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Table 4 Payback period evaluation of retrofit scenarios for one average dwelling in the study area.

From: Heat consumption scenarios in the rural residential sector: the potential of heat pump-based demand-side management for sustainable heating

Retrofit scenario Unit costs (€/m2) Heating system cost (€) Total costs (€) Energy savings (kWh/year) Money savings “A” (€/year) Payback period “A” (years) Money savings “B” (€/year) Payback period “B” (years)
SEE 100 7000 16,000 14,093 891 18.0 493 32.4
AEE 130 7100 18,800 14,652 926 20.3 513 36.7
DEE 150 7100 20,600 14,967 946 21.8 524 39.3
  1. *No financial incentives for building renovation and energy saving are considered in this evaluation