Durastar DRUM4260S2A 42-60,000 BTU Multi-Position Air Handler Indoor Unit - R454B

Durastar DRUM4260S2A – 42,000-60,000 BTU R-454B Multi-Position Air Handler Indoor Unit
Deliver maximum-capacity, adaptable comfort with the Durastar DRUM4260S2A, a 42,000–60,000 BTU multi-position air handler engineered for large residential and light commercial spaces.

Flexible, Multi-Position Design
Measuring 53" x 24-1/2" x 22-5/8" , this unit supports vertical and horizontal installations, providing versatility for basements, mechanical rooms, or commercial utility spaces. Pairs with compatible Sirius Heat™ side-discharge outdoor units for efficient heating and cooling in areas up to ~3,000 sq ft.

Quiet, High-Efficiency Performance
Achieves up to 16.7 SEER2 and 11.7 EER2 with inverter-compatible operation and eco-friendly R-454B refrigerant. Operates as quietly as 34 dB indoors and supports multiple modes—Cool, Heat, Dry, Fan, Auto, and Aux—for year-round performance.

Built for Indoor Air Quality
Features an all-aluminum coil with anti-corrosive Golden Fin coating , built-in dehumidifier, humidifier, and IAQ ports for clean, healthy air. Low-ambient capability enables cooling and heating down to –22 °F , ensuring comfort in extreme climates.

Smart Thermostat Included
Includes the DRSTAT101 programmable wired thermostat for precise temperature control. Compatible with 24V thermostats , allowing seamless integration into smart home or building systems.

Safe, Durable Construction
Equipped with a refrigerant leak detection system , base pan heater , optional electric heater compatibility, and multiple safety protections. Backed by a 10-year parts warranty when installed by a licensed contractor.

Ideal Use Cases
Perfect for large homes, offices, retail spaces, and commercial projects that require a high-capacity air handler with flexible installation, premium air quality features, and smart climate control.