Cooling, mining
and energy that isn't wasted
From the drycooler to the miner, from sizing to reusing the heat. We sell with a proper invoice to companies and individuals, install across Portugal and monitor mining installations remotely anywhere in Europe.
Official DCX partner in Portugal
DCX drycoolers and immersion systems, direct from the factory, at the factory's public prices and with a Portuguese invoice.
- Drycoolers from 15 to 240 kW, for hydro and immersion
- Complete immersion systems for 2 to 24 miners
- We size the installation and see it through
What we do
Everything around mining: the cooling, the miners, the installation, the monitoring and the heat.
DCX drycoolers and immersion
At the factory's public prices, with a Portuguese invoice and installation in Portugal.
Artificial intelligenceMining with AI
Miners watched, regulated and tuned on their own, in Portugal and across Europe.
PackagesInstalled in Portugal
Miners, cooling, delivery and installation for one fixed price.
RemoteMonitoring across Europe
Alerts and adjustments without a site visit, wherever your miners are.
HeatHeat reuse
Hot water, underfloor heating and pools heated by the miners. Page in Portuguese.
SimulatorYour installation in 1 minute
Pick the miner and the cooling, and see what you need and what it costs. In Portuguese.
How we work
Four steps, with no surprises on the invoice or in the noise.
Tell us what you have
Miner model and quantity, and where they will run.
We size it
Electricity, cooling and heat reuse, before you buy.
We deliver with an invoice
Direct from the factory in 2 to 4 weeks, with a Portuguese invoice.
We stay with you
Installation and maintenance in Portugal, remote monitoring anywhere in Europe.
Real installations
Some of the installations we sized and followed. Swipe to see more.
The company recommended by people who already mine
96% of our clients stay with us, and 1 in 2 orders comes from someone who has bought before. Many became friends: they ask us before buying a miner. The DCX factory itself sends us the technical questions from installations in Portugal.
«Excelente experiência, muito prestáveis a responder dúvidas e muito profissionais.»«Eles estão sempre prontos para atender, são muito bem informados e prestam um ótimo serviço.»«Empresa credível e profissional.»5 reviews on Trustpilot, all 4 and 5 stars, written by clients without us asking. And OLX listings since 2019.
How we grew
Born in crypto in 2017, mining since 2019. We grew around what miners need.
OPTMIIZ is born
In the crypto world, with one idea: green investment.
Mining and installing
Ethereum with graphics cards and the first Antminers.
First S17 Pro
Importing and installing the first Antminer S17 Pro.
Projects and immersion
Mining projects and immersion systems for clients.
Official DCX partner
DCX drycoolers and immersion in Portugal.
The new OPTMIIZ
43 drycoolers installed, 170 clients, an online shop and remote monitoring across Europe.
Have an installation in mind?
Tell us the miner model and quantity. We reply on the same working day, in Portuguese or English.