June home maintenance checklist
Updated August 2026
Ten tasks, and the one that saves a ceiling is flushing the AC condensate drain line before summer humidity turns the drain pan into an algae farm. The rest of June is early-summer housekeeping: refrigerator coils, wasp nests, irrigation heads, and the air leaks quietly letting your cooling out around the window frames.
| Task | Interval | Effort |
|---|---|---|
| Flush the condensate drain line with vinegar | Every 1–3 months | 15 min · DIY |
| Change the HVAC filter | Every 1–3 months | 10 min · DIY |
| Clear insulation off the attic soffit vents | Yearly | 30 min · DIY |
| Task | Interval | Effort |
|---|---|---|
| Vacuum the refrigerator condenser coils | Every 6–12 months | 20 min · DIY |
| Seal air leaks at window and door frames | Yearly | 1 hr · $8–15 in caulk |
| Inspect washing machine supply hoses | Every 5 years | 10 min · $15–30 pair |
| Task | Interval | Effort |
|---|---|---|
| Knock down wasp nests while they are small | Monthly in summer | 15 min · DIY |
| Open and balance the pool | Every spring | Half day or $250–500 |
| Run each zone and replace clipped heads | Monthly in season | $5–15 per head |
| Stop hose bib drips and replace split hose washers | Yearly | 10 min · under $5 |
Why these tasks in June
Heat load and moisture are the theme. A clogged condensate line is one of the most common summer service calls, and it fails in the worst possible way: the pan overflows into the ceiling below an attic air handler, turning a 15-minute chore into a $500–2,000 drywall repair. Refrigerator coils matter for the same efficiency reason, since a compressor fighting a blanket of dust in a warm kitchen runs longer cycles and dies sooner, and a replacement fridge is $700–2,000. Wasp nests get handled now because a June nest holds a few dozen insects and an August nest holds hundreds. Clear this list and the peak weeks ask almost nothing of you. If May got skipped, run the cooling performance check first.
This whole checklist ships as reminders in OnOtto: every task above, on the right schedule for your home, snooze-proof.
Load this checklist as remindersFrequently asked questions
How do I clear an AC condensate drain line?
Find the PVC access tee near the air handler, pull the cap, and pour in a cup of distilled white vinegar; repeat every one to three months through cooling season. For a line that is already blocked, hold a wet/dry vacuum against the outdoor termination for two minutes and pull the clog out from the far end. Skip bleach, which corrodes the metal pan over time. If the safety float switch keeps shutting the system down after a flush, the blockage sits in the pan and needs a technician.
How often should refrigerator coils be cleaned?
Every 6–12 months, or every 6 with shedding pets in the house. Unplug the fridge, pull the toe grille or the rear panel, and work an $8–15 coil brush and a vacuum through the fins. Dust behaves like insulation on a part whose entire job is shedding heat, so the compressor runs longer in an already warm kitchen. Cleaning coils is the cheapest single thing you can do to keep a $700–2,000 appliance from failing years early.
What is the safest way to remove a wasp nest?
Wait until after dark when the colony is home and sluggish, stand well back, and use a jet spray rated for 15–20 feet so you are never standing under the nest. Wear long sleeves and keep a clear exit path behind you. Knock the paper down the next morning once it is empty, because an abandoned comb attracts new queens. Anything inside a wall cavity or soffit is a different job: call an exterminator, usually $150–350, rather than sealing the entry and trapping them indoors.
Is it cheaper to leave the AC at one temperature all day?
No, that one is a myth with staying power. The U.S. Department of Energy puts the savings from setting the thermostat back 7–10°F for eight hours a day at around 10% a year on heating and cooling. A house gains heat in proportion to the indoor-outdoor difference, so letting it drift warmer while everyone is out simply means less heat leaks in. The exception is a heat pump in heating mode, where deep setbacks trigger expensive backup strip heat.