Q: The oven of my gas range takes a really long time to preheat. Sometimes, I’ll leave it on for an hour and it doesn’t heat up at all. Is it unsafe to do that and what could be wrong with my oven? A: ...

Many people are understandably squeamish about problems with their gas appliances. The only things worse than not having your souffle ready on time is (or at least might be) exploding your home or ...