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Tongyi TRT40 Heat Pumps Serve The Stones Hotel Hot Water Project in Bali, Indonesia

2026-07-06

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The Stones Hotel, a premium upscale resort located in Bali, Indonesia, features high and volatile hot water demand driven by large tourist traffic all year round. To upgrade its traditional energy-consuming heating system and meet local green resort operation standards, the hotel completed a central hot water renovation by installing three sets of Tongyi TRT40 commercial air source heat pumps, achieving efficient, stable and low-carbon hot water supply for the resort.

Tongyi TRT40 Heat Pumps Serve The Stones Hotel Hot Water Project in Bali, Indonesia 1

Bali has a typical tropical marine climate with perennial high temperatures and humidity. Local resort hotels usually run heating equipment continuously, and conventional electric heaters and boilers suffer from high power consumption, unstable water temperature and frequent maintenance problems. Unable to balance energy costs and service quality, the old system failed to match The Stones Hotel’s high-end hospitality positioning and sustainable development goals.

The project adopts three Tongyi TRT40 heat pumps operating in modular parallel connection. Equipped with high-efficiency DC inverter compressors and eco-friendly low-GWP R32 refrigerant, the TRT40 units maintain excellent energy efficiency and stable heating performance under long-term tropical high-load working conditions. The multi-unit linkage system intelligently adjusts operating loads and startup quantity according to real-time guest occupancy and hot water consumption, effectively adapting to peak and off-peak water demand and eliminating idle energy waste.

Tongyi TRT40 Heat Pumps Serve The Stones Hotel Hot Water Project in Bali, Indonesia 2

Supported by intelligent constant temperature control and remote monitoring functions, the system provides 24-hour consistent and comfortable hot water for guest rooms and public areas. The modular design simplifies installation and daily maintenance, greatly reducing the hotel’s operational and labor costs. Since official operation, the system has significantly cut power consumption, improved overall guest experience, and helped the hotel comply with Indonesia’s green tourism and energy-saving building regulations.

This successful project fully verifies the outstanding stability and tropical adaptability of Tongyi TRT40 heat pumps in high-end resort scenarios. It further expands Tongyi’s market influence in Indonesia’s premium hospitality sector. In the future, Tongyi will continue to optimize customized energy-saving heat pump solutions for Southeast Asian resorts, empowering the low-carbon and sustainable development of the regional tourism industry.

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