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Published byMelanie Frederica Bell Modified over 8 years ago
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Case Study – Plummerswood Wayne Butler Gaia Group
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Agenda Introduction to Project Thermal Imaging MVHR System Design Issues and Operation Monitoring Results – Energy Monitoring Results – Environment Other Lessons Learned Gaia Group
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Location Gaia Group
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Location Gaia Group
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Ground FloorFirst Floor Gaia Group
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Ground Floor - Hall Gaia Group
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Ground Floor – Living Room Gaia Group
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First Floor – Link Bridge Gaia Group
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First Floor – Bedroom 2 Gaia Group
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Building Envelope Gaia Group
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Mass timber superstructure Air tightness membrane Thermal insulation Rain screen Air gap Building Envelope Performance Air permeability: 0.6m 3 /hr/m 2 @ 50Pa U-values: Wall: 0.14 Floor: 0.12 Roof: 0.12 Windows: 0.8 Gaia Group
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Building Envelope: Thermal Imaging Gaia Group
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Thermal Imaging Gaia Group
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Heating & Ventilation Performance Objectives MVHR used to ventilate for: Heating building; Ventilation for moisture control; Ventilate to dilute pollutants e.g. off-gassing furniture Ventilate for CO 2 control Gaia Group
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Heating & Ventilation Gaia Group
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Heating & Ventilation Gaia Group
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Heating & Ventilation Balance heat losses CO 2 control feedback Internal heat gains Moisture gains and migration Dining RmKitchen Living Rm StudyBathroomUtility Master BedEnsuite Main Hall Bedroom 2 Bathroom Bedroom 3 Gaia Group
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Other Services Domestic Hot Water Gaia Group
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Aims MVHR Solar thermal External blinds Hygroscopic materials Gaia Group
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Monitoring Strategy Gaia Group
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Monitoring Strategy Energy Total Electricity Sub Metering MVHR Electric Element MVHR Fan Solar Water Pump Domestic Hot Water Element Kitchen Hobs Kitchen Oven 1 Kitchen Oven 2 Utility Sockets Lighting 1 Lighting 2 Gaia Group
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Total Energy Consumption Domestic Hot Water ElementMVHR HtgSmall Power Biodisc Gaia Group
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Total Energy Consumption Gaia Group
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Total Energy Consumption 2012 versus 2013 2012 2013 Gaia Group
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Total Energy Consumption 2012 versus 2013 2012 2013 375dd386dd Gaia Group
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Total Energy Consumption 2012 versus 2013 2012 2013 306dd365dd Gaia Group
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Total Energy Consumption 2012 versus 2013 2012 2013 248dd429dd Gaia Group
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Total Energy Consumption Domestic Hot Water ElementMVHR HtgSmall Power Biodisc Gaia Group
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TM22 Gaia Group
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Monitoring Strategy Environment Temperature & RHCO 2 Gaia Group
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Monitoring Strategy CO 2 Control Gaia Group
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Monitoring Strategy CO 2 Control – MVHR Off Gaia Group
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Monitoring Strategy CO 2 Control – MVHR On Gaia Group
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Monitoring Strategy CO 2 Control – MVHR Off & Trickle Ventilation Gaia Group
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Monitoring Strategy CO 2 Control – Coincident Temperature 10 15 20 MVHR OFFMVHR ONMVHR OFF Trickle 21:00 10:00 21:00 10:00 21:00 10:00 Gaia Group
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Environmental Monitoring - January Gaia Group
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Environmental Monitoring - June Gaia Group
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Environmental Monitoring – Annual Humidity JanFebMarApr MayJunJulAug SepOctNovDec Gaia Group
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Environmental Monitoring – Annual Humidity Gaia Group
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Other Findings MVHR Filters Replacement Interval: Every 3 months Cost: £200 per year Gaia Group
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Other Findings Standby Power Essential MVHR Electric Element MVHR Fan Kitchen Sockets Borehole Water Pump Non Essential Biodisk Gaia Group
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Thank you wayne.butler@arup.comsandy@gaiagroup.org Gaia Group
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