Daikin Oterra 9,000 BTU

Last updated: October 22, 2026

Daikin Oterra 9,000 BTU
3.5/5#18 of 27 in 9,000 BTU mini-splits
3.5

Daikin’s entry line, for cooling and mild winters: it stops heating below 5 °F, but keeps Daikin’s 12-year registered warranty.

  • 9,000 BTUSize
  • 7,700 Btu/hHeat at 5 °F
  • 71%Kept at 5 °F
  • 10.2 / 21HSPF2 / SEER2
  • Pro installInstall
See it at Daikin

No store we check sells it online; the maker lists where to buy or who installs it.

Pros
  • 12-year parts and compressor warranty once registered
  • Very quiet indoor unit, rated from 19 dB(A)
Cons
  • Stops heating below 5 °F, so a cold winter needs backup heat
  • Needs a licensed HVAC installer: a self-install voids the warranty

How it scores

The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.

Specifications

Capacity (certified)
Size (nominal)9,000 BTU
Cooling at 95 °F9,000 Btu/h
Heating at 47 °F10,900 Btu/h
Heating at 17 °F (max)12,200 Btu/h
Heating at 5 °F (max)7,700 Btu/h
Heat kept at 5 °F71%
Efficiency (certified)
HSPF2 (Region IV)10.2
SEER221
EER212.5
COP at 5 °F2.00
ENERGY STARENERGY STAR Cold Climate
AHRI certificate216620038
Operating range
Heats down to5 °F
Cooling range50 to 118 °F
Installation
Installed byProfessional (sold through installers)
Line set connectionFlare fittings (vacuum pump needed)
Line setup to 66 ft
Voltage230 V
RefrigerantR-32
Indoor unitFTXF09BVJU9
Outdoor unitRXF09BVJU9
Build
Indoor noise19–44 dB(A)
Outdoor noise49 dB(A)
Wi-FiBuilt in
Weightindoor 19 lb / outdoor 63 lb
Warranty12 yr compressor, 12 yr parts

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