OK, this is potentially a dumb question. On the outside of my house there are a couple of pvc pipes coming out. They have a 90° elbow attached to them and point at the ground. What are they for? There ...

PVC is considered a good option for mitigating the risk and is often used to comply with mandated safety regulations. In homes, PVC ductwork can allow a heating and cooling system to run beneath the ...

Polyvinyl chloride (PVC) is hailed as a wonder material, and, in many ways, it is. However, the possibilities are not endless. PVC has its limits, especially in HVAC applications. PVC sometimes makes ...