How long home systems last
Everything in a house wears out eventually. These are typical lifespans for common systems and appliances, and the signs one is nearing the end, so you can save before it's urgent.
| System | Typical lifespan | Signs it's wearing out |
|---|---|---|
| Asphalt shingle roof | 20 to 30 years | Curling or missing shingles, granules in gutters, ceiling stains |
| Gas furnace | 15 to 20 years | Rising energy bills, frequent repairs, uneven heating |
| Central air conditioner | 10 to 15 years | Weak cooling, frequent repairs, high bills |
| Heat pump | 10 to 15 years | Struggles in cold weather, frequent repairs |
| Tank water heater | 8 to 12 years | Rust-colored water, rumbling, leaks at the base |
| Tankless water heater | 15 to 20 years | Fluctuating temperature, error codes |
| Refrigerator | 10 to 15 years | Not keeping cold, loud running, frost buildup |
| Dishwasher | 8 to 12 years | Dishes not clean, leaks, rust inside |
| Washing machine | 10 to 14 years | Leaks, shaking, not draining |
| Clothes dryer | 10 to 15 years | Clothes take longer to dry, overheating |
| Garbage disposal | 8 to 15 years | Jams, leaks, humming without turning |
| Exterior paint | 5 to 10 years | Peeling, cracking, fading |
| Wood deck | 10 to 20 years | Soft or rotting boards, loose railings |
| Window caulk and weatherstripping | 5 to 10 years | Drafts, cracks, gaps |
Typical ranges only. Actual lifespans depend on quality, installation, climate, use and maintenance. Follow manufacturer guidance and have fuel-burning appliances checked by qualified technicians.
Make things last longer
Filters
Check HVAC filters monthly.
Tune-ups
Service heating and cooling yearly.
Water
Keep gutters clear and fix small leaks fast.
Records
Note install dates so nothing surprises you.
Read save for repairs and repair or replace?, or set a budget with the maintenance budget calculator.