₱600,000 a month back in your pocket.AI heat is your new revenue stream.
For Philippine data-centre operators, hospital CIOs and university research leaders running on-premise AI. The 100 kW edge rack that used to dump waste heat to atmosphere now feeds your building's hot water and chilled water. One cascade, two outputs, PUE 1.22, zero water. Bank-financed. The same architecture scales to 25 MW hyperscale.
A GB200 rack draws 110 kW. Air physically cannot handle that.
Air cooling tops out at ~15 kW per rack. NVIDIA's GB200 NVL72 ships at 110–120 kW per rack with direct liquid cooling as standard. The PH data-centre market grows at 22.88% CAGR through 2031 — from 633 MW today to 850 MW by 2030 — and the pipeline is dominated by AI-capable, liquid-cooled facilities.
Water is the new permit blocker
Conventional evaporative cooling consumes ~1.8 L per kWh-IT — about 104 million gallons/yr for a 25 MW facility. Microsoft has committed to water-positive by 2030. Communities in Pampanga, Cavite and Batangas are already objecting to data-centre water use in planning hearings. Karnot's cascade is zero-water. Full stop.
AI heat is your single biggest hidden asset
Every kWh of GPU compute produces ~0.9 kWh of recoverable heat at 30–40 °C. Today you spend electricity to dump that heat to atmosphere. The Karnot CO₂ heat pump upgrades it to 90–110 °C — useful for hot water, absorption cooling, hospital wards, university canteens, district heat. The same kWh of compute that cost you electricity to cool now generates heat that pays you back.
The Karnot Cascade. One cooling loop, two outputs.
DLC cold plates capture 30-40 °C GPU heat. Karnot transcritical CO₂ heat pumps cool the loop AND lift the heat to 90-110 °C in one machine. LiBr absorption chillers use that hot output to deliver the remaining cooling with negligible electrical input. Surplus heat feeds hot water, district loop, fodder, aquaculture.
Karnot iHEAT CO₂
Transcritical CO₂ (R744) heat pump. Cooling COP 3.6, heating COP 4.6 at 110 °C. Cools the cold side AND lifts to 110 °C in one machine. Panasonic two-stage rotary. CE/TÜV/Keymark certified. Scales to 750 kW per unit at hyperscale.
DLC manifolds
Direct Liquid Cooling cold plates and rack manifolds. 3,500× the heat capacity of air per unit volume. Eliminates fans, hot/cold aisle containment, raised floor. Sized 30 kW (single rack) to 25 MW (200 NVL72).
Adsorption chiller
Fahrenheit (DE) rack-integrated unit. 50 kW cooling from hot water alone, water as refrigerant, zero synthetic refrigerants. Deployed at Leibniz Supercomputing Centre Munich (Top500). Negligible electrical input.
iVOLT Solar
Behind-the-meter rooftop PV plus LiFePO₄ battery, sized to offset the iHEAT CO₂ electrical demand at ~117% of cascade load. No grid export, no net-metering paperwork.
100 kW edge data centre. Hospital ICU AI, university research, colo node.
Modelled on a 100 kW edge data centre installed at a Philippine hospital ICU, university research lab, or colocation node. Conventional PUE 1.80 vs Karnot cascade PUE 1.22. Includes 30 kW recovered hot water at 90 °C displacing LPG boiler hot water.
| Annual figure · 100 kW edge DC | Today · CRAC + chilled water | Karnot DLC + CO₂ cascade | You stop paying |
|---|---|---|---|
| PUE (cooling efficiency) | 1.80–2.00 | 1.22 | 40% less overhead |
| Cooling electricity | ~80 kW continuous | ~22 kW continuous | 510,000 kWh/yr saved |
| Cooling cost | ~₱7.1M/yr | ~₱1.95M/yr | ~₱5.15M/yr saved |
| Plus — recovered hot water | (LPG boiler still required) | 30 kW @ 90 °C continuous | ~₱2.0M/yr LPG replaced |
| Water consumption | ~158,000 L/yr if evap-assisted | Zero litres | Permit-blocker eliminated |
| Total investment (VAT-inc) | (already paid) | ~₱6M | < 1 yr cash payback |
The cash flow. Plain and dull.
CAPEX of ~₱6M, financed under a green loan at ~7% p.a. over 60 months. Monthly saving (~₱596K cooling + recovered hot water) is larger than the monthly loan payment. Net cash in pocket from day one.
You pay nothing up front. The bank does.
Three Philippine banks run green-loan programmes that cover ICT infrastructure CAPEX. Net cash flow goes up from day one. Karnot files the loan, the BOI Pioneer registration and the RA 11285 paperwork as part of project scope.
These are loans, not grants. Karnot files the application, BOI Pioneer registration and RA 11285 Income Tax Holiday paperwork as part of project scope.
Where the edge DC actually lives. The PH market today.
AI inference at the edge — the market the hyperscalers can't reach. Hospital ICUs, university research labs, colocation nodes beyond Manila. 50-500 kW deployments, perfectly sized to one Karnot iHEAT CO₂ cascade.
Download the Data Centres Application Brief
A 4-page application brief and a 10-slide deck. The full Karnot DC Technical Paper (Microsoft-grade hyperscale validation) is available on request.
4-Page Application Brief
A4 portrait PDF · print-ready. Hero, cash strip, why-air-cooling-is-over + architecture, four products, numbers table, cash projection, bank finance, edge use cases.
10-Slide Sales Deck
16:9 landscape PDF. The complete sales presentation — problem, cascade, four boxes, numbers, cash flow, bank, edge use cases, hyperscale upside.
Frequently Asked Questions
How much can a Philippine edge data centre save?
A modelled 100 kW edge data centre saves approximately ₱7.15 million per year. This is ₱5.15M/yr from PUE dropping from 1.80 (conventional CRAC) to 1.22 (Karnot cascade), plus ₱2.0M/yr in recovered 90 °C hot water displacing the LPG boiler at the hospital wards or university canteen.
What is the Karnot Cascade?
A three-stage thermodynamic cascade: (1) DLC cold plates capture GPU/CPU heat at 30-40 °C, (2) Karnot transcritical CO₂ heat pumps cool the DLC loop AND produce 90-110 °C hot water in one machine, (3) LiBr absorption chillers use that 90-110 °C heat to deliver the remaining cooling with negligible electrical input. Surplus heat above absorption-chiller demand goes to building hot water, district loop or productive reuse.
Does this work at edge-DC scale or only hyperscale?
Both. The same architecture scales from one NVL72 rack (110 kW) up to 25 MW (200 racks, 14,400 GPUs). Edge-DC scale is the priority PH market today — hospital ICUs, university research labs, colo nodes in Cebu/Davao/Clark/Iloilo. These are 50-500 kW deployments, perfectly sized to one Karnot iHEAT CO₂ 75 kW unit plus a Fahrenheit 50 kW adsorption chiller.
Why is water a problem for conventional DC cooling?
Conventional evaporative cooling consumes ~1.8 L per kWh-IT — ~104 million gallons/yr for a 25 MW facility. Microsoft has committed to water-positive by 2030. PH communities in Pampanga, Cavite, Batangas are objecting in planning hearings. The Karnot cascade is zero-water — heat rejection happens through dry coolers, not evaporation.
Does the cascade work with NVIDIA GB200 NVL72?
Yes. The GB200 NVL72 ships at 110-120 kW per rack with DLC as standard — exactly the input the cascade is designed to receive. At rack scale, one Karnot iHEAT 75 kW CO₂ heat pump (at 80 Hz) delivers ~60 kW direct cooling on the cold side and 77 kW of heat at 110 °C on the hot side. The Fahrenheit 50 kW adsorption chiller uses that 110 °C heat to deliver the remaining 50 kW. Single full NVL72 rack cooled at PUE 1.17.
What is the payback period?
Under 1 year cash payback on a 100 kW edge DC. CAPEX ~₱6M for iHEAT CO₂ 75 kW + DLC manifolds + Fahrenheit 50 kW adsorption chiller + Permits. With a 5-year green loan at ~7% p.a., monthly savings exceed the monthly loan payment by ~₱600,000 net cash in pocket every month from day one.
What edge AI workloads does this enable?
Hospital edge: ICU monitoring AI, real-time imaging triage, pharmacy automation, infectious-disease surveillance. University edge: research compute, AI lab GPU pools, simulation, climate modelling. Colocation edge: nodes beyond Manila (Cebu/Davao/Clark/Bacolod) — closer to users, lower latency, sovereignty-compliant. STT GDC, EdgeConneX, YCO Cloud are all building this segment.
Has the cascade been validated anywhere?
Partial precedent at Leibniz Supercomputing Centre Munich — a Top500 production HPC using adsorption chillers with DLC, consuming just 6 kW to remove 95 kW of heat. The Karnot innovation extends this by inserting the transcritical CO₂ heat pump as the lift between DLC return (30-40 °C) and the absorption chiller's driving temperature (90-110 °C). A single-rack pilot (one NVL72 at 110 kW, projected PUE 1.17) is the validation path for full hyperscale deployment. Full Karnot DC Technical Paper available on request.
Want the numbers for your edge DC?
Send us the rack-level IT load, your expected AI workload mix and 12 months of electricity bills. We come back with a sized iHEAT CO₂ cascade, projected saving, payback and the bank + BOI application ready to sign.