Originally Posted by uavking

While you have a valid point, the comfort of our paying passengers should be paramount. If the temperature is creeping up down back due to ineffective PCA, start the APU. (Not to mention a safety issue if the heat is excessive) Saving the company notional nickels, or notional carbon credits, while your passengers and crew sweat and sit in stagnant air is absurd. Be a captain.

This is a customer service business in many respects. Your passengers will remember if they were treated poorly the next time they buy tickets, and every returning customer is vital in this environment.