Intellectural Property Type
User Provision Model
Distributions to Date Status
The exact distribution number of the Envirofit M-5000 is unknown, however, and for 2018, Envirofit has sold more than 1 million stoves across 45 countries.
Forced or passive
Flat or round bottom
Pot capacity (L)
Thermal efficiency (%)
29.7% – 38.8%
PM emissions (g/MJ delivered to pot)
CO emissions (g/MJ delivered to pot)
2.26 – 3.30 g/MJ
Time to boil (min/L)
Design specifications include a tired pot support, cast iron drip pan, wooden handles, emissions reduction ring, lightweight heat-reflecting shield, patented heat-resistant alloy chamber, high fire-power chamber design, foot-supported base. With a pot diameter capacity of up to 30 cm, the M-5000 stove weighs 4.2 kgs and its dimensions are (LxWxH) (cm): 32 x 32 x 28.
This stove has a 1-year warranty and an expected lifespan of 4 to 7 years.
Manufacturer Specified Performance Parameters
Improve efficiency three-fold Five-year lifespan Seven minutes to boil 1L of water Reduction of fuel: 66% Cooking time reduction: 50% Toxic emission reduction: 82%
Vetted Performance Status
A summary of the testing results for the M-5000 can be downloaded from the Clean Cooking Catalog.
Guidelines provided by Envirofit must be followed when manipulating the stove to avoid burns and spill-overs. Furthermore, keep all flammable items away from the surrounding area of the stove, and do not enclose the area you are cooking within; proper ventilation is always required. Do not touch the body of the stove while in use.
Complementary Technical Systems
Envirofit also commercializes the following accessories for the M-5000 model: a round-bottom pot skirt or flat-bottomed pot skirt, the G-3355 double pot attachment and GoGrill premium grill accessory.
Academic Research and References
Lombardi, F., Riva, F., Colombo, E (2018). Dealing with small sets of laboratory test replicates for Improved Cooking Stoves (ICSs): Insights for a robust statistical analysis of results. Biomass and Bioenergy. Volume 115, August 2018, Pages 27-34.
Stokes, D (2015). Final Technical Report: Thermoelectric-Enhanced Cookstove Add-on (TECA) for Clean Biomass Cookstoves. OSTI.GOV. U.S. Department of Energy Office of Scientific and Technical Information.
Ehrensperger, A., et al (2017). What future for cooking with solid biomass? The benefits of improved stoves and micro-gasifiers. Bern Open Repository and Information System.
Dischino, K (2015). Methods for particulate matter emissions reduction in wood-burning cookstoves. Colorado State University.
Compliance with regulations
The independent testers rated this stove on emissions, indoor emissions and efficiency (but it was not tested on safety).
Envirofit has won several awards: • 2013 Energy and The Environment Innovators of the Year Award by the Economist • 2013 Spark Award Envirofit Institutional Cookstove Gold Award • 2011 Special Achievement Award: Partnership for Clean Indoor Air Other various awards, available here.