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Industrial Insulation in Türkiye: Climate, Heat Loss & Savings
Updated 12 June 2026 · ASTM C680 / ISO 12241 at Türkiye's real plant-site climate (WorldClim) · by the Inzonex engineering team
Heat loss at Türkiye's ambient — bare vs insulated
| Surface T | Bare @ 14.0 °C | Bare @ winter 4.5 °C | Insulated | Outer surface | Reduction |
|---|---|---|---|---|---|
| 150 °C | 2,652 W/m² | 2,789 W/m² | 142 W/m² | 24 °C | 94.6% |
| 250 °C | 5,910 W/m² | 6,046 W/m² | 156 W/m² | 25 °C | 97.4% |
| 350 °C | 10,948 W/m² | 11,084 W/m² | 262 W/m² | 32 °C | 97.6% |
Computed for Türkiye's plant-site climate. Colder ambient = bigger bare losses = faster insulation payback; design cases use the winter column.
Türkiye's industrial base (open data)
224 power plants (144 coal, 73 gas, 4 oil, 3 nuclear; ≈164,242 MW total) and 664 industrial facilities (refineries, chemicals, steel, cement, food). CO₂ measurements available for selected plants. Explore them all on the PowerAtlas — Türkiye.
| Largest plants | Capacity | Fuel |
|---|---|---|
| Afşin-Elbistan power stations | 9,283 MW | Coal |
| İğneada nuclear power plant | 5,300 MW | Nuclear |
| Akkuyu nuclear power plant | 4,800 MW | Nuclear |
| Sinop nuclear power plant | 4,600 MW | Nuclear |
| ZETES power stations | 3,450 MW | Coal |
What to insulate first
The order is the same everywhere — what changes in Türkiye is the size of the prize (ambient 14.0 °C): start with the bare, maintenance-access parts that fixed lagging leaves open — valves, flanges, steam headers, expansion joints, pump casings and boiler doors — with removable insulation jackets. Then run the numbers for your own site in the whole-plant study.
FAQ
What ambient temperature should insulation be designed for in Türkiye?
At Türkiye's power and industrial sites the annual mean is about 14.0 °C, with winter months averaging 4.5 °C and summer 23.7 °C (WorldClim at the actual plant coordinates). Design heat-loss cases use the winter figure — bare-surface losses are ~1% higher in winter than at the annual mean.
How much heat does bare equipment lose in Türkiye?
At the 14.0 °C annual-mean ambient: a bare 250 °C surface loses ≈5,910 W/m² and a 350 °C surface ≈10,948 W/m² (ASTM C680). Removable insulation cuts these by ~98% and keeps the outer surface touch-safe.
How big is Türkiye's industrial base for insulation?
Our open data covers 224 power plants in Türkiye (144 coal, 73 gas, 4 oil, 3 nuclear; ≈164,242 MW total) plus 664 industrial facilities. Each thermal plant carries hundreds of insulatable components — valves, flanges, headers, joints.