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 HEEP

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The Household Energy End-Use Project (HEEP) was a long-term study with the objective to measure and model the way energy is used in New Zealand households.

Open the HEEP Energy and Temperature Data tool to explore data collected in the Household Energy End-use Project (HEEP) from 1999-2005.

The project was funded continuously by the Building Research Levy and at various times in various ratios by FRST, EECA and others and was the most thorough investigation of the way that energy is used in New Zealand homes since the 1970s.

The envisaged model of residential energy use used physical building and appliance characteristics as well as socio-demographic factors to describe the energy consumption patterns and some of the energy services, in particular, the achieved indoor temperatures. The model was used to understand current and future national household energy requirements and as a tool to evaluate the implications of building and appliance performance changes.

The project commenced in 1995 with a pilot study and progressed to detailed data collection in 400 houses from throughout New Zealand. The sample includes households from large and small cities, urban and rural areas and both the North and South Islands from Kaikohe to Invercargill. (Coverage information is available from this coverage table (PDF 43KB), extracted from the Year 7 report.) Each house was monitored for about 11 months.

HEEP monitoring activities included a detailed occupant survey as well as a detailed house energy examination. The monitoring covered all fuel types (electricity, natural gas, LPG, solid fuel, solar water heaters) as well as temperatures in at least three locations.

Data collection was completed in 2005, and from Year 9, the reports provided regional and national statistics. Further information is covered in this background leaflet (PDF 266KB).

More information

Download HEEP reports and associated information by clicking the appropriate shop item below. For further information, contact HEEP@branz.co.nz.

 HEEP

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BU486 BRANZ Household Energy End-Use Project (HEEP)
$13.50 Add PDF to cart

Energy use in New Zealand households - Comfort, physics and consumption

Energy, income and well-being - where is the link?

Exploration of summer temperatures in New Zealand houses and the temperature drivers

Findings from the Household Energy End-Use Project (HEEP)

HEEP reveals national household energy uses

HEEP Seminar DVD
$20.95 Add DVD to cart
HEEP water heating fuels and systems

Hot water over time - the New Zealand experience

Household energy use in a temperate climate

Influences on summer indoor temperatures in a representative sample of New Zealand houses

Standby and baseload in New Zealand houses - a nationwide statistically representative study

SR221 Energy use in New Zealand Households - final HEEP report

SR155 Energy use in New Zealand households - report on year 10 of the Household Energy End-Use Project (HEEP)

SR141 Energy use in New Zealand households - report on year 9 of the Household Energy End-Use Project (HEEP)

SR133 Energy use in New Zealand households - report on year 8 of the Household Energy End-Use Project (HEEP)

SR122 Energy use in New Zealand households - report on year 7 of the Household Energy End-Use Project (HEEP)

SR115 Energy use in New Zealand households - report on year 6 of the Household Energy End-Use Project (HEEP)

SR111 Energy use in New Zealand households - report on year 5 of the Household Energy End-Use Project (HEEP)

SR098 Energy use in New Zealand households - report on year 4 of the Household Energy End-Use Project (HEEP)

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