Super efficient heating systems.
Those of us with more wrinkles than we had before will remember the old 2 and 3 bar electric fires. Each bar produced approximately 1kW of heat, so a 3 bar fire would produce 3kW. Simple arithmetic.
This heat was radiant and therefore very localised, only close to the fire itself was any real benefit to be found. The bars were not only very hot, but also "live", a dangerous situation for those with young children and pets.
What most would not have realised is that the cost of producing that 3kW of heating power was an input of around 7kW, or less than 50% efficiency!! All heating systems of this nature are less than 100% efficient to this day. Even modern gas fires and heating systems struggle to reach 90% efficiency and older boilers are terribly inefficient in comparison to the newer versions.
So,
what is the answer?
What if 1kW of supplied power was able to generate 4kW of heating power, i.e. 4 times more power out than in? Impossible? Contrary to the laws of physics?
Well, not if you're clever about it. All mass contains thermal energy, until the temperaure drops to absolute zero, i.e. 0°K, or -273.15°C. Heat pumps extract energy from the ground, or flowing water, even the air, rather than generating heat from burning fuels or passing electric currents through elements.
Even below what we call "freezing", or 0°C (+273.15°K) there is thermal energy in the ground or air, energy which can be efficiently extracted for use in heating systems. This is energy already there, rather than energy generated by burning fossil fuels. The technology to accomplish this is available NOW. And perhaps, to many, in a surprising place - your fridge.
Modern air conditioning systems with inverters, running on 12 Volts, are very quiet in operation and can produce 4kW of heating power for every 1kW of power supplied. They also clean the air of dust, smoke and pollen - a boon to hay fever sufferers and those with other health conditions.
In comparison to central heating systems, single rooms can be heated, further driving down energy consumption.
Prices for air conditioning systems are comparable to replacing old boilers or fitting a new central heating system. With energy prices rising inexorably, a super efficient air conditioning system has to be a consideration when deciding how to heat your home or workplace.
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