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Power Saving Centre Canberra
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"Our mission is to put our client's money back in their pockets through industry industry leading energy saving solutions".
"Our mission is to put our client's money back in their pockets through industry industry leading energy saving solutions".

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Thought we would repost our Solar FAQ here on G+.

WHAT IS A SOLAR HOT WATER SYSTEM?
A solar hot water system is essentially a ‘hybrid’ water heater. A solar hot water system utilises two types of energy to achieve a consistent stored water temperature of around 60 Degrees C.

A solar hot water system’s primary energy source is the heat gathered by the solar collectors and is supplemented with some form of purchase energy such as electricity or gas.

A solar hot water system is designed to obtain around 60-80% of its energy requirements from the sun with the balance generated from purchase energy.

WHAT ARE SOLAR COLLECTORS?
A solar collector is a device, designed into a panel arrangement which is then fixed to a frame or the roof of a building. They are called collectors because they are designed to collect heat energy by absorbing sunlight.

Solar collectors are different to solar power (PV) panels because in a solar hot water system collectors are used to transfer thermal energy to the fluid circulating through them.

Chromagen and The Power Saving Centre supply two types of high efficiency solar thermal collectors; 1) Flat plate collectors and 2) Evacuated tube collectors

WHAT IS BETTER – HAVING MY TANK ON THE ROOF, OR ON THE GROUND?
This really comes down to your personal preference and the design of your home. Ultimately both roof & ground-mounted systems provide you with energy efficient hot water and both can be either gas or electrically boosted.

Generally, systems installed with the tank at ground level (Split systems) provide your home with a level of aesthetics that some customers prefer, although if you have limited space at ground level and your roof is structurally strong enough, then a roof-mounted tank may be your preference (roof top thermosiphon system).

WHAT DOES ‘OPEN LOOP’ & ‘CLOSED LOOP MEAN’?
Essentially an ‘open loop’ system is heated by taking the water stored in the tank and passing it directly through the solar collectors, where it’s heated before returning to the tank. This system is widely used in most areas with generally good water quality and low frost risk areas.

A ‘closed loop’ system employs a heat exchanger either within, or surrounding the storage tank. A heat exchange fluid comprising a mixture of water and food grade glycol is passed through the solar collectors and the stored water is heated when the fluid passes through the heat exchanger. In these systems the heated fluid is separated from the tank water and does not mix. This type of system is the most common choice in harsh frost areas such as Canberra where the glycol solution prevents the fluid freezing.

WHAT’S A ‘BOOSTER’?
As a general rule of thumb, on a clear sunny day the solar component of your new solar water heater will generally raise the stored water temperature to around twice the ambient temperature of the day. Your ‘booster’, utilising either Gas or Electricity, ensures that the water delivered to your taps is always heated to a ‘useable’ temperature even on extremely cloudy days or in the middle of winter.

WILL MY SOLAR HOT WATER SYSTEM BE DAMAGED BY FREEZING CONDITIONS?
Chromagen’s range of ‘closed loop’ solar water heaters are so advanced they can be installed in all frost prone areas within Australia.

By utilising a food grade Propylene Glycol in a separate heat exchange circuit, a Chromagen solar water heater would continue to provide hot water in Australia’s snow fields in the middle of the coldest winter. As long as the correct model is selected for the area, your system can be operated at 40 degrees C below zero (with the correct Propylene Glycol ratio).

WILL MY SOLAR COLLECTORS BE DAMAGED BY HAIL OR STORMS?
Strict Australian Standards guidelines ensure that solar collectors sold in Australia are designed to withstand the ravages of our climate, including things like wind, rain and hail. All of Chromagen’s solar collectors undergo laboratory testing to ensure they comply with the latest standards. Glass breakage is not covered by the product warranty, so as a precaution, Chromagen recommends that the glass on your new solar collectors be covered by your household insurance.

HOW HOT WILL THE WATER GET?
As with all ‘storage’ type water heaters your new Chromagen system will heat water to a minimum of 60 Degrees Celsius to ensure that harmful bacteria are eliminated. In summer months, or during extended periods of high temperatures the stored water can attain temperatures up to and exceeding 80 Degrees Celsius.

However, as all of our solar water heaters are fitted with anti-scalding (tempering) valves at the time of installation, you can rest assured that the hot water delivered to your home is regulated so that it won’t exceed 50 Degrees Celsius and subsequently won’t scald. As such, young children, the frail and elderly can safely operate hot water taps.

HOW MUCH MONEY WILL A CHROMAGEN SOLAR WATER HEATER SAVE ME?
Exact dollar amounts are difficult to calculate due to the vagaries of differing usage patterns, varying electricity costs, gas costs, and the unstable nature of weather patterns and differing locations. However as a rough rule of thumb, hot water can account for up to 30% of a household’s energy bills. A correctly sized Chromagen solar hot water system may reduce your hot water bills by 60-80%.

Originally posted on our website at http://www.psccan.com.au/solar-hot-water-faqs/

Solar Power Canberra Rebates and Incentive.
http://www.psccan.com.au/solar-power-canberra-rebates-and-incentives/

Have you wondered how LED lighting works. Have a look at this blog on our website.
http://www.psccan.com.au/led-lighting-how-does-it-work/

Power Saving Centre have had a great few weeks installing LED lighting in a number of business.  This is a great way to reduce your electricity costs and in the ACT you get a rebate on your lighting costs. Have a look at this post on our website for one of our installs.
http://www.psccan.com.au/led-lighting-tuggeranong-outdoor-power-centre/

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Just in the process of updating all the Electrical Services.  Have a look at this. http://www.psccan.com.au/electrical-services-canberra-residential/

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Power Saving Centre Canberra is updating their Electrical Services Commercial page. http://www.psccan.com.au/electrical-services-canberra-commercial/

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Solar Power Feed In Tariffs.  Power Savings Centre Canberra has written a blog explaining this system. Have a look at the blog for details.
http://www.psccan.com.au/solar-power-feed-in-tarriff-rates-for-act-nsw-and-qld/

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