TANDEM PRODUCTCOMPLETE SYSTEMPATENT PENDING
Tandem Core
Advanced wastewater treatment for homes and small communities, in a single sealed, low-energy unit.
In development — awaiting final certification before release.
The product family
Six products. One idea: advanced wastewater treatment and water reuse, in tandem with the home.
Advanced treatment for homes and small communities. An upgrade for the system you already own. A toilet that recycles its own water. And fresh water from the sea, for life on board.
TANDEM PRODUCTCOMPLETE SYSTEMZERO ENERGYPATENT PENDING
Tandem Core-G
Wastewater treatment with no electricity at all — gravity does the work, for off-grid homes and remote sites.
In development — awaiting final certification before release.
TANDEM PRODUCTRETROFIT ADD-ONPATENT PENDING
Tandem Boost
An add-on that upgrades the septic system you already have — cleaner output and water reuse, without replacing your system.
In development — awaiting final certification before release.
TANDEM PRODUCTCLOSED-LOOP TOILETPATENT PENDING
Tandem Loop
A self-contained toilet that recycles its own flush water — built for RVs, boats, and off-grid living where water is precious.
In development — awaiting final certification before release.
TANDEM PRODUCTMARINEIN DEVELOPMENT
Tandem Tide
Compact seawater-to-drinking-water conversion for boats, designed to run on solar.
In development — awaiting final certification before release.
TANDEM PRODUCTLOCATINGIN DEVELOPMENT
Tandem Detectable Cap
A septic and well cap that can be located from the surface — so a buried tank or well is found in minutes, with no digging, no probing, and no torn-up yard.
Patent pending — in development, awaiting final certification before release.
TANDEM PLATFORMWATER STORAGEIN DEVELOPMENT
Tandem Underground Storage
A complete underground water storage facility system. Water from rain, wells, and existing supplies is conditioned, treated by the Tandem core, monitored continuously, and held cool and protected underground — sized for a single property, a farm, or a national reserve network.
In development — awaiting final certification before release.
PARTNER PRODUCTSNOW OPEN
Tandem Select
Carefully chosen partner products — water filtration, water testing kits and more — that sit alongside the Tandem family, sold and supported through the same dealer network.
The first partner products and water testing services are available now in the Tandem store.
All Tandem products are in development and awaiting final certification before release.
The World’s Water — and How We Win It Back
An overview of world water resources, the crises, and Tandem’s mission.
Roadmap
Our route to release
The sequence is fixed, and it is the same for every product in the family.
STEP 1Development
The company is pre-launch: five US patent applications are pending, and every product is in development, awaiting final certification before release.
IN DEVELOPMENTSTEP 2Certification
A certification programme is in preparation. No Tandem product is certified today, and none will be released until it is — that sequence is fixed.
PROGRAMME IN PREPARATIONSTEP 3Release
Products are released only after final certification, and are sold, installed and serviced locally through the Tandem dealer network.
AFTER CERTIFICATIONCertification
Certification comes before release.
A certification programme is in preparation. No Tandem product is certified today, and none will be released until it is — that sequence is fixed. All Tandem products are in development and awaiting final certification before release, and this page will be updated as the programme advances.
Intellectual property
Patent pending — filed before any public disclosure.
The products were protected before anything about them was shown in public. Five US patent applications pending.
Patent pending means applications have been filed with the US Patent and Trademark Office; it is not a granted patent.