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ZEPHYRWall-mounted heat pump · CB22 · CB25 · UB32ZEPHYR wall units at AirGreenSold and installed by AirGreen across Montreal, Laval, Longueuil, the South Shore and the North Shore.
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ZEPHYR wall-mounted heat pump · updated October 9, 2026

Zephyr wall-mounted heat pumps: three series, down to -30 °C.

The CB25 and UB32 wall units, on R-454B, heat down to -30 °C according to Zephyr; the CB22, on R-32, down to -25 °C. From 9,000 to 24,000 BTU/h, on 115 V or 208/230 V. We choose the series and size with you, check the LogisVert amount by AHRI number and install across Greater Montreal.

R-454B and R-32Up to 32 SEER2From 28 dB(A) in silent mode25 ft of line pre-charged
Book my free estimateCompare the series
Current wall units
UB3232
CB2525
CB2222.5
Up to 32 SEER2

The highest SEER2 in each series, per the Zephyr sheet (9,000 BTU/h models).

Zephyr BRO_2606 brochures and ENERGY STAR (Oct. 8, 2026), Hydro-Québec LogisVert tool (Oct. 6, 2026).

33Zephyr wall-unit product pages in our catalogue
118Zephyr wall-unit projects published as of Oct. 8, 2026
-30 °CCB25 and UB32, per Zephyr
28 dB(A)in silent mode: CB22 and CB25 9,000 and 12,000 on 208/230 V
AirGreen × ZEPHYRSold and installed by AirGreenCB25 and UB32: down to -30 °CUB32: up to 32 SEER2CB22 and CB25 also on 115 VZEPHYR warranty: 10 years on partsMontreal · Laval · Longueuil · South Shore · North Shore
01 · ZEPHYR wall-unit series

Three current series, one R-410A generation.

The CB22, CB25 and UB32 cover every size, from 9,000 to 24,000 BTU/h. What sets them apart: the refrigerant, how much cold they take and the LogisVert amount. The R-410A Zephyr 18 and 23 remain on quote.

R-454BENERGY STAR cold climate

UB32

The most efficient: up to 32 SEER2, and 13,000 BTU/h at -8.3 °C in all three sizes, per Zephyr.

Heats down to
-30 °C
Sizes (BTU/h)
9,000, 12,000, 15,000
SEER2 (Zephyr sheet)
25.6 to 32
LogisVert
$1,560 (12,000 and 15,000)
See the UB32Compare
R-454BENERGY STAR cold climate

CB25

The all-rounder: up to 24,000 BTU/h, and on 115 V at 9,000 and 12,000.

Heats down to
-30 °C
Sizes (BTU/h)
9,000 to 24,000
SEER2 (Zephyr sheet)
21 to 25
LogisVert
$1,116 to $2,640
See the CB25Compare
R-32ENERGY STAR standard (9,000 and 18,000)

CB22

On R-32, heats down to -25 °C per Zephyr. Our advice: best for cooling and shoulder-season heating.

Heats down to
-25 °C
Sizes (BTU/h)
9,000 to 24,000
SEER2 (Zephyr sheet)
19.5 to 22.5
LogisVert
$740 (18,000)
See the CB22Compare
R-410APrevious generation, on quoteNot on the current ENERGY STAR list, so no LogisVert. In Canada, R-410A is still allowed in residential heat pumps.

Zephyr 23

12,000 and 18,000 BTU/h · up to 23.3 SEER (old metric) per the 2023 brochure.

See the Zephyr 23

Zephyr 18

9,000 to 24,000 BTU/h · heats down to -20 °C per the 2023 brochure.

See the Zephyr 18
“Série 25” or “Série 23” in the shop?These are our old names for the CB25 and the CB22: same units. “Série 23” is not the Zephyr 23, an R-410A wall unit.
Série 25 = CB25 · R-454BSérie 23 = CB22 · R-32
Did you know?
13,000 BTU/hat -8.3 °C

At -8.3 °C, the UB32 9,000 and 12,000 deliver 13,000 BTU/h, more than their 12,200 BTU/h at +8.3 °C. Both figures are on the Zephyr brochure and in the ENERGY STAR record.Source: UB32 brochure BRO_2606; ENERGY STAR, AHRI 217596868 and 217596869.

02 · Compare by size

Same size, three series: what really changes.

Pick a size. We line up heat in deep cold, efficiency, sound and the LogisVert amount, from the Zephyr BRO_2606 brochure, ENERGY STAR and Hydro-Québec. In green: the best value in the row.

Nominal cooling BTU/h
12,000 BTU/hUB32R-454BCB25R-454BCB22R-32
Heats down to-30 °C-30 °C-25 °C
Heat at 8.3 °C12,200 BTU/h12,000 BTU/h12,000 BTU/h
Heat at -8.3 °C13,000 BTU/h10,800 BTU/h9,000 BTU/h
Heat at -15 °C12,200 BTU/h10,600 BTU/h7,500 BTU/h
Heat at -20 °C11,300 BTU/h7,000 BTU/h6,000 BTU/h
Heat at -25 °C9,000 BTU/h6,100 BTU/hNot published
SEER2 (sheet)302320
HSPF2 (sheet)11.89.59
COP at -15 °C (sheet)2.2522
ENERGY STARCold climateCold climateNot listed
Silent mode (indoor)29 dB(A)28 dB(A)28 dB(A)
Outdoor unit54 dB(A)53 dB(A)53 dB(A)
115 V versionNoYes (ZE-12DB25)Yes (ZE-12DB22)
LogisVert$1,560$1,296Not eligible (not ENERGY STAR)
AHRI number (I unit)217596869215414830—
Model (Zephyr sheet)ZE-12UB32ZE-12CB25ZE-12CB22
Product pageSee the productSee the productSee the product

Swipe the table to see every series.

The CB22 12,000 is not listed by ENERGY STAR, so it is not eligible for LogisVert. The CB25 12,000 also comes in 115 V ($1,116 LogisVert).

Two certified pairs for six wall units. Since 2026, the 208/230 V CB25 (9,000 to 24,000) and the CB22 9,000 and 18,000 also come with an “AI” indoor unit, certified under a second AHRI number. The current brochure’s values match the AI pair’s at ENERGY STAR: for example 22.5 SEER2 for the CB22 9,000, against 23 for the I pair. We put the exact AHRI number on your quote.
Did you know?
100%of rated heat at -15 °C

The CB25 9,000 and 18,000 keep 100% of their rated heat at -15 °C: 9,000 and 18,000 BTU/h, per the Zephyr brochure and ENERGY STAR.Source: CB25 brochure BRO_2606, “Max at -15 °C” row; ENERGY STAR, AHRI 215414829 and 215414831.

03 · The cold

Slide the thermometer: which still heats, and how much?

Every current Zephyr wall unit, size by size, at the temperature you choose. Heat comes from the Zephyr brochures; the red mark shows the nominal size. At -30 °C, Zephyr says the CB25 and UB32 still heat, without publishing a capacity.

-15 °C

R-454BUB32

9,00012,200 BTU/h136% of nominal
12,00012,200 BTU/h102% of nominal
15,00012,200 BTU/h81% of nominal

R-454BCB25

9,0009,000 BTU/h100% of nominal
12,00010,600 BTU/h88% of nominal
18,00018,000 BTU/h100% of nominal
24,00019,200 BTU/h80% of nominal

R-32CB22

9,0005,400 BTU/h60% of nominal
12,0007,500 BTU/h63% of nominal
18,00013,400 BTU/h74% of nominal
24,00018,200 BTU/h76% of nominal
Heat published by ZephyrStill heating, capacity not publishedNominal sizeScale: 0 to 24,000 BTU/h
Most heat at -15 °CCB25 24,000 · 19,200 BTU/h
Most heat for its sizeUB32 9,000 · 136% of nominal
Did you know?
9,000 BTU/hat -25 °C (UB32)

At -25 °C, the UB32 9,000 still gives 9,000 BTU/h, its full nominal cooling capacity. Same figure for the UB32 12,000 and 15,000.Source: UB32 brochure BRO_2606, “max at -25 °C” row.

04 · Efficiency

1 kWh of electricity, how much heat?

COP says how many kWh of heat a heat pump delivers for 1 kWh of electricity, at a given temperature. SEER2 measures cooling efficiency over a whole season, in BTU removed per watt-hour of electricity. Compare the 12,000 BTU/h units, then play with the season.

Each bar starts from 1 kWh of electricity. Each segment = 1 kWh of heat delivered (the COP).
UB32 12,000R-454B×2.25
CB25 12,000R-454B×2
CB22 12,000R-32×2
Electric baseboardresistance×1

COP per the Zephyr BRO_2606 brochures. Resistance heat turns all the electricity into heat (100%, US DOE), so a COP of 1.

Heat removed from the home over the summer (example)
3,000,000 BTU
UB32 12,000 30 SEER2100 kWh$11.14
CB25 12,000 23 SEER2130 kWh$14.48
CB22 12,000 20 SEER2150 kWh$16.71

Illustrative math: SEER2 is, by definition (DOE, Appendix M1), the heat removed over the season divided by the electricity used, in BTU per watt-hour. Cost at Hydro-Québec’s Rate D second-tier price (11.142¢/kWh since April 1, 2026), which applies if use exceeds the first tier (40 kWh per day, times the number of days in the period); below it, a kWh costs 7.065¢. Before taxes and access fees. Your home will have its own numbers.

Did you know?
18/18“Most Efficient” pairs

All 18 Zephyr wall pairs listed by ENERGY STAR meet the “Most Efficient” criteria. ENERGY STAR lists them for the Canadian market only.Source: ENERGY STAR w7cv-9xjt, “meets_most_efficient_criteria” and “markets” fields, Oct. 8, 2026.

05 · Hydro-Québec LogisVert

From $740 to $2,640 per Zephyr wall unit. Checked in Hydro-Québec’s tool (Oct. 6, 2026).

We ran the AHRI numbers on our wall-unit pages through Hydro-Québec’s official tool. Seven wall units are listed. Tap one to see the math, then enter your installation date: we work out your application deadline.

ENERGY STAR cold climate: $120 / 1,000 BTU/hENERGY STAR standard: $50 / 1,000 BTU/h
Not eligible
  • All 9,000 BTU/h units: below the 12,000 BTU/h minimum.
  • CB22 12,000 and 24,000, and CB22 12,000 on 115 V: not listed by ENERGY STAR, so not eligible.
  • Zephyr 18 and Zephyr 23, on R-410A: not on the current ENERGY STAR list, so not eligible.
CB25 · 24,000
$2,640

ZE-24CB25O + ZE-24CB25I

Heat at -8 °C (Hydro-Québec)22,000 BTU/h
CertificationENERGY STAR cold climate
Math22 × $120 = $2,640
AHRI number215414832
See the product
Apply no later than
July 8, 2027

Source: Hydro-Québec, residential LogisVert participation guide v1.10 (Sept. 15, 2026) and eligible heat pump search tool (Oct. 6, 2026). ENERGY STAR required since Nov. 26, 2025; outdoor unit of at least 12,000 BTU/h; capped at 100% of the cost before taxes; apply no later than 9 months after installation; paid by mail 10 to 12 weeks after a complete application. Indicative amounts: Hydro-Québec sets them when you apply. Our LogisVert guide

“AI” indoor unit: ENERGY STAR gives it the same heat at -8.3 °C as the “I” unit, so the same math would apply, if Hydro-Québec lists that AHRI number. We checked the I pair numbers; Hydro-Québec confirms the exact number’s eligibility when you apply.
Did you know?
$220per 1,000 BTU/h in multi-unit buildings

Since June 15, 2026, the Multilogements (multi-unit) bonus raises the aid to $220 per 1,000 BTU/h at -8 °C for a ductless ENERGY STAR cold-climate unit installed in an eligible building. It cannot be combined with “Mesures multiples”.Source: Hydro-Québec, LogisVert guide v1.10, Appendix II.

06 · 115 V or 208/230 V

A 115 V circuit? Four Zephyr wall units can run on it.

The CB22 and CB25 come in 115 V at 9,000 and 12,000 BTU/h: these are the DB22 and DB25. The UB32 and every 18,000 and 24,000 are 208/230 V. We check the circuit and the panel during the visit.

Your circuit
4current Zephyr wall units

The 115 V versions carry the DB code (for example ZE-12DB25). On the Zephyr sheet they call for 20 A protection (MOP). We check the circuit during the visit.

Did you know?
$1,116the only eligible 115 V unit

Only one 115 V wall unit is eligible for LogisVert: the CB25 12,000 (DB25), AHRI 215414834, for $1,116 (9,300 BTU/h at -8 °C × $120 per 1,000).Source: Hydro-Québec, LogisVert tool, Oct. 6, 2026; ENERGY STAR AHRI 215414834.

07 · Explore a wall unit

Sound, line set and real size, unit by unit.

Pick a wall unit and a fan speed. The needle shows the sound pressure published by Zephyr, the ruler shows the allowed line length, and the drawing puts both units to scale.

CB25 · 12,000 · R-454B
Quiet
28dB(A) indoors
Indoor unit28 dB(A)
Outdoor unit53 dB(A)
Airflow253–394 cfm

Sound pressure per the Zephyr BRO_2606 sheet (speeds: ultra-high, high, medium, low, silent).

Installation
0 ft25 ft50 ft65 ft100 ft
Factory pre-charged: 25 ftAllowed, extra chargeBeyond the maximum
Max. line length98 ft
Max. height difference50 ft
Liquid / gas lines1/4 / 3/8 in
To scale
Indoor (W × H × D)33 7/16 × 11 9/16 × 8 1/16 in
Outdoor (W × H × D)31 7/8 × 23 × 11 in
Electrical (MOP / MCA)15 / 10.5 A
Did you know?
28 dB(A)the lowest, silent mode

In silent mode, the 208/230 V CB22 and CB25 9,000 and 12,000 go down to 28 dB(A) indoors (the 115 V CB25 12,000: 32); the UB32, to 29 dB(A).Source: BRO_2606 brochures, “indoor sound pressure” row.

Did you know?
98.4 ftof line set (UB32)

The UB32 accepts up to 98.4 ft of line and 65 ft of height difference, the largest height difference of any Zephyr wall unit (CB22 and CB25: 50 ft). All have 25 ft pre-charged at the factory.Source: BRO_2606 brochures, piping rows.

08 · Refrigerants

R-454B, R-32, R-410A: what it changes.

Refrigerant is the fluid that carries the heat. The two R-454B series and the R-32 CB22 have a much lower GWP than the previous generation’s R-410A. In Canada, no GWP limit applies to residential heat pumps: R-410A remains allowed (SOR/2016-137, Schedule 1.1).

Global warming potential (GWP)
R-410AA12,090
R-32A2L675
R-454BA2L470

GWP and ASHRAE safety class, per the EPA (SNAP, March 19, 2026). A1: non-flammable; A2L: mildly flammable, burning velocity of at most 10 cm/s (ASHRAE 34).

What R-454B is made of
68.9% R-3231.1% R-1234yf

Composition per ASHRAE designations. The CB25 and UB32 use R-454B; the CB22, R-32; the Zephyr 18 and 23, R-410A.

In the United States, new residential air conditioners and heat pumps installed since January 1, 2025 must use a refrigerant with a GWP under 700, unless their components were made or imported before 2025. On May 21, 2026, the EPA removed the January 1, 2026 installation deadline for those pre-2025 components.
Did you know?
77.5%lower GWP (R-454B)

R-454B’s GWP (470) is 77.5% lower than R-410A’s (2,090). R-32’s (675) is 67.7% lower.Source: EPA SNAP, March 19, 2026; AirGreen math (1 - 470/2,090).

09 · Reading a model number

ZE-12CB25O: here is how we read it.

Tap the parts of the code, then build a unit: we show the unit numbers, the AHRI number(s), the ENERGY STAR certification and the LogisVert amount.

Tap each part of ZE-12CB25O: here is how we read it
ZE, the Zephyr prefix

Every Zephyr outdoor unit and wall indoor unit on our pages starts with ZE-; central air handlers start with AH-.

Build a model
Series
Size
Voltage
Model (Zephyr sheet)ZE-12CB25 · R-454B
Outdoor unitZE-12CB25O
Indoor unitZE-12CB25I or ZE-12CB25AI
AHRI number(s)215414830 / 218046580
ENERGY STARYes, cold climate
LogisVert$1,296
Did you know?
6wall units with two certified pairs

Since 2026, six wall units have two AHRI numbers: the four 208/230 V CB25 (“AI” indoor unit on the market since January 2026) and the CB22 9,000 and 18,000 (since March 2026). The others have one pair listed by ENERGY STAR, or none.Source: ENERGY STAR w7cv-9xjt, market dates.

10 · Features

What Zephyr puts in every wall unit.

The 22 features printed on the BRO_2606 brochures of all three series. Filter by use. Technical detail: the CB22 uses a capillary tube, the CB25 and UB32 an electronic expansion valve (EEV); all have a GMCC rotary compressor.

Night mode
Silent mode
iFeel
Quick start
Fire-resistant electrical box
Base heating
Self-adapting voltage technology
Compressor heating
Two-sided drain
24-hour timer
Auto swing
4D mode
LED dimmer
5 indoor fan speeds
LED wireless remote
8 °C (46 °F) automatic heating
Reversible drain hose
Turbo function
Automatic defrost
Self-cleaning
Louvre position memory
Heated outdoor base pan
Wi-Fi? The BRO_2606 brochures do not mention it, and ENERGY STAR lists Zephyr wall units as “not connected”. So we do not promise app control.
Did you know?
-15 °Cto 48 °C: still cooling

All three series cool at outdoor temperatures from -15 °C to 48 °C, per their operating range.Source: BRO_2606 brochures, “Operating range — Cooling”.

11 · Timeline

The dates that matter for a Zephyr wall unit.

Swipe left to right. In red: Zephyr wall units; in green: rules and programs.

  1. TTI Climatisation Chauffage

    Owner of the Zephyr brand, in Longueuil, TTI sells only to licensed contractors.

    Zephyr
  2. SEER2 and HSPF2 in Canada

    Minimums for a split heat pump: 14.3 SEER2 and 6.0 HSPF2 (Region V).

    Rule
  3. CB22 and CB25

    Market date of the “I” pairs, per ENERGY STAR.

    Zephyr
  4. -15 °C test

    In Canada, heat pumps made since that date are also tested in heating at -15 °C.

    Rule
  5. UB32

    UB32 market date, up to 32 SEER2.

    Zephyr
  6. LogisVert requires ENERGY STAR

    Only ENERGY STAR certified heat pumps remain eligible.

    Rule
  7. CB25 “AI”

    New indoor unit on the market, per ENERGY STAR.

    Zephyr
  8. CB22 “AI”

    New indoor unit on the market, per ENERGY STAR.

    Zephyr
  9. Rate D: +3% on average

    7.065¢ for the first 40 kWh a day, 11.142¢ after that.

    Rule
  10. 6-year legal warranty

    For heat pumps and air conditioners bought new from that date (OPC).

    Rule
Did you know?
100%B2B: sold to pros only

TTI describes itself as 100% B2B: it sells only to certified Quebec contractors holding the required licences, such as an RBQ licence.Source: TTI, home page and FAQ, Oct. 8, 2026.

AirGreen × ZEPHYR

A ZEPHYR wall unit, installed by a local team.

ZEPHYR puts its name, its spec sheet and its 10-year parts warranty on the unit. AirGreen picks it with you, installs it and registers the warranty.

ZEPHYR

What ZEPHYR brings

  • Down to -30 °CThe CB25 and UB32, per Zephyr.
  • Up to 32 SEER2The UB32 9,000, ENERGY STAR certified.
  • 115 V or 208/230 VThe CB22 and CB25 at 9,000 and 12,000 on a 115 V circuit.
  • 10 years on partsZEPHYR’s base warranty. Labour is separate.
AirGreen

What AirGreen brings

  • Sold and installed by AirGreenMontreal, Laval, Longueuil, the South Shore and the North Shore.
  • Free home estimateWe look at the rooms, where the units go and the line set route.
  • Warranty registered for youWith TTI, free of charge: serial numbers, date, photos.
  • RBQ 5645-9605-01Subclasses 15.8 (ventilation), 15.10 (refrigeration) and 16 (electrical).

The result: the right ZEPHYR wall unit, chosen for the room, installed by AirGreen, warranty registered.

Compare the wall unitsBook my free estimate
12 · Warranty and installation

10 years on parts, a 6-year legal warranty.

Zephyr’s base warranty covers parts for 10 years. For a heat pump bought new on or after October 5, 2026, the law adds a 6-year warranty of good working order, counted from delivery.

Zephyr base warranty
10 years

on parts, per the BRO_2606 brochures and TTI pages. “A labour warranty is available”: ask your contractor.

Parts (Zephyr)
10 years
Legal warranty
6 years

For a heat pump or air conditioner bought new from a merchant on or after October 5, 2026, Quebec law adds a free, automatic 6-year warranty of good working order, counted from delivery (Office de la protection du consommateur). Under TTI’s parts policy (v3.4, July 17, 2026), labour to replace a part during that period falls on the installing contractor.

Certified technician

Service or repair by anyone not certified and authorized by TTI (or Kinghome) ends the manufacturer’s conventional warranty (TTI, s. 4.4).

Through your installer

If something breaks, you call the contractor who installed it; they file the claim with TTI.

Filters, every month

TTI’s policy asks owners to clean the indoor unit filters at least once a month (s. 6.3).

1Free visit

We look at the rooms, where the units go and the line set route.

2Clear quote

The exact model, the AHRI number, the indicative LogisVert amount when it applies.

3Installation and start-up

Vacuum, refrigerant charge, heating and cooling tests.

4Warranty registered

We register the units with TTI for you: nameplate, serial numbers, invoice.

Did you know?
6 yearslegal warranty

For heat pumps and air conditioners bought new from a merchant since October 5, 2026, Quebec law provides a free, automatic 6-year warranty of good working order, counted from delivery.Source: Office de la protection du consommateur; Order in Council 1459-2025; TTI, parts policy v3.4, s. 4.3.

13 · Our projects

118 Zephyr wall-unit projects published as of October 8, 2026.

Each post on our blog shows one installation: the unit, the place, how it was done. The latest:

Installation d’une Zephyr thermopompe murale au Plateau-Mont-Royal
Sept. 30, 2026 · in FrenchInstallation d’une Zephyr thermopompe murale au Plateau-Mont-Royal
Installation d’une Zephyr thermopompe murale à Griffintown (Le Sud-Ouest)
Sept. 20, 2026 · in FrenchInstallation d’une Zephyr thermopompe murale à Griffintown (Le Sud-Ouest)
Installation d’une Zephyr thermopompe murale à Mercier–Hochelaga-Maisonneuve
Sept. 19, 2026 · in FrenchInstallation d’une Zephyr thermopompe murale à Mercier–Hochelaga-Maisonneuve
Installation d’une Zephyr thermopompe murale à Le Sud-Ouest
Sept. 14, 2026 · in FrenchInstallation d’une Zephyr thermopompe murale à Le Sud-Ouest
Installation d’une Zephyr — thermopompe murale à Chomedey (Laval)
Sept. 9, 2026 · in FrenchInstallation d’une Zephyr — thermopompe murale à Chomedey (Laval)
Installation d’une Zephyr murale à Le Sud-Ouest, Montréal
Sept. 3, 2026 · in FrenchInstallation d’une Zephyr murale à Le Sud-Ouest, Montréal
14 · Frequently asked questions

What people ask us about Zephyr wall units.

To heat all winter, we recommend the CB25 or UB32, on R-454B, which run in heating mode down to -30 °C per Zephyr and are ENERGY STAR cold-climate certified. The UB32 is the most efficient, from 9,000 to 15,000 BTU/h; the CB25 goes up to 24,000 and comes in 115 V. The CB22, on R-32, heats down to -25 °C per Zephyr; we mostly advise it for cooling and shoulder-season heating.

AirGreen × ZEPHYRSold and installed by AirGreenCB25 and UB32: down to -30 °CUB32: up to 32 SEER2CB22 and CB25 also on 115 VZEPHYR warranty: 10 years on partsMontreal · Laval · Longueuil · South Shore · North Shore
AirGreen · Heating and cooling

Your Zephyr wall unit, chosen for the room and installed by AirGreen.

We come and see the room, choose the series, size and voltage with you, and hand you a clear quote with the AHRI number and the indicative LogisVert amount.

Book my free estimate514-316-2973

Hydro-Québec does not solicit anyone by phone or door to door for LogisVert. A call “from Hydro-Québec” selling a heat pump? Hang up.

RBQ 5645-9605-01Subclasses 15.8, 15.10 and 16
Free estimateAt home, no commitment
Checked figuresTTI sheets, ENERGY STAR, Hydro-Québec
Showroom1370 Joliot-Curie St., Unit 712, Boucherville

Sources checked October 6 to 9, 2026

  1. TTI Climatisation Chauffage, Zephyr CB22, CB25 and UB32 brochures (code BRO_2606), tticlimatisation.com/manuels, checked Oct. 8, 2026: capacities from -8.3 to -25 °C, COP, SEER2, HSPF2, sound, dimensions, line sets, electrical, features, warranty.
  2. TTI, Zephyr product pages (tticlimatisation.com/produits), checked Oct. 8, 2026.
  3. ENERGY STAR, Certified Air-Source Heat Pumps (dataset w7cv-9xjt, updated Oct. 8, 2026), checked Oct. 8, 2026: SEER2, EER2, HSPF2, capacities at 47, 17 and 5 °F, COP at 5 °F, cold-climate status, market date, by AHRI number.
  4. Hydro-Québec, residential LogisVert participation guide, version 1.10, Sept. 15, 2026 (2026G448F), and eligible heat pump search tool, checked Oct. 6, 2026.
  5. Hydro-Québec, electricity rate grid as of April 1, 2026 (2026G028-2F), and Rate D, Flex D and DT pages, checked Oct. 8, 2026.
  6. TTI, parts availability policy, version 3.4, July 17, 2026 (s. 1: brand owned by TTI, products imported into Canada by TTI; ss. 4.3, 4.4 and 6.3: labour during the legal warranty, certified and authorized technician, filter cleaning).
  7. US EPA, SNAP, “Substitutes in Residential and Light Commercial Air Conditioning and Heat Pumps”, updated March 19, 2026 (GWP and ASHRAE classes); ASHRAE refrigerant designations (R-454B = R-32/R-1234yf 68.9/31.1) and Addendum g to Standard 34-2016 (class 2L).
  8. US eCFR, 40 CFR 84.54 (current to Oct. 5, 2026) and EPA fact sheet of May 21, 2026 on the Technology Transitions rule.
  9. Ozone-depleting Substances and Halocarbon Alternatives Regulations (SOR/2016-137), Schedule 1.1, current to Apr. 28, 2026.
  10. Energy Efficiency Regulations, 2016, Amendment 17, SOR/2022-265, Canada Gazette, Part II, Dec. 21, 2022 (SEER2, HSPF2 Region V, -15 °C test from 2025).
  11. US DOE, 10 CFR 430, Subpart B, Appendices M and M1 (SEER, HSPF, COP definitions); DOE Energy Saver, “Electric Resistance Heating”.
  12. TTI, “ZEPHYR 18” and “Zephyr 23” brochures (R-410A, printed 2023), copies hosted on airgreen.ca, checked Oct. 8, 2026.
  13. TTI Climatisation Chauffage, home page and FAQ (tticlimatisation.com), checked Oct. 8, 2026.
  14. AirGreen: airgreen.ca product pages and “Nos réalisations” blog, as of Oct. 8, 2026.
  15. Office de la protection du consommateur, warranty of good working order (opc.gouv.qc.ca) and legal warranty notice, checked Oct. 9, 2026; Order in Council 1459-2025, Gazette officielle du Québec (s. 79.21 of the regulation under the Consumer Protection Act, in force Oct. 5, 2026): air conditioner and heat pump, 6 years.
  16. Hydro-Québec, residential LogisVert program page and fraud prevention page (hydroquebec.com), checked Oct. 9, 2026: no telephone or door-to-door solicitation for LogisVert.

LogisVert amounts are indicative: Hydro-Québec sets them when you apply. Energy math is illustrative.

Prices on quote. Free home estimate.
The ZEPHYR wall-unit shop

Every Zephyr wall unit, right below.

CB22, CB25, UB32 and the R-410A generation: filter by capacity, voltage or refrigerant, then compare the product pages. “Série 25” = CB25, “Série 23” = CB22.

ZEPHYR