You expect to see algae growing in ponds, on rocks and in places where moisture is in abundance. But you don't expect to see algae growing on your air conditioner's indoor evaporator coil. As it turns out, the environment underneath your A/C's plenum is just perfect for algae spores to flourish. The last thing you need is for algae buildup to bring your A/C's performance to a standstill, especially as you gear up to tackle the summer heat.
9 March 2015