other to central AC system condenser units, due to the fact window-mounted air conditioners aren’t on the bottom.With thicker oil flowing far more little by little than thinner oil, the amount of time it requires for a sample to stream with the take a look at hole is documented to determine the viscosity number, and that is created in SSU (Saybolt Seconds Common) or maybe the metric unit poise.A filthy system or malfunctioning factors force other the system to exert much more energy in achieving the specified temperature, leading to greater Electrical power use.