Most of us know we need to change our furnace air filter every few months, but do you know if you have the right kind of air filter? Knowing what size filter you need is only have the battle (look at the one that’s already in place). There are other decisions you need to make when picking a furnace air filter.
RepairClinic.com wants to make sure you’ve got the right air filter for your furnace – it can save you both time and money. Here are a few things to think about before you purchase your next filter:
MERV means Minimum Efficiency Reporting Values, and it rates an air filter’s energy efficiency on a scale of 1-20. The rating is based on how well the filter removes air particles and resists airflow as well as the filter’s expected operating life.
Type of Filter
There are four main types of furnace air filter to choose from:
So you can more easily weigh your options, here’s a breakdown of the pros and cons of each, as well as the MERV score and average cost:
Whichever furnace air filter you choose to buy, the important thing to remember is to change it every two to three months for the best air quality. You can find other tips on our Furnace Repair Help.