official source Some HVAC installers present their own warranties that cover the labor cost of repairs during the warranty interval. This is often very important for the reason that labor is usually a big price if one thing goes Incorrect.It’s essential to ensure that your HVAC system is not simply rated nicely concerning SEER2 but additionally mounted and managed accurately to truly experience the benefits of the large SEER2 ranking.Here are some convey to-tale signs that your thermostat is malfunctioning and informative post needs being mounted or replaced: