Midea 6-zone: the maximum, on the 48,000 BTU/h compressor.
Six Midea28 wall heads on a single outdoor unit, the MO6HX-H48B. LogisVert: $5,400 for the system, the highest amount among our Midea units together with the 5-ton EVOX G3.
6-zone · R-454BYour 6-zone, compressor by compressor
Tap a compressor: the system, its certified heat and its LogisVert amount.
AHRI 215471466 · up to 6 heads on this compressor · ENERGY STAR cold climate.
1 compressor for 6 rooms.
Each compressor takes a maximum number of heads. The bigger it is, the more heat it gives and the higher the LogisVert amount.
| Compressor | Heads | Heat at 8 °C | Heat at -8 °C | Max. at -15 °C | Max. at -30 °C | SEER2 | HSPF2 | LogisVert | AHRI |
|---|---|---|---|---|---|---|---|---|---|
| 48,000 BTU/hMO6HX-H48B-2A | Up to 6 | 49,000 BTU/h | 45,000 BTU/h | 47,000 BTU/h | 24,600 BTU/h | 23.0 | 11.0 | $5,400 | 215471466 |
ENERGY STAR (data by AHRI number, Oct. 8, 2026) and NEEP for -30 °C (maximum published heat). A multi-zone is certified with a given head combination: real heat depends on the heads connected. Blue marks the best value in each column.
One unit outside, 6 heads inside.
Tap a step, or switch to cooling. Each head gets its own pair of lines.
AirGreen principle diagram: unit positions and line lengths vary from house to house.
6 rooms: find the starting compressor.
Set the head size for each room: we show you the starting Midea28 compressor, its load and its LogisVert amount.
ALL EASY PRO wall heads from 6,000 to 36,000 BTU/h depending on the compressor. Each room’s size is confirmed at the visit (area, windows, insulation).
Up to 6 heads · LogisVert $5,400 for the system (AHRI 215471466)
$2,400
$3,600
$4,560
$5,400
Starting point: the smallest compressor that takes 6 heads, your largest head, and whose rated capacity covers the total. We confirm it with Midea’s combination table.
MO3HX-H18B, MO4HX-H27B, MO5HX-H36B and MO6HX-H48B compressors (Extreme Heat series). Number of heads and allowed sizes: Midea multi-zone brochure and combination table (3, 4, 5 and 6 ports). That table allows some combinations above rated capacity: we pick yours with you at the visit. LogisVert: Hydro-Québec formula, per system.
At -30 °C, the 48,000 compressor still gives 24,600 BTU/h.
Certified heat at 8 °C and -8 °C, then maximum at -15 °C and -30 °C, for each compressor. On these systems, certified heat at -8 °C often equals or beats the 8 °C figure.
48,000 BTU/h
MO6HX-H48B-2AHeat published down to -30 °C by the NEEP list
ENERGY STAR (8 °C, -8 °C, -15 °C) and NEEP (-30 °C, maximum heat), data by AHRI number, Oct. 8, 2026. Bars scaled per compressor.
The Midea28 compressor, in kWh of heat.
Pick a compressor and a temperature: kWh of heat per kWh of electricity, from the NEEP list COPs, and the cost of a kWh of heat at Rate D.
At -8 °C, heat of 45,000 BTU/h at the rated point (NEEP list).
COPs published by the NEEP list (ashp.neep.org, data by AHRI number, Oct. 8, 2026): rated at 8, -8 and -15 °C; at the coldest point, at maximum output, as reported by the manufacturer. Electric baseboard: about 100% efficient (NRCan, “Heating with Electricity”). Hydro-Québec Rate D in force April 1, 2026: 7.065¢/kWh up to 40 kWh per day, 11.142¢/kWh beyond, plus the access charge. A lab COP is not a bill: real use depends on the house and how it is used. These COPs are the compressor’s, with the head combination it was certified with (Midea): 6,000 × 3 for the 18,000, 6,000 × 3 + 9,000 for the 27,000, 6,000 × 3 + 9,000 × 2 for the 36,000, 9,000 × 4 + 12,000 for the 48,000. With other heads, real figures differ.
$5,400 for your Midea 6-zone. One amount per system.
Hydro-Québec counts a multi-zone as one system: the amount follows the compressor’s certified heat at -8 °C, not the number of heads. Tap a compressor to see the calculation and your application deadline.
Multi-zone · 48,000 BTU/h
Two heads or six, the amount does not change: the compressor is what counts.
Since November 26, 2025, only ENERGY STAR certified units qualify.
You apply no later than 9 months after installation.
The rebate never exceeds 100% of the purchase and installation cost before taxes.
Source: Hydro-Québec, LogisVert residential participation guide v1.10 (Sept. 15, 2026) and eligible heat pump search tool, consulted Oct. 6, 2026; heat at -8 °C: ENERGY STAR, Oct. 8, 2026. Indicative amounts, confirmed by Hydro-Québec when you apply. Our LogisVert page
What Midea built into its multi-zone.
The features Midea states for this system.
Each head is set, scheduled and turned off on its own. You heat or cool only the rooms you use.
When not every room calls for it, the variable-speed compressor runs at partial load and uses less, according to Midea.
The system checks its own wiring, and matches refrigerant lines to the right wires even if a port was swapped, according to Midea.
All four Extreme Heat compressors are on the NEEP cold-climate heat pump list, with a maximum heat published at -30 °C: 10,000 to 24,600 BTU/h.
Inverter technology according to Midea: the compressor varies its speed instead of stopping. R-454B refrigerant per our product pages.
One outdoor unit for several rooms: less space taken outside and less outdoor noise than one unit per room.
Source: Midea Comfort Canada (mideacomfortna.ca), single-zone, ALL EASY PRO and INFINI pages, consulted Oct. 8, 2026; compressor and refrigerant: ENERGY STAR, Oct. 8, 2026.
Eight things to know about the Midea 6-zone.
Tap a card to flip it: each number’s source is on the back.
- 01Optional combination6headsSix heads is possibleTap for the explanation01
For the 48,000, Midea lists six heads as an optional combination. Its standard combination with ALL EASY PRO heads is 9,000 × 4 + 12,000, the one it was certified with.
AirGreen Midea28 multizone sheet, Midea combination and specification tables, p. 9 et 10.
- 02The table36,000–72,000BTU/hFrom six small to six mediumTap for the explanation02
With six heads, Midea’s table goes from six 6,000 heads (36,000 BTU/h) to six 12,000 heads (72,000 BTU/h).
AirGreen Midea28 multizone sheet, Midea combination and specification tables, p. 9.
- 03Good to know÷Beyond the rating, heat is sharedTap for the explanation03
If the heads total more than the outdoor unit’s rated capacity, each head gets less, mostly in heating, according to Midea. We aim for the right total, not the maximum.
AirGreen Midea28 multizone sheet, Midea combination and specification tables, note 1.
- 0448,000 BTU/h52 1/2in.Over four feet tallTap for the explanation04
The 48,000 outdoor unit measures 37 1/2 × 16 3/8 × 52 1/2 in. and weighs 111.8 kg (246 lb), according to Midea.
AirGreen Midea28 multizone sheet, Midea combination and specification tables, p. 10.
- 05Outside4 503CFM65 dB(A) for all that airTap for the explanation05
The 48,000 moves up to 4,503 CFM of air and is 65 dB(A), according to Midea.
AirGreen Midea28 multizone sheet, Midea combination and specification tables, p. 10.
- 068 °C57,000BTU/hIts maximum at 8 °CTap for the explanation06
The NEEP list gives up to 57,000 BTU/h at 8 °C for the 48,000, and 47,000 BTU/h at maximum at -15 °C.
NEEP list, data by AHRI number, Oct. 8, 2026.
- 07Record11.0HSPF2The best HSPF2 of our multi-zonesTap for the explanation07
The 48,000 has the highest HSPF2 of the four compressors: 11.0.
ENERGY STAR, data by AHRI number, Oct. 8, 2026.
- 08Electrical45AThe 48,000’s circuitTap for the explanation08
Per our product data, the 48,000 outdoor unit needs a 37 A minimum circuit and 45 A protection.
Our airgreen.ca product pages, Oct. 8, 2026 (MCA, MOP).
Swipe to see the other cards, tap a card to flip it.
12 years on parts and compressor, if the system is registered in time.
For the first owner of a single-family home, registration within 60 days of installation. Pick your case.
on the compressor and on parts: first owner, single-family home, unit registered within 60 days.
on the compressor, and 5 years on parts, without registration.
on the compressor, and 1 year on parts, for any other use.
on the compressor and on parts, for the next owner.
On mideacomfortna.ca, within 60 days of installation. We show you how at start-up.
Midea requires installation by a licensed contractor. AirGreen: RBQ 5645-9605-01.
Labour and refrigerant are excluded from the Midea warranty, in plain words.
Source: Midea limited warranty for Canada (rev. 12.2024, September 2026 edition), linked from mideacomfortna.ca, consulted Oct. 6, 2026.
AirGreen — MIDEA PRO dealer
MIDEA PRO dealer: recognized expertise across the whole residential and commercial range.
Up to 12 years of Midea warranty on parts and compressor for systems registered within 60 days.
Specialized MIDEA technical training completed: installation to the manufacturer’s standards, advanced diagnostics and certified service.
Full command of MIDEA systems, from selection to start-up, including preventive maintenance and specialized repairs.
Priority access to original parts for after-sales service, cutting response times.
Privileged access to PRO programs and new technology, in Montreal, Laval, Longueuil, the North Shore, the South Shore and Montérégie.
We count the rooms, measure each one and plan the line route to the outdoor unit.
The compressor, each head’s size, the AHRI number and the indicative LogisVert amount.
Vacuum, refrigerant charge, room-by-room heating and cooling tests.
We give you the AHRI number and the papers for your Hydro-Québec application.
Our latest six Midea multi-zones installed.
Our published articles mostly show dual and triple zones. The principle is the same: one head per room, a single unit outside.
Five questions about the 6-zone.
Answer, then read why.
“Among our Midea compressors, only the 48,000 takes six heads.”
True. The 48,000 (MO6HX) has 6 ports; the 36,000 has 5, the 27,000 4, the 18,000 3.
AirGreen Midea28 multizone sheet, Midea combination and specification tables, p. 3.
“Six 12,000 heads are in Midea’s table for the 48,000.”
True. As an optional combination: 72,000 BTU/h of heads, so each head gives less than its rating.
AirGreen Midea28 multizone sheet, Midea combination and specification tables, p. 9.
“The 48,000 was certified with six heads.”
False. With five: four 9,000 and one 12,000.
AirGreen Midea28 multizone sheet, Midea combination and specification tables, p. 10.
“The more heads you add, the more each one heats.”
False. Beyond the rating, heat is shared between the heads.
AirGreen Midea28 multizone sheet, Midea combination and specification tables, note 1.
“The 48,000 has the best HSPF2 of the four compressors.”
True. 11.0, versus 10.4 to 10.7 for the others.
ENERGY STAR, data by AHRI number, Oct. 8, 2026.
What people ask us about the Midea 6-zone.
No question matches. Write to us or call 514 316-2973.
The smallest one that takes 6 heads and whose rated capacity covers the total of your heads: 48,000 BTU/h (up to 6 heads). We confirm it with Midea’s combination table.
Depending on the compressor: $2,400 (18,000), $3,600 (27,000), $4,560 (36,000) and $5,400 (48,000). Hydro-Québec counts the system once, whatever the number of heads.
The Extreme Heat compressors are on the NEEP cold-climate heat pump list, which publishes their maximum heat at -30 °C: from 10,000 BTU/h (18,000) to 24,600 BTU/h (48,000).
Those are the certified values: for example 30,000 BTU/h at -8 °C versus 27,000 at 8 °C for the 27,000 compressor. The variable-speed compressor speeds up when it gets colder. Real heat depends on the heads connected.
A multi-zone puts a single outdoor unit for several rooms and one LogisVert amount. Separate wall units each have their own outdoor unit and their own LogisVert amount. We compare both with you at the visit.
At Midea, Wi-Fi control of wall heads goes through an optional module, with the Midea SmartHome app. Our multi-zone product pages list it as optional. The quote says what is included.
For the first owner of a single-family home: 7 years on the compressor and 5 years on parts, or 12 years on both if the unit is registered within 60 days. Any other use: 5 years compressor, 1 year parts. Next owner: 5 and 5. Midea excludes labour and refrigerant.
Your Midea 6-zone, laid out with you and installed by AirGreen.
We come and see the rooms, confirm the compressor and each head’s size, then you get a clear quote: the system, the AHRI number and the indicative LogisVert amount.
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.
Sources checked on October 8, 2026
- ENERGY STAR, Certified Air-Source Heat Pumps (dataset w7cv-9xjt): MO3HX to MO6HX compressors, data of Oct. 8, 2026.
- NEEP, Cold Climate Air Source Heat Pump List (ashp.neep.org): maximum heat at -30 °C, consulted Oct. 8, 2026.
- Midea, “Ducted & Ductless Compatible Multi-Zone System” brochure: ports per compressor, SynchroConnect, per-room control, combination tables.
- Midea Comfort Canada (mideacomfortna.ca): single-zone, multi-zone and ALL EASY PRO pages, consulted Oct. 8, 2026; MO3HX to MO6HX installation manual.
- Midea limited warranty for Canada (rev. 12.2024, September 2026 edition), consulted Oct. 6, 2026.
- Hydro-Québec, LogisVert residential participation guide, version 1.10, Sept. 15, 2026; eligible heat pump search tool, consulted Oct. 6, 2026.
- AirGreen, “Nos réalisations” blog: 52 Midea multi-zone installs published as of Oct. 8, 2026.
- airgreen.ca product pages (combinations, AHRI numbers), Oct. 8, 2026.
LogisVert amounts are indicative: Hydro-Québec confirms them when you apply. Prices on quote.
The Midea 6-zone, right below.
Open the product page: the head combinations, the AHRI number and the indicative LogisVert amount.
