While some people may think of furnace filters as nothing more than an air purifier, they are actually a necessary part of your heating setup. In fact, you should still use an air purifier if you're concerned about air quality.
Humidity becomes a larger concern during the cold winter months because you turn on the furnace to warm up. While this increases heat, the amount of moisture remains the same. Thus, relative humidity decreases, and you may notice familiar signs of lack of moisture.
All HVAC systems need proper filtration. To make sure that you get the right air filter for your system, you must understand MERV ratings.
When is the last time you thought about your indoor air quality? Due to the push for improved energy efficiency and lower utility bills, most modern homes are extremely airtight. This means that indoor and outdoor air do not merge unless a door or window is opened.
Your heating system is blowing cold air. It's starting to feel as cold inside as it is outside. If your furnace is blowing cold air, you could have one of several HVAC problems:
