Try to make ventilation a part of your daily routine. Here’s a simple checklist for ventilating your home.
Air your house a few times a day with wide open doors and windows to create a cross-draught - even in winter. This will quickly replace stale indoor air with fresh outdoor air, and remove moisture from your home.
Ventilating your bedroom overnight is also important for a better sleep by maintaining air quality, reducing excessive moisture and the risk of mould growth. Keep a window slightly ajar - a finger’s width should be enough in winter. Use security stays, bolts or latches for your peace of mind. During cold winter nights, use an electric heater on a low thermostat setting in your bedroom.
To avoid condensation problems, ventilate when you turn off the heating, for example before you leave the house in the morning and just before you go to bed.
Use extractor fans that vent to the outside in your bathroom, kitchen and laundry. Fans should not vent into your ceiling space. Make sure extractor fans are:
Visit here for the Energy Efficiency and Conservation Authority's advice on Home ventilation systems