RADIATORS
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Low H2O radiators pave the way for heat pumps
Cat Goldsmith Jaga UK’s marketing manager and climate designer discusses how low-H2O radiators can reduce heating bills
P
eople and companies are facing higher energy bills this winter due to a global spike in energy prices. Unfortunately, energy crises like these are a recurring feature of fossil fuel dependency. Despite the shift needed to
renewables, the UK is still heavily reliant on gas for energy, with 86% of homes still using it for heating and more than a third of electricity supplies currently coming from gas power plants.
The shift to low carbon energy
Countries that have prioritised domestic low carbon energy are much less impacted by the shockwaves in energy supply and prices. Although lagging behind, the UK Government is now on board to follow suit, backing renewables and low carbon alternatives to gas boilers, such as heat pumps, as seen in the recently published Heat and Buildings Strategy. Most heat pumps are much more efficient when running at low water flow
temperatures so selecting the right emitters that will work with these lower temperatures is vitally important. Standard-sized traditional steel panel radiators will no longer be able to
provide enough output to comfortably heat the space as they’re designed to work with typical flow and return temperatures of 75/65 or ∆t50 (Delta 50). They therefore need to be greatly oversized, often double that of the originals, ruining the aesthetic of the space, using more material and more water.
The alternative option is Low-H2O
Low-H2O radiators are proven to work at low flow temperatures – you’ll always see their outputs published for flow and return temperatures of 55/45. When switching from a gas boiler to a heat pump, Low-H2O products can often heat the space with the same size emitter as the original steel panel radiator, or often even smaller.
Improving energy-efficiency
Traditional steel panel radiators can be slow to heat up and cool down due to the use of heavy, dense steel with a large thermal mass. This means they need a lot more energy to reach their required temperature and energy is wasted
The Jaga Strada Hybrid radiator heats and cools and is designed to work with heat pumps and low flow temp systems
through overheating. Installing lightweight, compact, energy-efficient radiators such as Jaga’s Low-H20 can offer energy savings for building managers and homeowners of up to 16%. Research by Dutch certification and testing body, KIWA, shows that installing
Low-H20 radiators instead of traditional steel panel ones in an average home of 140m2 can save 141 m3 gas per year. This means a significant reduction in energy bills and equates to a reduction in CO2 emissions of 293kg per year so they’re better for the planet too.
Installing energy-efficient Low-H2O radiators can save up to 16% in energy usage and bills.
The heat exchanger inside a Low-H20 radiator uses 90% less water than a steel panel radiator. It’s made from super-fast conducting, thin, light, aluminium sheeting and copper pipe, enabling far more effective convection and therefore greater comfort with lower energy consumption. It’s also fully recyclable at the end of its life. Jaga Low-H2O heat exchangers provide effective convection and contain 90% less water than traditional steel panel radiators.
Jaga Low-H2O heat exchanger
30 December 2021
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