Wainuiomata
Table 29.1: Summary survey data, Wainuiomata
| Location | Households – 2004 | Sample size | Sample error |
|---|---|---|---|
| 5464 | 150 | 7.9% |
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Table 29.2: Domestic home heating methods and fuels, Wainuiomata
| Households | Winter fuel use (July) | |||
|---|---|---|---|---|
| % | Number | Tonnes/day | % | |
| Electricity | 41% | 2222 | - | - |
| Total gas | 59% | 3242 | 2 | 4% |
| Flued gas | 35% | 1937 | - | - |
| Unflued gas | 24% | 1305 | - | - |
| Oil | 0% | 0 | - | - |
| Open fire | 2% | 109 | - | - |
| Open fire: wood | 2% | 109 | 3 | 7% |
| Open fire: coal | 1% | 36 | 0 | 1% |
| Total wood burner | 33% | 1821 | 37 | 77% |
| Pre-1994 wood burner | 15% | 809 | 21 | 44% |
| 1994–99 wood burner | 7% | 405 | 7 | 15% |
| Post-1999 wood burner | 11% | 607 | 8 | 17% |
| Multi-fuel burners | 5% | 291 | - | - |
| Multi-fuel burners: wood | 5% | 291 | 6 | 11% |
| Multi-fuel burners: coal | 1% | 73 | 0 | 1% |
| Pellet burners | 0% | 0 | - | - |
| Total wood | 41% | 2222 | 46 | 95% |
| Total coal | 2% | 109 | 1 | 1% |
| Total | 5464 | 49 | ||
* Note: rounding errors may occur in the proportion of burners in different age categories and in types of gas heating.
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Table 29.3: Monthly variations in heating behaviour and fuel use, Wainuiomata
| Percentage of houses using this method that use it each month | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Gas | 0% | 0% | 1% | 33% | 75% | 88% | 96% | 86% | 67% | 33% | 16% | 7% |
| Open fire | 0% | 0% | 0% | 67% | 67% | 67% | 100% | 67% | 33% | 33% | 0% | 0% |
| Wood burner | 2% | 2% | 4% | 28% | 64% | 76% | 90% | 80% | 52% | 22% | 8% | 8% |
| Multi-fuel | 0% | 0% | 0% | 0% | 75% | 75% | 100% | 75% | 63% | 13% | 0% | 0% |
| Average number of days per week house is heated (only for those heating during that month) | ||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Gas | - | - | - | 5 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 4 |
| Open fire | - | - | - | 2 | 3 | 4 | 6 | 7 | 7 | 4 | - | - |
| Wood burner | 2 | 2 | 2 | 4 | 5 | 6 | 6 | 6 | 5 | 5 | 6 | 4 |
| Multi-fuel | - | - | - | - | 4 | 5 | 5 | 4 | 3 | 7 | - | - |
| Daily fuel use (tonnes) | ||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Gas | - | - | - | 0.5 | 1.5 | 1.6 | 1.8 | 1.9 | 0.8 | 0.3 | 0.1 | 0.0 |
| Open fire: wood | - | - | - | 0.6 | 1.0 | 1.4 | 3.3 | 2.5 | 0.0 | 0.0 | - | - |
| Open fire: coal | - | - | - | 0.0 | 0.1 | 0.1 | 0.3 | 0.3 | 0.0 | 0.0 | - | - |
| Wood burner | 0.2 | 0.2 | 0.5 | 8.9 | 24.2 | 32.5 | 37.3 | 35.7 | 20.4 | 9.4 | 1.7 | 2.4 |
| Multi-fuel: wood | - | - | - | - | 3.5 | 4.6 | 5.5 | 3.0 | 4.5 | 2.8 | - | - |
| Multi-fuel: coal | - | - | - | - | 0.2 | 0.4 | 0.4 | 0.2 | 0.1 | 0.0 | - | - |
| Daily fuel use (kg) per household (for households using that method) | ||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Gas | - | - | - | 0.2 | 0.5 | 0.5 | 0.6 | 0.6 | 0.2 | 0.1 | 0.0 | 0.0 |
| Open fire: wood | - | - | - | 5.4 | 9.5 | 13.1 | 29.9 | 23.1 | 0.0 | 0.0 | - | - |
| Open fire: coal | - | - | - | 0.0 | 2.6 | 3.9 | 9.0 | 9.0 | 0.0 | 0.0 | - | - |
| Wood burner | 0.1 | 0.1 | 0.3 | 4.9 | 13.3 | 17.9 | 20.5 | 19.6 | 11.2 | 5.2 | 0.9 | 1.3 |
| Multi-fuel: wood | - | - | - | - | 12.1 | 15.7 | 18.9 | 10.4 | 15.5 | 9.5 | - | - |
| Multi-fuel: coal | - | - | - | - | 2.6 | 5.1 | 5.1 | 2.6 | 1.3 | 0.0 | - | - |
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Table 29.4: Estimated daily fuel use, by season, Wainuiomata
| Winter fuel use kg/day | Non-winter fuel use kg/day | |
|---|---|---|
| Gas | 1 | - |
| Open fire: wood | 38 | 19 |
| Open fire: coal | 9 | - |
| Wood burner | 31 | 20 |
| Multi-fuel: wood | 23 | 24 |
| Multi-fuel: coal | 18 | 5 |
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Table 29.5: Average monthly heating costs (winter), Wainuiomata
| Winter month cost | |
|---|---|
| Electric | $107 |
| Gas | $84 |
| Wood burner | $80 |
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Table 29.6: Type of electric heating, Wainuiomata
| Night store | Radiant | Portable oil column | Panel | Fan | Heat pump | Don't know/ refused | Other | |
|---|---|---|---|---|---|---|---|---|
| Households | 73 | 364 | 911 | 219 | 801 | 109 | - | 255 |
| Percent | 3% | 17% | 42% | 10% | 37% | 5% | - | 12% |
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Table 29.7: Home heating method, by house ownership, Wainuiomata
| Households living in rental | Percent living in rental | Households living in own house | Percent living in own house | |
|---|---|---|---|---|
| Total | 1348 | 25% | 4080 | 75% |
| Electric | 437 | 20% | 1785 | 80% |
| Gas | 765 | 24% | 2477 | 76% |
| Open fire | 73 | 67% | 36 | 33% |
| Wood burner | 437 | 24% | 1384 | 76% |
| Multi-fuel | 73 | 25% | 219 | 75% |
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Table 29.8: House insulation summary statistics, Wainuiomata
| Insulation type | Degree of insulation | |||
|---|---|---|---|---|
| Households | % | |||
| Ceiling | 4298 | 79% | No insulation | 11% |
| Under floor | 1093 | 20% | 1 type* | 31% |
| Wall | 2404 | 44% | 2 types | 31% |
| Cylinder wrap | 1056 | 19% | 3 types | 19% |
| Double glazing | 255 | 5% | 4 types | 2% |
| None | 619 | 11% | 5 types | 2% |
| Don't know | 219 | 4% | Don't know | 4% |
| Other | 36 | 1% | ||
* One type means the household has just one of: ceiling, under floor or wall insulation, a cylinder wrap or double glazing; two types are any two of these, etc.
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Table 29.9: Degree of house insulation, by heating method, Wainuiomata
| Degree of insulation | Electric | Gas | Wood burner | Multi-fuel | Open fire |
|---|---|---|---|---|---|
| 1 type | 30% | 30% | 26% | 38% | 0% |
| 2 types | 31% | 31% | 36% | 25% | 0% |
| 3 types | 18% | 18% | 18% | 0% | 0% |
| 4 types | 3% | 2% | 2% | 0% | 0% |
| 5 types | 2% | 1% | 4% | 0% | 0% |
| None or don't know | 16% | 17% | 14% | 38% | 100% |
| Total | 100% | 100% | 100% | 100% | 100% |
* Note: columns may not sum exactly to 100 due to rounding error.
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Table 29.10: Home heating method, by household income, Wainuiomata
| Electric | Gas | Wood burner | Multi-fuel | Open fire | |
|---|---|---|---|---|---|
| Non-response | 20% | 22% | 22% | 13% | 33% |
| Less than $20,000 | 16% | 18% | 6% | 13% | 33% |
| $20,000 to $30,000 | 7% | 7% | 8% | 0% | 0% |
| $30,000 to $40,000 | 16% | 15% | 16% | 38% | 0% |
| $40,000 to $50,000 | 7% | 9% | 10% | 25% | 33% |
| $50,000 to $70,000 | 21% | 18% | 16% | 0% | 0% |
| $70,000 to $100,000 | 2% | 10% | 14% | 0% | 0% |
| More than $100,000 | 11% | 1% | 8% | 13% | 0% |
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Table 29.11: Home heating method, by age of dwelling, Wainuiomata
| Age of dwelling | Electric | Gas | Wood burner | Multi-fuel | Open fire |
|---|---|---|---|---|---|
| 10 years or less | 10% | 8% | 6% | 0% | 0% |
| 11–20 years | 5% | 9% | 10% | 0% | 0% |
| 21–40 years | 41% | 47% | 42% | 50% | 33% |
| 41+ years | 43% | 33% | 34% | 38% | 33% |
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Table 29.12: Home heating method, by number of bedrooms, Wainuiomata
| Number of bedrooms | Electric | Gas | Wood burner | Multi-fuel | Open fire |
|---|---|---|---|---|---|
| 1 | 3% | 3% | 0% | 0% | 0% |
| 2 | 10% | 12% | 12% | 25% | 33% |
| 3 | 57% | 58% | 54% | 38% | 33% |
| 4 | 23% | 24% | 28% | 25% | 33% |
| 5 | 5% | 2% | 6% | 13% | 0% |
| 6 | 2% | 0% | 0% | 0% | 0% |
Tables for Section 29
November 2005
© Ministry for the Environment