What ACREX India 2026 told us about where HVAC Is headed

We attended ACREX India 2026 in Mumbai this March, and came back with a clear impression: the HVAC and building automation industry in India is no longer asking whether intelligence belongs in buildings. It's asking how soon it can get there.

ACREX India, now in its 25th edition, is South Asia's largest platform for HVAC and intelligent building technology. With India's HVAC market projected to grow from $11.8 billion to $29.4 billion by 2030, the event has become a bellwether for where the industry is investing next. This year, the conversations weren't about growth. They were about what comes after monitoring.

The question that kept coming back

Facility managers, MEP consultants, building automation engineers. Different roles, same question: how do I get my building to tell me what's wrong before something breaks?

That's not a monitoring question. That's an intelligence question. And it kept surfacing across the exhibition, particularly among decision-makers evaluating the next generation of building management systems.

What we showed

Tridium invited Bluecoin alongside a select group of partners to showcase at their booth. The partnership is straightforward: the Niagara framework handles building automation infrastructure. Bluecoin adds the intelligence layer on top.

The centrepiece at our section was a video demonstration of how AI can diagnose complex HVAC queries across multiple building systems and generate a purpose-built interface to help facility teams pinpoint solutions. The video walked through a scenario where cross-system facility data was interpreted intelligently, surfacing not just the issue but the reasoning behind it, and rendering a UI to guide the response.

"What stood out was how specific the questions became after the video. People weren't asking whether AI could work in buildings. They were asking how it would handle their particular system configurations. That's a meaningful shift."
Kushal Chokhani, Co-Founder & CTO, Bluecoin IoT

The response reinforced something we'd been hearing across the floor: facility teams are actively evaluating how intelligence layers can work with the infrastructure they already have in place.

What's shifting

Three patterns stood out from three days of conversations.

Predictive maintenance has moved from "interesting concept" to "when can we start." The language was practical, not aspirational.

HVAC intelligence is becoming the entry point for broader building intelligence. Facility managers who came to ACREX for HVAC left asking about energy optimisation, indoor air quality, and occupancy-driven controls. The HVAC system is proving to be the thread that connects the rest of the building.

And the AI conversation in this industry has matured considerably. Nobody was debating whether AI had a role in facility management. They were asking what it could do with their data, in their building, with their constraints. That level of specificity is new.

"Two years ago, the question at events like this was 'what is a smart building.' This year, people came to our section knowing what they were looking for. They wanted to see intelligence that works on top of the systems they've already invested in."
Sandeep Kandalwar, Co-Founder & CEO, Bluecoin IoT

Looking ahead

ACREX reinforced that the shift toward intelligent building management is being driven by the professionals operating these facilities every day. They're evaluating solutions against real constraints, not theoretical ones, and the conversations reflect that maturity.

We're grateful to Tridium for the invitation and the opportunity to be part of the Niagara ecosystem at an event of this scale. The conversations this year left little doubt about where the industry is headed.