OPEN-PLAN SPA­CES AND AIR­CON­DI­TIONED ROOMS

The Daily Telegraph (Sydney) - Home - - FOCUS - Pic­ture mit­subishi­elec­tric.com.au,

For heat­ing large ar­eas Mit­subishi Elec­tric na­tional prod­uct man­ager, Atesh Mani says a re­verse-cy­cle air­con­di­tioner is a sound choice, es­pe­cially for the hip pocket.

“A medium-sized re­verse-cy­cle air­con­di­tioner has an av­er­age hourly run­ning cost of 48 cents, mean­ing 500 hours costs around $238, whereas a medium gas heater’s cost will be about $300,” he says. Newer units are even bet­ter. “Air­con­di­tion­ing units made as re­cently as 2002 run up to 40 per cent less ef­fi­ciently than new mod­els,” he says. “Con­sumers can ex­pect this to con­tinue to im­prove as new devel­op­ments lead to even more ef­fi­cient ap­pli­ances.”

Open-plan liv­ing is another chal­lenge to heat­ing modern homes, but Atesh says tech­nol­ogy has an an­swer for that.

“This is where zone con­trol func­tion­al­ity can play a big part. Even the big­gest rooms will feel the ben­e­fit of hav­ing the rest of the house closed off and the warmth fun­nelled into one space,” he says, adding that some ducted sys­tems let you con­trol four to eight dif­fer­ent zones.

Keep in mind that for ev­ery ex­tra de­gree on the ther­mo­stat, your bill will rise about 10 per cent.

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