Case
Sustainable mosquito protection designed for indoor use.
The diseases mosquitoes spread kill more than two million people every year. It’s been a long time since mosquitoes spread serious diseases in Sweden, though. Here, they’re mostly just irritating and ruin summer evenings. Gothenburg-based Acreto wants to change this with effective and sustainable products for mosquito control. When they decided to develop their first proprietary product, they turned to Knightec Group.

ClientAcreto
IndustryPublic
ServicesDesign & ExperienceSustainable BusinessCompliance & SafetySoftware & CloudHardware & MechanicsProject & Change Management
Originally delivered by Semcon, now part of Knightec Group.
Background
Acreto is a leader in mosquito control in the Nordics and distributes several different products for both indoor and outdoor use. In the past, they’ve focused on marketing and selling other companies’ products, which they’ve done successfully. The marketing concept myggjavlar.se has helped to reach a wide audience along with a product portfolio that has something for everyone.
Challenge
When Acreto decided to develop their first proprietary supplementary mosquito product, they realized they needed help. A multidisciplinary team from Knightec Group was brought in and functions as Acreto’s own R&D department – all to ensure complete product development from strategy to industrialisation.
Environmentally friendly mosquito product.
The result is a sustainable mosquito product for indoor use, designed with both performance and environmental impact in mind. Made from environmentally friendly plastic, the product features a self-regulating PTC heating element and replaces ceramic components with recyclable aluminium—enabling faster heating, lower energy consumption, and improved resource efficiency throughout manufacturing and recycling. It effectively keeps an area of approximately 15 m² mosquito-free. The development was rooted in a strong user focus, leading to two product variants, including a compact, portable version small enough to fit in a pocket.
An iterative, validation-driven approach combined early digital simulations with continuous physical testing to optimize performance and design. In Knightec Group’s lab, heating performance, refill functionality, and form factors were evaluated, including ensuring that the wall socket variant does not block adjacent outlets. Sustainability remained central, with expert guidance on energy-efficient components, reusable materials, and life cycle assessments to minimize environmental impact.

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Delivered Value
The project enabled Acreto to move efficiently from strategy to industrialised, user-centered product solutions, resulting in a portfolio of high-performing and environmentally optimized products. By integrating design, engineering, and sustainability expertise across the entire development chain, the solution reduces energy consumption and material use, shortens time-to-market, and ensures scalable, cost-efficient manufacturing—ultimately strengthening Acreto’s competitiveness and long-term growth.
