Wall Mounted Heat Pumps & Air Conditioners
DUCTLESS HEAT PUMP AMERISTAR 17 SEER -20°C

Ameristar 17 SEER 9,000 BTU Wall‑Mounted Heat Pump is a high‑efficiency wall‑mounted mini‑split designed for cold climates, offering reliable heating performance down to –20 °C.

Outstanding efficiency: 17 SEER / 9 HSPF — balances energy savings with consistent climate control 

Cold‑climate heating capability: heats effectively in temperatures as low as –20 °C — suited to Quebec winters 

R‑410A refrigerant: dependable and widely used in modern heat pump systems ([turn0search9])

Quiet operation: approximately 36 dB(A) indoors and 60 dB(A) outdoors depending on conditions ([turn0search1])

Optional Wi‑Fi control: remote access available via optional Wi‑Fi module ([turn0search14])

Installed by Thermolux, this model ensures professional setup and ongoing support. Built for durability, thermal comfort, and year‑round energy efficiency.

SEER: 17 dB: 36 Model #: M4MHW1709A1N0*/M4THS1709A11N*, M4MHW1712A1N0*/M4THS1712A11N*, M4MHW1718A1N0*/M4THS1718A11N*, M4MHW1724A1N0*/M4THS1724A11N* AHRI #: 207245100, 207245101, 207245102, 207245103 °C: -20 Serie: 17-SEER

Efficiency

Up to
17 SEER
Up to
10.2 EER
Up to
8.5 HSPF
Ultra heat down to
-20 °C

BTU

9,000 BTU
300 – 500 sq ft
12,000 BTU
400 – 650 sq ft
18,000 BTU
600 – 1000 sq ft
24,000 BTU
800 – 1,300 sq ft

Characteristics

EFFICIENCY
  • Up to 17 SEER
  • Up to 10.2 EER
  • Up to 8.5 HSPF
  • Ultra heat down to -20°C
PERFORMANCE
  • Quiet Operation 36 dB
  • Non-ozone depleting R-410A refrigerant
TECHNOLOGY
  • 17 SEER efficiency, cooling/heating performance
  • Heating operation down to −20 °C
  • Single-stage INVERTER compressor
  • Optional Wi‑Fi control
  • Warranty 10‑10‑0
AESTHETICS
  • Sleek, modern minimalist design
  • Slim, unobtrusive wall‑mounted profile
  • Discreet visual presence
  • Neutral white uniform finish
SUBSIDIES
  • LogisVert
  • Up to $

Warranty

  • 10 years parts limited warranty1
  • 10 years labor warranty1


Notes

  • 1 To the original owner, when product is used in an owner-occupied residence, he is covered a 10-year parts limited warranty.

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