Q–The buzzword in my area of new roof and reroofing jobs is ridge and soffit ventilation. I don’t remember seeing any of these products on the houses I grew up in. Are they really necessary? What ...

Attic fans promise cooler upstairs rooms and a lighter load on your air conditioner, but if your roof vents are not set up ...

Add Yahoo as a preferred source to see more of our stories on Google. Proper attic insulation is a game-changer for regulating home temperature and reducing energy bills. When soffit venting isn't ...

A. I always turn to Joseph Lstiburek, founding principal of Building Science Corp., for guidance on ventilation and insulation issues. “Doc L.” (he has a doctorate of philosophy in building science) ...

Q: My house has soffit vents on the eaves, gable vents on each end of the house and a ridge vent. I live in North Carolina. Is this too much ventilation? Also, should the vents to the crawl space be ...

Moisture problems in a house rarely start with a dramatic leak. More often, they creep in quietly when warm indoor air is trapped in the wrong place and has no clean way out. The most damaging mistake ...

Q: Even though we have done a good deal of work to increase energy efficiency in our 1960 split-level home in San Carlos, we are having a difficult time keeping the warm air inside the house during ...