do old habits die hard Ashley Morton 2 nd Year PhD student Loughborough University AMortonlboroacuk Introduction Research Aims The residential sector responsible for over ¼ of the UK CO ID: 309288
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Heating controls and influences on householders’ space heating behaviour – do old habits die hard?
Ashley Morton
2nd Year PhD student, Loughborough University (A.Morton@lboro.ac.uk)
Introduction
Research Aims
•The residential
sector
responsible for over ¼ of the UK CO
2
emissions
•UK
Government
committed to reducing CO2 emissions by 80% of 1990 level by 2050•Space and water heating is largest domestic energy user•New heating control technologies suggested as a means to save energy
“Buildings don’t use energy: people do”
K. B. Janda, 2009 To compare householders’ space heating behaviour evolution from installation of new heating control technologies •Both pre and post installation behaviour and differences between use of the three different systems. • And how they affect energy demand within households
Methodology
Programmable thermostat with wireless communication to the boiler. Allows householders to change set-point temperatures and set heating schedules.
Touch screen in-home display unit linked to temperature sensor with wireless communication to the boiler. Allows householders to change temperatures and schedules similar to System 1 with the added benefit of energy consumption data viewable on in-home display unit.
Similar to System 3 with in-home display with energy consumption information and additional programmable TRV’s. The programmable TRV’s allow for each room with one to be given a different temperature set-point and heating schedule to suit the householders.
• Combination of qualitative methods supported by quantitative data
• Total of 15 households which shall be monitored for 16 months, including some pre-installation data.
• Qualitative work shall focus on gaining in-depth knowledge of how occupants use their heating system and what behavioural traits are uncovered.
Whole house interactive activity
Follow up interview
Pre-installation household interview
System 1
installed
System 1 remains
System 2 installed
System 3 installed
Weekly energy ‘diary’ after installation for 4 weeks
Weekly energy ‘diary’ after new installations for 4 weeks
Questionnaire on controls
Final household interview
Some initial results
• A focus group on heating use was carried out during the summer
• Questions related to topic areas of interest for the main study such as heating habits
• Discussion covered;
◊
Most
important
factors
◊
Influences
on heating
use
◊ H
eating
control
strategies
◊ N
egotiations of heating
◊ H
eating for alternative purposes than providing warmth
• Cost was identified as being important but no participants said it currently drove their heating use.
“I’m a cold blooded person so heating is important to me. I’d
stint on food before I’d stint on heating
”
“I love to be warm I really hate to be cold so I
probably live in an overheated house
but that is just how I like to live”