4-Zone Heat Pump DURASTAR Standard | 28,000 BTU - R454B

In stock
SKU: DRA4U28M2A
28,000BTU/h · 4 heads
−25 °Cheats down to
$2,832LogisVert, indicative
ENERGY STAR® cold climateENERGY STAR Most EfficientOptional Wi-FiR-454BUp to 4 heads
Talk to a technician · 514 316-2973
Outdoor unit DRA4U28M2APossible indoor models DRAC0912F2A, DRAC18F2A, DRAC24F2A, DRADH0912F2A, DRADH18F2A, DRADH24F2A, DRADL0612F2A, DRADL18F2A, DRAF18F2A, DRAF24F2A, DRAL0612F2A, DRAL18F2A, DRAM18F2A, DRAM24F2A, DRAS09F2A, DRAS12F2A, DRAS16F2AAHRI 215359233· ENERGY STAR 3621128
In short

The Durastar Standard R454B 28 000 multi-zone heat pump heats and cools 4 rooms with a single outdoor unit. ENERGY STAR cold-climate certified, it delivers 23,600 BTU/h at −8 °C, heats down to −25 °C and qualifies for a $2,832 LogisVert grant. Installed by AirGreen in Montréal, Laval, Longueuil, the North Shore and the South Shore.

01 · The verdict in 10 seconds

4 rooms, one outdoor unit.

Compared with the 12 multi-zone systems of 28,000 BTU we sell. Every number on this page carries its source.

ENERGY STAR Most EfficientNEEP 389534AHRI 215359233LogisVert · October 1, 2026
+EER2 12.2Rank 1 (tied) of 12. Class median: 12.0.
+COP 2.00 at −15 °CRank 1 (tied) of 12. Class median: 1.90.
+Indoor head from 24 dB(A)Rank 1 (tied) of 12. Class median: 30 dB(A).
!Good to know: $2,832 LogisVert grantRank 6 of 10; class median: $2,952.
23,600BTU/h certified at −8 °C
−25 °Cstill heating
4heads
2.14COP at −8 °C
$2,832LogisVert, indicative
02 · The machine

The parts that make a multi-zone system.

Tap a part to learn more.

DRA4U28M2A

Outdoor unit

One compressor for the whole house. It supplies up to 4 heads and modulates from 8,400 to 23,600 BTU/h depending on what the rooms call for (NEEP).

03 · How it works

Turn rooms on and off. Watch the power being shared.

One outdoor unit supplies every head: when several rooms call at once, they share its capacity. Pick an outdoor temperature.

04 · My plan

Tell us your rooms. We tell you if this size is enough.

Pick the number of rooms and their size. The estimate targets a −15 °C day; it is a guide, the real calculation is done room by room at your home.

05 · The series

The whole series at a glance: find the box that fits you.

Each box is a product: the outdoor unit’s size, and the number of heads.

Outdoor2 zones3 zones4 zones5 zones6 zones
18,000BTU
23
28,000BTU
23Here
36,000BTU
2345
48,000BTU
23456
60,000BTU
23456

Durastar Standard R454B 28 000 · 4 zones

23,600 BTU/h
at −8 °C
$2,832
LogisVert

Up to 4 heads on this outdoor unit. Tap another box to see that size.

06 · Deep cold

At −15 °C, it still delivers 67 % of its rated capacity.

Tap a temperature: certified capacity, efficiency and the cost of one hour of heating.

It slows down, it speeds up: the certified modulation range

Light bar: from minimum to maximum capacity. Dark mark: the rated value.

+8.3 °C
8,400 → 29,200 BTU/h
-8 °C
6,000 → 23,600 BTU/h
-15 °C
5,400 → 19,000 BTU/h
Source: NEEP, minimum, rated and maximum ratings at 47, 17 and 5 °F.
07 · The bill

At every temperature, cheaper than baseboards.

Cost of one hour at full output, for the same heat delivered. Hydro-Québec Rate D, second tier: 11.142 ¢/kWh.

08 · Efficiency

The official ratings, on the same scales as before.

SEER2, HSPF2 and EER2 come from the AHRI certification. The mark shows the median of the same-size multi-zone systems we sell.

SEER2 · seasonal cooling23.0
Scale 1 – 30Median: 22.6
Rank 3 (tied) of 12 in its class.
HSPF2 · seasonal heating9.5
Scale 1 – 15Median: 9.5
Rank 6 (tied) of 12 in its class.
EER2 · cooling in peak heat12.2
Scale 1 – 20Median: 12
Rank 1 (tied) of 12 in its class.
COP at −15 °C2.0
Scale 0 – 4Median: 1.9
Rank 1 (tied) of 12 in its class.
ENERGY STAR Most EfficientCold climate · ID 3621128 · ENERGY STAR database
09 · LogisVert grant

A grant you can calculate, not guess.

23,600 BTU/h÷ 1,000 ×$120=$2,832

The capacity at −8 °C comes from Hydro-Québec’s list of October 1, 2026. $120 per 1,000 BTU/h is the rate for ENERGY STAR cold-climate heat pumps (guide v1.10).

Set for this system (AHRI 215359233). Another head combination (ducted, console) can change the AHRI number, and so the amount.
Cap: the grant never exceeds 100 % of the purchase and installation cost before taxes.
9 months after installation to apply; +5 % when two measures are in the same request.
All about LogisVert, with the simulator
10 · Report card

Where it ranks among same-size multi-zone systems.

Compared with the 12 multi-zone systems of 28,000 BTU we sell, using the LogisVert list figures. Weaknesses too, said plainly.

11 · Multi-zone or wall units

One multi-zone or several wall units? Both sides, honestly.

This multi-zone4 wall units
On the wall1 outdoor unit4 outdoor units
Electrical1 dedicated circuitOne circuit per unit
CapacityShared between roomsReserved for each room
If the outdoor unit stopsEvery zone stopsOnly one room
ModesSame mode everywhereEach room chooses
LogisVert$2,832 for the systemDepends on each model

We compare both options on your floor plan during the estimate.

12 · Installation

What to know before installing a multi-zone system.

Dimensions, wiring and lines, drawn. Then our six steps.

The outdoor unit, dimensioned

21.81 in
DRA4U28M2ADepth 12.99 in
31.69 in
Dimensions: product sheet (W × D × H).

One circuit for the whole house

Electrical panel
Load calculation before the quote
15 A max. breaker
MCA 15 A · 220 V
Outdoor unit
Head 1
Head 2
Head 3
Head 4
Our RBQ licence covers electrical work (subclass 16).
01Room-by-room visit and surveyWe measure each zone and note insulation and windows. The on-site estimate is free.
02Heads and line layoutOne pair of lines per head.
03Outdoor unit baseAbove the snow line, away from the neighbours’ bedroom windows.
04Exposed, finished linesLines under line covers, no work inside the walls.
05Dedicated circuit220 V, MCA 15 A, 15 A protection. The panel load calculation is done before the quote.
06Commissioning, zone by zoneEach head is tested and the controls set up. Then the LogisVert application within 9 months.
13 · Sound

Published sound levels, on one scale.

We use the outdoor figure to choose where the unit goes.

24
43
55
30
58
20 dB(A)3040506070
24 Reference head, lowest speed43 Reference head, highest speed30 Class indoor median55 Outdoor unit58 Class outdoor median
Values in dB(A). Indoor values are those of the sheet’s reference head; each head has its own, confirmed for the chosen model. Municipal noise by-laws vary by borough.
14 · What sets it apart

What is particular about this machine.

Only facts published by ENERGY STAR, NEEP or the manufacturer.

Most EfficientENERGY STARAmong the year’s most efficient according to ENERGY STAR, on top of its cold-climate certification.
8,400BTU/h at low speedMinimum certified capacity (NEEP): it slows down instead of stopping when a single room calls.
−25 °CColdest certified pointNEEP still lists 11,800 BTU/h at a COP of 1.50 at −13 °F.
150 WBase pan heaterHeater in the outdoor unit’s base pan, against ice (NEEP).
15 · Specifications

Every number, and where it comes from.

Each line carries its source; a line with no published value is not shown.

Performance
Cooling capacity (size)28,000 BTUSheet
Certified cooling at 35 °C26,000 BTU/hNEEP
SEER2 (seasonal cooling efficiency)23.0AHRI
EER2 (instant cooling efficiency)12.2AHRI
HSPF2 (seasonal heating efficiency, region IV)9.5AHRI
HSPF2, region V (coldest)7.1NEEP
Heating
Capacity at +8.3 °C27,000 BTU/h · COP 3.6NEEP
Capacity at −8 °C23,600 BTU/h · COP 2.14NEEP
Capacity at −15 °C19,000 BTU/h · COP 2.0NEEP
Capacity at -25 °C (max.)11,800 BTU/h · COP 1.5Sheet
Modulation range8,400 – 23,600 BTU/hNEEP
Heats down to−25 °CSheet
Zones and heads
Zones on this product4 Zones (Quad Zone)Sheet
Maximum zones4 Zones (Quad Zone)Sheet
Possible indoor modelsDRAC0912F2A, DRAC18F2A, DRAC24F2A, DRADH0912F2A, DRADH18F2A, DRADH24F2A, DRADL0612F2A, DRADL18F2A, DRAF18F2A, DRAF24F2A, DRAL0612F2A, DRAL18F2A, DRAM18F2A, DRAM24F2A, DRAS09F2A, DRAS12F2A, DRAS16F2ASheet
Indoor dimensions (W × D × H)22.44 x 22.44 x 9.65 inSheet
Vertical louversAutoSheet
Horizontal louversManuel / ManualSheet
Airflow (reference head)418 CFMSheet
Indoor sound (reference head)24 – 43 dB(A)Sheet
Installation
Outdoor unit (W × D × H)31.69 x 12.99 x 21.81 inSheet
Outdoor sound55 dB(A)Sheet
Base pan heater150 WNEEP
Electrical
Voltage220 VSheet
MCA (minimum circuit ampacity)15 ASheet
MOP (maximum overcurrent protection)15 ASheet
RefrigerantR-454BSheet
Wi-FiOptionalSheet
Certifications and warranty
AHRI215359233AHRI
ENERGY STARYes · cold climate · ID 3621128ENERGY STAR
ENERGY STAR Most EfficientYesENERGY STAR
LogisVert grant (indicative)$2,832LogisVert
Warranty (compressor · parts · labour)10 yrs · 10 yrs · 6 yrsSheet
AirGreen extended warrantyPossibleSheet
16 · Official brochures

The manufacturer’s documentation, as PDF.

17 · Description

Everything we have written about this system.

Quatre têtes de 9,65 po de profondeur dans un logement supérieur déjà meublé

Un logement supérieur de Candiac avec une grande aire ouverte offre de la surface au sol et peu de murs libres. Les pans disponibles servent déjà aux meubles, aux cadres et aux rideaux, et un locataire qui se plaint de la température ne veut pas d'un chantier qui réorganise tout l'appartement. La Thermopompe 4-Zones DURASTAR Standard | 28 000 BTU - R454B répond à cette contrainte de place : les têtes intérieures publiées font 9,65 po de profondeur, ce qui laisse passer une porte, un rideau ou une bibliothèque sous l'appareil.

L'encombrement intérieur avant la capacité

La fiche intérieure de référence, qui ne décrit qu'une des quatre têtes possibles, mesure 22,44 po x 22,44 po x 9,65 po, déplace 418 pi³/min et se tient entre 24 et 43 dB(A). Dans une aire ouverte, cette profondeur compte davantage que la largeur : elle détermine si la tête se pose au-dessus d'une porte ou au retour d'un mur, plutôt qu'au centre du seul grand pan à garder libre.

Les capacités mesurées à chaque température

  • Cotes saisonnières : 23,0 SEER2, 12,2 EER2 et 9,5 HSPF2
  • À -8 °C : 23 600 BTU/h, COP de 2,14
  • À -15 °C : 19 000 BTU/h, COP de 2,00
  • À -25 °C : 11 800 BTU/h, COP de 1,50

Ces chiffres sont ceux du certificat AHRI 215359233, tels que publiés par le NEEP. Le point de -15 °C mérite un commentaire : un COP de 2,00 signifie deux unités de chaleur pour une unité d'électricité, alors que les plinthes du logement en rendent une. Le système est homologué ENERGY STAR, désigné pour le climat froid, et chauffe jusqu'à -30 °C. Il est admissible à LogisVert pour 2 832 $ sous l'ID ENERGY STAR 3621128, pour un propriétaire d'une habitation existante, selon la liste en vigueur à la date d'installation ; une aide bonifiée s'applique à certains immeubles à logements multiples.

Dimensionner quatre zones quand la surface est ouverte plutôt que cloisonnée

Ce que 28 000 BTU/h couvrent réellement

Les 28 000 BTU/h nominaux sont un total partagé, pas quatre parts égales. Dans un logement supérieur ouvert, une seule grande tête dessert souvent le salon, la cuisine et la salle à manger réunis, et les trois autres zones vont aux chambres et au bureau. Dans un étage supérieur, la chaleur du logement du bas réduit la demande, et la règle maison de 18 000 BTU/h par 1 000 pieds carrés ne sert que de point de départ. Le châssis est prévu pour quatre zones au maximum, ce qui fixe la limite du projet dès le départ.

Quatre parcours de lignes dans un appartement occupé

Chaque tête reçoit sa propre paire de lignes frigorifiques jusqu'à l'unité extérieure, qui mesure 31,69 po x 12,99 po x 21,81 po pour 55 dB(A) et se pose au-dessus de la ligne de neige, à distance mesurée des fenêtres de chambre. Les dix-sept modèles compatibles vont des DRAS09F2A aux DRAC18F2A, DRADL18F2A et DRAM18F2A. Les parcours descendent en façade arrière, et nous les arrêtons avec le locataire avant de percer. Nos installations sont entièrement apparentes, sans travaux à l'intérieur des murs, avec l'option d'un recouvrement de finition.

Le circuit de 15 A et la coupure par zone

L'alimentation se fait en 220 V sur un circuit dédié, avec un MCA de 15 A et un disjoncteur de 15 A. Une entrée de 100 A partagée entre deux logements accepte généralement cette demande, mais nous refaisons le calcul de charge avant de le confirmer et annonçons toute mise à niveau avant la signature. Une fois en service, fermer la tête d'une chambre inoccupée ne coupe pas les trois autres : la demande disparaît simplement du total que le compresseur doit fournir.

AirGreen, pour les logements loués

Entreprise familiale de Montréal depuis plus de quinze ans, nous détenons les licences RBQ en ventilation, en réfrigération et en électricité et portons une assurance responsabilité de 5 000 000 $. L'évaluation à domicile est gratuite et la soumission est remise par écrit, à Montréal, à Laval, à Longueuil, sur la Rive-Nord et sur la Rive-Sud. Nos réalisations montrent des poses en logement occupé, et si un code d'erreur persiste ou qu'une odeur de brûlé apparaît, coupez l'appareil et appelez notre service de réparation.

Demandez votre estimation gratuite pour la Thermopompe 4-Zones DURASTAR Standard | 28 000 BTU - R454B. Nous relevons les murs disponibles, arrêtons les quatre emplacements avec l'occupant et confirmons le montant de LogisVert avant la signature.

Garantie : 10 ans sur le compresseur, 10 ans sur les pièces et 6 ans sur la main-d’œuvre, directement du distributeur.

18 · Questions

What people ask us about multi-zone systems.

Can I heat one room and cool another at the same time?

No. On a multi-zone system like this one, every head works in the same mode, heating or cooling. Each room still keeps its own set temperature.

What happens when every room calls for heat?

They share the outdoor unit’s capacity: 23,600 BTU/h at −8 °C, 19,000 at −15 °C.

How many heads can I connect?

Up to 4 on this outdoor unit. This product is configured for 4 heads.

How much is the LogisVert grant?

$2,832 according to Hydro-Québec’s list of October 1, 2026. The grant never exceeds 100 % of the cost before taxes; apply within 9 months of installation.

Is it ENERGY STAR certified?

Yes, cold climate, ID 3621128. It also meets the ENERGY STAR Most Efficient criteria, according to the ENERGY STAR database.

Down to what temperature does it heat?

Down to −25 °C.

Is it noisy?

Indoors, the reference head goes down to 24 dB(A). Outdoors, 55 dB(A): we place the unit away from bedroom windows.

Why a multi-zone instead of several wall units?

One outdoor unit on the wall and one circuit. In return, the rooms share the capacity, and if the outdoor unit stops, every zone stops.

What does the warranty cover?

Our sheet lists 10 years on the compressor and 10 years on parts. AirGreen extended warranty: possible.

AirGreen

A multi-zone system is planned room by room. At your home.

We measure every room, draw the line route and choose the right head for each zone. The on-site estimate is free and the quote arrives within 24 h.

RBQ 5645-9605-01Ventilation 15.8, refrigeration 15.10, electrical 16
We handle the circuitOur licence covers the electrical work
LogisVert : $2,832AHRI 215359233 checked against the list of October 1, 2026
Beware of scamsHydro-Québec does no phone or door-to-door solicitation for LogisVert
Sources checked on October 1, 2026.NEEP, Cold Climate Air Source Heat Pump List, product 389534 (AHRI 215359233): capacities and COP, modulation, SEER2, EER2, HSPF2.ENERGY STAR certified heat pump database, ID 3621128.Hydro-Québec, LogisVert eligible heat pump list (owner, existing home), file of October 1, 2026; participation guide, version 1.10.Costs: Hydro-Québec Rate D, 11.142 ¢/kWh (second tier, since 1 April 2026). Amounts shown are estimates; only the responsible bodies confirm the grant awarded.