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Keith Huntington
Keith Huntington
on Maximising Thermal Efficiency
Architectural Consultant

Keith Huntington of EcoRate Ltd is a registered architect involved in passive solar design and the objective analysis of buildings using thermal simulation modelling.

28 June 2021

NZBC H1 Compliance for Domestic Alterations

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Compliance with NZ Building Code clause H1 (Energy Efficiency) is straightforward for new builds, but for alterations to existing homes it is more complicated and can give unexpected results.

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24 May 2021

Planning for Photovoltaic Panel Installations on NZ Homes

solar panel house

For some time now, it has become settled that there is sense in planning for a future where photovoltaic (PV) panels will become a standard feature for new homes and major renovations, even though many owners are not prepared to install them ‘next week’.

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22 March 2021

Considering Thermal Insulation for Concrete Block Walls

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Because of their high thermal mass, the thermal insulation of concrete and concrete block walls in dwellings needs to be treated quite differently to those with lightweight framed or panel walls.

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22 February 2021

Hot Water: Gas or Electricity

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The recently released Climate Change Commission’s draft report for public consultation speaks of the need to reduce the domestic use of natural gas and LPG. This, and the inevitable depletion of the resource, will need to influence the way we design the water heating systems for our dwellings.

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27 October 2020

The Need for Embodied and Operational Carbon Reduction

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With New Zealand’s commitment to Net Zero Carbon Emissions by 2050, the built infrastructure sector of the economy will have a significant part to play if the target is to be met. The Residential Tenancies (Healthy Homes Standards) Regulations 2019 illustrates the need for lateral thinking.

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21 September 2020

R-Values and Product Selection

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The process of designing and selecting insulation materials for the thermal envelope of a building is not a simple task.

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27 July 2020

Heat Pumps and Working From Home

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Heat Pumps are now well established as a heating source for the home which suits family life as it has been for the last decades, but will they have the same dominance following the disruptive game-changer of Covid-19?

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25 May 2020

Covid-19 and Shovel-Ready Projects

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‘Shovel-Ready’ is the adjective of the moment, but is it to be a 2019 descriptor or a 2021 descriptor? This will be important in 20 years time when the decisions about to be made will be well cemented in.

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28 April 2020

Considering Thermal Windows

Image by Pezibear from Pixabay

Windows form an important barrier and connection between the wide outside world and the cosy private environment of the building’s occupants. As the weakest point, attempts have been taken by industry to address the thermal vulnerability of this necessary building element.

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20 February 2020

Sustainable Water Supply

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With the current shortage of rain in much of NZ, especially in the North, it is appropriate to recognise the long-term change in rainfall patterns and to give serious consideration to having water storage for domestic use at most dwellings.

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