Table 3.
Type of upgrade | n | % | Impact |
---|---|---|---|
Windows | |||
- Sealing | 6 | 30 | Thermal comfort; Reduce energy costs |
- Replacement | 5 | 25 | Thermal comfort; Reduce energy costs |
Doors | |||
- Sealing | 9 | 45 | Thermal comfort; Reduce energy costs |
- Replacement | 2 | 10 | Thermal comfort; Reduce energy costs |
Boiler replacement | 12a | 60 | Thermal comfort; Health and Safety; Reduce energy costs (LL/PO)b |
Boiler repair | 1 | 5 | Thermal comfort; Health and safety; Reduce energy costs (LL/PO)b |
Attic, roof, garage, or boiler room insulation | 4 | 20 | Thermal comfort Reduce energy costs (LL/PO)a |
Lighting and appliances | |||
Compact fluorescent lights (CFL) | 18 | 90 | Reduce energy costs |
Refrigerator replacement | 4 | 20 | Reduce energy costs |
Thermostat replacement | 3 | 15 | Thermal comfort; Control over temperature (PO)b |
Radiator thermostat | 8 | 40 | Thermal comfort; Control over temperature |
Low flow shower heads and faucets | 3 | 15 | Reduce energy costs (LL/PO)b |
Smoke detector | 16 | 80 | Health and safety |
Carbon monoxide detector | 18 | 90 | Health and safety |
2 private homeowners and 4 apartment buildings received new boilers. 12 participants in total lived in households that received new boilers.
LL/PO refers to landlords and personal homeowners.