Four SENDC systems from 2 to 5 tons on R-454B, outdoor unit and air handler certified together. Each has an ENERGY STAR cold-climate record, a certified point at −30 °C on NEEP and an indicative LogisVert amount, from $2,496 to $5,400. Senville also offers a backup heat kit for each tonnage.
SENDC SeriesR-454BENERGY STAR cold climate, 4 of 4“Central Air Conditioner Heat Pump System”
Updated October 26, 2026 · ENERGY STAR, NEEP, Hydro-Québec and Senville
A SENDC system, in section
Three Senville parts on your ducts
Schematic, not to scale. Model names as Senville writes them; the backup heat kit is optional, 5 to 20 kW depending on tonnage.
$5,400indicative LogisVert for the SENDC-60HF, the highest in the series
39,000BTU/h at −15 °C for the SENDC-36HF, COP 1.90
4 of 4systems ENERGY STAR cold-climate certified
18.3SEER2 of the SENDC-24HF, the highest in the series
This page answersYou are swapping a furnace or a central unit on existing ducts and want a cold-climate heat pump that LogisVert helps pay for: which SENDC tonnage to pick, what it certifiably delivers at −15 and −30 °C, what the subsidy brings and which backup heat kits Senville offers.
Each card gives a SENDC system’s certified heat at 8.3, −8.3 and −15 °C, then its maximum capacity at −30 °C, on the same 0 to 60,000 BTU/h scale. Under the chart: the LogisVert amount and the backup heat kits Senville offers for that tonnage.
2 tons · 24,000 BTU/hSENDC-24HF
COP at −15 °C
1.87
LogisVert, indicative
$2,49620.8 × $120
Senville backup kits
5 or 10 kW
3 tons · 36,000 BTU/hSENDC-36HF
COP at −15 °C
1.90
LogisVert, indicative
$3,81631.8 × $120
Senville backup kits
10, 15 or 20 kW
4 tons · 48,000 BTU/hSENDC-48HF
COP at −15 °C
1.90
LogisVert, indicative
$4,74039.5 × $120
Senville backup kits
10, 15 or 20 kW
5 tons · 60,000 BTU/hSENDC-60HF
COP at −15 °C
1.80
LogisVert, indicative
$5,40045 × $120
Senville backup kits
20 kW
rated capacity at 8.3 °Cat −8.3 °C, the one the LogisVert amount comes fromat −15 °Cmaximum capacity at −30 °C
Rated capacities and COPs: NEEP and ENERGY STAR; maximum capacity at −30 °C: NEEP; read October 14, 2026, re-checked unchanged October 26, 2026. LogisVert: Hydro-Québec’s tool, same dates; the amount on each card equals $120 per 1,000 BTU/h of the rated capacity at −8.3 °C. Kits: options offered on each SENDC listing on senville.ca. The service manual linked from those listings gives other heater sizes, up to 25 kW at 5 tons: not confirmed; we offer only the senville.ca options until Senville confirms them.
02 · The systems
The four SENDC systems, plate by plate
“Side discharge” is our word, the trade’s: Senville writes “Central Air Conditioner Heat Pump System” on senville.ca. Each plate brings together certification, efficiency, electrical data and both units, certified (NEEP, ENERGY STAR) or as Senville publishes them.
SENDC · 2 tons · 24,000 BTU/h
SENDC-24HF
SENDC-24HF-OG + SENDC-24HF-IG
Certification
AHRI certificate
215735326
ENERGY STAR
3649595 · cold climatecertified September 30, 2026
Refrigerant
R-454B
Efficiency
SEER2 · EER2
18.3 · 11.7
HSPF2, regions IV · V
10 · 8
Certified cooling at 35 °C
23,000 BTU/h
Electrical
Power supply
208/230 V, single-phase, 60 Hz
Min. circuit ampacity · max. fuse, outdoor
19 A · 20 A
Outdoor unit
W × D × H
35.04 × 13.46 × 26.5 in (890 × 342 × 673 mm)
Weight · sound
102.29 lb (46.4 kg) · 60 dB
Indoor unit (air handler)
W × D × H
21.02 × 17.52 × 45 in (534 × 445 × 1,143 mm)
Weight
not confirmed
Airflow (H/M/L)
824 · 759 · 695 CFM
Sound
44 · 42 · 28 dB
Indoor unit weight: the value printed on senville.ca does not fit with the other tonnages; we are checking it with Senville.
Discrepancies found: for the SENDC-36HF, senville.ca prints an HSPF2 region V of 7.8, the certified value is 8.6 (we keep 8.6); for the SENDC-60HF, senville.ca’s text speaks of a 55,000 BTU unit, its table and the certified capacity at 35 °C say 54,000 (we keep 54,000). The SENDC-36HF listing also prints “Energy Star, UL, AHRI, NEEP” and states heating down to −22 °F (−30 °C).
03 · Replacing a furnace
What the SENDC needs when it takes the furnace’s place
If the old furnace burns gas or oil, disconnecting it is a job for a contractor qualified for that fuel.
Airflow
About 400 CFM per ton to push through your ducts
2 tons
824 CFM412 CFM per ton
3 tons
1,188 CFM396 CFM per ton
4 tons
1,601 CFM400 CFM per ton
5 tons
1,807 CFM361 CFM per ton
Air handler airflow at the highest speed printed on senville.ca (“Turbo” at 4 and 5 tons; the service manual linked from the listings prints other airflows, not used), divided by the tonnage. Before choosing, we check that the ducts can carry it.
Backup heat in winter
The system stays powered below 0 °C
The SENDC owner’s manual (QS002U-AHU(R454B)) asks that a unit fitted with electric backup heat stay powered below 0 °C, and states that the wired controller must run the AUX function. The kit is added to the air handler: SENDC-AUX-05KW-EUL to SENDC-AUX-20KW-EUL, in the sizes offered for your tonnage.
Controls
A wall remote; wired thermostat not confirmed
The 3 to 5 ton listings name a wall remote; the 2 ton listing says nothing. The help centre pairs the WRD-RMT23 wired thermostat with SENDC units (not confirmed: the WRD-RMT23 pages limit it to ducted units and cassettes) and the WRD-RMT25 with SENDC Wi-Fi units. Senville’s French coil pages also mention a wired controller with built-in Wi-Fi or third-party 24 V thermostats. See Senville thermostats
Suffixes and documents
The -OG / -IG suffix, and the R-454B manuals
Our four systems are -OG (outdoor) and -IG (indoor) pairs. ENERGY STAR also lists SENDC -OM / -IM pairs, another version we do not sell here; Senville’s warranty table files both suffixes under “Central”. The help centre groups the manuals under “Central Air Conditioners – Manuals & Documentation (Refrigerant: R454B)”, and the owner’s manual also covers 18 and 30 sizes we do not sell.
Sources: senville.ca SENDC listings (October 14, 2026); owner’s manual QS002U-AHU(R454B); Senville help centre, “Which thermostats are compatible?” (modified November 20, 2025) and “Central Series” manuals (modified October 8, 2026); fr.senville.ca SENDC-36CO coil pages; ENERGY STAR, read October 26, 2026. Airflow per ton: AirGreen calculation.
Questions
What people ask us about the SENDC
Down to what outdoor temperature does the SENDC heat?
Down to −30 °C per NEEP, where each tonnage has a certified maximum capacity: 12,000, 27,800, 25,900 and 30,900 BTU/h from 2 to 5 tons. The owner’s manual gives an outdoor heating range of −30 °C to 24 °C (column alignment to be confirmed). Colder, or when the house asks for more, the electric backup takes over.
NEEP, read October 14, 2026, re-checked October 26, 2026; SENDC owner’s manual QS002U-AHU(R454B).
Is the SENDC pre-charged with refrigerant?
Only the SENDC-36HF listing prints a pre-charge: 25 ft of line set. The 2, 4 and 5 ton listings state none. Beyond the pre-charged length, the technician adds the charge the manual calls for.
senville.ca SENDC listings, October 14, 2026.
Why “side discharge”?
It is the trade term for an outdoor unit that pushes air out horizontally. Senville does not use it: it calls the SENDC a “Central Air Conditioner Heat Pump System”. We use it to tell it apart from Senville’s other central line, the SENTC, which pushes air upward.
Both central lines side by sidefr.senville.ca “Climatiseur Central” category and senville.ca SENDC listings, October 14, 2026.
What Senville warranty covers the SENDC?
All four SENDC listings print “10 Years Compressor / 5 Years Parts”. The help-centre table gives the same term to the -OG / -IG and -OM / -IM suffixes. The rest of the conditions sit on our Senville page.
See the termsQuestion published by Senville: “What is the warranty on Senville products?”, help centre, modified October 8, 2026; senville.ca SENDC listings.
AirGreen × SENVILLE
Your SENDC, chosen to fit your ducts and installed by AirGreen.
We measure what your ducts can carry, work out the home’s heating load, choose the tonnage and the backup kit; your quote then lists the AHRI certificate of the SENDC chosen and the expected LogisVert amount, indicative.
NEEP, Cold Climate Air Source Heat Pump List (ashp.neep.org), AHRI certificates 215735326, 215735328, 215735329 and 215735330, read October 14, 2026, re-checked unchanged October 26, 2026.
ENERGY STAR, Certified Air-Source Heat Pumps (data.energystar.gov, dataset w7cv-9xjt), records 3649595, 3649597, 3649598 and 3649599, read October 14, 2026, re-checked unchanged October 26, 2026; SENDC -OM / -IM pairs seen October 26, 2026.
Hydro-Québec, LogisVert eligible heat pump search tool, file read October 14, 2026, re-checked unchanged October 26, 2026.
Senville Canada, senville.ca: SENDC-24HF, SENDC-36HF, SENDC-48HF and SENDC-60HF listings, and the SENDC-AUX-05KW-EUL page; fr.senville.ca: “Climatiseur Central” category and SENDC-36CO coil pages; read October 14, 2026.
Senville, “Air-Handler Air Conditioner” owner’s manual QS002U-AHU(R454B) and the service manual linked from the SENDC listings, read October 14, 2026.
Senville help centre: “What is the warranty on Senville products?” and “Central Series Installation & Service Manuals” (modified October 8, 2026), “Which thermostats are compatible?” (modified November 20, 2025).
airgreen.ca product pages, re-read October 26, 2026.
LogisVert amounts are indicative: Hydro-Québec confirms them when you apply. Prices on quotation.
