site here or improper managing contributed to any opportunity issues with your unit.Imagine this as anything at all that's not perfect, normal working conditions. Look at the wording of your warranty To make sure about these exclusions.Modifying or altering your HVAC system with out prior approval from your maker can invalidate the warranty.Home warranties also never limit protection to new systems — most home warranty ideas extend coverage to more mature homes, even if your HVAC unit was installed by an unfamiliar technician.Find see page out everything you need to know about HVAC warranties And the way they could secure your expense. Find the best coverage for your HVAC system.Keeping records of maintenance actions can be effective just in case you need to have to produce a warranty declare.