---
title: SJII Case Study
description: Discover how NanoRefrigerant improved energy efficiency at Singapore Sports Hub, achieving 20% energy savings & 2.9-year ROI.
---

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# Overcoming HVAC Challenges at St. Joseph's Institution International

How NanoRefrigerant Helped SSH Become More Energy Efficiency

[Schedule a site visit](https://acwise.com/contact-us?hsLang=en)

## Optimizing Performance at St. Joseph's Institution International

HVAC System Overview and NanoRefrigerant Integration

- Industry: School
- Location: Singapore
- AC Type: DX Split
- AC Manufacturer: Mitsubishi Electric
- AC Age: 14 years
- Refrigerant: R410A
- Product Used: NanoRefrigerant

![PXL_20231016_070450893](https://acwise.com/hs-fs/hubfs/PXL_20231016_070450893.jpg?width=2000&height=1125&name=PXL_20231016_070450893.jpg)

## Quantifying Success: Energy Savings and Efficiency Gains with NanoRefrigerant

Data-Driven Insights Into Energy Consumption

- • Before vs After
- • Weather-Proof Efficiency

### kW vs Temperature

![SJII chart](https://acwise.com/hs-fs/hubfs/SJII%20chart.png?width=512&height=299&name=SJII%20chart.png)

## Quantifying Success: Energy Savings and Efficiency Gains with NanoRefrigerant

Data-Driven Insights Into Energy Optimization

- • Before vs After
- • Weather-Proof Efficiency

### ACwise SJII Chart

![SJII_chart](https://acwise.com/hs-fs/hubfs/SJII_chart.png?width=512&height=154&name=SJII_chart.png)

### Case Studies

[See all](https://acwise.com/case-studies?hsLang=en)

![Rectangle 1014](https://acwise.com/hs-fs/hubfs/Rectangle%201014.png?width=584&height=348&name=Rectangle%201014.png)

![twemoji_flag-singapore-1](https://acwise.com/hubfs/twemoji_flag-singapore-1.svg)

#### Seo Eng Joo Food Hub

##### Singapore

##### Energy Savings: 19%

##### ROI: 0.4 years

![Safra Jurong](https://acwise.com/hs-fs/hubfs/case-study-4.png?width=584&height=348&name=case-study-4.png)

![twemoji_flag-singapore-1](https://acwise.com/hubfs/twemoji_flag-singapore-1.svg)

#### Safra Jurong

##### Singapore

##### Energy Savings: 18%

##### ROI: 1.4 years%

![metrics-leaves-1](https://acwise.com/hs-fs/hubfs/metrics-leaves-1.png?width=201&height=144&name=metrics-leaves-1.png)

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