Explore Our Research Publications

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

The Missing Piece of Energy Access: Why 15% of Energy Infrastructure Investment Must Go to Appliances

CLASP’s research makes the case that efficient appliances need to be prioritized alongside energy infrastructure expansions to bring electricity to the 666 million people who still need it.

05 Sep 2025

Energy Appliances for the Rwandan Humanitarian Context: Stakeholder Mapping and Consumer Insights

This research explores how efficient appliances, suitable for off-grid areas, can improve the lives of refugees in Rwanda.

20 Aug 2025

The Procurement Handbook for Off- and Weak-Grid Appliances

Practical procurement guidelines for energy appliances suitable for off- and weak-grid communities.

20 Aug 2025

Ceiling Fan Market Transformation in India

This report explores how market transformation tools can unlock markets for energy-efficient technologies by overcoming barriers such as high costs, limited consumer awareness, and lack of supply chain readiness.

14 Aug 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

Medical Appliances for Resource-Constrained Settings

This report highlights the urgent need to improve the performance, procurement, and deployment of medical appliances in healthcare facilities operating in weak- and off-grid settings.

28 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

2025 Buyer’s Guide for Induction Cooktops

This buyer’s guide from the Global LEAP Awards highlights best-in-class induction cooktops for energy-constrained settings. It features the winners and finalists of the 2024–2025 Induction Cooktops Competition.

12 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

Solar Appliance Repairability Index Series

This solar appliance repairability index series from Efficiency for Access consists of a position paper that outlines findings of current repair practices and key criteria for assessing repairability, as well as repair indices for solar water pumps, fans, and refrigerators.

08 Oct 2024