3 retro­fit al­ter­na­tives to dou­ble glaz­ing

A good heat­ing source is key, but the big­gest prob­lem in many of our homes is warm air es­cap­ing faster than you can make it.

NZ Lifestyle Block - - FEATURE - Source: En­er­gy­wise, www.en­er­gy­wise.govt.nz

When you’re choos­ing the right heat­ing for your home there are sev­eral fac­tors you need to con­sider, in­clud­ing the amount of heat­ing you need, the run­ning costs and the en­vi­ron­men­tal im­pacts of the dif­fer­ent op­tions. Good in­su­la­tion is im­por­tant be­cause it will mean you can buy a smaller heat­ing sys­tem, and run­ning it will cost you less. But if you al­ready have well in­su­lated ceil­ings, floors and walls, a lot of your home’s heat will es­cape through win­dows in­stead.

While good qual­ity cur­tains and blinds do stop heat from es­cap­ing, they’re nowhere near as ef­fi­cient as dou­ble glaz­ing, now a stan­dard fea­ture of all new homes built in NZ. For older homes, there’s also the op­tion of sec­ondary glaz­ing and DIY win­dow in­su­la­tion kits which can re­duce heat loss through glaz­ing by up to 60%.

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