For building owners
We install a heat source in your building — and pay for it ourselves.
HeatLoop puts a liquid-cooled compute rack in your plant room at our own cost. It runs on our electricity, and the heat it produces goes into your circuit at a fixed €50 per megawatt-hour. You buy heat. We handle everything that makes it.
Is your building a fit?
Our offer is worth taking only if €50/MWh beats what your heat costs you today. For some buildings it does not, and we would rather establish that in the first email than the third meeting.
District heating
Tallinn district heat runs around €77.82/MWh ex-VAT. Our €50/MWh is a clear saving on every megawatt-hour we can cover.
Gas or oil boiler
Fuel plus carbon cost plus boiler maintenance. We displace the fuel and take the maintenance off your plate for the share of load we serve.
Direct electric heating
Resistive heating costs you roughly the delivered price of electricity. That is the most expensive heat there is, and the easiest for us to beat.
Year-round hot water demand
Pools, spas, hotels, laundries, food processing and greenhouses. Summer demand is what makes a heat node earn all twelve months.
A well-performing ground-source or air-source heat pump
A ground-source system running at a seasonal COP of 3 delivers heat for something like €30–45/MWh at Estonian electricity prices. That is below our price, and we will not pretend otherwise.
There can still be a reason to talk — a heat pump that is undersized for peak demand, a second building on the same connection, or spare grid capacity you are paying to hold and not using. But heat alone will not be the argument.
A worked example
A 2,049 m² Tallinn office building on district heating, from metered consumption over a full year.
- Annual heat consumption
- 141.2 MWh
- Current price, district heat
- €77.82/MWh
- Current annual heat cost
- €10,988
- HeatLoop price
- €50/MWh
- Annual heat cost with HeatLoop
- €7,060
- Saved per year
- €3,928 · 36%
Read the caveat with the number
That figure assumes we cover the building's full annual heat demand. In practice a first node covers part of it, and the saving scales with the share we actually deliver.
Heat output tracks compute load, so a realistic first-year contract is written around a base-load share with your existing system carrying peak and backup. We will model your building specifically rather than apply this example to it.
What a site needs
Five things. If you can answer yes to the first three, the rest is straightforward.
- Spare electrical capacity
- About 40 kW available on your connection, or headroom we can add.
- A place to put it
- Plant room, basement or service space with roughly the footprint of a standard server rack, plus access.
- A water circuit we can reach
- Space heating, ventilation or domestic hot water — anything we can connect to through a heat exchanger.
- A metering point
- Delivered heat is metered. You pay for what you actually receive, and nothing else.
- Internet connectivity
- A business-grade connection. We supply and manage the networking equipment.
Questions we get
What does it cost me to install?
Nothing. HeatLoop owns the rack, the cooling loop, the heat exchanger and the networking, and pays for the installation. You provide space and a connection.
What am I actually buying?
Heat, metered in megawatt-hours, at a fixed €50/MWh under a long-term offtake agreement. There is no minimum-purchase obligation for heat we fail to deliver.
Who pays for the electricity?
We do. The rack runs on a metered supply that is our cost, not yours. Your electricity bill is unaffected by our consumption.
What happens when the compute is idle?
Heat output follows compute load, so it is not a guaranteed year-round source on its own. Your existing heating stays in place as the primary system and we sit alongside it. In practice we size the node so it covers base load rather than peak.
Is it noisy?
Liquid cooling moves the heat out in water rather than air, so a rack is far quieter than an air-cooled equivalent. We assess noise at survey and specify the installation around the space.
How long is the agreement?
Long-term by design, since we are financing the hardware. Exact term and exit conditions are set per site — talk to us and we will put a draft in front of you.
Already talking to us?
Your metered electricity consumption answers most of our questions at once. You can export it yourself from Elering's portal in about five minutes.
Tell us about the building
A first assessment needs very little. Answer what you can — we can work out the rest from your metering data, and we will tell you honestly if the numbers do not work.
- Building type and approximate floor area
- How it is heated today, and what you pay per MWh if you know it
- Roughly how much heat you use per year
- Whether there is spare electrical capacity on the connection
- Location
info@heatloop.com