[[https://gitea.micro-stack.org/ettag011787546|HVAC]] systems keep homes comfortable by moving air through filters, coils, ductwork and vents while controlling temperature and, in some cases, humidity. When a system starts showing warning signs, early action can reduce downtime and prevent additional damage.(Image: [[https://images.squarespace-cdn.com/content/v1/5fdbfc63eeb0d96bf9fb0833/22a5deee-6e0a-41f9-8dd1-ae4c1f001c2e/Forced+Air+Duct+System.png|https://images.squarespace-cdn.com/content/v1/5fdbfc63eeb0d96bf9fb0833/22a5deee-6e0a-41f9-8dd1-ae4c1f001c2e/Forced+Air+Duct+System.png]]) Common [[https://www.wired.com/search/?q=symptoms|symptoms]] include weak airflow, uneven temperatures, warm air during cooling mode, frequent cycling, [[https://www.news24.com/news24/search?query=unusual%20noises|unusual noises]] or water around the indoor unit

(Image: [[https://a.mktgcdn.com/p/95ZUDTNA_Cupkdmh-pjbZcOEcRogSmrU1hNDcMiX-2U/1050x590.jpg|https://a.mktgcdn.com/p/95ZUDTNA_Cupkdmh-pjbZcOEcRogSmrU1hNDcMiX-2U/1050x590.jpg]])