Space-saving MVHR in small London end-terrace new build annexe

MVHR installed in black-clad eco home central London

Heat, Space and Light has installed an MVHR system into a small two-bedroom home built on what was previously the side garden area of a London end-terrace. With a floor area of less than 95m2, every square metre counted for this project internally. The Heat, Space and Light design team worked very hard to ensure … Read more

Supremely Efficient Dutch Barn New Build with High Performance Cooling via MVHR

Cross-laminated timber beams on show with the MVHR supply valve at low level

Heat, Space and Light Ltd has recently completed the design, supply and commissioning of an MVHR system with cooling via a reversible air source heat pump at a Dutch barn-style new build in Northamptonshire. The home has been built with a series of cross-laminated timber beams gently curved to mimic the dutch barn shape. Now … Read more

MVHR system balancing and handover in Surrey luxury eco new build

MVHR system installed into plant room next to Air Source Heat Pump and hot water cylinder

Our MVHR design and commissioning team has recently completed the detailed ductwork design, supply of materials and balancing of our Mechanical Ventilation with Heat Recovery system (MVHR) at a highly sophisticated new build home in Surrey. As part of our turnkey MVHR design, supply and commissioning service we’ve issued the MVHR Ventilation Airflow Measurement and … Read more

How to design and build a new home in 2021 which stays cool in UK summers (case study)

External shading blinds incorporated into windows to keep home cool in summer - Heat, Space and Light Ltd 2021

The top-ten warmest years in the UK have all occurred since 2002 according to the Royal Meteorological Society. And as homes are increasingly built to high levels of thermal efficiency for our cold winters, the risk of new build homes overheating in summer is massive – if not designed with overheating mitigation in mind. We … Read more

Early construction forensic air pressure test improves new building’s fabric air permeability by 50%

Forensic Airtightness Testing and Strategy by Heat, Space and Light Ltd has helped a new build home in Dorset achieve a drop in its final airtightness rate that will result in £100s of heating savings every year, turning it from a leaky home to an airtight home. Forensic air testing improves Air Permeability from 6.4 … Read more

90mm semi-rigid radial MVHR ducting installation in London deep energy retrofit

90mm semi-rigid ducting in webbed joists and passing through core-drilled blockwork wall for MVHR system

The first fix MVHR installation of a 90mm radial ducted Mechanical Ventilation with Heat Recovery (MVHR) system continues. Designed and supplied by Heat, Space and Light Ltd and installed by our recommended third party installers, the MVHR system forms part of the low energy retrofit of a 340m2 Georgian home in Finchley, London N2. The … Read more

Flat 51mm ducting MVHR system installation in low ceiling building

Flat 51mm semi-rigid ducting running pinned neatly to ceiling joists to prevent loss of room height

The Heat, Space and Light team has designed and supplied a flat 51mm semi-rigid ducting MVHR system for a basement home in London, in order not to lose any room height. The ducting measures a mere 51mm in height, is crush-proof and has smooth and anti-bacterial lining within the duct. Installed by our trusted installers … Read more

Is your home overheating in London? Here’s the reason why…

Overheating apartments in London suffering from poor building design

Have you spent this summer struggling to sleep in the heat, unable to choose between the security and noise issues that come with opening your windows at night, or closing them and lying in bed sweating? You’re not alone. We often hear about how dangerous cold weather is for those suffering from fuel poverty in … Read more

When spacing for MVHR ducts is tight, a combined intake-exhaust grille may be the solution

MVHR combined intake - exhaust grille for close proximity of external air ducts

Building Regulations requires that an MVHR’s intake grille (bringing fresh air into the property) and the MVHR’s exhaust grille (exhausting air from the property) should be 1.5 metres apart from each other. This is to prevent the system from sucking in the warm, humid exhaust air back into the property, also known as “cross-contamination”. The … Read more

It’s time to end the “shipping container recycling” fad in architecture

Shipping containers in conceptual architecture have become shorthand for “recycling” and “environmental sustainability”, and yet they are neither. You should run a mile from any architectural company that is genuinely enthusiastic about the potential of shipping containers, for the reasons I’ll explain below. The most important point: you’re not “recycling” shipping containers at all. Architects think they … Read more