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We've just returned from ExCeL London after three remarkable days at FutureBuild 2026 — the UK's largest built environment event where we exhibited OCHSNER heat pumps alongside 25,000 industry professionals, 600 exhibitors, and some of the most forward-thinking people in sustainable construction. Here's what we took away.
If you've never been toFutureBuild, it's hard to explain quite what it feels like to walk the floor.This year was particularly special for the first time, FutureBuild co-located with UK Construction Week London, creating what the organisers rightly called the UK's Built Environment Super Event. Over three days from 12–14 May at ExCeL London's Royal Docks, the energy was extraordinary.
This wasn't an event about selling products. It was an event about solving problems. Every conversation we had with architects, M&E engineers, developers, housing associations, self-builders, and sustainability consultants was focused on one central challenge: how do we decarbonise the buildings we already have, and how do we make sure the buildings we're creating now don't contribute to the problem?
That question sits at the heart of everything we do at The Big Heat Pump Conmpany. And OCHSNER heat pumps engineered to a standard that most of the industry isn't even attempting are a significant part of the answer.
"The conversations at FutureBuild 2026 weren't about whether heat pumps are the answer. They were about which heat pumps are worth specifying and that's exactly where OCHSNER wins every time."
What made this show genuinely exciting was the calibre and ambition of the projects people brought to our stand. These weren't hypothetical enquiries. These were real buildings, real challenges, and real deadlines and in almost every case, the person standing in front of us had already done enough research to know that not all heat pumps are equal.
Time and again, architects and project managers described the same scenario: a beautiful period building Georgian terrace, Victorian farmhouse, Grade II listed country house with an ageing oil or gas system, a client who wants to go green, and a planning officer who won't tolerate anything that compromises the building's character. Noise, aesthetics, visual impact, and acoustic performance came up in virtually every conversation of this type.
This is where OCHSNER's engineering advantage is not marginal- it's decisive. OCHSNER's class-leading acoustic performance and compact unit design make it the credible specification choice for sensitive buildings where competing products simply cannot meet the planning and neighbour criteria. We had more than one architect tell us that OCHSNER was the only heat pump on their shortlist for exactly this reason.
"The Holy Trinity" The integration of heat pumps with solar PV and battery storage was a dominant theme across the show floor and it was one of the most energising conversations we had all three days. The question has shifted from "should we combine these technologies?" to "how do we design the integration properly from day one?"
At The Big Heat Pump Company, this is something we've been doing on the ground for some time. A whole-system approach solar array, high-capacity battery storage, and an OCHSNER heat pump managed through the OCHSNER TRONIC Smart platform gives a property near-total energy independence. Hearing developers and housing associations starting to think about this at scale was genuinely exciting.
FutureBuild attracts a professional audience, and a significant number of the conversations we had were about commercial buildings, apartment blocks, care homes, and mixed-use developments. OCHSNER's modular cascade systems and our containerised plant room capability opened eyes. The idea of a pre-fabricated, fully commissioned plant room delivered to site as a complete unit, removing the programme risk of traditional plant room construction, resonated strongly with developers and contractors under time pressure.
Three days on the FutureBuild floor gave us a clear read on where the market is heading and it reinforced everything we already believed about the importance of product quality and proper specification.
• Quality is now the conversation: The specification community is getting more sophisticated.
The days of selecting a heat pump on price alone are largely over among professionals. Architects, M&E engineers, and developers who have seen poor installations are now asking harder questions about SPF, acoustic performance, longevity, and cold climate capability. These are exactly the questions OCHSNER answers best.
• Regulation is driving specification: TheFuture Homes Standard is making heat pumps unavoidable.
The number of professionals at FutureBuild who are now designing primarily for heat pump compatibility underfloor heating, correct emitter sizing, fabric-first principles has grown significantly. The regulatory direction is clear and the specification community is responding.
• Integration is the expectation: Whole-system thinking is becoming mainstream.
Heat pump + solar + battery as a single integrated system is moving from the ambition of individual homeowners to the expectation of developers and housing associations. Being able to design and install the complete system as The Big Heat Pump Company does is an increasingly significant advantage.
Exhibitions like Future Build are a test. When you're standing in front of architects who specify products for a living, engineers who calculate heat loads for breakfast, and developers who've seen every manufacturer's claim and want evidence rather than brochures, the quality of your product and the depth of your knowledge are everything.
OCHSNER stands up to that scrutiny. Over 45 years of Austrian engineering. The EHPA European QualityLabel independently awarded, not self-certified. Compressors tested to 60,000 run hours. Cold climate performance to -20°C. Independently verified acoustic data that goes straight into planning submissions. Flow temperatures to 70°C that make retrofit into existing radiator systems straightforward rather than a system redesign.
When you're talking to a room full of people who ask hard questions, it helps to represent a product that has genuinely good answers to all of them.
"OCHSNER has been building heat pumps since 1978.The first OCHSNER heat pump installed in England is still running today. That's not a marketing claim. That's an engineering fact."
FutureBuild confirmed something we already knew: the pipeline for premium, properly specified heat pump installations in England and Wales has never been stronger. The professionals who design and build the UK's housing stock are increasingly specification-literate, increasingly quality-conscious, and increasingly looking for a distributor and installation partner who can match their standard.
That's what The Big Heat Pump Company are here to do.
If we met at FutureBuild and you'd like to continue the conversation, get in touch directly. If you didn't make it to the show but are working on a project where OCHSNER's performance might matter, we'd love to hear about it.
And if you're an architect or M&E engineer who would like to explore OCHSNER products for an upcoming specification full technical data sheets, acoustic data, and sizing guides are available free from the OCHSNER download centre, and our team is available for project-specific technical support.
FIND DATA ON OCHSNER HEAT PUMPS - HERE
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