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Homes for living in: feedback from residents
Mark Siddall, leap
Scepticism about Passivhaus
• Energy
• Comfort
– Over heating
– Humidity– Humidity
Underlying question
“Does the Passivhau...
Who is Mark Siddall?
1. Design Considerations
Measured versus predicted heat loss coefficients
150.00
200.00
250.00
300.00
Heatloss(W/K)
Predicted
Measured
Passivhaus
D...
3. Case studies - Coheating test
Predicted
(W/K)
Measured
(W/K)
Error compared
to target (W/K)
Dwelling Type
Racecourse Dw...
"In buildings people are the best measuring instruments, they are just harder to calibrate."
- Gary Raw, UK Director of th...
“Before it was hard work having family come
to stay. In the summer everything was okay
but a bit depressing in the winter....
5. Feedback: Racecourse
“These bungalows are beautiful, we haven’t had our
heating on yet! My husband was always cold befo...
4. Occupant surveys
• Occupant surveys are often bespoke
Strength
• Robust project specific information gathered• Robust p...
4. BUS Survey: What is it?
• Building Use Studies survey (BUS survey)
• BUS is a statistically validated benchmarking tool...
4. BUS Survey: What is it?
• Developed in 1985 as a 16 page questionnaire (non-
domestic)
• Emerged from POE studies of no...
4. BUS Survey: What is it?
• 2006, the domestic version
• Consists of a 3 page occupant survey and an analysis tool
•BUS t...
4. BUS Survey: Structure
34 criteria
• Includes aspects of
• Thermal comfort during
summer and winter
• Security
• Space p...
4. BUS Survey: Structure
• Security
• Space provision
• Location
• Age
34 criteria
• Includes aspects of
• Thermal comfort...
4. BUS Survey: Methodology
Survey 1: 2013
•25 Passivhaus homes
• 21 responses were received
(response rate of 84%)
Survey ...
4. Case study – Racecourse BUS Survey
Age: Number of others >18 yr:
At home:
Has living here changed your lifestyle ... ?
...
4. Case study – Racecourse BUS Survey 1
Age: Number of others >18 yr:
At home:
Has living here changed your lifestyle ... ...
4. BUS Survey: BUS Comfort Index
Survey 1: 2013 Survey 2: 2014
Courtesy of the Leeds Metropolitan University
4. BUS Survey: BUS Satisfaction Index
Survey 1: 2013 Survey 2: 2014
Courtesy of the Leeds Metropolitan University
4. BUS Survey: BUS Summary Index
Survey 1: 2013 Survey 2: 2014
Courtesy of the Leeds Metropolitan University
4. BUS Survey: Comfort: overall
Courtesy of the Leeds Metropolitan University
4. BUS Survey:
Courtesy of the Leeds Metropolitan University
Overall Winter Satisfaction - Comfort
4. BUS Survey:
Courtesy of the Leeds Metropolitan University
Overall Summer Satisfaction - Comfort
4. BUS Survey: Temperature
hot/cold
stable/varies
hot/cold
stable/varies
In winter:In summer:
overall
stable/varies
overal...
4. BUS Survey: Temperature
Courtesy of the Leeds Metropolitan University
Summer Satisfaction - Temperature
Lesson:
Provide...
4. BUS Survey: Temperature
Courtesy of the Leeds Metropolitan University
Winter Satisfaction - Temperature
1) tenants are ...
4. BUS Survey: Stability
Courtesy of the Leeds Metropolitan University
Winter Temperature Stability
4. BUS Survey: Stability
Courtesy of the Leeds Metropolitan University
Summer Temperature Stability
4. BUS Survey: Air Quality
fresh/stuffy
odourless/smelly
still/draughty
In summer:
dry/humid
overall
still/draughty
Courte...
4. BUS Survey: Air Quality
fresh/stuffy
odourless/smelly
still/draughty
In winter:
dry/humid
overall
still/draughty
Courte...
4. BUS Survey: Perceived Air Quality
still/draughtyodourless/smell
Courtesy of the Leeds Metropolitan University
National ...
4. BUS Survey: Noise
Noise: noise from outside
Noise: noise from other people
Measurements confirmed
the range of 21 to 23...
4. BUS Survey: Control
Control over lighting
Control over heating
Control over cooling
Control over noise
Control over ven...
4. BUS Survey:
Health (perceived)
Layout
Health
Space
Storage
Courtesy of the Leeds Metropolitan University
Design
4. BUS Survey: Lighting
Lighting: artificial light
Lighting: natural light
Lighting: artificial light
Lighting: natural li...
4. BUS Survey: Utilities
Utilities costs for heating
Utilities costs for electricity Utilities costs for electricity
Utili...
6.0 Lessons Learned
BUS Survey
• High levels of comfort and satisfaction
• Occupants report an average/ good level of cont...
Thanks to the Technology Strategy Board and Gentoo
…and thank you for your time.
Photo MJSMark Siddall:
E: mark.siddall@le...
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Homes For Living In: Feedback from Occupants

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Nz ph conf homes for living in feedback from residents_r2

  1. 1. Homes for living in: feedback from residents Mark Siddall, leap
  2. 2. Scepticism about Passivhaus • Energy • Comfort – Over heating – Humidity– Humidity Underlying question “Does the Passivhaus standard deliver in other cultures and climates?”
  3. 3. Who is Mark Siddall?
  4. 4. 1. Design Considerations
  5. 5. Measured versus predicted heat loss coefficients 150.00 200.00 250.00 300.00 Heatloss(W/K) Predicted Measured Passivhaus Dwellings 1 & 2 3. Case studies - Racecourse (22 dwellings from the Leeds Met database 0.00 50.00 100.00 Heatloss(W/K) Courtesy of the Leeds Metropolitan University
  6. 6. 3. Case studies - Coheating test Predicted (W/K) Measured (W/K) Error compared to target (W/K) Dwelling Type Racecourse Dwelling 1 (Johnston et al, 2012b) 43.4 46.7 +3.3 (+7.6%) End- terrace Racecourse Dwelling 2 (Johnston et al, 2012b) 36.6 38.1 +1.5 (+4.0%) Mid- terrace Larch House 57.6 60 +/- 14 2.4 (+4.1%) DetachedLarch House (Jenkins, 2011) 57.6 60 +/- 14 2.4 (+4.1%) Detached Lime House (Jenkins, 2011) 37.2 41 +/- 8 3.8 (+10.2%) Detached Ford Close (Warm, 2012) 45.6 50.4 4.8 (+10.5%) Terrace
  7. 7. "In buildings people are the best measuring instruments, they are just harder to calibrate." - Gary Raw, UK Director of the Centre for Safety, Health and Environment "In buildings people are the best measuring instruments, they are just harder to calibrate.“ - Gary Raw, UK Director of the Centre for Safety, Health and Environmentfor Safety, Health and Environment
  8. 8. “Before it was hard work having family come to stay. In the summer everything was okay but a bit depressing in the winter. [I] had to shut of part of the house because of the cold. ...Now everything is much easier and more...Now everything is much easier and more cheery. [I] enjoy using the house the whole house.” - Judith Gospel, Steel Farm Passivhaus
  9. 9. 5. Feedback: Racecourse “These bungalows are beautiful, we haven’t had our heating on yet! My husband was always cold before we came here. It’s amazing we were just saying this morning how fortunate we were to be given the chance to live in one of these properties.” Courtesy of the Leeds Metropolitan University “The passiv bungalows are fantastic, I absolutely love my home and have settled in well here.” “It’s great in the cold weather my new home is cosy and warm and I don’t have to worry about heating costs any more as I rarely use it. I really like living here the bungalows are brilliant!”
  10. 10. 4. Occupant surveys • Occupant surveys are often bespoke Strength • Robust project specific information gathered• Robust project specific information gathered Weakness • Comparability between buildings/projects is often impeded
  11. 11. 4. BUS Survey: What is it? • Building Use Studies survey (BUS survey) • BUS is a statistically validated benchmarking tool • Developed by sociologist Adrian Leaman, now Courtesy of the Leeds Metropolitan University • Developed by sociologist Adrian Leaman, now managed by Arup
  12. 12. 4. BUS Survey: What is it? • Developed in 1985 as a 16 page questionnaire (non- domestic) • Emerged from POE studies of non-domestic buildings Courtesy of the Leeds Metropolitan University • Emerged from POE studies of non-domestic buildings (refined in PROBE studies) •Refined, in 1995, into a two page A4
  13. 13. 4. BUS Survey: What is it? • 2006, the domestic version • Consists of a 3 page occupant survey and an analysis tool •BUS tool was used in a number of domestic projects Courtesy of the Leeds Metropolitan University •BUS tool was used in a number of domestic projects funded by the Technology Strategy Board • Subjective appreciation for the range of criteria using a numerical scale (1 to 7)
  14. 14. 4. BUS Survey: Structure 34 criteria • Includes aspects of • Thermal comfort during summer and winter • Security • Space provision • Location • Age Courtesy of the Leeds Metropolitan University summer and winter • Overheating • Lighting, • Cooling and • Heating • Age • Gender • Space provision • Appearance • Tenure • Lifestyle
  15. 15. 4. BUS Survey: Structure • Security • Space provision • Location • Age 34 criteria • Includes aspects of • Thermal comfort during summer and winter Not Passivhaus Courtesy of the Leeds Metropolitan University • Age • Gender • Space provision • Appearance • Tenure • Lifestyle summer and winter • Overheating • Lighting, • Cooling and • Heating
  16. 16. 4. BUS Survey: Methodology Survey 1: 2013 •25 Passivhaus homes • 21 responses were received (response rate of 84%) Survey 2: 2014 •4 Passivhaus homes • 4 responses were received (response rate of 100%)(response rate of 84%) • Results plotted in graphical format against the BUS 2013 UK Housing benchmark (response rate of 100%) • Results plotted in graphical format against the BUS 2014 UK Housing benchmark
  17. 17. 4. Case study – Racecourse BUS Survey Age: Number of others >18 yr: At home: Has living here changed your lifestyle ... ? Courtesy of the Leeds Metropolitan University
  18. 18. 4. Case study – Racecourse BUS Survey 1 Age: Number of others >18 yr: At home: Has living here changed your lifestyle ... ? Courtesy of the Leeds Metropolitan University
  19. 19. 4. BUS Survey: BUS Comfort Index Survey 1: 2013 Survey 2: 2014 Courtesy of the Leeds Metropolitan University
  20. 20. 4. BUS Survey: BUS Satisfaction Index Survey 1: 2013 Survey 2: 2014 Courtesy of the Leeds Metropolitan University
  21. 21. 4. BUS Survey: BUS Summary Index Survey 1: 2013 Survey 2: 2014 Courtesy of the Leeds Metropolitan University
  22. 22. 4. BUS Survey: Comfort: overall Courtesy of the Leeds Metropolitan University
  23. 23. 4. BUS Survey: Courtesy of the Leeds Metropolitan University Overall Winter Satisfaction - Comfort
  24. 24. 4. BUS Survey: Courtesy of the Leeds Metropolitan University Overall Summer Satisfaction - Comfort
  25. 25. 4. BUS Survey: Temperature hot/cold stable/varies hot/cold stable/varies In winter:In summer: overall stable/varies overall stable/varies Courtesy of the Leeds Metropolitan University
  26. 26. 4. BUS Survey: Temperature Courtesy of the Leeds Metropolitan University Summer Satisfaction - Temperature Lesson: Provide secure ventilation for bungalows
  27. 27. 4. BUS Survey: Temperature Courtesy of the Leeds Metropolitan University Winter Satisfaction - Temperature 1) tenants are uncertain how they should control the heating system 2) that the internal gains are greater than expected, or 3) that both are factors in this feedback
  28. 28. 4. BUS Survey: Stability Courtesy of the Leeds Metropolitan University Winter Temperature Stability
  29. 29. 4. BUS Survey: Stability Courtesy of the Leeds Metropolitan University Summer Temperature Stability
  30. 30. 4. BUS Survey: Air Quality fresh/stuffy odourless/smelly still/draughty In summer: dry/humid overall still/draughty Courtesy of the Leeds Metropolitan University
  31. 31. 4. BUS Survey: Air Quality fresh/stuffy odourless/smelly still/draughty In winter: dry/humid overall still/draughty Courtesy of the Leeds Metropolitan University
  32. 32. 4. BUS Survey: Perceived Air Quality still/draughtyodourless/smell Courtesy of the Leeds Metropolitan University National situation: BSRIA found that 95% of the systems failed to meet the requirements contained within Part F of the UK Building Regulations Racecourse Passivhaus: Leeds Met established that the MVHR was commissioned appropriately.
  33. 33. 4. BUS Survey: Noise Noise: noise from outside Noise: noise from other people Measurements confirmed the range of 21 to 23 dB(A) Noise: overall Courtesy of the Leeds Metropolitan University Noise: overall
  34. 34. 4. BUS Survey: Control Control over lighting Control over heating Control over cooling Control over noise Control over ventilation Courtesy of the Leeds Metropolitan University Control over noise
  35. 35. 4. BUS Survey: Health (perceived) Layout Health Space Storage Courtesy of the Leeds Metropolitan University Design
  36. 36. 4. BUS Survey: Lighting Lighting: artificial light Lighting: natural light Lighting: artificial light Lighting: natural light Lighting: overall Courtesy of the Leeds Metropolitan University Lighting: overall
  37. 37. 4. BUS Survey: Utilities Utilities costs for heating Utilities costs for electricity Utilities costs for electricity Utilities costs for heating Courtesy of the Leeds Metropolitan University
  38. 38. 6.0 Lessons Learned BUS Survey • High levels of comfort and satisfaction • Occupants report an average/ good level of control • Occupants report an low heating bills and low/average electric billselectric bills • Some over heating risk despite perceived control
  39. 39. Thanks to the Technology Strategy Board and Gentoo …and thank you for your time. Photo MJSMark Siddall: E: mark.siddall@leapt.it t: 07795 031 700

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