Q: My furnace is in my attic, and I recently had insulation blown in. Ever since, the air-combustion vent on my furnace is sweating and causes the ceiling to get wet. How do I stop the condensation?

The design of gas vent pipes and connectors for furnaces, water heaters, boilers, and other fossil-fuel appliances is a serious matter. Carbon monoxide poisoning, collapsing chimneys, fire hazards, ...

Beads of water trickling down your windows first thing in the morning is a common frustration during the colder months. Left untreated, this condensation can soon cause mould and damp around your ...