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ELIOS · EMC · Cold climateThe ELIOS space at AirGreenSold and installed by AirGreen across Greater Montreal.
My EMC sizeCurrent series, R-454BData checked Oct. 26, 2026
ELIOS EMC wall unit · cold climate
The EMC still heats at −30 °C, and the 18,000 keeps 100% of its heat at −15 °C.
This is the ELIOS wall unit for a room you really heat all winter: a −30 to 24 °C heating range, up to 26.0 SEER2, a leak sensor in every indoor unit. Five sizes, 9,000 to 33,000 BTU/h.
The EMC in four numbers
−30 °Cheating and cooling, every size
34,600BTU/h at −15 °C (33,000)
26.0SEER2 of the 9,000
20 dB(A)silent mode, 12,000 and 18,000
ELIOS submittals 06.26, confirmed by the NEEP registry.
5EMC listings
9,000
–33,000
BTU/h nominal, from the smallest to the largest
26best certified SEER2 on this page
−30 °Ccoldest certified heating point (NEEP)
$3,720
highest LogisVert amount, Hydro-Québec list of Oct. 25, 2026
AirGreen × ELIOSEMC · cold climateDown to −30 °C100% at −15 °C on the 18,000Built-in leak sensorSold and installed by AirGreen
The essentials
What the EMC does that its neighbours do not.
Figures from the June 2026 ELIOS submittals and the NEEP registry. Nothing here applies as-is to the EBC.
−30 °C
Operating range: −30 to 24 °C in heating, −30 to 50 °C in cooling, for all five sizes.
SUB_E_WHMA*_2_SM1, p. 118,000 at −15 °C
The EMC 18,000 gives its full 18,000 BTU/h at −15 °C.
SUB_E_WHMA18_2_SM1 ; NEEP34,600
BTU/h at −15 °C for the EMC 33,000, more than its cooling rating.
SUB_E_WHMA33_2_SM1 ; NEEPCOP 1.24
Published efficiency of the EMC 9,000 at −30 °C: it still gives more heat than it uses in electricity.
SUB_E_WHMA09_2_SM1, p. 126.0 SEER2
The EMC 9,000, with an HSPF2 of 10.1 in region V: the best published efficiency of the current ELIOS wall units.
NEEP ; brochure EMC 202509Leak sensor
In every EMC indoor unit: compressor stopped and fan running if it leaks, 15-year service life.
IOM_E_WHBWHM, p. 5 ; MAT_E_R454BX_1Heat+
The heating technology the ELIOS brochure reserves for the EMC, with 1% compressor modulation.
Brochure EMC 202509, p. 2-3e-Multi heads
The EMC indoor units are also the wall heads of the R-454B e-Multi multi-zone systems.
TRS_E_410454_1, p. 150 m
Maximum line length of the 24,000 and 33,000 (25 m height); 25 m for the 9,000 and 12,000.
SUB_E_WHMA*_2_SM17.5 m
Refrigerant pre-charged line length, every size.
SUB_E_WHMA*_2_SM1$1,440 to $3,720
LogisVert per Hydro-Québec’s list of Oct. 25, 2026; the 9,000 is not on it (outdoor unit under 12,000 BTU/h).
Hydro-Québec listReplaces e28 and e25
In ELIOS’s June 2026 transition bulletin, EMC takes the place of the R-410A e28 and e25 wall units.
TRS_E_410454_1Size by size
Pick a capacity: everything the EMC certifies at that size.
Certified heat at −8 °C and −15 °C, coldest point, efficiency, LogisVert, then the spec plate: dimensions, sound, electrical, lines.
EMC or EBC
At equal size, what the EMC gives over the EBC.
Same nominal capacity, same registries: look mostly at the −15 °C line.
The EMC shop
All five EMC units, right below.
9,000, 12,000, 18,000, 24,000 and 33,000 BTU/h: each page gives the models and the AHRI number.
Everything to know
The EMC up close: cold, noise, wall space, electrical.
Everything an owner and an electrician want to know before installation.
Every model, side by side
The five EMC units, side by side.
All five share the same operating floor, −30 °C; what changes from size to size is how much heat they keep in the cold.
| Model | Heat at −8 °C | Max at −15 °C | Coldest certified point | SEER2 | HSPF2 (V) | Sound | LogisVert | Certification |
|---|---|---|---|---|---|---|---|---|
| EMC wall unit · 9,000 BTU/hESHMA09C2AN1 + EWHMA09C2AS1 | 12,000 BTU/h | 11,500 BTU/h | −30 °C · 5,800 BTU/h | 26 | 10.1 | 20.5–44 dB(A) | — | AHRI 216046613 · ENERGY STAR 3799004, cold climate |
| EMC wall unit · 12,000 BTU/hESHMA12C2AN1 + EWHMA12C2AS1 | 12,000 BTU/h | 11,500 BTU/h | −30 °C · 5,900 BTU/h | 24 | 8 | 20–44.7 dB(A) | $1,440 | AHRI 216046614 · ENERGY STAR 3799005, cold climate |
| EMC wall unit · 18,000 BTU/hESHMA18C2AN1 + EWHMA18C2AS1 | 16,600 BTU/h | 18,000 BTU/h | −30 °C · 9,600 BTU/h | 21.7 | 8.8 | 20–54.5 dB(A) | $1,992 | AHRI 216046615 · ENERGY STAR 3799006, cold climate |
| EMC wall unit · 24,000 BTU/hESHMA24C2AN1 + EWHMA24C2AS1 | 23,000 BTU/h | 24,000 BTU/h | −30 °C · 10,900 BTU/h | 22.3 | 9.6 | 20.5–54.5 dB(A) | $2,760 | AHRI 216046616 · ENERGY STAR 3799007, cold climate |
| EMC wall unit · 33,000 BTU/hESHMA33C2AN1 + EWHMA33C2AS1 | 31,000 BTU/h | 34,600 BTU/h | −30 °C · 17,800 BTU/h | 20 | 8.6 | 23–56 dB(A) | $3,720 | AHRI 216046617 · ENERGY STAR 3799008, cold climate |
Heat at −8 °C, maximum at −15 °C and coldest point: NEEP registry (ashp.neep.org), read by AHRI number on Oct. 14, 2026. SEER2 and HSPF2 region V: same source. LogisVert amounts: Hydro-Québec’s list of eligible heat pumps, Oct. 25, 2026. Sound: ELIOS technical documents. A dash means “not published”.
The thermometer
From 8 °C to −30 °C, every EMC has a certified point at each step.
All five EMC units have a NEEP rating down to −30 °C: slide and compare.
The sound meter
The EMC in a bedroom: where it sits between a whisper and a conversation.
Lowest and highest indoor speed, and the outdoor unit, per ELIOS.
The fit
How much wall does an EMC take? Slide to your free space.
Three indoor cabinets: 802 mm (9,000 and 12,000), 1,082 mm (18,000 and 24,000), 1,259 mm (33,000).
The sizer
Which EMC for your room? A first idea in three settings.
ENERGY STAR sizing chart (cooling). Winter heating is confirmed on site.
Did you know
Six facts only the EMC submittal reveals.
Tap a card to flip it.
Tech corner
For the electrician and the refrigeration tech: the five EMC units, one line each.
ELIOS system submittals 06.26. Flared connections, 16 mm drain, pre-charged for 7.5 m.
| Size | Power supply | MCA / max. protection | Liquid / gas lines | Max. length / height | Indoor unit W×H×D | Heats down to (ELIOS) |
|---|---|---|---|---|---|---|
| 9,000 BTU/h | 208-230 V · 1 Ph · 60 Hz | 15 A / 15 A | 1/4 in / 3/8 in | 25 m / 15 m | 802×295×200 mm | −30 °C |
| 12,000 BTU/h | 208-230 V · 1 Ph · 60 Hz | 15 A / 15 A | 1/4 in / 3/8 in | 25 m / 15 m | 802×295×200 mm | −30 °C |
| 18,000 BTU/h | 208-230 V · 1 Ph · 60 Hz | 19 A / 20 A | 1/4 in / 1/2 in | 30 m / 20 m | 1,082×337×234 mm | −30 °C |
| 24,000 BTU/h | 208-230 V · 1 Ph · 60 Hz | 24.9 A / 25 A | 3/8 in / 5/8 in | 50 m / 25 m | 1,082×337×234 mm | −30 °C |
| 33,000 BTU/h | 208-230 V · 1 Ph · 60 Hz | 34 A / 35 A | 3/8 in / 3/4 in | 50 m / 25 m | 1,259×362×283 mm | −30 °C |
LogisVert · Hydro-Québec
LogisVert on the EMC: $1,440 to $3,720.
4 of the 5 listings on this page appear on Hydro-Québec’s list of eligible heat pumps (Oct. 25, 2026). The amount follows the certified heating capacity at −8 °C, size by size.
| Model | Capacity at −8 °C | Rate | Amount |
|---|---|---|---|
| EMC wall unit · 33,000 BTU/h | 31,000 BTU/h | $120 per 1,000 BTU/h, cold climate | $3,720 |
| EMC wall unit · 24,000 BTU/h | 23,000 BTU/h | $120 per 1,000 BTU/h, cold climate | $2,760 |
| EMC wall unit · 18,000 BTU/h | 16,600 BTU/h | $120 per 1,000 BTU/h, cold climate | $1,992 |
| EMC wall unit · 12,000 BTU/h | 12,000 BTU/h | $120 per 1,000 BTU/h, cold climate | $1,440 |
How Hydro-Québec computes it
The amount follows the certified heating capacity at −8 °C: $120 per 1,000 BTU/h for a cold-climate ENERGY STAR heat pump, $50 for a standard ENERGY STAR heat pump.
- Outdoor unit of 12,000 BTU/h or more.
- Capped at 100% of the cost of the work.
- Apply within 9 months of the installation.
Source: Hydro-Québec, LogisVert participation guide, residential customers, version 1.10 of September 15, 2026. Have Hydro-Québec confirm your case. Our LogisVert page.
Hydro-Québec does no phone or door-to-door solicitation for LogisVert. The amount shown is indicative: only Hydro-Québec confirms the aid granted.
Questions
Questions about the ELIOS EMC wall unit.
Does the EMC really heat at −30 °C?
Yes. ELIOS rates it from −30 to 24 °C in heating, and NEEP publishes a capacity for every size at −30 °C: from 5,800 BTU/h (9,000) to 17,800 BTU/h (33,000). At that cold, capacity drops: size for the deep cold, not the average.
Which EMC for a bedroom or a living room?
The sizer below gives a first idea from the area. For winter heating, we check windows and insulation on site before choosing between 9,000, 12,000 or 18,000.
Why does the EMC 9,000 get no LogisVert?
Hydro-Québec requires an outdoor unit of at least 12,000 BTU/h. The 9,000 is therefore not on the list, even though it is ENERGY STAR cold-climate certified.
Is Wi-Fi included?
The ELIOS documents do not all agree: the brochure and one submittal list it as optional (WF0C1 module), the August 2026 feature matrix says it is in the box. We confirm it in writing in the quotation.
What is the leak sensor for?
R-454B is mildly flammable (A2L class). If the sensor detects a leak, the compressor stops and the indoor fan runs to disperse the refrigerant. ELIOS rates it for 15 years.
Can the EMC replace my old e25 or e28?
That is the replacement ELIOS plans in its June 2026 bulletin. The refrigerants differ (R-410A versus R-454B): we check the existing lines before proposing whether to reuse them.
What warranty on the EMC?
ELIOS publishes 1 year on parts and 5 years on the compressor, with optional 10-year parts and compressor coverage. ELIOS publishes no labour warranty.
What breaker is needed?
Per the submittal: 15 A for the 9,000 and 12,000, 20 A for the 18,000, 25 A for the 24,000 and 35 A for the 33,000, at 208-230 V. The tech corner below has the detail.
AirGreen × ELIOSEMC · cold climateDown to −30 °C100% at −15 °C on the 18,000Built-in leak sensorSold and installed by AirGreen
AirGreen × ELIOS · your project
An EMC in your coldest room? We will come and see.
We measure the room, size it for your deep cold and prepare the LogisVert file with the right AHRI number.
AirGreen · Air Conditioning & Heating
RBQ licence 5645-9605-01, subclasses 15.8 (ventilation), 15.10 (refrigeration) and 16 (electrical).
Free on-site estimate across Greater Montreal: Montreal, Laval, Longueuil, the North Shore and the South Shore.
Gas, oil and hydronic work is done by a partner who holds the required licence.
Sources checked on Oct. 26, 2026
- ELIOS, EMC system submittals (SUB_E_WHMA09, 12, 18, 24, 33, revision 2, printed 06.26), eliosprotech.com.
- ELIOS, EBC system submittals (SUB_E_WHBA09, 12, 12 115 V, 18, 24, 30, 36, printed 06.26), eliosprotech.com.
- ELIOS, EMC (Elios_EMC_202509, V01) and EBC (Elios_EBC_202608, V01) brochures, French and English.
- ELIOS, R-454B feature matrix (MAT_E_R454BX_1, AUG-10-26) and “A2L Transition R-410A → R-454B” bulletin (TRS_E_410454_1, JUNE-19-26).
- ELIOS, IOM_E_WHBWHM installation manual (refrigerant leak sensor).
- NEEP, Cold Climate Air Source Heat Pump List, ashp.neep.org, records read by AHRI number on Oct. 14, 2026.
- ENERGY STAR, Certified Air-Source Heat Pumps dataset (data.energystar.gov, w7cv-9xjt), Canadian market, read Oct. 14, 2026.
- Hydro-Québec, LogisVert eligible heat pump list, owner, existing home, file of Oct. 25, 2026 (ELIOS rows identical to Oct. 14).
- Hydro-Québec, LogisVert participation guide, residential customers, version 1.10, Sept. 15, 2026.
- Québec.ca, “Mesure du bruit”, updated June 16, 2022 (dBA sound scale).
- ENERGY STAR, “Properly Sized Room Air Conditioners”, energystar.gov (sizing chart), read Oct. 26, 2026.
Amounts shown are estimates; only the responsible organizations confirm the aid granted. Product availability is confirmed at the time of the quotation.