Passivhaus certification requires a Summer Comfort Statement, signed by the building owner, detailing the thermal comfort strategy, design assumptions, overheating risks, and stress testing. This template supports certification, accommodating buildings with active cooling by presenting expected cooling results.
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Explore PHI Passivhaus criteria for energy-efficient, affordable, and comfortable buildings. This guidance offers practical insights into sustainable design, rigorous certification, and optimizing energy performance. Enhance living conditions and support a greener future with Passive House principles.
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As the adoption of Passivhaus continues to grow in the UK, we are watching more sizeable projects emerge with increasing complexities that bring new challenges. This on-demand mini-series covers some exciting, detailed case studies & the latest research on large & complex Passivhaus.
To obtain a clearer picture of Passivhaus costs in the UK, AECOM, in conjunction with the Passivhaus Trust, has undertaken a research study into the capital cost of building to certified Passivhaus standards across a number of affordable housing projects in the UK, using a standardised cost tool to compare projects on a like for like basis.
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Explore the relationship between Passivhaus and embodied carbon. Get access to the on-demand recording of the popular webinar to learn more about the Trust’s Embodied Carbon paper, followed by engaging presentations from key experts. It is an excellent opportunity to learn first-hand from industry practitioners as they share real-life case studies and valuable lessons learnt.
We often take ventilation for granted; most buildings in the UK rely on draughts and leaks! Continuous fresh air & eliminating cold draughts is a key comfort factor for Passivhaus buildings. Often the steepest learning curve is reaching the airtightness target. Breathe easy with this new good practice guide.
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Explore the optimal timing and strategy for installing air source heat pumps (ASHPs) in retrofit projects. It examines the impact of ASHP installation during various fabric improvement stages using modeling and PHPP to estimate energy demand and running costs, aiding informed decisions for efficient retrofit planning.
This guide highlights significant synergies between the priorities of social housing providers and the multi-faceted benefits of successfully building and delivering Passivhaus homes. The aim is to explain why social housing providers should be aiming for Passivhaus and how to successfully implement the Standard.
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The need for this Quality Assurance guide has arisen from the rapid growth of the Passivhaus Standard within the UK and the recognition that with the increased volume, scale and complexity of building projects, that it takes an increasingly well structured quality assurance system to maintain the required standards of design and construction.
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This document with ATTMA provides the technical standard to be followed for the air tightness testing of Passivhaus and other low energy buildings as required as part of a Passivhaus or low energy building design.
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ATTMA Technical Standard L4 (TSL4)
Publication
The Managing Moisture on-demand course explores moisture-safe retrofitting for energy efficiency. Learn to prevent moisture issues in building fabric and structure while retrofitting. Gain expert insights and advanced knowledge in moisture management for safer, healthier buildings. Ideal for professionals seeking to enhance retrofit practices.
The Passivhaus Trust has developed guidance accompanied by a PHPP plugin to calculate more representative monthly average internal temperatures for existing buildings and an overall average for the heating season. These temperatures can then be used in the PHPP heating demand calculation to achieve a more accurate indication of energy demand.
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For multi-residential or non-residential buildings the Passivhaus Certifier may require dynamic thermal modelling to adequately evaluate summer comfort and overheating risk. This guidance from the UK Certifiers’ Circle aims to establish a common approach to modelling, reporting and user handover in these scenarios.
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PHPP is a proven tool for assessing overheating risk. It has already been deemed to satisfy Part O of the Building Regulations (England & Wales) by several Building Control services, and should be accepted as an alternative means of compliance in place of the ‘simplified method’ and the ‘dynamic method’ for single-family dwellings and simple building forms.
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This paper serves as a starting point for discussions and agreements between project teams and certification bodies regarding roles, responsibilities, and expectations for achieving Passivhaus certification. The scope of services it presents is designed to be adaptable and applicable to various project types and scales.
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There is an urgent imperative to decarbonise home heating, but we also need better housing that is more comfortable, healthier and cheaper to run. How do we enable heat pumps and fabric to work in synergy to maximum effect? This paper aims to answer the question by modelling heat pump installation at different levels of home retrofit.
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Thermal bridging contributes significant heat loss which results in uncertainty during the design development of concrete frame buildings. At the same time thermal bridge modelling can become a high cost design activity, with frequent update requirements. We will explore strategies for risk mitigation at early stage design, share λ- and ψ-values we have calculated for different situations and present some general observations from our 2D and 3D thermal bridge modelling….
Don’t miss this opportunity to learn about the UK’s first Passivhaus-certified Extra Care facility, with a deep dive into Edward’s Court. Benefit from real-life examples and expert guidance from PHT Patron Architype. Learn how to overcome technical challenges in large and complex care homes while ensuring safe, comfortable and healthy housing for residents.
Join Passivhaus consultants and MEP designers Alan Clarke and Gwilym Still, Max Fordham LLP for an insightful discussion on the pivotal role of heat pumps in large and complex Passivhaus projects. Dive deep into essential design considerations, drawing on real-world case studies and the lessons gleaned, so far, from practical experiences. Throughout this session, Alan and Gwilym will share their wealth of knowledge, offering design tips for effectively integrating heat…
Air tightness design and air testing of large multi-residential blocks presents a number of design and practical challenges, especially in locations where planning requirements require building emission rates to improve upon Part L, such as within the Greater London Authority region. Issues we will cover are: defining the thermal envelope, choosing compartments for pressure testing, co-pressurisation tests, air tightness requirements for individual dwellings, interim testing and final testing including tall…
Airtightness & testing for multi-residential blocks
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Kick off the 2024 series with insights into design challenges for super-sized Passivhaus from PHT Patron and WARM experts. Learn essential dos and don’ts for large projects, including ventilating big buildings and incorporating strategies into the Passivhaus Planning Package (PHPP). Discover whether duct lengths matter and the pros and cons of centralised versus decentralised systems. Join a live session with Sally Godber and Liam McDonagh-Greaves of WARM for expert advice…
As the adoption of Passivhaus continues to grow in the UK, we are watching more sizeable projects emerge with increasing complexities that bring new challenges. This on-demand mini-series covers some exciting, detailed case studies & the latest research on large & complex Passivhaus.
This course covers MVHR installations, highlighting their benefits in controlling CO2, temperature, and humidity. It addresses common commissioning, maintenance, and handover issues, emphasizing the importance of proper setup and user training. Key concepts include soft landings and ongoing monitoring to ensure system performance, with a strong focus on engaging users to maintain the Passivhaus standard effectively.
In “How to Build a Passivhaus: Building Services & Quality Assurance,” participants delve into building services beyond heating, hot water, and renewables. Discover the significance of efficient construction management, thorough testing, and meticulous inspections. Gain insights into optimising building services for Passivhaus standards while ensuring quality assurance throughout the construction process. This session equips attendees with essential knowledge and strategies to effectively integrate building services into Passivhaus projects, ensuring energy…
In this lesson, you will learn the options for constructing the building envelope and other factors affecting fabric heat loss. You will explore methods for constructing the building envelope to minimize fabric heat loss. Key topics include the selection and installation of windows and doors, addressing junctions and thermal bridging, and ensuring airtightness. The lesson also covers quality assurance practices to maintain high standards throughout the construction process, ensuring the…
Explore the advantages of Passivhaus for superior building performance and comfort in this on-demand course. Understand key principles and certification criteria, enabling effective project planning. Discover how redesigning the process can revolutionize design and delivery. Delve into the pivotal role of PHPP as a design and quality assurance tool throughout construction. Gain invaluable insights to elevate your Passivhaus projects from inception to completion.
This webinar accompanies our guidance “Air-to-water heat pumps” which simplifies critical design elements with a special focus on air-to-water heat pumps, shedding light on both common oversights and advanced considerations that can elevate building performance to meet diverse energy standards.
Master steel construction strategies and tackle airtightness, thermal bridging, and moisture concerns effectively. Navigate the complexities of fire-related insurance requirements and subcontractor design elements with confidence. By the end of this module, you’ll grasp essential insights into optimising steel construction practices and addressing critical issues, ensuring efficient, safe, and durable building projects.
The Passivhaus standard has now been embraced across various scale and sectors, to widen the impact of energy efficient and sustainable building practices. Lessons learned from large and complex buildings highlight the impact of building size and complexity on the design and construction processes and how the Passivhaus Overlay for the RIBA Plan of Work can be used to facilitate the successful delivery.
Building leisure centres to the Passivhaus standard is estimated to save up to 70% of energy compared to a standard leisure centre. The Passive House Institute delivered a presentation on Passivhaus pool design at the 2022 UK Passivhaus Conference. Get into the details of St. Sidwell’s Point, the UK’s first Passivhaus leisure centre. Learn about exciting new UK leisure centres targeting Passivhaus and design tips for Passivhaus pools.
In the non-domestic retrofit course, participants learn to apply Passivhaus to large multi-residential projects, including various typologies, and establish a fabric-first strategy to achieve net-zero operational carbon. The course covers defining the airtightness layer, extending the thermal envelope, and optimising service locations to enhance performance in non-domestic buildings.
This Passivhaus Retrofit course concentrates on applying Passivhaus principles to large multi-residential projects, stressing streamlining techniques, prefabrication, and EnerPHit certification to align with climate goals. Participants tackle barriers to deep retrofit, harness scale advantages, and manage challenges like diverse tenures and integrating mechanical ventilation heat recovery systems. They also consider the social impacts and future-proofing benefits of EnerPHit in reducing fuel poverty and achieving net-zero goals.
This Passivhaus Retrofit course provides a step-by-step approach to retrofitting, comparing EnerPHit with PAS 2035, offering practical insights from retrofitting a mid-terrace property. It also covers certification requirements for step-by-step EnerPHit, focusing on managing moisture, dust, and mess effectively throughout the retrofit process to improve heating demand and indoor air quality.
In this Passivhaus Retrofit course focused on cavity walls, participants learn about practical retrofit measures, successful retrofit ingredients like energy conservation, and the advantages of external wall insulation. The course also covers the importance of a robust ventilation strategy, addresses moisture sources and risks in cavity walls, and explores challenges and optimisation options for heating systems post-retrofit.
This Passivhaus Retrofit course covers the comparison between EnerPHit, AECB, and LETI standards, emphasizing design fundamentals like airtightness and ventilation strategies, as well as addressing moisture risks and insulation system choices. Participants also learn techniques for detailing junctions with internal wall insulation in heritage buildings to mitigate thermal bridging and manage moisture, along with the critical considerations for window apertures in relation to heritage preservation and energy efficiency.
Join Sarah Lewis from Passivhaus Trust for a free introductory session on Passivhaus Retrofit, contextualizing it within the UK’s net-zero goals. Explore EnerPHit options and tools for retrofitting, understanding the relationship between retrofit and renewable energy. Gain insight into the depth required for effective EnerPHit Retrofit and learn to utilise a comprehensive EnerPHit-informed Retrofit Plan (EiRP). Discover how the Periodic Heating Tool enhances internal temperature representation during the heating season….
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