ENERGY EFFICIENCY OF MITSUBISHI AIR CON
MITSUBISHI SPLIT SYSTEM AIR CONDITIONING ENERGY EFFICIENCY RATING
SPLIT SYSTEM
ENERGY EFFICIENCY
Your power bill keeps rising and climbing towards the stars. Inflation is out of control and now the electricity suppliers are putting the pressure on by hiking charges. You could ring and complain but that won’t do you any good. You must manage your homes electricity consumption wisely or find yourselves out in the street. Turning the TV off at the wall when you go to work will help save 10c a month. You could reduce your shower time to 4 minutes a day, and that will save you another 25c over Winter. But neither of these stop gap methods will make any real difference. You need to get to the root of the problem. What’s chewing up all this power?
THE GROW ROOM CAN’T BE DRAWING 18kw A DAY ! OMG
A list of a homes most power hungry appliances is as follows :
Clothes Dryer $88 per year
Air Conditioner $110 per year
Pool pump / filter $2.31 per day* depending on tariff
Dishwasher $65 per year
The only appliance that doesn’t cost you money to use power is a Genuine SOnT Agro grow lux.
@ 2000w of SON-T Around $450 per quarter – off the top of 6 – 8lb @ $3k per lb = about $15k every 16weeks give or take
Sometimes younger folk ask why power cost so much. I remind them that the Greens forced us to close all our reliable, cheap power stations with lies about ‘climate change’. before that, Anna Bligh promised us cheaper power if she could just sell our national power assets to Israeli shelf corporations operating out of the Cayman Islands, which pay no tax. We knew she was lying, yet we let her make the sale and get kicked back later on.
And these people have the cheek to call themselves honourable. My local weed dealer has more honour and integrity than all our politicians combined. That business can be very unkind to people who cheat others.
MITSUBISHI AIRCON ENERGY EFFICIENCY
HOW DOES IT STACK UP AGAINST THE OTHER LEADING BRANDS?
KEEPING YOUR
POWER
BILLS DOWN
An area being cooled should be fairly well sealed. All windows and doors closed. Leaving your bedroom window open a smidge is not unheard of, but any more than an inch and you’re losing tens of litres of air per minute. Air that must be re-conditioned.
The Split system air conditioner needs to be correctly sized for the room its in. The importance of this cannot be over stated. A 5kw in an Australian open plan lounge / dining / kitchen will consume far more power than a 7kw in the same position. An 8kw will consume less again, but there is a limit to where the over sizing benefits improve efficiency. A 9kw would be far too large for that area and you would see no net benefit in efficiency.
Your air conditioning system needs to be installed in the right location. Though not as important as correct sizing, location does play a part. Unit must be the correct distance from the ceiling and side walls. The external unit cannot have any obstruction in front of the fan or it will short cycle, and reduce the output and lifespan of the system
Large glass windows or exposed areas to the western sun, can increase your power consumption. They affect temperature, which makes the unit work harder in effect. Every little aspect matters when calculating energy efficiency.
Clean the filters once per year minimum. In high traffic offices or work environments then every six months. Simply open the grille, remove the filter, and clean it. This will help maintain the energy efficiency as the system ages.
The ideal sleeping temperature is 18 – 22c. On the really hot 35+ days you’ll never get your bedroom to 18, leave it on 22 – 24c. The best temperature setting for energy efficiency is 22 – 24c
GOOD PLANNING CAN BOOST ENERGY EFFICIENCY
LOCATION AND EFFICIENCY
The air in the circle will rotate through the split many times per minute
Below is an example showing different placements of split. They’re all relatively the same in terms of ability to maintain the correct temperature. The air is circulated through the system many times per minute, regardless of it’s starting position in the room.
Positions marked A are optimal for the main system. Position B would only marginally trail A in terms of efficiency and circulation. The bedroom ones are all identical in terms of efficiency and air flow. It’s only a matter of where you think its best.
An area downstairs on a two story dwelling will take 25% less power to cool than the upstairs due to excellent protection from above.
A dwelling or shed with a tin roof will take 25% more power to cool than tiled roof with good insulation. If the tin is well insulated then add only 10%
We will always mount the external unit off the western wall of the structure. If that isn’t possible, some sort of shelter could be constructed. External machine parts are weatherproof and designed to last years in harsh Australian conditions. Mounting off the ground is always recommended.
SPLIT SYSTEM AIR CON RUNNING COSTS
AIR CONDITIONER
RUNNING COSTS
ENERGY EFFICIENCY OVER THE COURSE OF A YEAR
Energy efficiency is an important part of any appliance consideration today. Adjusting for electricity price rises we have estimated these costs at 0.28c per kilowatt hour. Currently most QLD households pay 24 – 28c on tariff 11. Air Conditioner energy efficiency cost chart is based on 300 hours use a year. As a general rule most AC get between 200 – 400 hours use a year. Mitsubishi have the lowest running costs of all air conditioners, and these images accurately represent what it will cost to run your machine, on a reasonable temperature setting, with little escaping air.
SMALL AIR CONDITIONERS CONSUMPTION?
A small bedroom air conditioner is by far the most common install we get in summer, most people find it hard to sleep in Brisbane during the summer months. The heat can be unbearable. These machines will keep your bedroom cool with not much effort at all. Our charts accurately represent what it will cost to run your machine, on a reasonable temperature setting, with little escaping air.
The energy efficiency running cost figures were calculated on Mitsubishi Heavy Avanti range of Split system air conditioners. The MHI are among the most efficient in the world. The running costs can be verified here. Lesser machines or units with a lower star rating will not achieve these figures. A poorly maintained or positioned Split Air Con will not achieve these figures. The examples above are an average system, in an average home. Doors and windows closed 95% of the time.
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