Power Vent Attic Energy Savings

Solar powered attic fans offer a potential alternative to electrically powered attic.

Power vent attic energy savings.

The energy expenditure of powered attic ventilation fans also needs considering as such fans consume more energy than they save in homes without proper insulation although they may still address moisture issues and prevent rising heat from damaging roofs. Attics are designed to passively vent hot air in summer driven by the principle that warm air rises. In terms of exhaust there is a range of options available. Power vents have built in thermostats that automatically turn the fan on when the temperature gets too hot.

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 on the other the florida solar energy center university of central florida found that attics with nominal natural ventilation and r 19 ceiling insulation do not. Energy savings at home advice tools resources and inspiration to help you save energy. Power vents sometimes called pavs resemble box vents but they have an electric or solar powered fan within that help to draw moisture and hot air out of the attic. In some cases it s reasonable to believe that an attic power ventilator can increase your utility bill by forcing the a c to work harder to replace the outgoing air.

At first it may seem odd to add insulation for warmth and then purposely allow cold air to enter the attic through vents but this combination is the key to a durable and energy efficient home. Electric powered attic vents use a thermostat to fight heat and a humidistat control to help prevent moisture buildup inside the attic. The 1500 cfm high efficiency power fan utilizes an electronically commutated motor ecm. The most common include.

About attic ventilation natural attic ventilation. Roof vents and power roof vents are made to work in conjunction with vented soffits so that outside air will replace superheated attic air during hot summer days. Of course you try to make the attic scuttle hole use air tight trim on your ceiling cans but it would be foolish to ignore the benefits of a reasonably powered attic fan working in. Attic vents are necessary for creating a circulation flow of air within the attic.

Although the most popular choice for most of our customers is solar vents we do offer power vents as well. Using mechanical or power ventilation is more reliable and effective in making your attic cooler in summer and saving on air conditioning costs.