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Real result · Cochran steam boiler
The utilities room others leave bare — fully insulated
Boiler houses are full of hot, awkward, access-heavy surfaces that blanket suppliers and rigid cladding skip. Here is one we covered end-to-end with Inzonex modular insulation — removable in minutes, surface ≤45 °C, FLIR-verified.
Surface ≤45 °C touch-safe
Up to ~96% less heat loss
Payback <2 years
FLIR-verified on site
Measured surface temperature · FLIR on site
148.1°C→33.5°C
Bare boiler surface under the protective guard vs. the same surface under Inzonex modular insulation — touch-safe and stops the heat loss.
Before & after
Before
After
Before
After
🔬 FLIR thermal — measured surface drop
Why boiler doors are usually left bare
It is not that these surfaces can't be insulated — it's that conventional insulation looks bad and is hard to remove, so crews cut it off and never refit it. That is exactly the problem Inzonex was designed to solve.
Conventional insulation jackets
- Held on with straps, wire or velcro
- Those fasteners pull the fabric into creases and dents
- Slow and awkward to remove for service — so they get cut off
- Look unprofessional → the door, economizer and valves are left bare
Inzonex modular insulation
- Snap-button fasteners + functional zipper + structural inserts
- Clean, uniform, professional shape — no creases or dents
- Off and back on in minutes, refits exactly
- So these surfaces finally stay insulated (and keep saving fuel)
What we insulated
The whole hot side of the boiler house — the geometry blanket suppliers and rigid cladding cannot cover cleanly. Every item is removable for service in minutes.
Front & rear boiler doorsUnclip in a minute for servicing and door opening.
EconomizerLarge hot rear-of-boiler surface — major loss when bare.
Feed-water & CR pumpsInsulated up to the motor; ≤45 °C, fewer burn risks.
Safety / pressure-relief valvesCovered up to the spring, access preserved.
Manholes & hatchesBare hot faces — closed off, lower ambient.
Valves & flangesThe most numerous bare hot surfaces in the room.
Water-level columnsBodies insulated, sight section left open both sides.
Burner mounting flangeHot face covered; the more you insulate, the cooler the hall.
Get this for your boiler house
Send a photo or your boiler model — we reply with potential savings, payback and a fixed quote. Free, ASTM C680 method.