Ventilation - passivehouseplus.co.uk

Evidence of COVID-19 infections in poorly ventilated spaces stars

The airborne transmission of COVID-19 may be a risk in enclosed spaces with air recirculation or poor fresh air ventilation, with one study concluding that airborne transmission may have occurred in 48.3% of people in a poorly ventilated office and 34.3% of passengers on an air conditioned bus.

Humidification can help prevent infection — VentHeat

Irish heating and ventilation supplier VentHeat has launched two new humidification systems to the Irish market, both of which are designed to help stop the spread of bacteria and viruses within buildings.

Know your mechanical ventilation options — S&P

S&P Ventilation, the Irish subsidiary of global manufacturer Soler & Palau, has advised anyone building a new home to familiarise themselves with recent changes to Part F of the building regulations.

VentHeat launch compact heat pump & MVHR systems to Ireland

VentHeat, a new Irish company specialising in heating, ventilation and air conditioning systems for passive house and low energy buildings, has launched the Pichler PKOM4 compact heat pump system to the Irish market. The system combines heating, cooling, ventilation and domestic hot water in one passive house certified unit with a footprint of less than 0.75 m2.

Beam Vacuum & Ventilation awarded three new ISO certs

Beam Vacuum & Ventilation has announced that they have successfully achieved certification against the requirements of ISO 9001 (quality management), ISO 14001 (environmental management), and ISO 45001 (occupational health and safety), while also meeting the Safety Schemes in Procurement (SSIP) for contractors’ criteria.

Lamilux smoke vent rooflights suitable for passive house

Alongside its portfolio of passive house certified skylights and roof glazing (phA advanced components) Lamilux has extended its product range to include Smoke Vent AOVs (automatic opening vents).

Internet of Things dominates ISH 2019

Today is the last day of ISH, the bi-annual exhibition for the combined topic of water and energy, which is on at the exhibition grounds in Frankfurt. Titled as ISH, it is the world’s leading trade fair for a range of associated topics, materials and services.

Key ventilation event to run alongside Energy Show

A must-attend free event on ventilation in low energy buildings will run alongside this year’s Energy Show – with a chance to gain rare insights from a world class panel of expert speakers on a subject that is increasingly taking centre stage as new build and retrofit ambitions increase.

New NUIG study to examine ventilation in A-rated homes

A research project examining the effectiveness of ventilation systems in low energy homes is one of 45 new sustainable energy projects to receive government funding in companies and institutions across Ireland.

BER data: sick buildings risk while new build surges

Over a third of new homes may be sick buildings which fail to comply with minimum ventilation requirements under Part F of the building regulations, new analysis by Passive House Plus has indicated.

Versatile appoints passive house specialist

Michael McCarthy, a certified trainer with the Passive House Academy and an international authority on the passive house standard as lead passive house certifier on the MosArt team, has joined Versatile as the new ventilation specialist within its heating, cooling & ventilation division.

Breaking the mould in Thamesmead

The net effect of poor insulation levels, underheating and under-ventilation in buildings poses a major public health threat. Peter Rickaby describes one pioneering London project that’s taking a practical, methodical – and scalable – approach to solving the problem.

Fresh-r wins passive house component award

The Dutch company Fresh-r has won the passive house components award at the 22nd annual Passive House Exhibition in Munich, for its decentralised residential ventilation system. Fresh-r worked together with the Scottish firm Collective Architecture on its submission for the award, which was presented at this year’s international Passive House Conference.

New build homes face emerging ventilation crisis

Despite increasing standards of insulation and airtightness, housing developers face few requirements to provide better ventilation and indoor air quality for new home buyers — beyond knocking extra holes in walls. But as reports of condensation and mould affecting new housing developments continue to surface in both the UK and Ireland, and research indicates many new homes may have poor indoor air quality, are developers finally waking up to the need for properly engineered ventilation systems?

Flaw in NSAI retrofit code raises ventilation concerns

The National Standards Authority of Ireland has appeared to acknowledge a major discrepancy spotted by Passive House Plus in SR 54, its code of practice for the retrofit of homes, that could give rise to inadequate ventilation and poor indoor air quality in some dwellings upgraded to the code.

Major office scheme passes DLR’s passive house or equivalent policy

A major new Dublin development by semi-state electricity company ESB is set to become one of the first major commercial construction projects in Dún Laoghaire– Rathdown to meet the area’s “passive house or equivalent” requirement for all new buildings.

Indoor air concerns about government’s healthy upgrade scheme

Questions have been raised about ventilation standards under the government’s new Warmth & Wellbeing scheme, which provides free energy efficiency upgrades to people over the age of 55 living in Dublin 12 and 24, who experience energy poverty and are also suffering from respiratory conditions.

Detail out flat roof condensation - Partel

Low energy building and airtightness specialists Partel have warned of the importance of ensuring any flat roof construction is properly designed to prevent interstitial condensation and the accumulation of moisture. 

Essex house nears passive against the odds

When Mike Jacob of Trunk Low Energy Building started planning to build this unique Essex home, it seemed likely to run way over budget, and still fail to meet the passive house standard. But rethinking key details and making tough compromises got the house within touching distance of passive, while slashing costs.

Natural ventilation - does it work?

Such is the importance of ventilation, it’s only right and proper that the efficacy of innovative mechanical solutions such as heat recovery ventilation and demand controlled mechanical extract ventilation is established
based on robust, comprehensive evidence. But how does natural ventilation fare when subjected to the same degree of scrutiny, and can it work in low energy buildings?

New passive house components presented in Germany

.A range of newly certified passive house components were presented in January at the Deubaukom trade fair in Essen, Germany, including windows designed for use in the arctic and northern Scandanvia.  

PHI publishes research on passive house in tropical climates

The Passive House Institute has published a new study that looks at designing passive buildings for tropical climates. The study concludes that the key design criteria for such buildings include,"a very airtight building envelope, 10 to 15 cm of insulation, solar control glazing, fixed external shades for the windows and ventilation with both heat and energy recovery".

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