Explore Our Research Publications

Technology Options for Doubling the Energy Efficiency of Room Air Conditioners

As cooling demand rises, improving air conditioner efficiency can cut energy use, lower electricity bills, and avoid billions of tons of emissions.

15 May 2026

2025 CLASP Annual Report

Changing the way we use energy.

04 May 2026

Pathways to Prevent the Environmental Dumping of Climate-Harming Room Air Conditioners in Latin America & the Caribbean

Environmental dumping is widespread in Latin America & the Caribbean. This report showcases solutions and examines the origins and impacts of the harmful practice.

25 Feb 2026

Clean Lighting Coalition Case Studies

Explore case studies from CLASP's Clean Lighting Coalition

18 Feb 2026

Making the Switch: The Deployment Handbook for Institutional eCookers

This report provides actionable recommendations for scaling eCooking in institutions in Kenya.

08 Dec 2025

Pathways to Prevent Dumping of Climate Harming Room Air Conditioners in the Global South

This research series explores the origins of low-efficiency high-Global Warming Potential (GWP) room air conditioners in the Global South and offers solutions toward more equitable and affordable cooling.

04 Nov 2025

Doubling Energy Efficiency with Appliances

New CLASP analysis finds that appliance efficiency could deliver about 20% of the energy savings needed by 2030 to meet the doubling energy efficiency goal.

24 Sep 2025

International Benchmarking Analysis of Air Source Heat Pump and Chiller Standards

This study offers a technical comparison of how the world’s three largest markets (China, the EU, and the US) for heat pumps and chillers define, measure, and regulate cooling efficiency.

30 Jul 2025

Compliance Guideline for Implementation of Efficient Lighting Standards in Africa

This report provides African policymakers and compliance and enforcement officers with comprehensive guidance to implement strong lighting policies in line with global mandates and best practice.

08 Jul 2025

Unlocking the Energy Efficiency Potential of Washing Machines in China

China’s washing machine market is ready for ambitious standards. This report highlights the opportunity to achieve major energy, water, and climate gains.

19 Jun 2025

Response-Enabled Room Air Conditioners: A Call to Action on Scaling Demand

Cooling demand across India is skyrocketing, driving up energy use and linked emissions. This report explores how India can reduce cooling related grid-strain and its consequences by integrating demand response (DR) technology into room air conditioners (RACs).

18 Jun 2025

2024 World’s Best MEPS: Technical Appendix

Explore the criteria used by CLASP’s World’s Best MEPS tool to compare leading energy performance standards globally and identify the most stringent policies.

16 Jun 2025

Carbon Credit Financing for Productive Use Appliance Markets

This Efficiency for Access research outlines a strategic approach for improving carbon credit financing in Africa's productive use appliance sector, specifically for solar-powered irrigation, cooling, and milling technologies.

05 Jun 2025

2024 CLASP Annual Report

In 2024, CLASP celebrated our 25th anniversary

30 Apr 2025

Mepsy Methodology: Model and Approach for Climate Impact Analysis

Take a look behind the scenes and learn more about the calculations, data sources, and assumptions underlying Mepsy, our climate impact calculator.

11 Feb 2025

Bridging the Cooling Gap: Energy Efficiency as a Driver for Appliance Access

Improving cooling appliance efficiency can lower costs, expand access, and enhance climate resilience. By modeling the impacts of efficiency improvements, this paper offers critical insights into policies needed to accelerate adoption and achieve net zero goals.

27 Jan 2025

Moving Towards Healthier, Efficient Electric Cooking: Consumer Perspectives from Eight European Countries

CLASP’s survey report examines European consumer views, behaviours, and usage of cooking appliances, as well as their opinions on potential policies that could make the transition to electric cooking a reality.

03 Oct 2024

Leave No One Behind: Bridging the Energy Access Gap with Innovative Off-Grid Solar Solutions

This Efficiency for Access research spotlights the gap in access to life-changing, off-grid solar appliances for millions worldwide.

24 Sep 2024