Heat Pumps - everything you need to know

The earth has never been hotter. As we continue to pollute the planet by burning fossil fuels, we’re already seeing the adverse effects of climate change harming communities and wildlife all over the world.

Globally, heat accounts for nearly half of all energy consumption and 40% of energy-related carbon dioxide emissions (BBC). The need to reverse the impact of global warming is vital, and it all starts with how we heat and cool our homes.

Whether you’re a homeowner who’s looking at renovating your home or a contractor who’s working on a new home development, you can do your bit to ensure that the plumbing and heating system you use not only complies with government regulations, but is low carbon and utilises renewable energy.

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A brief history of heat pumps

1856

Heat pump technology has been around for just under two hundred years, with records of the first heat pump dating back to between 1855 and 1857. Created by Austrian Scientist, Peter von Rittenger, he experimented with the latent heat of water vapour to evaporate salt brine.

1945

John Summer builds a large scale water source heat pump in Norwich. The system was an experimental water-source heat pump which utilised a neighbouring river to heat new council buildings.

1948

Robbert C. Webber creates the first electric heat pump by reusing the wasted boiling water from a deep cold freezer.

2021

Now, there are over 40 million heat pumps in operation across Europe, (35,000* aerothermal and 15,000 ground source heat pumps), and we’re slowly starting to see the use of heat pumps in the UK.

2022

Enula has revolutionised the heat pump market and brings renewable heating solutions to businesses and homes across the UK

2025

All new build homes will have renewable heating systems instead of gas boilers

2050

The Government is aiming to reach 100% of emissions reductions for Net Zero.

THE FUTURE

At Enula, we strive to live in a society where we use zero carbon, renewable energy to heat our homes, which is why we’ve kick started a heat pump revolution. Our technology, knowledge and passion will lead the way to achieving net zero carbon emissions.

HOW DO HEAT PUMPS WORK?

  1. The heat pump takes in air from the outside.

  2. Energy from the air is used to heat a refrigerant which turns into a vapour.

  3. The vapour is then squeezed and compressed.

  4. The temperature increases

  5. This heat is released into your home, via your existing pipe work, heating your home and water.

HOW TO INSTALL A HEATPUMP

Fitting an air source heat pump into your home requires significant skills, knowledge and expertise. It isn’t something you can learn online and do yourself, because it requires technical knowledge of how heating systems work, so it’s best to leave it to the experts at Enula - we’re MCS, HIEES, APSHC and G3 qualified.

The Department for Business, Energy & Industrial Strategy estimates that a standard heat pump would take 2 individuals approximately 2 days to install. Once more, this depends on the complexity of the installation itself.

One of our trained plumbers or ventilation engineers will bring warmth and hot water to your home. Find out more about the installation process for aerothermal heat pumps.

HOW MUCH DO HEATPUMPS COST TO INSTALL?

Equipment and installation of our MCS approved air source heat pumps costs start at £8,000 but can exceed £15,000 depending on the project requirements. However, there are government initiatives such as the Government’s boiler replacement scheme.

Installation costs of air source heat pumps vary and are dependent on the project itself and the size of the heat pump needed. Sizes can start from 3kW and go up to 20kW or bigger for commercial type properties. The size of the unit is determined by several factors, including the amount of heat the property loses, and the size of the house or building. There are instances where you may need new radiators and heat emitters, or want underfloor heating which will increase the costs.

If the heat pump is being installed in a new build it will be much cheaper in comparison to a home renovation or retrofit that needs the old system removed in order to make room for the new system.

CAN EXISTING RADIATORS BE USED WITH AIR SOURCE HEAT PUMPS?

As heat pump systems operate at lower temperatures than traditional gas boilers, existing radiators will not operate as effectively as before. Under certain conditions larger radiators may be needed to give the same heat output as before, which can be significantly larger than existing radiators.

Heat pumps are compatible with other emitters such as the smart Reverso fan coils that feature the thinnest design fan coil of the market and can be managed via a smartphone.

HOW MUCH ENERGY CAN AN AIR SOURCE HEAT PUMP SAVE?

Enula’s heat pumps are on average 400% efficient compared to gas boilers, with only 90%.

This means on average for every kW of electricity you put in; you get 4kW of energy out.

HOW DO HEAT PUMPS WORK IN COLD WEATHER?

Enula’s air to water heat pumps are designed to work in the UK’s temperamental climate, and can operate in temperatures as low as -20 degrees, making them suitable for most homes in the UK.

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Benefits of installing a Heat Pump


400% EFFICIENCY

Enula’s heat pumps are on average 400% efficiency in comparison to gas boilers that are 90% efficient


Save £5,000

Customers can apply for the BUS scheme and potentially save £5,000 over seven years


Reduced Impact

The environmental impact of heating homes is drastically reduced.


Zero carbon

It’s a zero carbon and renewable energy alternative to fossil fuels.


Cooling & Heating

Heat pumps have both cooling and heating capabilities.


Less Maintenance

Heat pumps require less maintenance, servicing and repairs in comparison to gas boilers.

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Driving Britain’s heat pump revolution
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