve said to me in the comments.

Master flow 1250 cfm weathered wood galvanized steel electric powered attic fan with thermostat controlled model erv5ww view the master flow roof vents 93 00 93 00. In a hot climate roof vents expel hot air from the roof or attic while relieving the load on the air conditioning system. They are typically easier to install and won t detract from the appearance of your roof. The air vent unit measures 15 inches in diameter and it s outfitted with six blades which measure 14 inches in diameter.

Improve comfort keeps room at set temperature eliminate overheated and overcooled rooms save electricity oil or gas works with most forced air heating cooling systems. Humidity range from 30 to 90 percent. For well insulated ceilings i e. Roof ventilation in a cold climate vents moisture and ensures a cold roof temperature to avoid ice dams.

Temperature range from 50 to 120 degrees fahrenheit. Vent roofs with steeples towers or cupolas can be found in different buildings from barns to cathedrals. The egv5 power gable mount vent can move air at a rate of up to 1450 cu. Ventilation helps maintain a healthy attic space both for your roof and for your family.

Set your store to see local. The activent is a temperature controlled register vent cover that reduces heating and cooling costs by zoning your home. Power ventilators have the advantage of providing good ventilation even when there is no wind. They also provide limited attic temperature control when installed in conjunction with a thermostat.

Insulation levels of r 19 or above it is doubtful that a power ventilation can be justified economically. Click images to enlarge. Air vent s unit can effectively ventilate spaces up to 1 900 square feet and move air at 1320 cfm. They can quickly remove a larger volume of hot and or humid air from your attic compared to static ventilation which helps save money on your heating and cooling costs.

The building codes and building science for natural roof ventilation however only appeared in the 1940s.