Daikin’s New Oterra 115V Heat Pumps: Efficient, Quiet & Easy to Install

Japanese HVAC leader Daikin has just unveiled its latest residential heat pump series—Oterra 115V—designed for single-zone heating and cooling with enhanced efficiency and simpler installation.

Perfect for homeowners looking for flexible climate control, these new units combine Daikin’s advanced inverter technology with eco-friendly R32 refrigerant, delivering reliable performance in a compact package.

Key Features & Specifications

✔ Heating Capacity: 9,000 – 12,000 BTU/h
✔ Cooling SEER2 Rating: Up to 20 (high efficiency)
✔ Heating HSPF2 Rating: Up to 9 (energy-saving performance)
✔ Refrigerant: R32 (difluoromethane) – lower global warming potential
✔ Operating Range:

• Heating: -15°C to 18°C (ideal for mild winters)

• Cooling: 10°C to 46°C (efficient even in hot weather)
  ✔ Noise Levels:

• Indoor Unit: 25 dB(A) (quieter than a whisper)

• Outdoor Unit: 46 dB(A) (minimal disturbance)
  ✔ Power Requirements: Single-slot 15A breaker (easy electrical setup)
  ✔ Warranty: 12-year limited parts warranty

Why Choose the Oterra 115V?

1. Energy-Efficient Inverter Technology

Daikin’s variable-speed compressor adjusts power output based on demand, reducing energy waste and keeping utility bills low.

2. Easier Installation with Signa Flareless Adaptor

The new flareless connection system simplifies copper pipe fittings, cutting down on installation time and potential leaks.

3. Ultra-Quiet Operation

At just 25 dB(A) indoors, these heat pumps run quieter than most background noise, making them perfect for bedrooms and living spaces.

4. Eco-Friendly R32 Refrigerant

Compared to older refrigerants, R32 has a lower environmental impact while maintaining high efficiency.

Ideal for Homeowners Who Want:

• Zoned comfort (single-room heating & cooling)

• Lower energy bills (high SEER2 & HSPF2 ratings)

• Quiet, reliable performance

• Easy installation & maintenance

Final Thoughts

Daikin’s Oterra 115V series is a strong contender for homeowners seeking an efficient, compact, and easy-to-install heat pump. With impressive efficiency ratings, low noise levels, and a 12-year warranty, it’s a smart investment for year-round comfort.

Would you consider a single-zone heat pump for your home? Let us know in the comments!