Here’s a helpful checklist of things to do around the house, according to season:

JANUARY/FEBRUARY

• Clean or replace furnace filter
• Check/clean heat recovery ventilator; wash or replace filter
• Clean humidifier
• Clean range hood filter
• Check basement floor drain

MARCH/APRIL

• Clean or replace furnace filter
• Check/clean heat recovery ventilator; wash or replace filter
• Clean humidifier
• Check sump pump
• Check gutters and downspouts and clean if needed
• Inspect air conditioning; service as needed (usually every two or three years)
• Inspect basement or crawl space for signs of seepage/leakage
• Ensure that ground slopes away from foundation wall

MAY/JUNE

• Clean windows, screens and hardware; install screens
• Check that air intake and exhausts are clear of debris, nests, etc.
• Clean range hood filter
• Undertake spring landscape maintenance; fertilize young trees

JULY/AUGUST

• Air out damp basements on dry days or use dehumidifier
• For central air conditioning, clean filter in air handling unit
• Check exterior finishes
• Check exterior wood for deterioration
• Check caulking and weatherstripping, including around entry door from garage and house
• Check basement floor drain trap; replenish if needed
• Have furnace/heating system serviced (every two years for an electric furnace)

SEPTEMBER/OCTOBER

• Check fireplace and chimney; service or clean if needed
• Clean range hood filter
• Clean leaves out of eavestroughs
• Check roofing and flashing for signs of wear or damage
• Close windows, skylights
• Winterize landscaping

NOVEMBER/DECEMBER

• Clean or replace furnace filter
• Check or clean heat recovery ventilator; wash or replace filter
• Clean humidifier
• Check exhaust fans