efficiency of heating system technology as a function of installation time.

there was a sharp improvement in oil and gas tech with the introduction of condensing boilers

A modest post-2020 improvement in heat pump SCOP is allowed for

heating_system_efficiency(tech, install_time)

Arguments

tech

heating technology

install_time

decimal time

Examples


heating_system_efficiency("heat_pump",2040)
#> [1] 3.2375
heating_system_efficiency(c("oil","gas"),2023)
#> [1] 0.9  NA