Alina Bradford has been writing how-tos, tech articles and more for almost two decades. She currently writes for CNET's Smart Home Section, MTVNews' tech section and for Live Science's reference ...

Q. This week: Our old house has cold floors. In particular, the kitchen floor, which consists of tongue and groove maple flooring nailed over the floor joists, is freezing in the winter. Is there a ...

Q:Our Mill Valley house was built in 1957 and was not insulated. Every time a wall is opened up, we add insulation. Some say it would be a good idea to insulate the floor of our house. There is a ...

Q: We recently had an energy audit of our 2009 home because our utility bills seem to grow each year. In addition to sealing some areas the insulators missed, the auditor pointed out that the floor ...