STELPRO Pro B 24,000 BTU R-454B


Cooling capacity
24,000 BTU
Heats down to
−30 °C
Model number (indoor)
SEPB-H24A-I
Model number (outdoor)
SEPB-H24A-O
Indoor dimensions (W × H × D)
41 x 15 x 11

Wall-mounted heat pump replacement from $2,690 + tax, installation and 10-year warranty included. Installation is usually scheduled within 2 weeks of the accepted quote, depending on model availability. Get my price

Estimated LogisVert rebate

up to $2,664

Capacity at −8 °C: 22,200 BTU/h (ENERGY STAR cold climate), per the list used by Hydro-Québec as of October 21, 2026. Subject to eligibility. Conditions and steps

Get my price

Personalized price — reply within 24 hours.

  • Installed by certified technicians
  • RBQ licence 5845-4109-01
  • Help with the LogisVert rebate

Specifications

Provincial rebateLogisVert rebate

Outdoor dimensions (W × H × D)
40,5 x 32 x 18
ENERGY STAR®
Yes
WiFi
Yes
AHRI certificate
216082326
Efficiency
21.0 SEER2 · 13.5 HSPF2 · 13 EER2
Warranty (compressor – parts – labour)
10 years – 10 years – 6 years
Line set
3/8 in · 5/8 in
Voltage
230 V
Sound pressure level (outdoor)
61 dB(A)
Refrigerant
R-454B

Manufacturer data. Exact performance values are confirmed by the AHRI certificate of the installed match-up.

Why choose the STELPRO Pro B 24,000 BTU R-454B?

This ductless mini-split heat pump stands out for its exceptional A+++ energy rating, combining superior energy efficiency with low energy consumption to ensure optimal heating and cooling in every season. Equipped with an ionizer and a high-density filter, it guarantees outstanding indoor air quality. Its compact design and flexible installation options make it an ideal solution for a variety of spaces.

  • New high-performance gas R-454B
  • Increased reliability with the new A2L gas leak detector
  • New technology and innovative design
  • Wi-Fi
  • Self-cleaning
  • Easy-to-clean indoor unit filter
  • Warranty: 10 years on parts and 10 years on the compressor, provided by the manufacturer.
  • 6-year labor warranty at no extra cost.

Our complete installation service includes:

  • Installation and commissioning performed by a certified refrigeration technician;
  • Valid RBQ licenses and liability insurance.
Brochure Download the brochurePDF · 910.9 KB · in French

Frequently asked questions

FAQ about the STELPRO Pro B 24,000 BTU R-454B

Is the STELPRO Pro B 24,000 BTU R-454B the right size for my space?

The STELPRO Pro B 24,000 BTU R-454B has a cooling capacity of 24,000 BTU. The right size depends on the area to heat and cool, insulation, window orientation and how many rooms you want to serve. During the quote, a certified technician checks the sizing to avoid a unit that is too small (uncomfortable in winter) or too large (short cycles, poor humidity control).

Does the STELPRO Pro B 24,000 BTU R-454B keep heating in Montréal’s deep cold?

Yes: according to the manufacturer’s data, this model keeps heating down to an outdoor temperature of −30 °C. Like any heat pump, its output decreases as it gets colder; we’ll advise you on the backup heat to keep for your home.

What warranty comes with the STELPRO Pro B 24,000 BTU R-454B?

The manufacturer’s warranty covers the compressor for 10 years and parts for 10 years; labour is covered for 6 years. Installation is done by a certified refrigeration technician, with valid RBQ licences and liability insurance.

Does this model qualify for a rebate?

This model is ENERGY STAR® certified and is one of the units we offer for Hydro-Québec’s LogisVert program. Eligibility and the amount depend on the program rules in effect and on your installation: we check them with you and prepare the application documents.

How long does installation take?

Installing or replacing a wall-mounted heat pump is usually done in a single day: indoor and outdoor units, refrigerant lines, drainage, electrical hook-up and start-up. The exact duration is stated in your quote.

What is the installed price of the STELPRO Pro B 24,000 BTU R-454B?

Wall-mounted heat pump replacement starts at $2,690 + tax, with a 10-year warranty included. The installed price of this model depends on your setup (unit locations, line set length, electrical work). Answer a few questions and get your personalized price within 24 hours, with no obligation.

Need help with the process?

Talk to an HVAC MTL expert and find out which rebates you qualify for

Our specialists guide you every step of the way: from choosing your heat pump to submitting your rebate application. Get a free assessment and a personalized quote within 24 hours, with no obligation.

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We serve:

  • Montréal
  • Laval
  • Many South Shore cities

A local team based in Montréal’s Sud-Ouest, serving the whole island, Laval and the South Shore.

  • Reply within 24 hours
  • Free assessment and quote, no obligation
  • Certified technicians · RBQ 5845-4109-01