By Ray Galvin
Germany is visible as a pace-setter in thermal retrofit coverage and perform, yet how powerful is its method? A severe Appraisal of Germany's Thermal Retrofit Policy examines this coverage in context and assesses its effectiveness. It reveals that technical constraints and the prices of retrofitting lessen the speed of development, whereas making plans underestimates the impression of consumer habit within the type of rebound and prebound results. A key discovering is that rate reductions could be maximized inside of a coverage that is aware the particular habit and motivation of families, the world the place so much strength mark downs are already taking place.
The e-book indicates a brand new coverage paradigm that may motivate a greater stability of partial and finished retrofits, using family habit adjustments in keeping with a greater knowing of gasoline saving motivation and gas expense elasticity. during this strategy, the thermal construction laws will be made extra versatile in order that policymakers would:
- advertise partial, transitional and cost-optimal retrofits, that are extra sure to pay again via gasoline discount rates in the event that they are acceptable to construction typology and home-owner budgets.
- advertise accomplished retrofits for purposes except monetary achieve, focusing as a substitute at the convenience and environmental merits of energy-efficient homes.
- make investments extra seriously in teaching families to warmth economically, studying from the prebound impact that allows you to maximize the software of the houses they presently occupy, and base payback time calculations on real consumption.
The effects and findings of this e-book will be of curiosity to policymakers, researchers and graduate scholars alike.
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Extra info for A Critical Appraisal of Germany's Thermal Retrofit Policy: Turning Down the Heat
2011; Walberg et al. 2011; and cf. DENA 2012). 25). 5% reduction, considerably less than the 80% goal. Our ongoing discussions with Federal policymakers indicate they have become increasingly aware of the slow progress of fuel consumption reductions through thermal retrofits. They are particularly concerned about the very slow rate of thermal retrofit among buildings with 1–6 dwellings, which make up the vast majority of German homes and are mostly privately owned. 7 Conclusions and Implications German Federal regulations demand that homes being comprehensively renovated reach an average thermal standard of 100 kWh/m2a, which is 40% of what a new building of the same design in 1977 could consume.
Generally the consumption displayed is the theoretical, calculated value (in German the Energiebedarfskennwert). However, for certain categories of buildings (see Chap. 5, Sect. 1, if a household has three continuous years of energy bills their dwelling’s EPC may instead display the actual, measured consumption (in German the Energieverbrauchskennwert). As noted above, the average gap between these two measures is 30%. The EPC is intended to motivate homeowners to renovate, as it is assumed that a low energy consumption figure increases the market value of a property.
The agreements are voluntary but financially supported and monitored by the government. Participating companies receive 40% financial support for energy audit costs, 15–20% for energy improvement investments and for expenses in setting up an environmental management system under international standard ISO 14001, and up to 40% for new technology investments. 1 million euros in the agreements. Heikkilä et al. (2005) estimate a return of five euros for each euro of public investment. In the real-estate sector, the target was to reduce heating energy consumption by 10% by 2005 compared to 1990 levels and 15% by 2010 but this proved to be over ambitious.