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Tips for a warm, dry home this winter

There are many things people can do to stop their homes from being damp and cold.

As the winter months encroach, there is also a chance for an increase of cold, damp and mouldy properties.

People are being given the opportunity to learn how to help make it a healthier place to live.

BRANZ, the Home Performance Advisor Training Programme, Eco Design Advisor Service and Beacon Pathway have put together some best practice tips to help people keep their homes warm, dry and healthy, now and after lockdown ends.

Mark Jones, leader of the BRANZ Warmer, Drier, Healthier Homes research programme, says the BRANZ house condition surveys have provided evidence on the condition of our housing stock for over two decades.

"We know that although some progress has been made, a significant number of New Zealand homes still lack adequate insulation or heating and have issues with damp and mould."

Vicki Cowan, co-manager of the Home Performance Advisor Training Programme says there are key principles to maintaining a healthy living environment.

"Keep the heat in, let the sun in and turn on your heater. Keep moisture out and flush your house with fresh air daily.

"Think of your home as your car … you need to know how to ‘drive’ it efficiently and safely and keep it in good working order."

Tips for healthy homes

Keep heat in by covering windows, ideally with layered or lined curtains or blinds, and close them when it starts to get dark. People can also improvise with things like towels, blankets or duvets.

Any opening to the outside - e.g. a badly sealed window, a door with gaps, or an open disused chimney - will be letting heat out. Block up holes and draughts if possible, using rolled up old towels, or even newspapers.

Managing moisture

Showering, cooking, washing up and even breathing produce a lot of moisture and can lead to dampness and mould.

If available, always use rangehood and extractor fans in the kitchen and bathroom when cooking, showering or bathing. They should be run while people are cooking or washing, and for a good 10 minutes afterwards, to ensure the room is clear of moisture.

When cooking keep lids on pots and pans.

Opening a window wide also helps let the moisture out. Wipe up condensation daily and dry the cloth outside so that the moisture is out of the house.

Drying clothes indoors is another major source of moisture. It’s not always easy for people working away from home to hang washing outside so now’s the time to do it - see what difference it makes and create a new habit.

Ventilation

Lockdown means it’s even more important to give homes a good airing out. BRANZ research shows that opening a window or door wide for 10 minutes is far more effective than leaving a window open a tiny bit for a long time (which makes the house cold). A blast of fresh air twice a day will get rid of unwanted moisture.

Heating

As winter approaches, the need for heating will be greater.  Maintaining a healthy indoor temperature - at least 18C in any occupied areas of the home - is really important for our health. A warmer home is also less likely to have problems with moisture.

When it’s sunny, open curtains to let in that free heat.

Clean heat pump filters (makes them work better) and run heat pumps at 18-22C but no higher as they are less efficient (cost more) when run at high temperatures.

Use whatever heating sources are available except unflued gas heaters which release moisture and harmful gases into the home.

 

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