Hotel Saves US $10k Annually With Rinnai Water Heater

After installing a Rinnai centralized gas water heating system, Harmony Phnom Penh Hotel has saved up to US$10,000 annually on electricity comparing to its previous electricity-based system.

Harmony Phnom Penh hotel was officially opened in August 2014 in Khan Daun Penh in Phnom Penh. Its 68 exquisitely furnished rooms, plus a wide range of services and amenities such as on-site fitness center, a roof-top swimming pool and jacuzzi, and a premium restaurant all require a hot water supply.

Mr. Ker Thai, the owner of Harmony Phnom Penh Hotel also owns the Ohana Hotel which opened in 2007. After experiencing high electricity costs due to a centralized electrical water heating system at the Ohana Hotel, which also required him to install a large backup generator as electricity supply was not stable at that time, he has noticed a huge saving after installing the Rinnai centralized gas water heating system at his Harmony Phnom Penh Hotel.

After installing the gas-based system at the hotel, he realized that it can save him up to US$10,000 annually on his electricity bill which is 50% cheaper compared with the energy costs of the previous electrical water heating system.

Despite the extra initial cost installation for the Rinnai gas system technology, property owners will start realizing the saving benefits in the long run after just three years of operation, according to a cost calculation by MEET-BIS Cambodia clean tech expert.

“I understand that it costs more at the beginning, but after 3 years, I can make profit as the product lifespan will last up to 10 years,” Mr. Ker said.

Many people have been afraid of the dangers of using an LPG gas-based system, but after visiting some 4 and 5 star hotels in neighboring countries where gas water heating systems are regularly installed coupled with the consultation with local, experienced people, Mr. Ker gained full confidence in adding the Rinnai gas water heating system to his commercial properties.

“I have no hesitation in installing a Rinnai centralized gas water heating system, because the products are designed and made in Australia with an HD water heater manufactured in Japan and backed by Rinnai’s global commitment to quality and safety,” said Mr. Ker Thai, asserting that, “What is important is that I believe in Camcona Trading Cambodia because it has imported and distributed high quality products and also has more experience in the construction sector.”

Besides the financial saving, the hotel is also reporting a reduction in greenhouse gas emissions of up to 73 ton CO2eq per year, which is a good result for saving the environment and promoting the business as a green hotel.

“Environmental safety and having a green hotel are my goals. We are doing business to make profit, but we have never forgotten to protect the environment,” he said, adding that. “I will remove all energy inefficient equipment from my previous hotel and replace it with energy efficient equipment in the coming year.”

The Rinnai gas water heating system was introduced to Cambodian market in 2013 by Camcona Trading Cambodia. Since then, more and more projects, especially hotels, have started installing this energy efficient water heating system to replace their electricity-based system.

The main benefits of a Rinnai centralized gas water heating system are; over 50% cost saving by replacing electrical heating to gas heating; lightweight and space saving; fast and continuous hot water supply (26L/min per burner); flexibility for future expansion; and low maintenance needs.

- Video Advertisement -

Related Post

Bentley Systems Wins Gold Stevie Award for AI Breakthrough in Engineering

Bentley Systems has won the Gold Stevie Award for Technology Breakthrough of the Year in the Construction and Civil Engineering Technology category at the 2026 Stevie Awards for Technology Excellence. The award recognizes Bentley’s Model Context Protocol (MCP) servers for STAAD. Pro and MicroStation, which bring agentic artificial intelligence into established infrastructure engineering workflows. Bentley’s […]

China Reaffirms Strategic Support for Cambodia’s Economic Development and Key Mega-Projects

China has reaffirmed its full commitment to encouraging Chinese state-owned and private enterprises to expand direct investments in Cambodia, aiming to drive the Kingdom’s next phase of socio-economic growth. The renewed investment pledge was solidified during a high-level bilateral meeting on September 7, 2026, between H.E. Sun Chanthol, Deputy Prime Minister and First Vice President […]

U.S. Business Delegation Explores High-Potential Investment Sectors and Incentives in Cambodia

Coordinated by the American Cambodia Business Chamber, American investors meet with Cambodian Investment Board leadership to evaluate green energy, logistics, and manufacturing opportunities while paving the way for a Virginia trade mission A trade and investment delegation from the United States conducted a series of high-level consultations with the Cambodian Investment Board on September 7, […]

Freeland Municipal Authority Uses Digital Twins to Reduce Water Loss

Freeland Municipal Authority (FMA) in Pennsylvania is using a digital twin to improve leak detection, reduce nonrevenue water, and strengthen the long-term resilience of its water system. Serving about 3,900 people, FMA had struggled to identify leaks and track water losses efficiently. The utility often relied on outside companies for leak detection, making the process […]

Royal Government Evaluates Proposal for Manhattan II Special Economic Zone in Svay Rieng

The 5th Single Window Meeting reviews plans to build on the legacy of the pioneer 315-hectare Manhattan SEZ across Cambodia’s premier border trade hub The Royal Government of Cambodia, through the Cambodian Investment Board of the Council for the Development of Cambodia, has convened the fifth Single Window Meeting of 2026 to evaluate a major […]

Cambodian Attends 21st APSF General Assembly in Seoul to Drive Regional Logistics Standardization

Public Works Ministry and logistics leaders present national progress on the APSF Roadmap 2030 and explore smart cold-chain systems across South Korea to elevate supply chain efficiency Seoul: Modernizing national supply chains and harmonizing trade standards remain critical imperatives for the Royal Government of Cambodia as it works to boost economic competitiveness and streamline cross-border […]