Your Electric Bill Doubled and Your HVAC Looks Fine — Here's Why
You check the thermostat. It reads 72. The air feels cool. The system isn't making weird noises. Everything seems fine — except your electric bill just doubled, and you're pretty sure your HVAC didn't suddenly start consuming energy like a small factory.
Here's what's actually happening: three specific failures can drain your wallet without making a sound. Your system runs longer, works...