ACE-1 Ultra Clean Biomass Cookstove
African Clean Energy
Designed by African Clean Energy, ACE-1 is a portable cookstove that features a solar panel and ports enabling the charging of mobile phones and solar lamps.
Designed and distributed by African Clean Energy, ACE-1 Ultra Clean Biomass Cookstove is a smokeless, gasification stove that can burn almost any solid biomass, but is designed to work especially well with wood pellets. Video available about the features of the stove.
African Clean Energy is located in Lesotho in southern Africa.
Goal 7: Ensure access to affordable, reliable, sustainable and modern energy for all.
Stoves are mass produced in Africa Clean Energy’s factory based in Maseru, Lesotho by 60 local men and women. The Lesotho National Development Corporation has allocated a 2000m2 factory building for the production of the cookstoves.
Directly from the manufacturer by purchase online or through its international and national distributors.
For 2015, over 40.000 ACE-1 cookstoves have been distributed. Interview with representative
Some field cases can be seen in ACE’s blog.
What fuel type the stoves uses
Does the stove have a chimney?
Whether the stove is forced draft or passive
What pot type(s) the stove can accommodate
The efficiency in terms of heat delivered to pot compared to overall heat produced through combustion
PM2.5 emissions of the stove per MJ
CO emissions of the stove per MJ
The capacity of the pot the stove can accommodate
The amount of time it takes to bring XL of water to a boil; Format: X mins per X L
Design specifications include a solar panel, a LiFePO4-type solar-powered battery (6.4 V, 5 Ah) that powers a fan that allows complete combustion of fuel and reduces fuel emissions. It has USB and DC outputs that allow charging of mobile phones and lamps within a LED light for monitoring the charging of the system. It is lightweight as it weighs 4.6 kgs and its dimensions are (LxWxH) in cms 33 x 33 x 35.
Further details on its functions and accessories here.
Repairs and supplementary products are available through regional distributors.
This product has 1-year manufacturer warranty, however, approximate lifespan is 12 years.
African Clean Energy aims to meet the energy needs of off-grid families with a simple, practical, and business-based solution that reduces the negative impacts on health, environment and poverty of traditional cooking methods. This is how they came up to the ACE-1 ultra clean biomass cookstove design, that apart from cooking, it enables universal charging of mobile phones and solar lamps.
Testing results for the stove are summarized and can be downloaded from the Clean Cooking Catalog.
Colorado State University Engines and Energy Conversion Laboratory, Renewable Energy and New Materials Institute.
The room should be well ventilated, the stove should sit on a flat surface, and be kept out of reach of small children. Further safety guidelines here.
Multiple colours available.
Wathore, R., Mortimer, K., Grieshop, A (2017). In-Use Emissions and Estimated Impacts of Traditional, Natural- and Forced-Draft Cookstoves in Rural Malawi. Environmental Science Technology., 2017, 51 (3), pp 1929–1938. DOI: 10.1021/acs.est.6b05557.
Jacobs, A., et al (2016). Forge: Thermoelectric Cookstove. Interdisciplinary Design Senior Theses. 18. https://scholarcommons.scu.edu/idp_senior/18
Laboratory tests grade it IWA-ISO tier 3 for emissions, tier 3 for efficiency and tier 4 for safety. This places the ACE 1 among the most efficient, clean and safe stoves in the market. All information in the Clean Cookstove Catalog.
African Clean Energy is a B-certified organization.
Up to 5 tests were taken and 36 metrics measured following the GACC in the following categories: IWA emissions, efficiency, indoor emissions, efficiency, energy consumption and fuel use, safety metrics and test conditions metrics.
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