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HEATING, VENTILATION & SERVICES
making the world at large change their misconceptions that allowing ventilation i.e. air to circulate, and airborne pollutants and water vapour to escape does not mean all the heat is escaping too. Build Tight Build Right (aka build
tight, ventilate right) is fundamental, especially with the increasingly obvious impact of climate change and rising energy bills. Overriding it, IAQ should be the first question addressed when designing buildings.
It is the education of people at every step: the building owners, architects, contractors and occupiers.
The importance of control and balance of the indoor air quality (IAQ) cannot be overlooked or forgotten
Architects specifically play a key role in the initial process, setting the IAQ needs and requirements. Correct airflow/ ventilation protects clients’ health, the building fabric (reducing repair and maintenance bills), the occupants, and ultimately the planet. Contributing pollutants can be designed out of buildings. Manufacturers are working on solutions, evolving systems that address the Document F guidelines (commercial versions of MVHR are a typical example), and taking the design aesthetics into account so the ventilation compliments and enhances
Ventilation for the built environment – combatting mould
Poor indoor air quality contributes to respiratory and allergy problems. Inadequate ventilation creates ideal conditions for condensation and mould growth. Vectaire’s MVHRs help tackle these problems. Incorporating two fans they deliver low level continuous ventilation – extracting stale air from wet rooms, and bringing in air from outside. The two, separated airfl ows pass through a heat exchanger, recovering heat from outgoing air and fi ltering it before transferring it to the incoming, fresh air supply. It’s then ducted to the living areas for a comfortable environment. The Midis, upright WHHRs, for loft or cupboard installation, are for residential properties up to 170 m2. They recover up to 94% of the heat from extracted air and have variable choice of trickle, boost and purge speeds, with summer bypass and integral frost stat and are available with or without LCD and humidistat. The “AT” versions (sound tested by BRE) operate really quietly (sound levels down to <5 dBA). There are two other models in this range – the Maxi for areas up to 250 m2 and the Maxi Plus for areas up to 400 m2.
01494 522333
www.vectaire.co.uk ADF10_Vectaire_Heating Ventilation & Services - Air
Quality_DPR.indd 1 Envirovent expands its range
EnviroVent, one of the UK’s leading ventilation manufacturers,
has released
two new and improved Decentralised Mechanical Extract Ventilation (dMEV) units, which are SAP 10 compliant and meet the latest Building Regulation requirements. The ECO dMEV+ range, includes the ECO dMEV+ and ECO dMEV+LC. Both are
SAP 10 listed, which means they meet the requirements of Approved Document L, Conservation of fuel and power, Volume 1: Dwellings, 2021 edition incorporating 2023 amendments.
0345 27 27 810
www.envirovent.com 29/09/2023 11:11 Sanifl o’s new Sanicubic GR HP range
Sanifl o has introduced two new models to its Sanicubic lifting station lineup. They offer a competitive balance between the popular Sanicom grey water lifting stations and classic Sanicubic models. The 1GR HP features a single pump, while the 2GR HP boasts twin pumps for uninterrupted operation. Designed to handle both grey and black wastewater, they incorporate Pro
XK2 grinder technology, an aluminium motor frame, and a robust Rotomoulder tank. These units offer easy maintenance access, adjustable motor power, and optional alarm or control boxes.
sales@sanifl
o.co.uk www.sanifl
o.co.uk
the overall scheme with special yet easily provided elements (such as illuminated coanda plates) or blending components/ products seamlessly into the background via its styling and/or finish. To pick up on an idea mooted
during World Ventil8 Day, and going back to the dirty water analogy, maybe we all need to push for a public certification scheme for IAQ, similar to the Building Energy Certificates, BREEAM, LEED, or even the star for hospitality venues; something that goes beyond aspirational, to become a ‘must have’ for customers in addition to the established cleanliness rating? With today’s software technology such as Computational Fluid Dynamics (CFD), it is easy to model and validate the IAQ at the design stage, thus enabling fine adjustments to be made. IAQ is a right. It is not something that should be ignored. It impacts our health, wellbeing and productivity wherever we are, and at all times. It is ‘the air we breathe.’
Roy Jones is technical director at Gilberts Blackpool
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ADF OCTOBER 2023
02/10/2023 09:03
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