Climate change mitigation in housing
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Climate change mitigation in housing describes possible actions to change the building stock in an aim to reduce greenhouse gas emissions.
Contents
Scope
What are probable actions to change the building stock in an aim to reduce greenhouse gas emissions?
Definition
Data
- Climate change policy assessment
- Energy efficiency of buildings in Finland
- Heating systems in buildings in Finland
- Housing data sources
- Public health impacts of GHG emission reduction strategies in household energy use
- In Heande:
Dependencies
Unit
Formula
Result
| Measure | Implementation in BAU | Implementation in 2°C |
|---|---|---|
| Insulation in buildings 1980-2010 | ? | 30% of stock is insulated |
| Insulation in buildings before 1980 | ? | 80 % of stock is insulated |
| Mechanical ventilation in buildings 1980-2010 | ? | ? |
| Change in air conditioning | ? | ? |
| Increase in biomass as renewable energy | ? | ? |
--1 : Are these specified somewhere? --Jouni 08:19, 10 August 2010 (UTC)
--2 : Do these all happen by 2020? --Jouni 08:19, 10 August 2010 (UTC)
| Measure | Level of action | |||
|---|---|---|---|---|
| Demand measures: | 1 | 2 | 3 | 4 |
| Average temperature of homes | 1 | 2 | 3 | 4 |
| Home insulation | 1 | 2 | 3 | 4 |
| Home heating electrification | A | B | C | D |
| Home heating that isn't electric | A | B | C | D |
| Commercial heat / cooling demand | 1 | 2 | 3 | 4 |
| Commercial heating electrification | A | B | C | D |
| Commercial heating that isn't electric | A | B | C | D |
| Home light & appliance demand | 1 | 2 | 3 | 4 |
| Home light & appliance technology | A | B | C | D |
| Commercial light & appliance demand | 1 | 2 | 3 | 4 |
| Commercial light & appliance technology | A | B | C | D |
| Industrial processes | A | B | C | D |
| Individual transport behaviour | 1 | 2 | 3 | 4 |
| Electrification of individual transport | 1 | 2 | 3 | 4 |
| Domestic freight | 1 | 2 | 3 | 4 |
| International aviation | 1 | 2 | 3 | 4 |
| International shipping | 1 | 2 | 3 | 4 |
| Measure | Level of action | |||
|---|---|---|---|---|
| No change to recent trends. | Effort described by most stakeholders as achievable. | Effort needing significant change - hard but deliverable. | Heroic effort, but does not break any laws of physics. | |
| Average temperature of homes | 1 Average room temperature increases to 20 C (a 2.5 C increase on 2007) | 2 Average room temperature increases to 18 C (a 0.5 C increase on 2007) | 3 Average room temperature decreases to 17 C (a 0.5 C decrease on 2007) | 4 Average room temperature decreases to 16 C (a 1.5 C decrease on 2007) |
| Home insulation | 1 Average thermal leakiness (Watts/C) of UK dwellings decreases by 25 % | 2 Average thermal leakiness (Watts/C) of UK dwellings decreases by 33 % | 3 Average thermal leakiness (Watts/C) of UK dwellings decreases by 40 % | 4 Average thermal leakiness (Watts/C) of UK dwellings decreases by 50 % |
| Home heating electrification | A The proportion of domestic heat supplied using electricity is 0-10 %, as today. | B The proportion of domestic heat supplied using electricity is 20 %. | C The proportion of domestic heat supplied using electricity is 30-60 %. | D The proportion of domestic heat supplied using electricity is 80-100 %. |
| Home heating that isn't electric | A The dominant non-electric heat source is gas (biogas if available). | B The dominant non-electric heat source is coal (biomass if available). | C The dominant non-electric heat source is waste heat from power stations. | D A mixture of gas/biogas; coal/biomass; and heat from power stations. |
| Home light & appliance demand | 1 Energy demand for domestic lights and appliances increases by 20 % (relative to 2007). | 2 Energy demand for domestic lights and appliances is stable. | 3 Energy demand for domestic lights and appliances decreases by 40 %. | 4 Energy demand for domestic lights and appliances decreases by 60 %. |
| Home light & appliance technology | A Energy used for domestic cooking remains at 63 % electricity and 37 % gas. | B 100 electric. | C As for B. | D As for B. |
⇤# : The table below is incomplete. Do we actually need it? --Jouni 13:32, 23 September 2010 (UTC)
| Changes for year 2010 (TWh) | ||||
|---|---|---|---|---|
| Measure | Level of action | |||
| Home insulation | 1 1.906 | 2 | 3 | 4 1.897 |
| Home heating electrification | A 1.906 | B | C 1.906 | D |
| Home heating that isn't electric | A | B | C | D |
| Home light & appliance demand | 1 | 2 | 3 | 4 |
| Home light & appliance technology | A | B | C | D |
| Changes for year 2030: | ||||
| Home insulation | 1 1.997 | 2 | 3 | 4 1.997 |
| Home heating electrification | A 1.906 | B | C 2.048 | D |
| Home heating that isn't electric | A | B | C | D |
| Home light & appliance demand | 1 | 2 | 3 | 4 |
| Home light & appliance technology | A | B | C | D |
See also
References
Related files
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