Better Energy, Less Carbon
We help hotels, hospitals, data centres, factories and commercial buildings achieve measurable energy savings in cooling and power systems, with results verified by metered before-and-after reports.
The challenge
Investors and stakeholders increasingly expect measurable ESG performance. Without in-house experience, meeting these targets can be difficult.
Finding technologies that deliver both environmental impact and a financial return isn’t easy.
Rising Energy Costs
Higher energy prices are eating into margins, and energy-saving measures are becoming essential to keep costs under control.
Higher energy prices are eating into margins, and energy-saving measures are becoming essential to keep costs under control.
Rising energy costs and hidden losses in your cooling and power systems quietly eat into your budget every year.
Proven, non-disruptive technology can cut that waste, so you save money and reduce your carbon footprint at the same time.
SWATS for Chillers
Restores chiller efficiency by removing scale buildup; US-certified.
Up to 12%
energy savings
SWATS+ for Chillers
Chemical-free scale, algae and bacteria control for condenser water
Energy + water
savings
ECOMO for Power
Cuts transmission loss at the transformer and MSB, facility-wide.
Min. 3% to 15%
energy savings
STREAMLINER for VRV
Optimizes VRV and VRF AC and freezer systems, Japan patented.
Min. 10% to 30%
energy savings
Data Centres
Hotels & Resorts
Factories &
Manufacturing Plants
District Cooling
Hospitals
Office Buildings
Certified technology from the USA and Japan, backed by measured results across a range of industries.
Proven technology that extends equipment life, installs without interrupting your operations
We set a baseline before installation and confirm savings with metered before-and-after reports.
From inquiry to verified savings
Tell us about your facility by phone, email or WhatsApp. We’ll confirm which solution may fit.
We visit your site, explain how our solutions work, and review your facility’s conditions and how it operates.
We estimate your expected annual energy savings from the information gathered.
We send a full proposal with your return on investment (ROI) and green impact indicators to review.
We agree the baseline measurements, so savings can be verified against them after installation.
You confirm the order, and we agree the installation schedule and other details.
We install your solution with minimal disruption to your operations, and savings are verified against your baseline.
Best fit for SWATS and SWATS+
Hotels, hospitals, data centers, semiconductor fabs, pharmaceutical plants, district cooling plants, shopping malls.
Best fit for ECOMO
Presses, injection molding, compressors, frozen and refrigerated storage, factories
10.2% measured chiller energy savings. Across Singapore installations in semiconductor, advanced manufacturing, hospitality and pharmaceutical sites.
No chemical dosing. Controls bacteria, algae and biofilm, including Legionella.
Reduces cooling tower cleaning frequency, saving man-hours and water.
2,000+ installations. Guaranteed minimum 3% reduction in electricity consumption, verified by metered before-and-after readings and a written report. No electronics to fail.
36,000+ units installed since 2012 in Japan.
Designed and manufactured in Japan and patented.
You deserve cooling and power systems that waste less energy and cut more carbon.
The implementation of the SWATS+ system has delivered significant improvements in both chiller efficiency and cooling tower water Cycle of Concentration (CoC). This is an excellent, high-impact solution for our operations.”
Joseph Tham
Director of Engineering, Carlton Hotel Singapore
get started
Tell us about your facility and we’ll recommend the right solution.
Quick Links
Hannve Technology Pte Ltd is a sustainable and advanced technology solution provider dedicated to accelerating business impact through high-quality, reliable solutions that meet our customers’ unique needs and help them achieve their ESG objectives.
© 2026 HANNVETECH
Quick Links
Hannve Technology Pte Ltd is a sustainable and advanced technology solution provider committed to accelerating business impact by providing high-quality and reliable solutions that meet the unique needs of our customers and help them achieve their business objectives in ESG.
© 2023 HANNVETECH
