Eco Homes Business – my notes from discussion

НазваниеEco Homes Business – my notes from discussion
Дата конвертации09.02.2013
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Eco Homes Business – my notes from discussion

The idea is to generate information resources for those whose commercial future demands an understanding of how prospects and opportunities within housebuilding and its supply chain will be affected by considerations of sustainability.

This means identifying the most authoritiative and understandable sources – the thought leaders. Who are the influential commentators? Who are “the smartest people in the field”?

It means understanding the industry as it is now, and how it could be.

The geographic scope is international: what is to be learnt from experience in other countries?


Different perspectives:

Questions private sector is asking

What are the knowns, the unknowns, the unknowables?

Public sector role

policy, legislation, standards, interventions (incentives/ penalties), support for R&D, –how stable, what interventions now, what in future, what difference will they make in the market?



Housebuilding - value chain - design, “fabric”, construction, services

riba, nhbc, hbf, cibse

Power - grid, distributed energy generation;

“energy efficiency industry” – heat pumps, solar, PV, microgeneration, etc

Potential new entrants to retrofit (Green Deal – B&Q, Sainsbury, others)

Consumers – choice of purchase; how their behaviour affects performance of house

Investors in social housing

Finance – mortgage lenders; capital provision

Technical : R&D – Technology Strategy Board and knowledge transfer partnerships (universities); BRE, housebuilder and supplier R&D; Zero Carbon Hub

Price/performance of different solutions Passivhaus

New homes / retrofit – balance of interest – balance of overlap of solutions

Housebuilding industry structure: volume builders; niche specialists;

Industry structure other big players:

glass and glazing

building products: masonry / concrete

framing systems


What information sources already serving this market?

My Datadump

Wikipedia articles

The following articles on Wikipedia are useful: (Canada) (UK for kick starting growth in PV) – replaced by RHI)

Identification of Expertise and Excellence in New Industry New Jobs (NINJ) – Low Carbon Buildings

By CURDS, GHK, and Technopolis Group (OR )

This is the nearest I’ve found to having an economic focus, though it is about buildings generally, not just domestic residential



1.1 Core and Range of Technologies...................... 1

1.2 Applications................ 2


2.1 Science and Technologies................. 4

2.2 Commercialisation .......... 5

2.3 International and National Standing.............. 6

3 THE VALUE CHAIN....... 8

3.1 Applications, Products and Markets.............. 8

3.2 Drivers of Demand..... 11

3.3 The Chain of Inputs and Outputs .... 21

3.4 The Position of UK Producers................................................. 23


4.1 The Interface between science, R&D and business .... 25

4.2 Industrial Capacity...... 29

4.3 Framework Conditions 31


5.1 Technology by Region 33

ANNEX 1: LIST OF CONSULTEES............. 36

Some excerpts, useful for segmentation:

Low Carbon Building (LCB) technologies fall into two key areas:

building fabric (materials, including electronic controls) and

renewable energy for buildings (microgeneration).


Window Technologies

§ Electro Chromatic Window Glass

§ Double Glazed Units

§ Triple Glazed Units

§ Advanced Plastic Thermally Insulated Frames

§ Honeycomb Systems

§ Insulated Alloy Frames

Door Technologies

§ Insulated Plastic Doors

§ Insulated Alloy Doors

Insulation and Heat Retention Materials

§ Wall Insulation Materials

§ Controlled Venting & Ducting

§ Heat Retention Ceramics

§ Heat Retention Surfaces

§ Fibre Insulation Materials (Roofing)

§ Granular Insulation Materials

§ Electronic Control Systems

Monitoring and Control Systems

§ Motorized Valves and Actuators

§ Sensing Devices

§ Inter Building Electronic Control Systems

§ Balanced Inter Building Heating Systems

§ Energy Monitoring Systems

Source: Adapted from Innovas, Low Carbon and Environmental Goods and Services;
An Industry Analysis, 2009

In addition to these materials technologies, there are a number of different microgeneration technologies offering low carbon or carbon-neutral ways to produce heat and/or electricity. The Department of Energy and Climate Change (DECC) provides a list of these technologies, split between two groups:

Microgeneration technologies for heat generation

Solar thermal water heating

systems comprising solar collectors, a heat transfer system and a hot water store. A 4sqm solar collection area will provide 50-70% of a typical home's annual hot water requirement.

Ground source heat pumps (GSHP)

use warmth from the ground to heat fluid circulating through pipes. A heat exchanger then extracts the heat, while a compression cycle raises the temperature to supply hot water for heating.

Air source heat pumps (ASHP)

operate in a similar way using temperature differentials in the air (although less efficient than ground source heat pumps

Biomass stoves and boilers

can burn wood (pellets, chips and logs) and non-wood fuels to provide space and/or water heating

Microgeneration technologies for electricity generation

Micro and small wind turbines

use wind to drive a generator and produce electricity. Designs typically involve three blades mounted on a tall mast, or the building itself.

Solar photovoltaic (Solar PV)

generates electricity from sunlight using small-scale PV modules as roof mounted panels, roof tiles and conservatory or atrium roof systems. A typical PV cell consists of two or more thin layers of semi-conducting material (usually silicon), which generates an electrical charge when exposed to light.


typically used in hilly areas, river valleys or anywhere with a flow of water. The amount of electricity produced depends on the quantity of water and the speed of the flow.

Micro combined heat and power (CHP)

systems using natural gas (or fuel cells) to provide electricity as well as heat, using either reciprocating engines or Stirling engines.

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