Summer Home Maintenance Checklist — Washington, District of Columbia

Check the filter monthly and replace when dirty. A clogged filter increases energy bills 5–15%.

Disconnect the vent and remove lint buildup. A clogged dryer vent is a fire hazard.

Inspect foundation, soffits, and roof for gaps. Seal with caulk, steel wool, or expanding foam.

Hold a lit incense stick near windows and doors — smoke movement indicates air leaks.

Clean refrigerator coils, run dishwasher cleaner, clean oven, descale coffee maker.

Adjust sprinkler heads, check for leaks, ensure proper coverage. Water deeply but infrequently.

Test auto-reverse by placing a 2x4 under the door. Check photo-eye sensors are aligned.

Check that soffit vents are clear and ridge or attic fan is working. Proper ventilation prevents heat buildup.