Product-level market taxonomy differentiates catheters on thermodynamic control modality, directly influencing capital budgets and reimbursement coding. Irrigated-tip RF catheters lead with ~64 % share; active cooling permits higher power delivery without char formation, translating into 15 % shorter procedure times and measurable lab-throughput gains. Non-irrigated RF retains 19 %, confined mainly to Japan and emerging markets where saline pumps are capital-constrained; lower unit price offsets longer dwell times. Cryoablation balloon systems hold 12 %, concentrated in AF workflows that value single-shot isolation, yet require upfront console investment that restrains conversion rates. Laser and pulsed-field platforms, though nascent at 5 %, are tracked as long-term substitutes because they promise extra-thin lesion borders—critical for redo cases near phrenic nerves. Each type thus defines discrete replacement cycles, training costs, and competitive positioning within the Temperature Ablation Catheter market size.