Built Environment
"The region's largest mitigation lever — and the foundation of resilience."
146
Companies
191
Top activity (Agriculture Processes)
1,148
Startups across SEA-6
Top Stories 2026
Southeast Asia's buildings and cities are on the front line of climate change. The region needs roughly US$184 billion a year in infrastructure spending through 2030 to maintain economic growth and tackle poverty. When climate impacts are taken into account the number increases to US$210 billion.
That investment is not spread evenly. Some countries are already building climate-resilient infrastructure at scale, while others are still working out how to pay for it. New pressures are also exposing how little spare capacity the system has. Demand is increasing for cooling as temperatures rise while regulation and management of refrigerants are tightening. The AI boom is exposing where power and water infrastructure were not built to handle rapid growth.
These look like separate problems, but they are really one: the built environment is only as strong as whichever resource nobody planned properly for.
1
Singapore's Year of Adaptation is moving resilience from pilot to portfolio scale.
Singapore's climate resilience work is shifting from pilots to full portfolios. Following a successful trial with 130 blocks in 2021, the Housing and Development Board’s (HDB) Cool Coatings programme announced an extra S$60 million funding to upgrade every estate by 2030. The goal is to cut ambient temperature by ~2°C for 80% of all Singapore residents.
Flood and coastal defence are scaling the same way: a performance-based flood guidebook and a coastal protection code, both due in 2026, will together cover most of the island. Preparatory work on the 800-hectare Long Island reclamation began in March 2026, backed by a S$10 billion fund, addressing sea-level rise of up to 1.15 metres by 2100 on an island where 30% of land sits below five metres.
Bangkok, with its 313 cooling centres, is the only other case in the region running at this scale. Everywhere else, similar technologies appear to remain stuck at the pilot stage.
Climate★★★
Economic★★★
Social★★★
Large-scale Heat and Flood Resilience Retrofit
Singapore’s Cool Coatings' expansion to all estates and Building and Construction Authority’s (BCA) Flood-Resilient Developments Guidebook's shift to a performance-based framework convert pilots into bigger, recurring programmes. The opportunity is in the deployment, verification and financing tools built for scale.
- Reflective and passive-cooling retrofit systems and application services
- Compliance and design modelling tools for the Singapore’s Flood-Resilient Developments Guidebook's framework
- Heat vulnerability mapping and cool infrastructure siting tools for precinct-level planning
- Resilience feature MRV platforms for physical retrofits
- Development finance institution (DFI) backed financing and micro-mortgage for resilience retrofits below flagship scale
Coastal Protection and Urban Resilience Data Infrastructure
Long Island and the PUB Coastal Protection Code depend on data and verification infrastructure as much as on concrete and reclamation, and Singapore's existing digital twin base gives that layer somewhere to build from.
- Coastal protection compliance modelling and site-specific risk assessment
- Urban observatory analytics layered on data backbones such as Virtual Singapore, for example, heat vulnerability indices and flood pathway visualisation
- Reclamation adjacent construction materials monitoring and verification services large-scale works
2
AI data centre growth is sharpening the region's water-energy trade-off.
High-density AI racks are accelerating the shift from air to liquid cooling, but liquid cooling does not necessarily increase freshwater use. Closed-loop systems can reduce consumption. The greater risk is cumulative, where rapid development meets hot climates and constrained power and water infrastructure.
Johor state in Malaysia illustrates local pressure and the response. In August 2025, it introduced a dedicated data-centre water tariff of RM5.33 per cubic metre, up to 49% above previous non-domestic rates. Regulators have tightened approvals, as data centres could consume as much as 31% of Peninsular Malaysia’s electricity by 2035, up from 7% in 2026. Meanwhile, Singapore is advancing tropical cooling standards, and Johor and Bac Ninh, Vietnam are attracting cooling-equipment manufacturing, and Klang Valley, Malaysia is developing reclaimed-water infrastructure.
Climate★★★
Economic★★★
Social★★★
Water-efficient Cooling Technology and Supply Chain
Cooling equipment makers are setting up in Singapore, Johor and Bac Ninh. The services to install that equipment and get it compliant with local rules have not caught up.
- Installation and integration services for immersion and direct-to-chip liquid cooling
- Real-time dashboard and compliance monitoring software that tracks water and power efficiency alongside renewable energy sourcing
- Modular, containerised water treatment units
- Sensors and consumables for monitoring coolant fluid chemistry in immersion cooling systems
Community and Regulatory Risk Management
Building data centres in places already short on water has started to trigger real public opposition. In Johor, a sharp rise in water charges alongside concern over water use and pollution led to the state's first public protest against a data centre project. That signals this kind of growth now carries political and reputational risk, and operators need tools to manage that risk directly.
- Siting tool that scores a potential location for water stress and likely community impact at the planning stage
- Compliance platform that tracks changing water tariffs and approval rules across Southeast Asian jurisdictions
- Communication and disclosure tool that helps an operator engage local communities
- Certification service that gives operators credible, independently verified proof that their reclaimed water use is genuine
3
Green certification is influencing lending decisions.
In Southeast Asia, certification is moving from market signal to a tool for green finance eligibility, pricing and performance targets.
Ayala Land’s US$225 million IFC sustainability-linked loan includes certified floor-area and emissions targets. IFC’s separate Building Resilience Index programme will assess 50 properties, but is not disclosed as a loan covenant. Thailand’s SCG-SCB package combines technical assessment with preferential loans, while SCB now requires nine financed hotel projects to achieve EDGE or LEED certification. Malaysia’s Opus Energy-GBI partnership uses performance contracting to fund retrofits without upfront owner capital.
Certification turns energy, carbon and resilience claims into evidence lenders can assess. Yet it is not a general lending condition. Smaller owners face costly verification and have insufficient scale for dedicated green finance.
Climate★★★
Economic★★★
Social★★★
Certification-to-capital Infrastructure for Mid-tier Developers
The IFC-Ayala Land deal and the Opus Energy model both show that turning a green certificate into cheaper financing actually works, but so far mid-sized developers do not yet have a ready-made way to do the same.
- Software that automates certification and reporting across the region's different green building standards, so smaller developers can more readily become ready for the loan
- Benchmarking tool that converts a developer's building performance data into the specific figures lenders ask for
- Structuring tool that helps smaller developers set up a zero-capex retrofit deal, where a contractor is paid from the energy savings instead of the owner paying upfront
- Tenant-facing dashboard tracking a building's ongoing carbon and energy performance, for continually monitoring against loan terms
Verified Resilience-feature MRV and Assurance
A green loan is only as good as the proof that the building is actually meeting its terms. As more lenders start tying loans to certification, checking and verifying that proof can become as valuable a business as the certification itself.
- Monitoring platform that verifies a building is delivering the promised resilience features
- Independent verification service that checks a building's index score on a lender's behalf
- Analytics tool showing a developer the fastest, cheapest route to a covenant qualifying certification
- Tool that maps requirements across the different certification schemes
- Monitoring product built specifically for retrofit projects, tracking whether an existing building's upgrade is delivering the promised performance over time
4
Southeast Asia's refrigerant transition has a lifecycle gap.
ASEAN’s refrigerant transition remains uneven across its lifecycle. Thailand, the third largest exporter of air conditioners, has converted its manufacturers from R-22 to lower-GWP R-32, But R-32 remains an HFC and a transitional (not zero-carbon) solution. Indonesia’s Recoolit uses carbon finance to recover and destroy refrigerants. Singapore, where refrigerants account for nearly 7% of total emissions, combines import quotas, equipment standards and mandatory recovery and treatment for regulated systems. From July 2027, its GWP-150 limit will cover large commercial refrigeration systems, not all cooling equipment.
As Asia's cooling demand triples by 2050, there is no one solution. The gap is weak integration among equipment replacement, leak detection, trained servicing, recovery, reuse, verified destruction, finance, asset data and cross-border logistics. The region needs integrated lifecycle management across the value chain, not simply new refrigerants.
Climate★★★
Economic★★★
Social★★★
Refrigerant Recovery, Capture, and Reclamation
Only ~20% of refrigerant gets recovered at the end of a unit's life across the region. As cooling demand triples by 2050, very few markets in the region has the recovery and safe disposal system needed.
- Service collecting leftover refrigerant gas from old AC units before it escapes, and selling verified carbon credits for it
- Marketplace connecting recovered, reclaimed refrigerant to buyers who would otherwise buy newly manufactured gas, cutting demand for virgin production
- Tracking tool for cold chain operators (refrigerated trucks and warehouses) to manage refrigerant use and leaks across a whole fleet or site network
- Software that turns captured refrigerant into verified credit under various countries' rules
Lower-GWP Conversion and Compliance Tooling
Thailand and Singapore are pushing industry toward less harmful refrigerants via different routes: Thailand by converting its factories nationwide; Singapore by tightening the rules on how much refrigerant companies can use.
- Packaged conversion service helping a manufacturer switch its production line to a lower-harm refrigerant
- Training and certification for technicians handling newer, lower-harm refrigerants (HFOs and natural refrigerants)
- Sensors and diagnostics that catch refrigerant leaks early and track who is responsible for maintaining a given system
- Monitoring dashboard for large building or supermarket operators to track refrigerant use and loss across their portfolio
- Compliance software built for Singapore's rules, tracking a company's HFC quota use and exposure ahead of 2027 supermarket and 2028 vehicle GWP-150 caps
Country distribution
Where the 146 startups in this sector are headquartered across ASEAN-6.
Featured startups in this sector
A representative sample of companies operating across ASEAN-6.
AI as a force multiplier in this sector
How AI is enabling specialised optimisation, analytics, and MRV that startups can deploy at scale.
- Carbon sequestration modelling for nature-based solutions
- MRV for forest monitoring, land-use classification, soil carbon
- Tools to improve carbon-market data quality and verification
- Precision agriculture using sensor and satellite data
- Optimisation of irrigation, fertiliser, and farm inputs
- Yield prediction and climate risk early warning
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