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Why The Future Homes Standard compliance depends on a whole-house ecosystem
A
new era of housebuilding is taking shape. The impending Future Homes Standard (FHS) signals a national move away from carbon-intensive housing.
From March 2027, low-carbon heating technologies, most notably air-source heat pumps, will become central to new residential developments, creating homes aligned with the UK’s long-term decarbonisation ambitions Here, Ben Perris, sales director for indoor climate solutions at Wavin explores how the homes of the future must be designed as an ecosystem, one that coordinates heating, ventilation, and controls to ensure the home is the catalyst for carbon efficient lifestyles.
Underfloor heating (UFH) as the backbone of heat pump
Wavin’s Comfia, operates between 30- 50°C which is ideal for the low temperature requirements of heat pumps. Everything from its panels to its pipes are purposely designed to offset heat so the heat pump never runs hotter than intended.
Cycling and the physics of heat pump efficiency
Every time a heat pump has to quickly switch on or off, it comes with system stress and an occupant cost. This is known as cycling. UFH has stable thermal mass to support gentle heat pump operation but only if paired with managed ventilation.
The art of ventilation is a challenge because the FHS sets a target airtightness of 3 m3/h/m2 at 50 Pa, which is three times tighter than the 2021 standard. Without considered ventilation, moisture
efficiency Even before heat pumps become the regulatory default, adoption has been steadily accelerating. Retrofit installations climbed seven percent in 2025 and have increased more than 4.5 fold since 2020. For residents to see real savings in their electricity bills, the home must create the right conditions for the heat pump to do what it’s designed to do. That’s why the choice of emitter is critical. Hydronic underfloor systems, including
from cooking or a shower can’t escape and increases the temperature, switching the heat pump off, only for it to require a boost of electricity to restart minutes later. Mechanical Ventilation with Heat Recovery (MVHR) are systems that replace the natural ventilation that older homes relied on. They support heat pump efficiency by managing temperature fluctuations, retaining the heat from outgoing humid air and applying that same heat to a fresh filtered flow of air. Wavin’s Ventiza gives residents precision in managing the conditions of their home. With an A energy rating, the system provides
over 90% of heat recovery. It removes the swings that cause heat pump cycling even in small compact rooms, delivering highly comfortable living for residents across the entire home.
Introducing a stability layer over the unpredictable variables
The FHS models a perfected carbon efficient home, but the new regulations can’t account for how people live day-to-day. That’s where performance starts to drift. A single thermostat touch, an open window, a spike in humidity from drying clothes can all disrupt the steady state conditions a heat pump relies on. Even with perfect resident behaviour, efficiency is still at risk if the system itself isn’t built or installed to the standard the FHS ecosystem depends on, such as rushed installation or wrong-sized emitters. What’s needed is an active stability layer that keeps the whole ecosystem functioning. Wavin’s indoor climate controls combine a five year warranty with installation guidance to ensure new homes start and stay efficient. Sentio acts as the home’s control intelligence, the central nervous system linking UFH, ventilation, and occupancy sensors into one system. It learns occupant patterns to deliver the bespoke comfort conditions. When a room is unoccupied, Sentio holds it at a lower temperature and restores comfort the moment the resident returns.
Wavin’s sales director Ben Perris
The next generation of residential design and engineering
The FHS is a bold move forward towards complete net zero living across the UK’s residential infrastructure. Even with a 12 month grace period before the new rules fully apply, the scale of change means time is short. Every new project now has to design with the FHS ecosystem in mind covering supply chains, heat pump installation best practice, and, crucially, a strategy for long term performance. Visit:
https://wavin.com/gb/solutions/indoor- climate-solutions for more information.
ACR Awards hp BSEE
Sep26.indd 1 12 BUILDING SERVICES & ENVIRONMENTAL ENGINEER SEPTEMBER 2026
Read the latest at:
www.bsee.co.uk 24/8/26 08:57
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