we manufacture industrial electronics

a part of
great projects

We develop electronics for smart energy management in IoT systems. We offer fully customized OEM solutions dedicated to manufacturers and distributors of devices. We provide electronics for the HVAC, GAS and WATER & SEWAGE industries.

what sets
us apart?

We prioritize collaboration, business partnerships, and the development of fully personalized products. Both in terms of hardware and software. This is our promise and competitive advantage.

We design and develop our electronics with a focus on several areas: HVAC, GAS, WATER. We provide services in the field of contract electronics manufacturing as well as calibration and testing as part of Accredited Laboratories activities.

Choose the industry and find out how we can support the development of your business.


Controllers for heat pumps, heating boilers, heat recovery, and central ventilation. Controllers for underfloor heating.


We create natural gas measurement devices that are safe, reduce costs, and comply with European standards.


Solutions for remote management of water resources in water and sewage companies.


Extensive machine park for the production and assembly of PCBs on demand.


Accredited Testing Laboratory AB 1765 and Accredited Calibration Laboratory AP 074.

how do
we work?

We create OEM solutions. However, we treat each product and its implementation individually. We guarantee full implementation and post-sales support from our R&D department.

We are agile. We develop all our projects in SCRUM methodology, which allows us to implement our devices faster and more effectively.

We manufacture in Poland. We ensure product delivery reliability through local production, fully controlled for quality.

We design competitive and interoperable devices, meaning they collaborate with devices from other suppliers.

get our perspective on
electronics design


automating water meter reading with plum’s solutions

Utilizing Narrowband IoT technology and the straightforward Plug & Play system, we provide easy-to-use and comprehensive electronic solutions for water meter installations.


MCE 2024 trade fair summary

Thank you for the opportunity to make new business contacts and for the fruitful discussions on the future of the HVAC industry, it drives us to action. With heads full of ideas, we get to work. Invariably, we want to be part of our customers' great projects.


join us at the MCE Mostra Convegno 2024

Join us at the MCE Mostra Convegno 2024 in Milan – Discover the new in Plum HVAC Electronics


new brand,
new plum’s services

We've established a new industry called PLUM EMS, which involves comprehensive electronics assembly on demand. We're launching a B2B order platform tailored to our business clients.


on IoT

At Plum, we create electronics for effective energy management, and we want to do it remotely. Learn more about IoT-based electronics in the HVAC, gas, and water supply industries.


the new version
of Plum

After more than three decades of delivering electronics that improve energy efficiency in sectors like gas, HVAC, and water, we have boldly outlined a new chapter in our history. We are undergoing a rebranding process, redefining our purpose, the direction of our actions, and ultimately, our image.