Test smoke and carbon monoxide detectors

Test GFCI outlets

Check fire extinguisher pressure gauges

Check automatic garage door safety

Clean or replace forced-air heating/cooling system filters

Keep leaves/shrubs/debris away from central air-conditioning unit

Partially drain hot water tank

Pour water into floor drains to keep traps full

Check for water leaks under plumbing and hot water heater fixtures

Clean stove exhaust filters

Inspect for signs of insects