Start with system age, maintenance history, and symptoms. If major repairs approach a meaningful fraction of replacement and efficiency is lagging, compare new options, warranties, and [[https://storage.googleapis.com/tuck-howell-plumbing-heating-air/duncan-hvac-plumbing-services/blog/finding-a-reliable-hvac-company-in-duncan-for-complete-home-comfort.html|Tuck & Howell – AC Repair Duncan]] operating costs. For drains, use traps/cleanouts and mechanical methods before chemicals. To boost heat-pump efficiency, keep filters clean, seal ducts, set moderate setpoints, and schedule tune-ups.(Image: [[https://s3-media0.fl.yelpcdn.com/bphoto/X5zcXhVr972zsV3PRB9PjA/1000s.jpg|https://s3-media0.fl.yelpcdn.com/bphoto/X5zcXhVr972zsV3PRB9PjA/1000s.jpg]]) see our services