How to choose AC filters

How well your central heating and cooling system cleans the air largely depends on the quality of your air conditioner filters, and that's why home improvement expert Danny Lipford of "Today's Homeowner" wants to help you find the best out there. Lipford says that filters are rated from 1 to 16 on the Minimum Efficiency Reporting Value (MERV) scale. The MERV scale is based on the percentage of particles, from […]