Passive house primer - Steff Bell - FutureKomfort
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Transcript of Passive house primer - Steff Bell - FutureKomfort
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Renewable Energy Open Day
Scotland
ees-renewables.co.uk
0800 294 4104
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Steff Bell
FutureKomfort
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Passive House Primer
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Company Introduction
Company founded July 2012
Future Komfort provides designand consultancy services forPassive House and Low Energybuildings.
Based in Rosyth, Fife
Wealth of experience andknowledge in the Passive Housesector.
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PASSIVE HOUSE
STANDARDThermal Bypass
Space Heating DemandThermal Bridging
PE Demand
PHPP
PH MVHR System
Internal Surface TemperaturesClimate Data
Heating Load
20°C Temp
≤ 15kWh/(m²a)
Orientation & Form
PH Windows
≤ 120kWh/(m²a) ≤ 10W/m²
Understanding Passive House
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What is a Passive House? • A Passive House is a building in which a comfortableinterior climate can be maintained without active heatingand cooling systems. The house heats and cools itself, hencethe term “passive”. [FEIST 1988]
Key Elements of a Passive House
1. Optimised Orientation & Shape,
2. An Enhanced Building Envelope, Including:
- Super Insulation, Air-Tightness & Reduced Thermal Bridging,
3. PH Approved Windows & Doors,
4. PH Approved MVHR Systems,
5. Reducing the Buildings Energy Demand.
6. Meet the reduced heat demand with passive sources:- Solar gains & internal gains
Calculations: Performance is verified by the use of the PHPP calculation tool.
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Passive House Criteria:
Criteria New Build (Dom/Non-Dom) Retro-Fit
Space Heating Demand: ≤ 15 kWh/(m²a) ≤ 25 kWh/(m²a)Heating Load: ≤ 10 W/m² ≤ 10 W/m²Primary Energy Demand: ≤ 120 kWh/(m²a) ≤ 120 kWh/(m²a) Pressure Test Result ≤ 0.6 ach ≤ 1.0 ach Overheating Frequency: ≤ 10% ≤ 10%
• Passive House is a comfort standard as well
as an energy standard.
• Passive House construction adopts a fabricfirst approach
• Can be used for any type of building
19.121.
421.6
21.2operative
22Air
17.8
Understanding Passive House
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• Up to 90% Reduced Energy Demand
• Improved thermal comfort levels (Warm in
Winter, Cool in Summer)
• Excellent Indoor Air Quality
• Reduced maintenance & running costs
• The Backbone for Low Energy, sustainable, Zero Carbon buildings
Passive House Advantages
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Passive House Events
• 10TH INTERNATIONAL PASSIVE HOUSE DAYS13TH – 15TH NOVEMBER 2015
• UNIVERSITY OF ABERDEEN PASSIVE HOUSE NURSERY PROJECTOPEN DAY - 14TH NOVEMBER 2015 – 2 – 4PM
ALL VISITORS MUST BOOK IN ADVANCE!
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Thank You for Listening!
24 Fairykirk Road, Rosyth KY11 2QQ
Mob: 0774 8985 917
Tel: 0845 5199 372
www.futurekomfort.com
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Renewable Energy Specialists
ees-renewables.co.uk
0800 294 4104