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DURASTAR · Central ADD-ON systems · Sirius Heat R-454BDURASTAR Sirius Heat R-454B central ADD-ON systems at AirGreenSold and installed by AirGreen across Montreal, Laval, Longueuil, the South Shore and the North Shore.
Find my DURASTAR
Sold and installed by AirGreen
DURASTAR · Central ADD-ON · updated October 8, 2026
DURASTAR Sirius Heat R-454B central ADD-ON systems: 14 units, heats down to -30 °C
You keep your furnace: we add the outdoor heat pump and a coil on the existing furnace. “ADD-ON” is our name for this setup; the coil width follows your furnace’s width. Sirius Heat is DURASTAR’s deep-cold family: it heats down to -30 °C and keeps 100% of its rated heating capacity down to -18 °C, per the manufacturer. The R-454B “Low GWP” version, with leak detection per DURASTAR’s spec sheets.
This collection
- Families
- Sirius Heat
- Refrigerant
- R-454B
- Sizes
- 6 sizes · 18,000 to 60,000 BTU/h
14DURASTAR units in this collection
-30 °Cheats down to, per DURASTAR
45,000BTU/h at -15 °C, the most heat on these listings
$4,536highest LogisVert amount on these listings (13 listings with an amount)
At a glance
The listings that stand out in this collection.
Most heat at -15 °C45,000BTU/h at -15 °C, per the listing60,000 BTU/h · Sirius Heat · R-454BView productMost efficient in cooling16.1SEER2, per the listing18,000 BTU/h · Sirius Heat · R-454BView productLargest LogisVert amount$4,536indicative, by AHRI number60,000 BTU/h · Sirius Heat · R-454BView product
AirGreen × DURASTARSold and installed by AirGreenSirius Heat: down to -30 °CR-454B “Low GWP”14 units in this collectionMontreal · Laval · Longueuil · South Shore · North Shore
01 · The DURASTAR selector
Pick a size. Every card is a real DURASTAR listing on our site.
Heat at -8 °C and -15 °C from each listing, the cold limit DURASTAR publishes for the family, and the LogisVert amount when the listing has an AHRI number.
14 units shown
Sirius HeatR-454B
18,000 BTU/h
Coil 14.5 inDRU1H18S2AAHRI 217493430
- Heat at -8 °C
- 15,200 BTU/h
- Heat at -15 °C
- 18,000 BTU/h
- Heats down to
- -30 °C
- SEER2 · HSPF2
- 16.1 · 9.5
LogisVert$1,824 for this exact pairing
Sirius HeatR-454B
18,000 BTU/h
Coil 17.5 inDRU1H18S2AAHRI 217493432
- Heat at -8 °C
- 15,200 BTU/h
- Heat at -15 °C
- 18,000 BTU/h
- Heats down to
- -30 °C
- SEER2 · HSPF2
- 16.1 · 9.5
LogisVert$1,824 for this exact pairing
Sirius HeatR-454B
24,000 BTU/h
Coil 14.5 inDRU1H24S2AAHRI 217493431
- Heat at -8 °C
- 19,700 BTU/h
- Heat at -15 °C
- 21,000 BTU/h
- Heats down to
- -30 °C
- SEER2 · HSPF2
- 16.0 · 9.5
LogisVert$2,364 for this exact pairing
Sirius HeatR-454B
24,000 BTU/h
Coil 17.5 inDRU1H24S2AAHRI 217493433
- Heat at -8 °C
- 19,700 BTU/h
- Heat at -15 °C
- 21,000 BTU/h
- Heats down to
- -30 °C
- SEER2 · HSPF2
- 16.0 · 9.5
LogisVert$2,364 for this exact pairing
Sirius HeatR-454B
30,000 BTU/h
Coil 14.5 inDRU1H30S2AAHRI 217493434
- Heat at -8 °C
- 24,000 BTU/h
- Heat at -15 °C
- 30,400 BTU/h
- Heats down to
- -30 °C
- SEER2 · HSPF2
- 15.3 · 9.3
LogisVert$2,880 for this exact pairing
Sirius HeatR-454B
30,000 BTU/h
Coil 17.5 inDRU1H30S2AAHRI 217493436
- Heat at -8 °C
- 25,000 BTU/h
- Heat at -15 °C
- 32,000 BTU/h
- Heats down to
- -30 °C
- SEER2 · HSPF2
- 16.0 · 9.6
LogisVert$3,000 for this exact pairing
Sirius HeatR-454B
30,000 BTU/h
Coil 21 inDRU1H30S2AAHRI 217493438
- Heat at -8 °C
- 25,000 BTU/h
- Heat at -15 °C
- 32,000 BTU/h
- Heats down to
- -30 °C
- SEER2 · HSPF2
- 16.0 · 9.6
LogisVert$3,000 for this exact pairing
Sirius HeatR-454B
36,000 BTU/h
Coil 14.5 inDRU1H36S2AAHRI 218072033
- Heat at -8 °C
- 28,000 BTU/h
- Heat at -15 °C
- 32,000 BTU/h
- Heats down to
- -30 °C
- SEER2 · HSPF2
- 15.5 · 8.4
LogisVert$3,360 for this exact pairing
Sirius HeatR-454B
36,000 BTU/h
Coil 17.5 inDRU1H36S2AAHRI 217493437
- Heat at -8 °C
- 29,200 BTU/h
- Heat at -15 °C
- 36,000 BTU/h
- Heats down to
- -30 °C
- SEER2 · HSPF2
- 15.8 · 9.4
LogisVert$3,504 for this exact pairing
Sirius HeatR-454B
36,000 BTU/h
Coil 21 inDRU1H36S2AAHRI 217493439
- Heat at -8 °C
- 29,200 BTU/h
- Heat at -15 °C
- 36,000 BTU/h
- Heats down to
- -30 °C
- SEER2 · HSPF2
- 15.8 · 9.4
LogisVert$3,504 for this exact pairing
Sirius HeatR-454B
48,000 BTU/h
Coil 21.5 inDRU1H48S2AAHRI 217493440
- Heat at -8 °C
- 34,400 BTU/h
- Heat at -15 °C
- 42,000 BTU/h
- Heats down to
- -30 °C
- SEER2 · HSPF2
- 15.2 · 8.8
LogisVert$4,128 for this exact pairing
Sirius HeatR-454B
48,000 BTU/h
Coil 24.5 inDRU1H48S2AAHRI 217493441
- Heat at -8 °C
- 34,000 BTU/h
- Heat at -15 °C
- 40,000 BTU/h
- Heats down to
- -30 °C
- SEER2 · HSPF2
- 14.5 · 8.4
LogisVertOn quote
Sirius HeatR-454B
60,000 BTU/h
Coil 21.5 inDRU1H60S2AAHRI 217493442
- Heat at -8 °C
- 37,800 BTU/h
- Heat at -15 °C
- 45,000 BTU/h
- Heats down to
- -30 °C
- SEER2 · HSPF2
- 16.0 · 8.5
LogisVert$4,536 for this exact pairing
Sirius HeatR-454B
60,000 BTU/h
Coil 24.5 inDRU1H60S2AAHRI 217465410
- Heat at -8 °C
- 36,000 BTU/h
- Heat at -15 °C
- 43,000 BTU/h
- Heats down to
- -30 °C
- SEER2 · HSPF2
- 15.2 · 8.1
LogisVert$4,320 for this exact pairing
No unit matches this combination. Pick “All” on one of the filters.
Heat at -8 °C and -15 °C: values from each product listing; when the listing has an AHRI number, they are the ENERGY STAR (or NEEP) figures for that number. Cold limit: operating range published by DURASTAR for the family. “Standard” is our name for DURASTAR’s non-Sirius range.
AirGreen × DURASTAR
DURASTAR on the unit. A local team to install it.
DURASTAR puts its name and its spec sheet on the unit. AirGreen picks it with you, installs it and checks your LogisVert amount. Each does what it does best.
What DURASTAR brings
- Coils from 14.5 to 24.5 inThe width follows your furnace’s.
- Sirius Heat: down to -30 °CPer DURASTAR, with coil.
- R-454B “Low GWP”With leak detection, per DURASTAR’s spec sheets.
What AirGreen brings
- Sold and installed by AirGreenMontreal, Laval, Longueuil, the South Shore and the North Shore.
- Free on-site estimateWe look at your home and choose the family and the size.
- LogisVert checked by AHRI numberThe amount for the exact AHRI number, in Hydro-Québec’s tool.
- RBQ 5645-9605-01Subclasses 15.8, 15.10 and 16.
The result: the right DURASTAR, chosen with you and installed by AirGreen, with the LogisVert amount checked.
02 · How it works
Your furnace stays. The heat pump joins it.
Tap a step to see it on the diagram.
Heating: heat from outside comes into the home.
03 · This collection in numbers
What these 14 listings say, once you line them up.
Every number below is read live from the product listings in this collection. Change a listing and the page follows.
ENERGY STAR14/14listings listed as ENERGY STAR cold climate
Most heat at -15 °C106 %of the model’s nominal size: its listing shows that much heat at -15 °C (ENERGY STAR maximum at 5 °F). The highest here: the 30,000 BTU/h Sirius Heat R-454BSEER214.5 to 16.1Seasonal cooling efficiency across these listings: higher means less electricity for the same cooling
Outdoor models6different DURASTAR outdoor units behind these 14 listings
Wi-Fi14/14listings where Wi-Fi control is offered as an option
04 · The cold
How much heat is left when it gets cold, listing by listing.
Dark bar: heat at -8 °C. Light bar: at -15 °C. On the right, the limit DURASTAR publishes for each family.
The cold limit, by family
Sirius Heat
-30 °C
“Down to”: heating operating range from DURASTAR’s spec sheets (Sirius Heat: -22 °F / -30 °C; non-Sirius: -13 °F / -25 °C; 115 V: -4 °F / -20 °C). Sirius Heat keeps 100% of its rated heating capacity down to 0 °F (-18 °C). DURASTAR publishes no minimum for Advanced and Core.
Why the light bar is sometimes longer: in ENERGY STAR’s listing, the -8 °C (17 °F) figure is the capacity at the certification test point, while the -15 °C (5 °F) figure is the maximum capacity. Both come from the same AHRI number.
Slide the thermometer
Sirius Heatdown to -30 °CHeats
Move the slider: we count how many of the 14 units in this collection are still inside the heating range DURASTAR publishes.
05 · The coil matcher
How wide is your furnace? Tap it.
The coil sits on top of your furnace, so its width follows the furnace. We measure it during the free estimate; here you can already see which listings match.
5 coil widths in this collection.
AirGreen installs the heat pump and the coil (RBQ 15.8, 15.10 and 16).
See the matching listings06 · Did you know?
6 facts about these DURASTAR units and how they work. Flip the cards.
07 · Good to know
What to know before choosing.
01
The coil width
Each ADD-ON listing gives the coil width (14.5, 17.5, 21, 21.5 or 24.5 in). We measure it on your furnace during the estimate.
02
One AHRI number per pairing
With an ADD-ON, the same coil is certified several times, once per combination with the furnace. So the Advanced and Core listings show none: we find the right number, and the LogisVert amount that goes with it, during the quote.
03
Gas or oil furnace
AirGreen installs the heat pump and the coil (RBQ 15.8, 15.10 and 16). Any work on the furnace’s gas or oil supply goes to a contractor licensed for gas or oil.
04
The furnace blower does the work
With an ADD-ON, your furnace’s blower pushes the air through the coil, then into your existing ducts.
08 · The DURASTAR range at AirGreen
The neighbouring DURASTAR collections.
Number of units on our site, live.
09 · LogisVert
Up to $4,536 on these listings: the amount follows the AHRI number.
Hydro-Québec pays $120 per 1,000 BTU/h of heat at -8 °C for an ENERGY STAR cold-climate heat pump, $50 for a standard ENERGY STAR one, if the outdoor unit is at least 12,000 BTU/h. With an ADD-ON, each certified combination has its own AHRI number, and the furnace the coil sits on is part of it: that is why some listings say “on quote”.
Listings with a LogisVert amountAHRI number on the listing
13
Listings “on quote”no AHRI number, or an amount we still have to confirm
1
Under 12,000 BTU/h outsidenot eligible
$0
Amounts come from each product listing, by AHRI number, from Hydro-Québec’s LogisVert tool. Only Hydro-Québec confirms the aid granted.
The math and the deadline
37,800 BTU/h at -8 °C × $120 ÷ 1,000 =
$4,536
Deadline to apply9 months after installation
Cappre-tax cost
LogisVert guide v1.10, September 15, 2026. Hydro-Québec does no phone or door-to-door solicitation for LogisVert.
Where we install
4,632 installs published on our blog, all brands.
Count of published “Nos réalisations” articles by region, October 6, 2026. 343 articles with no recognized city are not in the bars.
See our installsMontreal2,403
Longueuil and South Shore614
Laval487
North Shore401
West Island343
Vaudreuil-Soulanges41
10 · Questions
What people ask us about these DURASTAR units.
What is a central ADD-ON?
An outdoor heat pump and a coil added to your existing furnace, which you keep. “ADD-ON” is our name for this setup.
Which coil width?
Your furnace’s: from 14.5 to 24.5 in depending on the listing. We measure it during the free estimate.
And LogisVert?
The amount shown comes from the listing’s AHRI number. When the listing has none (Advanced and Core ADD-ON, where each pairing with the furnace has its own number), it is confirmed in the quote.
Does my gas or oil furnace work with it?
We measure the space for the coil during the estimate. Any work on the gas or oil supply goes to a licensed gas or oil contractor.
How much is an installed DURASTAR?
Every installation is different: the estimate is free and the price comes with the quote.
Who makes DURASTAR?
DURASTAR is the house brand of Ferguson, a large North American heating and cooling distributor; in Canada, Ferguson does business as Wolseley. The Advanced and Core central systems are warranted by Rheem Sales Company. DURASTAR does not publish who makes its mini-splits.
AirGreen × DURASTARSold and installed by AirGreenSirius Heat: down to -30 °CR-454B “Low GWP”RBQ 5645-9605-01
AirGreen · Montreal, Laval, Longueuil, South Shore, North Shore
Your DURASTAR, chosen with you and installed by AirGreen.
We look at your home, choose the family and the size, check the LogisVert amount of the exact AHRI number, and hand you a clear quote.
RBQ licence 5645-9605-01Subclasses 15.8 Ventilation, 15.10 Refrigeration and 16 Electricity.
Showroom1370 Joliot-Curie Street, Boucherville.
Free on-site estimateMontreal, Laval, Longueuil, South Shore and North Shore.
Hydro-Québec does no phone or door-to-door solicitation for LogisVert. An unrequested call “on behalf of Hydro-Québec” is probably a scam.
Sources
Sources checked on October 8, 2026
- DURASTAR product pages and spec sheets (Sirius Heat and non-Sirius mini-splits, R-454B V1.1 Jan. 2025 and R-410A; Elite central V1.3 May 2026; Advanced PDS-848 and Core PDS-846, 2025), durastar.com.
- DURASTAR submittal DRA4U28M2A (form V1.0_10.24, © 2024 Ferguson Enterprises): heating operating range -13 to 75 °F (-25 to 24 °C).
- DRHP heat pump and DRAH air handler limited warranty (document 92-26150, Rheem Sales Company).
- ENERGY STAR certified air-source heat pumps (data.energystar.gov, dataset w7cv-9xjt) and NEEP, by AHRI number, as carried on each product listing.
- Hydro-Québec, LogisVert heat pump search tool and residential participation guide v1.10, September 15, 2026.
- AirGreen: DURASTAR catalogue on airgreen.ca, read live from this collection.
LogisVert amounts come from Hydro-Québec’s tool; only Hydro-Québec confirms the aid granted.
Price on quoteEvery installation is different: the estimate is free and the price comes with the quote.
Side by side
Values from each product listing. Green marks the better value on the line.
The DURASTAR shop
The 14 units of this collection, right below.
Filter by capacity, then compare the product listings. When a listing has an AHRI number, its LogisVert amount is shown.
