That banging sound coming from your heater at 2 AM isn't just annoying, it might be a warning sign you shouldn't ignore. Most homeowners hear these noises and figure they'll deal with it later, but some sounds mean your system is about to fail completely. A loud bang could be anything from loose ductwork to a cracked heat exchanger, which can leak carbon monoxide into your home. Before you decide to wait it out, know that calling an HVAC Contractor Patterson CA right away could save you from a full system replacement. If you're searching for a Heating and Cooling Contractor near me at midnight, you've probably already waited too long. Air Techs Mechanical Inc : https://www.google.com/maps?cid=2534269303077503431 Read the full story : https://mushlovesocial.com/blogs/279766/That-Banging-Sound-From-Your-Heater-Wait-or-Call-Right