| Overall savings potential | Policy urgency | Bulk of savings available |
Energy efficiency |
| ||
Lighting | Medium | Average | Quickly |
Appliances | Large | Average | Short- to medium-term |
Water heating systems | Medium to large | Urgent | Short- to medium-term |
Space heating systems | Medium to large | Urgent | Short- to medium-term |
Cooling/ventilation systems | Medium to large | Urgent | Short- to medium-term |
Cooking | Small | Average | Quickly |
Fuel switching |
| ||
Water heating systems | Medium to large | Urgent/average | Short- to long-term |
Space heating systems | Medium to large | Urgent/average | Short- to long-term |
Cooking | Small | Average/urgent | Short- to medium-term |
Building shell measures |
| ||
New residential buildings | Medium to large | Average/urgent | Medium- to long-term |
Retrofit residential buildings | Large | Urgent | Medium- to long-term |
New commercial buildings | Large | Urgent | Medium- to long-term |
Retrofit commercial buildings | Medium to large | Average | Medium- to long-term |