And the extra heat is not just a summer concern: During winter, if hotter-than-outside attic air isn’t ventilated, it can create ice dams that cause interior leaks, mold, and roof damage.

Roof vents and ventilators are used to ventilate the attic or crawlspace of a building, circulating air for cooling, and moisture mitigation. More elaborate HVAC systems can use roof vents to ...

A ridge vent is a low-profile exhaust vent, typically made of hard plastic or metal, that runs along the peak of a sloped roof. Mesh-covered openings underneath let air out of the attic without ...

It prevents mildew growth and rot on your roof's framing and sheathing by reducing moisture buildup. It helps prevent ice ...

I am reroofing the house and have a question about roof venting. Most houses in the neighborhood have ridge vents on all their ridges. Some have electric vent fans, and one house has a fan powered ...

This vertical axis wind turbine (VAWT) uses five 3” PVC pipes cut in half for blades rotating on three kids bicycle wheels to spin an Ametek 38 volt motor or a wind blue alternator. The whole ...

An itemized list breaks down to the roofing material—shingles, shakes, tiles, etc—as well as the underlayment, new flashing, roof ridges and vents ... shingles and metal roofing, you ...

Complicated roof designs also increase the price, as features such as chimneys, vents, and skylights require extra time and labor to work around. In general, metal roofs are better suited to ...

It’s usually much easier just to throw a few panels and a battery together than it is to have a working turbine with many moving parts that need to be maintained when only a small amount of ...

Metal roofing costs an average of $17,522 to install on a 2,000-square-foot roof. Steel and aluminum roofs typically cost between $3 and $12 per square foot. Metal roofs often last longer than ...