Engineered for larger residential and light commercial spaces, the ACiQ-42-AHD 3.5 Ton Central Ducted Air Handler brings precision comfort and high efficiency together. With a variable speed DC blower and communicating technology, this unit works in tandem with your inverter condenser and thermostat to dynamically adjust BTU output. Designed for full R454B refrigerant compatibility and multi-position installation, it offers seamless integration into your ducted HVAC system while supporting optimal airflow and long-term energy savings.

Ideal For:

✔ Larger Homes or Open-Concept Spaces – Delivers consistent, quiet airflow for high-demand residential environments.

✔ Office Suites & Clinics – Efficient, quiet comfort for medium-to-large professional spaces.

✔ New Builds & Renovations – Perfect for flexible installs in horizontal or vertical ducted layouts.

✔ Manufactured or Modular Buildings – Smart, scalable HVAC component for larger mobile units or prefab construction.

Certifications & Safety Features:

• Efficiency Ratings: Supports up to 18.8 SEER2, 11.0 EER2, and 9.7 HSPF2 (when paired with matching condenser)
• Flexible Multi-Position Install: Suitable for upflow, downflow, or horizontal left/right applications
• Eco-Conscious Refrigerant: Designed for full compatibility with R454B, a low-GWP alternative to traditional refrigerants
• Intelligent Control Board: Built-in fault code display simplifies maintenance and diagnostics
• Optional R4.2 Insulation: Fiberglass-free insulation reduces condensation and boosts thermal performance
• Cold Climate Support: Electric heat kit compatibility ensures supplemental warmth in freezing conditions