BOILERS, PUMPS & VALVES
HOW GROUND SOURCE HEAT PUMPS COULD REDUCE HEATING COSTS G
round source heat pump manufacturer, Kensa, is calling on the government to
level out the current bias in levies causing electricity to be four times as expensive as gas. The high price of electricity is due, in part,
to the policy of previous governments who loaded electricity prices to pay for subsidies for renewable technologies, the company writes. The average cost of a kWh of gas in the UK is currently around 3.8p. For electricity, it is about 16.3p. After the price cap rise, this is will be 7p for gas and 28p for electricity. Kensa believes addressing this distortion will
ensure that homeowners installing low carbon heat pumps can feel the financial benefits of the technology’s exceptional efficiencies at a time when people are looking to make as many savings as possible on their heating bills. In addition, for those facing fuel poverty,
extortionate increases in the energy price cap make replacing inefficient and costly heating systems, such as direct electricity
in tower blocks, with ground source heating solutions all the more crucial. If levies were proportioned equally, this renewable technology could save even more money for the people that need it the most. Kensa is calling for these environmental
levies to be levelled out by properly proportioning them against carbon emissions. As electrically driven appliances with no combustion, ground source heat pumps are proven to have the lowest carbon emissions of all heating technologies, delivering a 77% saving on emissions versus gas, per unit of heat delivered, the company claims. They also do not emit any point-of- use emissions of harmful air pollution. As ground source heat pumps harness free,
naturally replenished energy from ground (or water) sources, they can deliver 3-4kW of renewable energy for every 1kW of electrical power consumed. A system that delivers much more electrical energy than it
consumes should deliver lower running costs for a household. Ground source heat pumps can reduce a property’s heating costs by around two-thirds compared to direct electric heaters, for example. Guy Cashmore, technical director for
Kensa, said: “The government has put heavy levies on electricity. However, this is at odds with their aims to decarbonise homes and buildings through the electrification of heat. It also causes people to lose out on a percentage of the running cost savings that could be gained from installing ground source heat pumps – the most carbon- efficient heating technology available. “Now is the time to act to protect those who
have already made environmentally friendly electric heating choices, and encourage more people to make the switch from fossil fuels.”
Kensa Group
www.kensaheatpumps.com
REDUCE ENERGY CONSUMPTION BY SPECIFYING THE RIGHT PUMP C
hoosing the right pump technology can have a positive effect on energy usage. According to Wanner International, it is able to reduce
the total energy usage for some industries that rely heavily on pumps for their processes by up to a half. The company provides pumps for a range industries ranging from oil and
gas, through to food production, chemical and pharmaceutical production. By examining every pump it manufactures, it can help customers reduce energy usage by careful placement of Hydra-Cell pumps, and squeezing carbon out of the system. For example, the Hydra-Cell pump’s true positive displacement action
and minimal internal losses achieve high efficiencies from pump shaft to hydraulic power. This, combined with the wide range of flow rate controllability, ensures optimum energy usage. Alternative pump technologies with inherent internal losses, which get larger as internal parts wear, start to become lower in efficiency as the discharge pressure goes above 10 bar and only gets worse with increasing pressure. Some of Wanner’s Hydra-Cell pumps have been reliably operating in the
field for a quarter of a century plus, which again frees resources that can be devoted into improving sustainability. Paul Davis, Wanner International’s managing director commented: “Switch
on your TV and you will see climate disasters around the world taking lives, homes, livelihoods and destroying ecosystems. From soaring temperatures causing wildfires that ravaged Greece and Australia to unprecedented levels of rainfall that led to severe flooding in Germany and South Asia. Around the world, everyone is being affected by climate change. “We are dedicated to enabling our customers to save energy, to save resources and we hope that with our leadership, they will follow this
example across the whole of their supply chains.” Wanner International
www.hydra-cell.co.uk https://www.hydra-cell.co.uk/Our-Technology-Advantages/High-Efficiency-Pumping-Action
www.energymanagementmag.co.uk
ENERGY MANAGEMENT - Spring 2022
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