The adoption of green building practices in Indonesia is often hindered by misconceptions about cost, but experts say technological advancements are making energy-efficient materials increasingly affordable. The primary obstacle, according to industry professionals, is a reluctance among construction practitioners to move beyond conventional methods.
Addressing Misconceptions About Green Building Costs
Farida Lasida Adji, Country Managing Director of the Global Buildings Performance Network (GBPN), explained that effective budget allocation is key to implementing energy efficiency strategies from the outset of a project. Approximately 70 percent of construction budgets are typically allocated to architectural and mechanical and electrical systems, presenting opportunities for cost-effective green solutions.
Designers can prioritize high-performance glass to reduce heat gain over purely aesthetic materials like marble, according to Adji. “The obstacle now isn’t about cost, but rather construction practitioners’ reluctance to step outside their comfort zone,” she said at the Green Press Community 2026 in North Minahasa on February 7, 2026.
The Importance of Accurate Energy Simulations
Many architects and engineering consultants rely on estimations rather than precise energy simulations when designing buildings, leading to overlooked energy savings. This is a critical issue, as design choices lock in energy inefficiencies for the building’s lifespan, which can range from 40 to 50 years.
“Once we waste something, the detrimental impact on the building will be long-lasting. If we want to reimagine it, it must be demolished before being rebuilt,” Adji stated.
Beyond Aesthetics: Focusing on Emissions and Efficiency
Green buildings are not simply about incorporating greenery, but also about minimizing emissions through environmentally conscious construction practices. Lower emissions translate to more efficient energy use within the building.
The Overall Thermal Transfer Value (OTTV) is a key metric for measuring heat transfer into a room; lower OTTV values reduce the strain on air conditioning systems and lower electricity costs. However, recent designs have often prioritized aesthetics, such as installing full-length glass without considering heat transmission, which can ultimately be more expensive than designs that prioritize air circulation.
Adji also highlighted the availability of energy-efficient electronic devices, noting that furniture stores are increasingly stocking these products, making it easier for consumers to contribute to green building initiatives.
Read: Green Building Ratings Crucial to Address Climate Change
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