An air conditioning filter is designed to keep dust and debris out of the air, as the air conditioner blows cold air into a room. A clogged or dirty AC filter cannot properly cool a room. For proper operation, the AC filter must be inspected regularly during peak seasons, at the end of a peak season and after an off season.

If you or someone in your family suffers from allergies, unexplained respiratory problems or if you just want to make sure that your home air is safe, there are several methods that can be used to test home air quality. Mold, dust, radon, mildew and airborne pathogens are actually quite plentiful and can adversely affect your health. It is vital to make sure that your home's air is safe to breath.

The Comfort-Aire BHD-651-G portable dehumidifier can remove up to 65 pints of moisture from the air in your home each day it is used. The Energy Star-rated appliance features an electronic control panel, automatic defrost and a slide-out filter for ease of cleaning. If the air in your room or enclosure that contains the dehumidifier isn't dry enough or the machine experiences other problems, troubleshoot it to diagnose and repair the issue.

According to the Environmental Protection Agency, indoor air pollution is one of the top five risks to environmental health. While outdoor air ventilation is recommended as the primary way to reduce indoor pollutants, an indoor air filtering device is also useful for removing unwanted particles. Here are some things to consider when choosing a filter, as well as some tips to care for an existing filter properly.

Whole house backup generators can be useful to have if you live in an area prone to power outages. They operate using either propane -- sometimes called liquid petroleum gas (LPG) -- or gasoline. Both fuels are delivered and stored on site. LPG has advantages over gasoline in that it doesn't go bad. Most local authorities in the U.S. will require final hookups to be made by a licensed electrician, but you can install the parts.