Edge Comfort product · Thermal storage
PCM Cartridge Bank
Ultra-high-conductivity, shape-stabilised PCM bricks — the core product we make and ship.
Made by Edge Comfort — included in your kit quote.
Charge the night. Cool the day.
Quiet, natural comfort designed around how you live.
PCM furniture retrofit kitNight-chargedNo compressor
DIY Studio — AI design & assessment
Your room. Your parts. Our PCM and AI.
Start with the room. The Studio turns your climate, owned parts and comfort target into a PCM kit and a build plan you can actually follow.
Room
Climate, size and night air potential.
PCM kit
Cartridge count and temperature zone.
Build plan
Reuse yours, add only what is missing.
Step 01 — Climate
Night charge potential: Strong
Free cooling from London night air, before any hybrid support.
Step 02 — Your room
Can a window open at night?
Step 03 — What do you already own?
Anything you own is marked “Reuse yours”. The rest gets “Partner pick” — never a forced bundle.
Step 04 — Your Edge Comfort kit
6
× 6 kg cartridges (36 kg)
- Kit tier
- Core
- Temperature zone
- Sleep Pack ~22°C
- Cooling mode
- Passive night charging + quiet day airflow
- Ships with
- Studio AI Hub + sensors
Your room, live
Click a numbered part to inspect it. Faded modules are add-ons waiting to join.
We ship — PCM + AI HubReuse yours / Partner pick — DIY layer
From Edge Comfort — We ship
Your DIY layer — Reuse yours or Partner pick
Comfort preview
Illustrative summer day in London — Studio estimate, not a guarantee.
≈ +5h comfort
Without systemWith your 5-module build
Kit & parts list
You cover 2 parts yourself — the quote is PCM + Hub only.
- 1Reuse yours
Furniture Shell
Retrofit your own bench, sideboard or cabinet using our free cut-out and airflow templates.
- 2We ship
PCM Bank — 6 × 6 kg · Sleep Pack ~22°C
Ships from Edge Comfort with your kit.
- 3Reuse yours
Night Air Path
Use your existing window with a tilt-lock or a simple foam adapter.
- 4Partner pick
Airflow Fan
Silent 140 mm PWM fan category: A quiet low-voltage fan set from an airflow partner. Standard PC or USB fans can be swapped in.
- 5We ship
AI Hub
Ships from Edge Comfort with your kit.
Partner picks are curated recommendations — buy them anywhere, or swap in anything equivalent. The Studio only cares that the airflow and capacity numbers work.
How it works
Your furniture. A full charge cycle, every day.
Passive-first: the system uses night air whenever the climate allows, and borrows your existing AC only for the toughest nights.
Your window is the charger: night air flows in and recharges the PCM bank.
Under the hood
One bench. A full thermal cycle.
Night air freezes the PCM cartridges; by day they quietly absorb the room's heat while a whisper fan spreads the coolth.
22–26°C
Summer packs store night coolth
~32°C
Winter packs store off-peak heat
Steady
Phase change flattens daily swings
Silent. Solid-state. Hidden in plain sight.
The cartridges charge with night air and spend all day releasing coolth — no compressor, no noise. Just a room that stays gentle while you sleep, work and live.
Warm in winter, too.
Swap in ~32°C heat packs, charged off-peak by a small fan heater or heat pump — gentle, steady warmth all evening.
22–26°C
Target comfort zone for summer PCM packs.
Quiet airflow
Fan-assisted comfort without compressor noise.
Night-air first
Charges from cool hours before using hybrid help.
Reuse furniture
Built around benches, cabinets and parts you own.
Powered by Passive Edge PCM technology
Ready to build comfort that feels like home?
The Studio sizes your PCM kit in three clicks. You build it with your own hands and your own furniture — and the room starts taking care of you.