| Spring | Summer | Autumn | Winter |
|---|---|---|---|
| Air cleaner | Air cleaner | Air cleaner | Air cleaner |
| Air quality | Air conditioner | Air quality | Air quality |
| Attic | Air quality | Auxiliary heaters | Boiler |
| Attic weather stripping | Batteries | Back water valve | Cabinet |
| Auxiliary heaters | Caulking | Bathroom exhaust fan | Caulking |
| Caulk/grout | Central vacuum | Blinds | Central vacuum |
| Central vacuum | Chimney | Boiler | Concrete slab |
| Building envelope | Decalcify | Central vacuum | Countertop |
| Decalcify | Deck | Decalcify | Crawlspace |
| Dish washer seals | Deck doors | Door/window frames | Decalcify |
| Dryer vent | Down spouts | Doors | Drains |
| Exterior caulking | Driveway | Duct work | Envelope seal |
| Fire hazards | Eavestrough | Envelope seal | Exhaust fans |
| Furnace | Exterior lighting | Fire hazards | Fire hazards |
| Furnace filter | Exterior stairs / railing / decks | Fireplace | Foundation |
| Garden hose | Exterior weather stripping | Furnace | Furnace |
| GFCI | Fences | Furnace filter | Furnace filter |
| Humidifier | Fire hazards | Gas leaks | Garden hose |
| Kitchen exhaust fans | Flapper operation | GFCI | GFCI |
| Plumbing fixtures | Flashing | Grout | Hardware |
| Plumbing service lines | Foundation | Hardware | Ice damming |
| Refrigerator coils | Furnace filter | Hot water tank | Interior lighting |
| Smoke/fire/CO detectors | Gates | Humidifier | Interior rails/stairs |
| Sump pump | GFCI | Keyless openers | |
| Timers | Landscape | Hydronic | Plumbing fixtures |
| Washer discharge hose | Overhead doors | Interior finishing | Smoke/fire/CO detectors |
| Washer/dryer | Play structures | Kitchen exhaust fans | Timers |
| Waste disposal | Plumbing fixtures | Plumbing fixtures | Utility service lines |
| Water leaks | Pools/spas | Service lines | Washer discharge hose |
| Water lines | Retaining walls | Shut off valves | Water leaks |
| Roof | Smoke/fire/CO detectors | ||
| Screen doors | Sump pump | ||
| Siding | Timers | ||
| Skylights | Washer discharge hose | ||
| Smoke/fire/CO detectors | Water leaks | ||
| Soffits | Weep holes | ||
| Timers | Whole house fan | ||
| Utility service lines | Window seals | ||
| Washer discharge hose | Window weather stripping | ||
| Water faucets | Windows | ||
| Water leaks | |||
| Whirlybirds/vents | |||
| Window wells |
