High Temperature Cut Out For Attic Fan

Each fan comes with a built in humidistat and thermostat.

High temperature cut out for attic fan.

However the utility of attic ventilation fans is actually quite a controversial topic. If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals. Do you really need an attic fan. In most cases attic fans are used to cool the attic.

Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic. The cooling load for a home air conditioner depends on the difference in temperature between the inside and outside air and reduction of attic temperatures from 155 degrees to 105 degrees f will result in a significant reduction in cooling load. Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit. Our stylish powder coated steel 30 watt fan will effectively ventilate up to 2500 sq.

Attic fans that operate with a thermostat usually automatically turn on the fan based on the temperature that the homeowner sets. These images came from a presentation danny parker gave pdf on fsec s cool roof research the third graph shows attic temperatures from the middle of the attic for several different types of roofing as well as a sealed attic. When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees. This is the least expensive high quality fan feature for feature available.

Of attic space at up to 1550 cfm. In particularly hot climates set the temperature higher to keep the fan from running for extended periods of time. However more often than not. Good insulation reduces fan effectiveness.

The white roof lowered the attic temperature by about 20 f. On one hand the national renewable energy laboratory said attic ventilation reduces attic temperature 10 to 25 degrees and slows the transfer of heat into the living space. The result is a cooler attic space with plenty of air exchange. If it s 90 degrees outside the attic temperatures shouldn t exceed 110 according to home inspector jamison brown of amerispec home inspection services in poquoson.

Manufacturers and contractors suggest that you set the temperature setting between 100 and 110 degrees f.