Inspecting the interior unit - Furnace with an evaportor coil

Inspect the overflow and condensate lines aren't blocked and the connection looks sound

Shut off the power to the condenser unit - remove the top grill to inspect inside

Remove debris on the outside 

Check refrigerant line

Clean the fins on the condenser / Vacuume 

Use special foaming solution cleaner

Rinse off and redo for extra clean

Turn Power Back On and switch thermostat to cooling mode to test cooling

Check vents 

Checked temperature differential by hold a thermometer up to a return vent.

Check the temperature at a supply vent.

Change Air Filters

Clean Air Supply and Return Registers

Turn Off unit - Wipe down the outside of the unit with a damp cloth to prevent dust from accumulating

Check outdoor portion of the vents 

Clean or replace filter

Wash down filter with proper solution

Rinse off and let dry before reinstalling

The pipes are an essential in emitting the cold or heat into your home, and they are the pathways between the outside and inside components of the machine. 

Clean the evaporator coils

Check condnsate lines are not blocked prior rinsing -Light rinse on coil cleaning 

Cean condenser outside from outdoor dirt and debris

While ductless air conditioners require less space than your average air conditioning system, they do work best if you give them plenty of unobstructed room to operate

When used for heating, ductless air conditioners can collect ice and snow, which can inhibit their ability to run efficiently

Check the outside of your machinery for accumulation