Refinery Heaters: Market Size & Forecast 2026

The global refinery heaters market sits at approximately USD 4.8 billion in 2025 (base year), growing at a 3.2% CAGR through 2032 to reach roughly USD 6.0 billion. The market is structurally tight: concentrated supplier base, long engineering and qualification lead times, and a raw-material cost structure that is unusually exposed to alloy steel and refractory pricing at a moment when Section 232 and Section 301 / Section 122 duties are stacking on Chinese-origin inputs. Capacity additions are weighted toward Asia-Pacific and the Middle East, which is re-rating the geographic demand split. Decarbonisation mandates are creating a secondary procurement inflection around low-NOx burner retrofits and hydrogen-fired heater pilot specifications. > **Analyst Take.** The call is to front-load steel procurement and qualification activity in the next two quarters. Section 122 and Section 301 dutie

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