How to clean your fridge’s evaporative coils: If you have a fridge that has coils on the back of your unit, you will have to push your unit away from the wall to clean them. The fridge that we will demonstrate on today has evaporative coils on the bottom of the unit. 1. Unplug the fridge (or turn off its circuit). Turn-off-the-Fridge 2. Remove the panel on the front of the fridge. 3. Using a angled vacuum hose, gently vacuum the evaporative coils. Start with the front part of the coils. Vacuum the front of the top and bottom evaporative coils. Next, move your vacuum into the back of the coils, getting the side. You can see in this fridge, you couldn't even see the coils until the dirt was taken off of them. click here to download leadpages 4. Replace the front panel. 5. Turn the fridge back on.