(1/3) Loop 1.0 +Length 3
conventional renovation no retrofit opportunity +> unretrofitted buildings leaving good condition
unretrofitted buildings leaving good condition +> renovation
renovation +> conventional renovation no retrofit opportunity
(2/3) Loop 2.0 +Length 3
conventional renovation retrofit opportunity loss +> unretrofitted buildings leaving good condition
unretrofitted buildings leaving good condition +> renovation
renovation +> conventional renovation retrofit opportunity loss
(3/3) Loop 3.0 +Length 3
energy retrofit +> retrofitted buildings leaving good condition
retrofitted buildings leaving good condition +> renovation
renovation +> energy retrofit