Changing your home's air filter is a cheap, simple maintenance project that has a huge impact on a home's comfort, health, ...

Our recent article about energy-recovery ventilators (Ventilate Your Home with Minimal Energy Loss) stated that using a “true high-efficiency particulate air (HEPA) filter” in your forced-air heating ...

Did you know that your furnace filter needs to be regularly changed to ensure the appliance works properly? The frequency ...

Q: Can you tell me why it is so important to install the air conditioner filter in a certain direction? What harm, if any, does it do if it's backwards? My husband always puts it in backwards. — Nancy ...