Spring will be here before you know it. Among other things, that means preparing your HVAC system for warmer weather. Since there is more to this than simply turning down the heat and turning up the AC, here’s a checklist of ways to prepare your heating and cooling system for the spring.

Change Your Air Filter

You should at the very least check your air filter every month to see if it needs to be changed. After running your heat throughout the winter, your filters probably need to be changed more often, so take the time to do that if …