The Washing Machine Project has given the manual appliances to a humanitarian aid centre in Warsaw, Poland.
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Founder Nav Sawhney, an ex-University of Bath student, identified gaps in sanitation and hygiene during a visit to Poland in June.
The charity returned to deliver six of its "Divya" devices, aimed at people without access to washing facilities.
Mr Sawhney said they "want to help as many people as we can".
"We want to make a difference. You can feel helpless but this is a practical way to help someone," he said.
"It's been a really humbling experience. People were using them instantaneously."
Refugees are given a time slot to wash their clothes and the charity founder said he was pleased to be able to "help in some form".
"They were really pleased and it was well-received," he said.
"We want to help alleviate that burden of another chore. People might think it's a small task but it's important."
Mr Sawhney said that they would provide more washing machines but they needed to work with partners and request donations in order to help with funding.
While in Poland the team met with Ukrainian refugees such as Alina, from Dnipro, and Mila, from Kherson, who were both forced to flee their homes.