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HPT MAGAZINE - A Heat Pump Centre Product

In this issue: Affordable Heating & Cooling

The development of heat pumping technologies shows us a path towards decreased dependency on fossil fuels. But development often means increased costs; costs that the market is not necessarily willing to pay. In this issue of the HPT Magazine it is shown that these developed heat pumping technologies can be affordable, both in the short and the long run.

Below is a list of articles included in the Magazine. The articles in bold can also be found further down, in versions shortened by the HPC.

Heat Pump Conference in Jeju 2020
The EU Negotiators Finally Succeed in the Energy Talks on the Energy Efficiency Directive and the
Energy Union Governance Regulation
The Energy World Gathered in the Nordic Countries: Nordic Clean Energy Week
Annexes in HPT TCP: 49, 50, 52
Market Report: The French (hi)story of Heat Pumps
Thermodynamic Performance and Economic Feasibility of Booster Heat Pumps in Low-Temperature District Heating
District Heating and Cooling Networks Based on Decentralized Heat Pumps: Energy Efficiency and Reversibility at Affordable Costs
Hybrid Heat Pumps Minimize Emissions and Overall Costs

Read the full HPT Magazine here.

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The Energy World Gathered in the Nordic Countries: Nordic Clean Energy Week

The Nordic Clean Energy Week took place in Copenhagen, Denmark and Malmö, Sweden in May. As part of the week, energy ministers from major economies across the globe met for the 9th Clean Energy Ministerial (CEM9) and 3rd Mission Innovation (MI3) to accelerate the clean energy revolution. Some events relevant for heat pumping technologies are summarised in this article.

The French (hi)story of heat pumps

The market for heat pumps is governed by a number of factors. It is affected by energy prices, legislation, the perceptions of the general public, and heat pump performance compared to the alternatives. This becomes obvious when looking at the fluctuation in the French heat pump market during the past three decades.

Thermodynamic Performance and Economic Feasibility of Booster Heat Pumps in Low-Temperature District Heating

The transition to renewable energy sources presents a challenge for many district heating networks. Traditionally run on fossil fuels, the systems are built for high forward temperatures. Since many renewable energy sources have a lower temperature, new district heating networks should be dimensioned accordingly. But what about the existing grids?

In South Korea, district heating is a very common way to heat domestic houses. One way to keep these systems and at the same time prepare them for a large-scale introduction of low-temperature energy sources is to introduce booster heat pumps into the systems. This would lead to better use of the lower forward temperature, and also reduce the need to use a peak boiler during the cold season.

District heating and cooling networks based on decentralized heat pumps: energy efficiency and reversibility at affordable costs

The future systems for heating and cooling need to meet both economic and environmental expectations. Not least since the cooling demand is increasing. By comparing and analysing five different scenarios this article shows a realistic way to reach both goals.

The five scenarios have been compared regarding costs and emissions of CO2. The common setting is a Southern European climate (Rome) with a relatively high need for cooling, and a city zone with 500 small multifamily houses of 500 m2 each, with an overall land area of 1 km2. It is assumed that no low-cost or low-emission source for high-temperature district heating is available.

Hybrid heat pumps minimize emissions and overall costs

The energy transition aims at reducing CO2 emissions. In existing residential houses with gas heating, how could such a reduction best be reached when switching to a heat pumping solution? This has been studied for a standard Dutch setting.

The typical Dutch residential house is heated by gas with a condensing boiler and with medium insulation. The study compared a shift from the condensing boiler to either a conventional all-electric heat pump, or to a hybrid heat pump running on electricity or gas. The first alternative includes both air-source and ground-source heat pumps. The hybrid heat pump is an air-source heat pump combined with a condensing boiler. In order to make a valid comparison, costs for both generation, transmission and distribution of the energy was taken into account, as well as the cost for appliances.

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