Gutters and downspouts – Clean out (more frequently if necessary); inspect and repair weaknesses; check for proper drainage and repair if necessary.
Chimney/stovepipe – Clean flue (more frequently if needed); repair any cracks in flue or any loose or crumbling mortar; check gasket on woodstove, and replace if necessary.
Siding – Inspect and clean siding. Repair if necessary; check joints between wood and masonry.
Exterior caulking – Inspect caulking.
Storm windows and doors – Replace any cracked or broken glass, tighten or repair any loose or damaged frames and repaint if necessary; replace broken, worn, or missing hardware; tighten and lubricate door hinges and closers; check for broken or missing glazing.
Window and door weather-stripping – Inspect and repair, or replace if deteriorating or missing.
Drain-waste and vent system – Flush out system.
Hot-water heating system – Lubricate pump and motor; bleed air from radiators or convectors.
Forced warm-air heating system – Vacuum heat exchanger surfaces; clean and lubricate blower blades and motor; check fan belt tension and adjust if necessary; replace cracked or worn belt, check for leaks and repair if necessary.
Gas burner – Clean burners and ports.
Oil burner – Have professionally serviced; lubricate fan and motor bearings.
Thermostat – Clean heat sensor, contact points, and contacts; check accuracy and replace if necessary.
Garage Doors – Clean and lubricate hinges, rollers, and tracks; tighten screws.
Foundation – Check grading for proper slope away from foundation wall.
Trees – Trim back all tree limbs and vegetation away from roof.
Heating – For steam heating, check shut-off valve for leaks and drain lower water cut-off per manufacturer’s instructions.
Roof – Inspect roof surface, flashing, eaves, and soffits; repair if necessary.