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U.S. Heat Pump adoption is evenly spread across rich and poor. Surprised?

June 13, 2023 by Lucas Davis

The problem with subsidising first-adopters of new technologies is that they can substantially benefit rich households. They’re the ones who buy the first EVs, rooftop solar, etc. Lucas Davis at the Haas School of Business presents data that shows that, in the U.S., heat pumps are being bought evenly across the income distribution. This is a surprise, not least to the author! Nationwide, 15% of households have a heat pump as their primary heating … [Read more...]

Filed Under: Energy, HVAC Tagged With: Climate, geography, heating, HeatPumps, HVAC, income, prices, subsidies, US

EU’s 40% domestic Cleantech ambition: same target for Wind (easy) and Solar (hard) doesn’t make sense

June 12, 2023 by Giovanni Sgaravatti, Simone Tagliapietra and Cecilia Trasi

The proposed Net Zero Industry Act includes a target for the EU to manufacture domestically at least 40% of its cleantech deployment needs by 2030. That includes the key technologies of solar PV panels, wind turbines (onshore and offshore), EV batteries, heat pumps and hydrogen electrolysers. But it doesn’t make sense to have the same 40% target for all, explain Giovanni Sgaravatti, Simone Tagliapietra and Cecilia Trasi at Bruegel. The main … [Read more...]

Filed Under: Energy, HVAC, Hydrogen, Renewables, Storage Tagged With: batteries, cleantech, electrolysers, EU, EVs, GreenDeal, HeatPumps, hydrogen, NetZeroIndustryAct, offshore, onshore, panels, PV, solar, turbines, wind

IEA report: global manufacturing capacity is expanding rapidly for solar, wind, batteries, electrolysers, heat pumps

June 6, 2023 by IEA

The IEA summarises its special briefing, “The State of Clean Technology Manufacturing.” It’s a global update on recent progress in key regions, focussing on five technologies – solar PV, wind, batteries, electrolysers and heat pumps – critical to the energy transition. It should be read to keep decision makers informed of investment trends and the impact of industrial strategies. Overall, manufacturing capacity for these technologies is expanding … [Read more...]

Filed Under: Energy, HVAC, Hydrogen, Renewables Tagged With: batteries, China, demand, electrolysers, EU, HeatPumps, IEA, India, manufacturing, solar, supply, US, wind

Germany’s proposed de facto ban on new fossil boilers from 2024 meets fierce resistance

June 2, 2023 by Sören Amelang

Like many nations, Germany is struggling to find a way to replace fossil fuel-powered boilers in millions of homes and buildings with heat pumps and other cleaner alternatives. Heating accounts for a whopping 15% of the country’s emissions. As Sören Amelang at CLEW explains, the up-front cost of a new clean heater can be double that of existing mass-produced fossil equivalent, so home owners are resistant. In 2022, two thirds of all new heating … [Read more...]

Filed Under: Energy, HVAC Tagged With: boilers, buildings, costs, emissions, fossil, gas, Germany, Habeck, heating, homeowners, HVAC, landlords, oil, Parliament, Scholz, subsidies, tenants

Green District Heating: can the energy crisis + new carbon targets drive new investment?

May 9, 2023 by Rebecca Pool

Rebecca Pool, writing for ESCI, describes green district heating projects where the operator is a “middle man” between new energy generators (waste heat, renewables, etc.) and end users. The energy crisis has created an opportunity, as unpredictable gas prices combined with new carbon targets have made the long-term investment more attractive. But district heating is in direct competition from heat pumps and natural gas, so it needs to be price … [Read more...]

Filed Under: Energy, HVAC Tagged With: CIMPOR, Climaespaço, district, EMB3Rs, gas, green, heating, HeatPumps, HVAC, investment, Portugal, prices, WasteHeat

Heating Households and Buildings: Heat Pumps will be up to three times cheaper than Green Hydrogen

March 3, 2023 by Josh Gabbatiss

A new study concludes that heating from 100% green-hydrogen would be up to three times more expensive than one based on 100% electrification of buildings with heat pumps. Josh Gabbatiss at Carbon Brief summarises the findings, who says it’s yet more evidence to push back against the voices of politicians and fossil-fuel companies wanting to see hydrogen in the household and buildings heating mix (for example, the UK is planning a “hydrogen … [Read more...]

Filed Under: Energy, HVAC Tagged With: boilers, buildings, EC, electrification, EU, heating, HeatPumps, households, HVAC, hydrogen, residential, UK

How to sell Heat Pumps to the public in Europe

January 19, 2023 by Helena Uhde

In EU households, 62.8% of energy consumption is for space heating, and another 15.1% for water heating, mostly powered by fossil fuels. Heating and cooling is responsible for 52% of final energy demand in Europe. So, with REPowerEU, the EU has once again strengthened support for heat pumps to achieve energy independence and climate goals. Heat pump sales in Europe grew by an unprecedented 34% in 2021, thanks to a total 2.18m heat pump units … [Read more...]

Filed Under: Energy, HVAC Tagged With: cooling, costs, decarbonisation, efficiency, electrification, EU, Hallstatt, heating, HeatPumps, HVAC, REPowerEU, sales, subsidies

30+ nations now subsidise Heat Pumps because lifetime cost is cheaper than fossil boilers

January 10, 2023 by Josh Gabbatiss

The global growth in heat pumps can deliver almost 40% of all possible emissions cuts from heating by 2030 (with most of the rest coming from efficiency, mainly insulation), says the IEA. This is according to their “Announced Pledges Scenario” (APS) which assumes that governments carry out all of the climate commitments they have made. Keeping buildings warm produces one-tenth of global energy-related CO2 emissions. So the APS’s heat pump growth … [Read more...]

Filed Under: Energy, HVAC Tagged With: buildings, China, efficiency, emissions, EU, heating, HeatPumps, HVAC, IEA, Italy, LCOE, Poland, subsidies, US

Evaporation and Radiation cooling: no power required (but the aerogel must get cheaper)

September 28, 2022 by David Chandler

It is well known that evaporation and radiation are two ways of keeping something cool. David Chandler at MIT explains how researchers there have created an experimental 3-layered cell that combines evaporation and radiation with an insulator to deliver cooling that needs no power. It can provide around 9°C of cooling from the ambient temperature, enough to permit safe food storage for about 40% longer under very humid conditions, and could … [Read more...]

Filed Under: Energy, HVAC Tagged With: aerogel, cooling, evaporation, grids, HVAC, hydrogel, insulation, radiation

EU Heat Pumps: warnings against “one size fits all” policies

May 31, 2022 by Helen Farrell

The EU is aiming for the installation of 50 million heat pumps by 2030, equating to annual growth of 16%, reaching one third of the total 150 million boiler installations in the bloc. Helen Farrell reviews these ambitious targets and the policies that are driving them, and turns to a report by RAP to identify the weaknesses in the plan and how it can be improved. The main danger is a ‘one size fits all’ approach. Different countries have … [Read more...]

Filed Under: Buildings, Energy, HVAC Tagged With: buildings, electrification, EU, Germany, heating, HeatPumps, HVAC, newbuilds, retrofits, UK

Netherlands and China co-operate on Aquifer Thermal Energy Storage for heating and cooling

May 19, 2022 by Daisy Chi

Aquifer Thermal Energy Storage (ATES) accesses the stable temperature of groundwater to warm buildings in winter and cool them in summer. The solution uses much less power than conventional heating and cooling systems. As Daisy Chi at ECECP explains, ATES first took off in China in the 1960s but ran into problems with the required circulation of the groundwater. However, the technology has been developed and optimised in the Netherlands: of the … [Read more...]

Filed Under: Energy, HVAC Tagged With: buildings, China, cooling, heating, HeatPumps, HVAC, Netherlands

How a street can share a Ground Source Heat Pump

May 11, 2022 by David Barns

Ground and air source heat pumps are expected to play a major role in cutting the use of gas for heating. But one major problem with them is that they need a lot of space. For those living in dense housing it’s just not practical. District heat networks are the usual alternative, but the dense urban areas they serve need to be near a large source of waste heat like power stations or other industrial units. David Barns at the University of Leeds … [Read more...]

Filed Under: Energy, HVAC Tagged With: air, buildings, district, heat, HVAC, local, pumps, residential, urban

Will turning down Europe’s thermostats ease the Gas supply crisis?

March 28, 2022 by Aurore Julien

To counter the extremely high gas prices caused by the Russia-Ukraine crisis the IEA has proposed turning thermostats down in households to use less gas. The IEA estimated lowering the heating by just 1°C would reduce gas demand by around 10 bn cubic metres a year, or 7% of Europe’s annual imports from Russia. Aurore Julien at the University of East London looks at quantifiable past attempts around the world to get citizens to cut their energy … [Read more...]

Filed Under: Energy, HVAC, Oil, Gas & Coal Tagged With: Alaska, Colombia, demand, Europe, Fukushima, gas, households, IEA, Japan, prices, Russia, thermostats, Ukraine

District Heating Roundtable: Policy across RED, EED and EPBD “must take account of conditions in all Member States”

February 17, 2022 by Sara Stefanini

Sara Stefanini provides a written summary of our panel discussion held on 10th February: District Heating under the "Fit for 55" package: challenges and opportunities. Under the “Fit for 55” package, the EC proposed several regulatory changes that, combined, are meant to decarbonise district heating in Europe. But are these options workable for all? The participants raise questions over the support for district heating, whether the multiple … [Read more...]

Filed Under: Buildings, Climate policy, Debates, Energy, Energy efficiency, EU Policy, Expert Panel, HVAC Tagged With: biomass, buildings, CHP, coal, cogeneration, Digitalisation, district, efficiency, electricity, FitFor55, gas, heating, HVAC, NZE2050, policy, renewables

Redesigning UK electricity taxes to boost Heat Pump sales

October 14, 2021 by Jan Rosenow and Richard Lowes

In the UK, consumer prices for electricity are five times more expensive than for gas. It is a disincentive to adopt electric heat pumps. To make things harder, 23% of the electricity price comes from climate and social levies. It’s just 2% for gas. No wonder the UK continues to install about 1.7 million gas boilers a year. Jan Rosenow and Richard Lowes at RAP call for changes that will incentivise customers to buy heat pumps while having a … [Read more...]

Filed Under: Energy, HVAC Tagged With: Denmark, electricity, electrification, gas, Germany, heat, HeatPumps, HVAC, levies, Netherlands, Sweden, taxes, UK

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        Recent Posts

        Could big U.S. subsidies for Hydrogen create perverse incentives, raise emissions?

        Belgium: commercially viable Rooftop Solar for social housing. No installation subsidies, lower bills

        Concrete supercapacitor: works like a battery, much cheaper, easy to make

        Agrivoltaics: GWs of solar power from farmland using strategically placed panels (and raising crop yields)

        Industry’s EU ETS reforms and CBAM: how firms can turn the rising cost of carbon into competitive advantage

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