During extremely cold or hot seasons, your HVAC system works harder to keep the temperatures in your home comfortable. This results in higher energy bills as your system tries to cool or heat different rooms in your house. In an effort to lower these utility bills, most people apply different techniques in the hopes of reducing the amount of energy their HVAC systems use when air conditioning their homes. One such technique is closing bedroom doors when running HVAC systems. The idea here is to reduce the amount of air running in and out of these rooms, giving the HVAC unit a break from air conditioning rooms when they are not being used. This is however very far from the truth. Locking rooms to improve energy efficiency when operating HVAC systems does more damage than it does good. When doors are locked, pressure starts to build inside and then escapes from crevices in the walls […]