Wall Mounted Heat Pumps & Air Conditioners
CANAIR 4C28 -30°C

CANAIR 4C28 R-454B – SINGLE ZONE HEAT PUMP BUILT FOR QUÉBEC

The Canair 4C28 wall-mounted heat pump is engineered for Québec’s extreme climate.
With reliable heating and cooling operation down to -30°C, it delivers strong winter performance while maintaining high efficiency and quiet comfort.

Thanks to advanced Inverter technology, the compressor adjusts continuously instead of starting and stopping. This provides faster temperature control, reduced electricity consumption, and more stable comfort throughout the day.

The system uses modern R-454B refrigerant and integrates safety features such as automatic leak detection for dependable operation.

Main Advantages

  • Heating & cooling down to –30°C
  • Up to 27.4 SEER2 / 13.5 HSPF2 depending on model
  • Turbo mode for rapid temperature achievement
  • Silent mode for bedrooms and living areas
  • Follow Me – remote acts as temperature sensor
  • Self-cleaning function helps prevent mould
  • Anti-cold air start for warm air delivery
  • Outdoor heating cables to reduce ice buildup
  • A2L refrigerant leak detection
  • High-quality copper coil for durability

Available Models and LogisVert Rebate

  • 12 000 BTU: Heating up to –30 °C ✔ — SEER2 25.4 / HSPF2 10.5 / EER2 13.4 — LogisVert Rebate: $1 176
  • 18 000 BTU: Heating up to –30 °C ✔ — SEER2 21.4 / HSPF2 11 / EER2 12.5 — LogisVert Rebate: $1 992
  • 24 000 BTU: Heating up to –30 °C ✔ — SEER2 21 / HSPF2 13.5 / EER2 13 — LogisVert Rebate: $2 520
  • 30 000 BTU: Heating up to –30 °C ✔ — SEER2 19.5 / HSPF2 10.5 / EER2 12 — LogisVert Rebate: $3 600

ENERGY STAR Certificates

The ENERGY STAR certificates confirm that the product meets strict energy efficiency standards for cold climates.

  • Certificate #: 3712079
  • Certificate #: 3712080
  • Certificate #: 3712081
  • Certificate #: 3712083

Comfort Designed for Québec Homes

  • Stable heating during harsh winters
  • Energy savings all year long
  • Quiet indoor environment
  • Reliable start-up in freezing conditions
SEER2: 27.4 HSPF2: 13.5 EER2: 18.4 SEER: 27.4 Sound Level: 19.5 Model: 4C28SEH12H21 / 4C28SCH12H21, 4C28SEH18H21 / 4C28SCH18H21, 4C28SEH24H21 / 4C28SCH24H21, 4C28SEH33H21 / 4C28SCH33H21, 4C28SEH09H21 / 4C28SCH09H21 AHRI: 215449717 | 215449718 | 215449719 | 215449720 | 215449723 Minimum Operating Temperature: -30 Series: 4C28 Capacity: 9 000 BTU, 12 000 BTU, 24 000 BTU, 33 000 BTU, 18 000 BTU Refrigerant: R-454B Compressor Technology: Inverter Certifications: ENERGY STAR Cold Climate, ENERGY STAR Technology Features: Refrigerant leak detection Rebate Programs: LogisVert Rebate Amount: 3 600 Parts Warranty: 10 Labor Warranty: 10 Technology: Inverter technology, Heating down to -30 °C, Turbo mode for rapid temp rise, Follow Me temperature sensor, Self‑cleaning coil function Aesthetics: Clean, modern minimalist design, Slim, unobtrusive wall‑mounted profile, Sleek, discreet visual presence, Seamless blend into interior décor Technical details: Turbo mode for rapid temperature achievement, Silent mode for bedrooms and living areas, Follow Me – remote acts as temperature sensor, Self-cleaning function helps prevent mould, Anti-cold air start for warm air delivery, Outdoor heating cables to reduce ice buildup, A2L refrigerant leak detection, High-quality copper coil for durability

Efficiency

Up to
27.4 SEER2
Up to
13.5 HSPF2
Up to
18.4 EER2
Up to
27.4 SEER
Ultra heat down to
-30 °C

BTU

9 000 BTU
300 – 500 sq. ft.
12 000 BTU
400 – 650 sq. ft.
18 000 BTU
600 – 1 000 sq. ft.
24 000 BTU
800 – 1 300 sq. ft.
33 000 BTU
1 100 – 1 600 sq. ft.

MODELS AND CERTIFICATIONS

BTU
Model
AHRI
9 000 BTU
4C28SEH09H21 / 4C28SCH09H21
215449717
12 000 BTU
4C28SEH12H21 / 4C28SCH12H21
215449718
18 000 BTU
4C28SEH18H21 / 4C28SCH18H21
215449719
24 000 BTU
4C28SEH24H21 / 4C28SCH24H21
215449720
33 000 BTU
4C28SEH33H21 / 4C28SCH33H21
215449723

Characteristics

PERFORMANCE
  • Quiet operation 19.5 dB
  • R-454B refrigerant
  • Inverter
  • ENERGY STAR
  • ENERGY STAR Cold Climate
  • Refrigerant leak detection
SUBSIDIES
  • LogisVert
  • Up to 3 600 $
Technology
  • Inverter technology
  • Heating down to -30 °C
  • Turbo mode for rapid temp rise
  • Follow Me temperature sensor
  • Self‑cleaning coil function
Aesthetics
  • Clean, modern minimalist design
  • Slim, unobtrusive wall‑mounted profile
  • Sleek, discreet visual presence
  • Seamless blend into interior décor
Technical details
  • Turbo mode for rapid temperature achievement
  • Silent mode for bedrooms and living areas
  • Follow Me – remote acts as temperature sensor
  • Self-cleaning function helps prevent mould
  • Anti-cold air start for warm air delivery
  • Outdoor heating cables to reduce ice buildup
  • A2L refrigerant leak detection
  • High-quality copper coil for durability

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.

Add a review
Your rating

Customer Reviews

Find out what our customers are saying about us.
Read our Google reviews
5
Thermolux prides itself in customer service. Read what our customers are saying about us on Facebook.
Read our Facebook reviews
5
Site under construction