De Warmte Maatschappij
De Warmte Maatschappij B.V. is a Dutch private company that develops, owns, and operates the Smart Thermal Grid — a very-low-temperature electric heat network paired with Clara® water-water heat pumps — to provide fossil-free heating and cooling to Dutch housing corporations, municipalities, project developers, and individual homeowners, with revenue from recurring consumption-based heat supply contracts and a maintenance JV covering ~10% of Dutch social rental housing.
- Company typePrivate
- Founded-
- HeadquartersOldenzaal, Netherlands
- Headcount11–50
- GTM typeB2B and B2C
- OfferingServices
What De Warmte Maatschappij does
De Warmte Maatschappij B.V. is a privately held Dutch company (KvK 80683169) headquartered in Oldenzaal, Netherlands, that develops, owns, and operates fossil-free heating and cooling infrastructure for Dutch residential buildings. Its core offering is the Smart Thermal Grid (STG), a fully electric, very-low-temperature (ZLT, ~10°C) collective heat network combined with a PLC-based data network, paired with the Clara® BoosterUnit — a water-water heat pump roughly the size of a tall refrigerator that replaces the customer's gas-fired CV boiler and provides both space heating and active cooling via Clara® FanCoils. The system can harvest low-grade heat from closed ground loops, sewage (riothermie), and surface water (aquathermie), and the surrounding Clara® product family (LogicController, ControlHub, FlowStation, PowerHeat, ClimateController, PowerStorage, PowerLink, MobileCharge) extends the platform into neighborhood-level peak shaving, EPEX-spot electricity purchasing, neighborhood batteries, and EV charging.
The company serves two distinct customer segments. On the B2B side, its primary buyers are Dutch housing corporations (woningcorporaties), municipalities (gemeenten), and project developers, engaged via a dedicated sales manager and senior consultant team in advisory-led sales cycles aimed at gas-free neighborhood transitions; it also participates in the government's Programma Aardgasvrije Wijken (PAW). On the B2C side, individual homeowners sign up directly via dewarmtemaatschappij.nl and self-serve through the Mijn De Warmte Maatschappij portal. Revenue is recurring and consumption-based: customers pay a monthly advance (voorschotbedrag) plus a fixed connection charge (vastrerecht), with annual reconciliation against individually metered GJ/kWh consumption. De Warmte Maatschappij retains ownership of the STG infrastructure and Clara® BoosterUnits.
Operationally the company is co-founder of Het Warmte Team — a multi-year strategic partnership with Talen Vastgoedonderhoud and Lenferink Vastgoedonderhoud, two large Dutch property-maintenance contractors that together service approximately 10% of all Dutch social rental homes — providing installation and multi-year maintenance across the connected footprint. Its wholly-owned subsidiary Thermodex operates the digital platform for monitoring and managing the heat installations and collective energy systems. Only one named deployed customer is publicly disclosed (De Hilversumse Meent, a 20-home pilot), and Hubert Bloemen serves as the company's Director.
De Warmte Maatschappij firmographics
Firmographics- Name
- De Warmte Maatschappij
- Legal name
- De Warmte Maatschappij B.V.
- Website
- https://dewarmtemaatschappij.nl
- Company type
- Private
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- De Warmte Maatschappij B.V. is a Dutch private company that develops, owns, and operates the Smart Thermal Grid — a very-low-temperature electric heat network paired with Clara® water-water heat pumps — to provide fossil-free heating and cooling to Dutch housing corporations, municipalities, project developers, and individual homeowners, with revenue from recurring consumption-based heat supply contracts and a maintenance JV covering ~10% of Dutch social rental housing.
- Ownership category
- akta.pro rank
De Warmte Maatschappij industry classification
Industry- Product category
- District Heating Services
- NAICS
- Steam and Air-Conditioning Supply (221330), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Heating Equipment (except Warm Air Furnaces) Manufacturing (333414), Power Boiler and Heat Exchanger Manufacturing (33241)
- SIC
- Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Steam & Air-Conditioning Supply (4961), Heating Equipment, Except Electric & Warm Air Furnaces (3433)
- akta.pro primary industry
- Residential DER Aggregation & VPPs (Solar+Storage, Smart Home, Community) (EUAFAHAA)
- akta.pro secondary industries
- Heat Pumps (Air/Water/Ground Source) (IMAHAKAF), DERMS Platforms & Utility Integration (ADMS/SCADA Integration, Hosting Capacity) (EUAFAHAF), Waste Heat Recovery & Heat Integration (HRSG/ORC, Pinch Analysis, Heat Exchangers) (EUABAJAF), DER Aggregation & Virtual Power Plants (VPPs) (EUAMAJAC)
Keywords
Where De Warmte Maatschappij is headquartered
LocationHeadquarters
- HQ city
- Oldenzaal
- HQ country
- Netherlands
- HQ region
- Europe
Offices1 record
Markets served
De Warmte Maatschappij business model
Business model- GTM type
- B2B and B2C
- Offering type
- Services
- Cost components
- Infrastructure, Personnel, Technology or R&D, Operations, Marketing or Sales
Revenue model
- Heat & Cooling Supply (Clara®): De Warmte Maatschappij supplies heat and cooling to connected households via its Smart Thermal Grid. Customers pay a monthly advance (voorschotbedrag) based on estimated consumption, with an annual settlement (jaarafrekening) that reconciles actual usage against advance payments, resulting in either a refund or a supplementary payment. Customers also pay a fixed connection charge (vastrecht). Consumption is individually metered in GJ and kWh per Clara® BoosterUnit.
- ZLT Heat Network Development & Maintenance: De Warmte Maatschappij develops, installs, and maintains the Smart Thermal Grid infrastructure (bronnet, FlowStations, ControlHubs) and the Clara® BoosterUnit (water-water heat pump). The company retains ownership of the STG and the Clara® BoosterUnit. Revenue is generated through ongoing heat supply contracts with customers and possibly development fees from housing corporations.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Heat and cooling supply per household — variable and fixed components |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels6 records
De Warmte Maatschappij product offering
Product offeringCore offering
De Warmte Maatschappij develops, owns, and operates the Smart Thermal Grid (STG), a fully electric, Very Low Temperature (~10°C) collective heat network with a PLC-based data network, and supplies the proprietary Clara® water-water heat pump system (BoosterUnit) and ecosystem components to individual households. The company supplies heat, cooling, and domestic hot water to connected homes under subscription contracts, replacing gas-fired boilers and serving both Dutch housing corporations (woningcorporaties) and individual homeowners.
Product overview
De Warmte Maatschappij offers a comprehensive smart heating solution combining the Smart Thermal Grid (STG) platform with the Clara® product family. The core system consists of a Zeer Laagtemperatuur-Warmtenet (ZLT-warmtenet) — a very low temperature district heat network — that distributes heat via a closed pipe system at 1.5-2 meters depth, connected to individual Clara® BoosterUnits (water-water heat pumps) in each home. The Clara® product family includes the BoosterUnit, PowerHeat (boiler), FanCoil (ventilation convector for heating/cooling), LogicController (PLC brain), ControlHub, FlowStation, PowerStorage (neighborhood battery), PowerLink, and MobileCharge (EV charging). The Thermodex digital platform manages and monitors the installations, while Mijn De Warmte Maatschappij provides the customer portal for consumption tracking and billing.
Differentiator
Problem solved
Functional benefit
Brands
- Clara®: The Clara® brand represents the company's heating and cooling solution, including the Clara® BoosterUnit (water-water heat pump), Clara® PowerHeat (boiler), Clara® FanCoil (ventilation convector), Clara® ClimateController (thermostat), Clara® LogicController, and Clara® ControlHub components for the Smart Thermal Grid system.
Products and services
- Clara® Heating and Cooling System The Clara® system replaces the traditional gas-fired CV boiler with a water-water heat pump (the Clara® BoosterUnit) approximately the size of a tall refrigerator. It provides space heating, active cooling via FanCoils, and domestic hot water for individual households, integrating with the Smart Thermal Grid and individually metering consumption in GJ and kWh.
- Smart Thermal Grid (STG) - Collective Low-Temperature Heat Network A fully electric, Very Low Temperature (ZLT) collective heat network with an integrated PLC data network that distributes low-temperature water (~10°C) via a closed-loop, horizontal ground-boring pipe system to individual Clara® BoosterUnits. It enables demand-supply optimization, peak shaving, smart electricity purchasing, and integrates neighborhood battery, EV charging, and cooling functions, scalable from 40 homes with no upper limit.
- Heat and Cooling Supply Service Subscription-based supply of heat and cooling to connected households via the Smart Thermal Grid. Customers pay a monthly advance (voorschotbedrag) based on estimated consumption, a fixed connection charge (vastrecht), and receive an annual settlement (jaarafrekening) reconciling actual GJ and kWh usage against advances.
- ZLT-warmtenet (Very Low Temperature Heat Network) Zeer Laagtemperatuur-Warmtenet: a district heat network that circulates water at approximately 10°C through a closed pipe system at ~1.5-2 m depth, eliminating the heat loss associated with traditional high-temperature district heating and enabling low-temperature source integration such as riothermie (sewage heat) and aquathermie (surface water heat).
Quantifiable outcome
- CO2 emissions reduced by replacing natural gas with electricity for heating and hot water
- +4 more outcomes
Companies that use De Warmte Maatschappij
Customer profileNamed customers1 record
Segments4 records
Ideal customer profiles4 records
De Warmte Maatschappij technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature13 records
De Warmte Maatschappij partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered core and minor.
- Programma Aardgasvrije Wijken (PAW) — Dutch GovernmentcoreDe Warmte Maatschappij participates in the Dutch government's Programma Aardgasvrije Wijken (PAW), a subsidized trial garden program for neighborhood-level energy transition. The PAW provides 800 million euros annually (2023–2030) for 66 designated pilot neighborhoods, with municipalities required to draft transition visions and neighborhood implementation plans. De Warmte Maatschappij's ZLT heat network is presented as a qualifying solution within this program.
- Het Warmte Team (Talen Vastgoedonderhoud & Lenferink Vastgoedonderhoud)coreDe Warmte Maatschappij co-founded Het Warmte Team with two large, reputable property maintenance companies: Talen Vastgoedonderhoud and Lenferink Vastgoedonderhoud. This is a multi-year strategic partnership for the integrated renovation concept. Talen and Lenferink together handle multi-year maintenance for approximately 10% of all social rental homes in the Netherlands (~240,000 homes). They provide installation of the Clara® system in connected homes and ongoing maintenance, while De Warmte Maatschappij develops and operates the Smart Thermal Grid and supplies heat and cooling.
- Elaad (Joint Grid Operators)minorElaad, representing Dutch electricity grid operators (including Liander), is described as 'very interested' in De Warmte Maatschappij's Smart Thermal Grid for its peak shaving and grid leveling capabilities. Arjan Wargers, Manager Research and Innovation at Elaad, publicly commented on the system's value for fitting neighborhood electricity demand within available grid capacity at any given moment.
- Liander (Grid Operator)minorLiander, a Dutch electricity and gas grid operator, is specifically cited as being interested in the Smart Thermal Grid's peak shaving (net nivellering) capabilities. The STG's ability to reduce simultaneous electricity demand helps grid operators manage network capacity constraints.
- ThermodexcoreThermodex is described as the digital platform company developing the software that connects, monitors, and manages sustainable heat installations and collective energy systems. It is closely integrated with De Warmte Maatschappij's operations, building the digital platform for the Smart Thermal Grid. Job postings indicate Thermodex operates as a distinct entity but is functionally integrated into DWM's technology stack.
Scale indicators8 records
Recent moves6 records
Expansion highlights6 records
De Warmte Maatschappij competitors and assessment
Company assessmentMarket position
Strengths4 records
Competitive moat6 records
Key risks6 records
Key highlights6 records
Customer concentration
De Warmte Maatschappij social profiles
Digital presenceDe Warmte Maatschappij financial estimates
Financial estimateRevenue estimate
Valuation estimate
De Warmte Maatschappij leadership team
Management profileNumber of profiles
Profiles1 record
De Warmte Maatschappij subsidiaries and ownership
Company hierarchySubsidiaries1 record
De Warmte Maatschappij funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
De Warmte Maatschappij M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about De Warmte Maatschappij
What does De Warmte Maatschappij do?
De Warmte Maatschappij develops, owns, and operates the Smart Thermal Grid (STG), a fully electric, Very Low Temperature (~10°C) collective heat network with a PLC-based data network, and supplies the proprietary Clara® water-water heat pump system (BoosterUnit) and ecosystem components to individual households. The company supplies heat, cooling, and domestic hot water to connected homes under subscription contracts, replacing gas-fired boilers and serving both Dutch housing corporations (woningcorporaties) and individual homeowners.
Is De Warmte Maatschappij a public or private company?
De Warmte Maatschappij is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was De Warmte Maatschappij founded?
De Warmte Maatschappij was founded in -1. It employs 11 to 50 people.
Where is De Warmte Maatschappij based?
De Warmte Maatschappij is headquartered in Oldenzaal, Netherlands, in the Europe region.
How does De Warmte Maatschappij make money?
Two revenue lines are on record. Heat & Cooling Supply (Clara®) is the primary driver. The others are ZLT Heat Network Development & Maintenance.
Does De Warmte Maatschappij have an API?
No public API is recorded for De Warmte Maatschappij.
What industry is De Warmte Maatschappij in?
De Warmte Maatschappij's product category is District Heating Services. Its primary akta.pro industry code is EUAFAHAA, Residential DER Aggregation & VPPs (Solar+Storage, Smart Home, Community), with a secondary code of IMAHAKAF, Heat Pumps (Air/Water/Ground Source). Its NAICS code is 221330 and its SIC code is 3585.