Stay­ing com­fort­able, year-round

Matamata Chronicle - - Advertising Feature -

Con­trol­ling mois­ture and ven­ti­la­tion is es­sen­tial to cre­at­ing the right at­mos­phere for health and com­fort.

It is also ab­sorbed into fab­rics and build­ing ma­te­ri­als.

The prob­lem with this mois­ture build-up is that it can cause mould and mildew on walls and fab­rics, which is not only un­sightly, but can trig­ger al­ler­gies.

For ex­am­ple, dust mites – the source of one of the most pow­er­ful bi­o­log­i­cal al­ler­gens – thrive in damp con­di­tions.

If you are build­ing a new house, there are a num­ber of chem­i­cals and resins present in many build­ing ma­te­ri­als which con­tinue to leak into the in­door at­mos­phere for many months af­ter you move in.

This can be man­aged with good ven­ti­la­tion.

The op­tions for man­ag­ing mois­ture are: Good ven­ti­la­tion. Win­dow joinery with built-in drains – that al­low con­den­sa­tion to drain to the out­side.

Keep­ing the house warm and dry through heat­ing.

Ex­trac­tion fans in bath­rooms and kitchens.

Good in­su­la­tion to keep the home warm and re­duce con­den­sa­tion and mould growth. from the in­door air.

As the stale air is re­moved from the house it passes through a heat ex­changer pre­heat­ing the out­door clean air.

Some heat loss is ex­pe­ri­enced which needs to be made up.

Forced air ven­ti­la­tion blows dry air into your house from the roof space above the ceil­ing.

It works best where there is a de­cent amount of space in the roof. It must also be dry and prefer­ably warm on sunny win­ter days.

Ex­trac­tor fans are used in places like the kitchen and bath­rooms to re­move steam.

Keep­ing cool in sum­mer

Keep­ing a house cool in sum­mer is also an im­por­tant con­sid­er­a­tion.

Mea­sures to con­trol over­heat­ing in­clude:

Con­trol­ling heat from the sun by re­duc­ing win­dow ar­eas or us­ing tinted or re­flec­tive glaz­ing, and shad­ing.

In­creas­ing ven­ti­la­tion – cross­flow ven­ti­la­tion, ex­trac­tor fans and ceil­ing fans and pas­sive vents.

In­creas­ing in­su­la­tion, es­pe­cially in roofs.

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