What should be your decision be for an HVAC company when a customer receives is charged without receipt, then receives in writing from an employee of the company (Peak Cheating and Cooling - see below

My furnace had been off for 12 hours when I made the appointment the person taking the appointment knew this. I had been scheduled on Sunday at 8am to 10 am by that time the furnace had been out for 3

this is the second time my heat went the winter today is January 20 and it's 7° and I'm heat went off at 9 o'clock Monday today is Tuesday 9:15 in the morning. This is the worst company in the world a