The Peritoneal Dialysis Bag Warmer market—comprising insulated warming pouches, battery-powered travel units, and bedside smart warmers—delivers thermally controlled storage for dialysate bags used in home or hospital peritoneal dialysis (PD). With global PD patient volumes projected to surpass 1.2 million by 2030, reliable bag warming has become a mission-critical component for infection-free, patient-adherent therapy. Against a 2025 baseline, the sector is valued at US$ 184 million, underpinned by a robust 8.4% CAGR through 2033 as providers scale home dialysis programs and payers favor cost-efficient renal-replacement modalities. Rising prevalence of end-stage renal disease (ESRD), favorable CMS reimbursement for home PD, and rapid adoption of automated PD (APD) cycles are converging to expand the addressable market, while sustainability mandates accelerate the shift from mains-powered to low-wattage, lithium-ion warming solutions.