< Step Capacity W3SAC - W5SAC - Bard HVAC
Step Capacity - W3SAC - W5SAC
Air Conditioner
Step Capacity - W3SAC - W5SAC


The world’s most energy efficient wall-mounted air conditioner features a multi-step capacity compressor for increased efficiency, quieter operation and improved reliability. Simple thermostatic control seamlessly stages the compressor and indoor airflow rate between high and low capacity operations without cycling the compressor to maximize comfort, humidity control, energy efficiency and overall reduction in compressor cycling for improved system life. Factory or field installed accessories are available to meet specific job requirements.


  • Up to 15.2 IPLV cooling capacity
  • 3-5 ton cooling capacity
  • Single and three-phase power options
  • Copeland step-capacity scroll compressor
  • ECM indoor blower motor
  • R-410A green refrigerant
  • Aluminum finned copper coils
  • Optional electric heat kits
  • Optional ventilation alternatives
  • AHRI Certified
  • ETL Listed (US and Canada)




Color Options

Cabinet Colors

Optional Equipment

  • 2" MERV8. MERV11 or MERV13 Air Filters
  • UV-C LED Light w/Air Filters
  • Ventilation Options
  • Supply/Return Acoustical Accessories
  • Supply/Return Grilles
  • Isolation/Sound Curbs
  • Thermostats
  • CompleteStat
  • MC5300/MC5600 Lead/Lag Controller
  • MC40002 Series Lead/Lag Controller
  • TEC40 Lead/Lag Controller
  • DC3000 Series Lead/Lag Controller