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HITACHI COOLING & HEATING · airHome 400 · 600 · 800The HITACHI space at AirGreenThree wall series, fifteen systems, sold and installed by AirGreen.
All of HITACHIFree in-home estimate15 systems · 3 series
HITACHI wall heat pumps · updated October 28, 2026
HITACHI airHome 400, 600 and 800 wall units: the three series compared, number by number
Hitachi publishes one brochure per series. None of them puts the three side by side, so we did it with the 15 certificates in our store: a heating floor that runs from -20.5°C to -30°C, NEEP-certified heat, efficiency and the LogisVert amount of every system. The chooser narrows it down in a few taps.
R-32Three heating limits
airHome 400
6 systems · 9,000 to 36,000-20.5°CairHome 600
5 systems · 9,000 to 24,000-25°CairHome 800
4 systems · 9,000 to 24,000-30°C
6 systems · 9,000 to 36,000-20.5°CairHome 600
5 systems · 9,000 to 24,000-25°CairHome 800
4 systems · 9,000 to 24,000-30°C
Floor: the lowest outdoor temperature Hitachi publishes for each series (400 and 600 brochures; English Canadian page and 18/24 manual of the airHome 800).
15Hitachi wall systems in our store
11LogisVert-eligible, out of 15
$2,100the largest grant: the 24,000 airHome 400
72published wall installations as of Oct. 28, 2026
The HITACHI shop · Wall heat pumps
The 15 Hitachi wall units, right below.
Filter by series or size, then open the product page: certificate, figures and LogisVert amount.
01 · The chooser
Six criteria, and only the wall units that fit you remain.
Each tap removes the systems that do not qualify, based on what Hitachi publishes and what the certificates say. The exact size is settled during the visit, room by room.
1 · The cold to face
Montréal-Trudeau, 1981-2010: 14.26 nights a year below -20°C, 0.27 below -30°C.
2 · The size
In BTU/h, as named in our titles. The right size is worked out during the visit.
3 · The electrical circuit
4 · Wi-Fi
5 · A third-party 5-wire thermostat
6 · LogisVert
Third-party thermostat: Hitachi provides for it on the airHome 400 and 600, over 5 wires, but it cannot run every Hitachi function, FrostWash included; for the airHome 800, Hitachi publishes nothing. LogisVert: list read Oct. 14, 2026, amounts recomputed Oct. 28, 2026 from the certificates.
Wall units kept: 15 out of 15
airHome 400 · 6airHome 600 · 5airHome 800 · 4
- airHome 400 · 9,000 BTU/hAHRI 216759655 · heats to -20.5°CNo LogisVert
- airHome 400 · 12,000 BTU/hAHRI 216759656 · heats to -20.5°CLogisVert $1,008
- airHome 400 · 12,000 BTU/h · 115 VAHRI 216759659 · heats to -20.5°CLogisVert $1,008
- airHome 400 · 18,000 BTU/hAHRI 216759657 · heats to -20.5°CLogisVert $1,596
- airHome 400 · 24,000 BTU/hAHRI 216759658 · heats to -20.5°CLogisVert $2,100
- airHome 400 · 36,000 BTU/hAHRI 216411300 · heats to -20.5°CNo LogisVert
- airHome 600 · 9,000 BTU/hAHRI 215413018 · heats to -25°CNo LogisVert
- airHome 600 · 12,000 BTU/hAHRI 215413019 · heats to -25°CLogisVert $1,128
- airHome 600 · 15,000 BTU/hAHRI 216618246 · heats to -25°CLogisVert $1,512
- airHome 600 · 18,000 BTU/hAHRI 215413020 · heats to -25°CLogisVert $1,800
- airHome 600 · 24,000 BTU/hAHRI 215413021 · heats to -25°CLogisVert $2,004
- airHome 800 · 9,000 BTU/hAHRI 215911630 · heats to -30°CNo LogisVert
- airHome 800 · 12,000 BTU/hAHRI 215911631 · heats to -30°CLogisVert $1,320
- airHome 800 · 18,000 BTU/hAHRI 215911632 · heats to -30°CLogisVert $1,920
- airHome 800 · 24,000 BTU/hAHRI 216011944 · heats to -30°CLogisVert $1,920
No wall unit meets all these criteria. Drop one: only the airHome 400 runs on 115 V, and only the airHome 800 heats down to -30°C.
The room first: what Hitachi publishes, case by case
BedroomQuiet and night modes
29 dB(A) in silent mode on the 9,000 and 12,000 airHome 400, and in the airHome 600 table; 30 dB(A) for the airHome 800. Night modes: GoodSleep on the 400, SleepSense on the 600 and 800.
Large open areaThe only 36,000
Only the airHome 400 goes up to 36,000 BTU/h (33,000 rated cooling), with up to 50 m of line.
Room without a 208-230 V circuitThe only 115 V unit
The 12,000 airHome 400 comes in 115/1/60. Every other wall unit needs a 208-230 V circuit.
Heating in deep coldThe lowest limit
The airHome 800 is certified at -30°C. For the airHome 600, which heats down to -25°C, Hitachi claims 100% capacity down to -15°C; on the basis of Hitachi’s brochure, the 15,000 reaches 83% and the 24,000, 98%.
Rental unitCard key and central control
The airHome 400 catalogue provides a card-key cord (SPX-WDC3) and a distributor that puts up to 13 units on a single wired controller (SPX-DST1).
Every roomThe size is measured
Hitachi publishes no size-per-room rule. We work it out during the visit, from the insulation, the windows and the way the room is used.
02 · In numbers
Cold, efficiency and certificates, series against series.
Hitachi Canada’s “Air Conditioning for Single Room” range holds exactly three wall series: airHome 800, 600 and 400. Here is what sets them apart, row by row, and where each number comes from.
| airHome 400 | airHome 600 | airHome 800 | |
|---|---|---|---|
| Systems in our store | 6 · from 9,000 to 36,000, including a 115 V unit | 5 · from 9,000 to 24,000, including a 15,000 | 4 · from 9,000 to 24,000 |
| Published heating limit | -20.5°C (-5°F) | -25°C (-13°F) | -30°C (-22°F) |
| Coldest certified point (NEEP, maximum) | -20°C · 6,000 to 19,600 BTU/h · COP 1.85 to 2.20 | -25°C · 7,200 to 15,000 BTU/h · COP 1.52 to 1.72 | -30°C · 5,500 to 15,000 BTU/h · COP 0.97 to 1.57 |
| “100%” claimed by Hitachi | Not published | Down to -15°C (5°F) On the basis of Hitachi’s brochure, the 15,000 reaches 83% and the 24,000, 98% | Down to -20°C (-4°F) |
| SEER2 | 18.3 to 20.0 | 20.0 to 23.0 | 21.0 to 26.5 |
| EER2 | 9.5 to 13.0 | 12.5 to 15.0 | 12.5 to 16.1 |
| HSPF2, Region IV | 9.2 to 10.5 | 11.0 to 11.5 | 11.0 to 12.0 |
| Published silent mode | 29 dB(A), 9,000 and 12,000 | 29 dB(A) in the table, 9,000 and 12,000 | 30 dB(A), 9,000 and 12,000 |
| ENERGY STAR Cold Climate (US market) | 4 of 6 | 5 of 5 | 4 of 4 |
| ENERGY STAR Most Efficient (US market) | 4 of 6 | 5 of 5 | 4 of 4 |
| LogisVert | $1,008 to $2,100 · 4 of 6 | $1,128 to $2,004 · 4 of 5 | $1,320 to $1,920 · 3 of 4 |
| Published AirGreen installations | 29 | 25 | 17 |
Floor: airHome 400 and 600 brochures; English Canadian page and 18/24 operation manual of the airHome 800 (one section of the catalogue gives -25°C). “100%”: HeatForce technology, Canadian pages. SEER2, EER2, HSPF2 and cold points: NEEP records by AHRI number, identical to the brochures. ENERGY STAR re-checked Oct. 28, 2026; LogisVert: list read Oct. 14, 2026, amounts recomputed Oct. 28, 2026 from the certificates. Installations as of Oct. 28, 2026. In red: the coldest or highest value of the row (for LogisVert, the largest grant).
03 · All 15
Fifteen certificates in one table, sorted your way.
Sort by LogisVert grant, by certified heat or by efficiency, and isolate one series. Every row leads to the product page.
| System | Rated cooling | Certified heat at -8.3°C | Coldest point (NEEP) | SEER2 · HSPF2 IV | ENERGY STAR | LogisVert |
|---|---|---|---|---|---|---|
| airHome 400 · 9,000 BTU/h RAK-DJ09RHAA + RAC-DJ09WHAA AHRI 216759655 | 9,000 BTU/h | 6,500 BTU/h | -20°C · 6,000 BTU/h COP 2.20 | 20.0 · 9.2 | ENERGY STAR (US market) | Not eligible under 12,000 BTU/h nominal cooling |
| airHome 400 · 12,000 BTU/h RAK-DJ12RHAA + RAC-DJ12WHAA AHRI 216759656 | 12,000 BTU/h | 8,400 BTU/h | -20°C · 8,000 BTU/h COP 1.91 | 19.5 · 9.2 | ENERGY STAR Cold Climate (US market)Most Efficient | $1,008 |
| airHome 400 · 12,000 BTU/h · 115 V RAK-EJ12PHAA + RAC-EJ12WHAA AHRI 216759659 | 12,000 BTU/h | 8,400 BTU/h | -20°C · 8,000 BTU/h COP 1.91 | 19.5 · 9.2 | ENERGY STAR Cold Climate (US market)Most Efficient | $1,008 |
| airHome 400 · 18,000 BTU/h RAK-DJ18RHAA + RAC-DJ18WHAA AHRI 216759657 | 18,000 BTU/h | 13,300 BTU/h | -20°C · 11,400 BTU/h COP 1.85 | 19.5 · 10.5 | ENERGY STAR Cold Climate (US market)Most Efficient | $1,596 |
| airHome 400 · 24,000 BTU/h RAK-DJ24RHAA + RAC-DJ24WHAA AHRI 216759658 | 22,000 BTU/h (24,000 size) | 17,500 BTU/h | -20°C · 14,000 BTU/h COP 1.90 | 18.3 · 10.0 | ENERGY STAR Cold Climate (US market)Most Efficient | $2,100 |
| airHome 400 · 36,000 BTU/h RAK-DJ36PHAA + RAC-DJ36WHAA AHRI 216411300 | 33,000 BTU/h (36,000 size) | 25,200 BTU/h | -20°C · 19,600 BTU/h COP 2.03 | 19.0 · 9.5 | Not on the ENERGY STAR list | Not eligible not on the ENERGY STAR list |
| airHome 600 · 9,000 BTU/h RAK-GJ09PHAA + RAC-GJ09WHAA AHRI 215413018 | 9,000 BTU/h | 7,500 BTU/h | -25°C · 7,200 BTU/h COP 1.57 | 23.0 · 11.4 | ENERGY STAR Cold Climate (US market)Most Efficient | Not eligible under 12,000 BTU/h nominal cooling |
| airHome 600 · 12,000 BTU/h RAK-GJ12PHAA + RAC-GJ12WHAA AHRI 215413019 | 12,000 BTU/h | 9,400 BTU/h | -25°C · 8,800 BTU/h COP 1.52 | 20.0 · 11.1 | ENERGY STAR Cold Climate (US market)Most Efficient | $1,128 |
| airHome 600 · 15,000 BTU/h RAK-GJ15PHAA + RAC-GJ15WHAA AHRI 216618246 | 15,000 BTU/h | 12,600 BTU/h | -25°C · 10,500 BTU/h COP 1.66 | 22.0 · 11.0 | ENERGY STAR Cold Climate (US market)Most Efficient | $1,512 |
| airHome 600 · 18,000 BTU/h RAK-GJ18PHAA + RAC-GJ18WHAA AHRI 215413020 | 18,000 BTU/h | 15,000 BTU/h | -25°C · 12,900 BTU/h COP 1.72 | 20.0 · 11.5 | ENERGY STAR Cold Climate (US market)Most Efficient | $1,800 |
| airHome 600 · 24,000 BTU/h RAK-GJ24PHAA + RAC-GJ24WHAA AHRI 215413021 | 22,000 BTU/h (24,000 size) | 16,700 BTU/h | -25°C · 15,000 BTU/h COP 1.69 | 21.0 · 11.0 | ENERGY STAR Cold Climate (US market)Most Efficient | $2,004 |
| airHome 800 · 9,000 BTU/h RAK-XJ09PHAA + RAC-XJ09WHAA AHRI 215911630 | 9,500 BTU/h (9,000 size) | 8,000 BTU/h | -30°C · 5,500 BTU/h COP 0.97 | 26.5 · 12.0 | ENERGY STAR Cold Climate (US market)Most Efficient | Not eligible under 12,000 BTU/h nominal cooling |
| airHome 800 · 12,000 BTU/h RAK-XJ12PHAA + RAC-XJ12WHAA AHRI 215911631 | 12,500 BTU/h (12,000 size) | 11,000 BTU/h | -30°C · 6,000 BTU/h COP 1.06 | 25.0 · 11.5 | ENERGY STAR Cold Climate (US market)Most Efficient | $1,320 |
| airHome 800 · 18,000 BTU/h RAK-XJ18PHAA + RAC-XJ18WHAA AHRI 215911632 | 18,000 BTU/h | 16,000 BTU/h | -30°C · 12,960 BTU/h COP 1.52 | 21.5 · 11.5 | ENERGY STAR Cold Climate (US market)Most Efficient | $1,920 |
| airHome 800 · 24,000 BTU/h RAK-XJ24PHAA + RAC-XJ24WHAA AHRI 216011944 | 22,000 BTU/h per Hitachi’s brochure, 24,000 BTU/h per NEEP and ENERGY STAR | 16,000 BTU/h | -30°C · 15,000 BTU/h COP 1.57 | 21.0 · 11.0 | ENERGY STAR Cold Climate (US market)Most Efficient | $1,920 |
Certified heat at -8.3°C (17°F): NEEP rated capacity, the figure ENERGY STAR repeats and Hydro-Québec reads, writing it -8°C. Coldest point: NEEP-certified maximum capacity and its COP; a COP of 2 gives 2 kWh of heat for 1 kWh of electricity. NEEP and ENERGY STAR records re-checked Oct. 28, 2026; LogisVert: list read Oct. 14, 2026, amounts recomputed Oct. 28, 2026 from the certificates.
The size name is not always the output
Our titles follow the size name. Hitachi prints the rated cooling output: 22,000 BTU/h for the “24,000” airHome 400 and 600, 33,000 BTU/h for the “36,000” airHome 400, 9,500 and 12,500 BTU/h for the “9,000” and “12,000” airHome 800. For the “24,000” airHome 800 the sources differ: 22,000 BTU/h per Hitachi’s brochure, 24,000 BTU/h per NEEP and ENERGY STAR.
04 · Montréal winter
Three heating limits against Montréal-Trudeau’s nights.
Slide the temperature: each series shows whether it still heats, and the box gives the number of nights a year Montréal-Trudeau went below that mark, from 1981 to 2010.
-20°C
Montréal-Trudeau, 1981-2010: milder than -10°C, the first threshold of the normals; 62.9 nights a year go lower.62.9 nights a year have a low below -10°C, 21.45 of them in January.between 14.26 and 62.9 nights a year (the normals give no threshold in between).14.26 nights a year have a low below -20°C, 7.59 of them in January.between 0.27 and 14.26 nights a year (the normals give no threshold in between).0.27 nights a year have a low below -30°C: a little over one night every four years.fewer than 0.27 nights a year: colder than the last threshold of the normals.
airHome 400
airHome 600Per Hitachi’s brochure, the 15,000 reaches 83% and the 24,000, 98%.
airHome 800
Floors published by Hitachi: -20.5°C (airHome 400 brochure), -25°C (airHome 600 brochure), -30°C (English Canadian page and 18/24 operation manual of the airHome 800). “100%” thresholds: HeatForce, Canadian airHome 600 (-15°C) and 800 (-20°C) pages. Nights: 1981-2010 climate normals, Montréal-Trudeau, Environment and Climate Change Canada; the station is at the airport, and Laval and the North Shore can be colder. The pairing is ours.
airHome 40014.26 nights a year below -20°C
That is the coldest point NEEP certifies for the airHome 400, half a degree above the -20.5°C floor Hitachi publishes.
airHome 600-14.04°C, the January average low
Hitachi claims 100% heating capacity for the airHome 600 down to -15°C, one degree lower; on the basis of Hitachi’s brochure, the 15,000 reaches 83% and the 24,000, 98%. The airHome 600 page works it out size by size.
airHome 8000.27 nights a year below -30°C
The airHome 800’s certified floor. Its “100%” threshold, -20°C, is crossed 14.26 nights a year.
05 · Equipment
FrostWash, filters, Wi-Fi: what each series adds.
The three series share R-32 refrigerant, the PM2.5 activated carbon filter, the optional SPX-URFG1 wired controller and cooling up to 46°C outside. The rest changes, and Hitachi does not document everything for every series: “not published” says so.
| airHome 400 | airHome 600 | airHome 800 | |
|---|---|---|---|
| FrostWash | Indoor coil | FrostWash 3.0 on the indoor coil, FrostWash on the outdoor unit | FrostWash 3.0 on the indoor coil, FrostWash on the outdoor unit |
| Reverse outdoor fan (DuraSpin) | Not published | Yes | Yes |
| Mold Guard | About 60 min after shutdown, coil at 50°C | About 60 min after shutdown, coil at 50°C | Mold Guard 2.0, while the unit is off |
| Filters | Stainless pre-filter, PM2.5 activated carbon, up to 99% | Stainless pre-filter, PM2.5 activated carbon, 99% in the JEM1467 test | Stainless pre-filter, PM2.5 activated carbon, up to 99.0%, VOCs up to 78% |
| Presence sensor (Smart Eco) | Not published | Yes | Yes |
| Base pan heater | Not mentioned by Hitachi | Standard | Built in |
| Wi-Fi airCloud Go | SPX-WFG03 adapter optional, sold separately | Adapter included | SPX-WFG03 adapter included, hidden in the unit |
| Third-party 5-wire thermostat | Yes, without FrostWash | Yes, without Smart Eco or FrostWash | Not published |
| Wired wall controller | SPX-URFG1 | SPX-URFG1 | SPX-URFG1 |
| Filter cleaning | Interval not published, reminder light | Every 2 weeks | Every 2 weeks |
| Dehumidification (Dry mode) | 1.1 L/h (9,000) to 5.31 L/h (36,000) | 1.71 L/h (9,000) to 4.0 L/h (24,000) | Up to 4.5 L/h (24,000) |
Sources: Canadian airHome 400, 600 and 800 pages; brochures; technical catalogues (SPX-URFG1 and the H-LINK PSC-6RAD adapter in all three); 600 and 800 operation manuals (filter). Dehumidification: Hitachi brochures, values of the smallest and the largest size; for the airHome 800 the brochure gives the 24,000 only.
06 · LogisVert
11 of 15 wall units eligible, from $1,008 to $2,100, and the largest grant goes to an airHome 400.
Hydro-Québec pays $120 per 1,000 BTU/h of heat certified at -8°C for an ENERGY STAR certified unit classified “cold climate”. The 24,000 airHome 400 is certified at 17,500, more than the 24,000 airHome 600 (16,700) and the 18,000 and 24,000 airHome 800 (16,000 each): hence its $2,100.
airHome 400 · 24,000$2,100
airHome 600 · 24,000$2,004
airHome 800 · 18,000$1,920
airHome 800 · 24,000$1,920
airHome 600 · 18,000$1,800
airHome 400 · 18,000$1,596
airHome 600 · 15,000$1,512
airHome 800 · 12,000$1,320
airHome 600 · 12,000$1,128
airHome 400 · 12,000$1,008
airHome 400 · 12,000 · 115 V$1,008
airHome 400 · 9,000under 12,000 BTU/h nominal cooling$0
airHome 400 · 36,000not on the ENERGY STAR list$0
airHome 600 · 9,000under 12,000 BTU/h nominal cooling$0
airHome 800 · 9,000under 12,000 BTU/h nominal cooling$0
All our 12,000 to 24,000 BTU/h airHome units are listed as “cold climate” in the ENERGY STAR list (US market) and receive LogisVert’s cold-climate rate. The 9,000 units are under the 12,000 BTU/h nominal minimum; the 36,000 airHome 400 is not on the ENERGY STAR list. Hydro-Québec: list read Oct. 14, 2026, amounts recomputed Oct. 28, 2026 from the certificates. Full LogisVert rules (eligibility, deadlines, documents): our LogisVert page.
07 · Our installations
72 published wall installations, and not one airHome 600 on the island of Montréal.
Every article shows a real installation, with its city or borough. Sorted by territory, the places draw three very different maps: the island for the airHome 400, the North and South Shores for the airHome 600, Laval for the airHome 800.
airHome 40029
airHome 60025
airHome 80017
Series not named1
Articles on our projects blog published as of Oct. 28, 2026.
| Territory | airHome 400 | airHome 600 | airHome 800 |
|---|---|---|---|
| Island of Montréal | 25 | 0 | 5 |
| Laval | 0 | 0 | 9 |
| South Shore | 1 | 17 | 2 |
| North Shore | 3 | 8 | 0 |
| Vaudreuil-Dorion | 0 | 0 | 1 |
| Total published | 29 | 25 | 17 |
Places from the titles published as of Oct. 28, 2026; grouping by territory: ours. In red: each series’ most frequent territory.
08 · Frequently asked questions
Your questions about the three series, answered.
It depends on the unit’s role. Hitachi publishes a heating floor of -20.5°C for the airHome 400, -25°C for the airHome 600 and -30°C for the airHome 800. At Montréal-Trudeau, 14.26 nights a year went below -20°C and 0.27 below -30°C (1981-2010 normals). The chooser at the top of the page does a first sort; we confirm during the visit, based on the room’s heating needs.
“24,000” is the size name. Hitachi prints 22,000 BTU/h of rated cooling output for the 24,000 airHome 400 and 600, and NEEP certifies the same figure. For the 24,000 airHome 800, the brochure says 22,000 BTU/h and the NEEP and ENERGY STAR certificates say 24,000 BTU/h.
The LogisVert guide requires an outdoor unit of at least 12,000 BTU/h nominal cooling. The three 9,000 units are under that mark, the airHome 800 one included, certified at 9,500 BTU/h.
Because the grant follows the heat certified at -8°C, not the series’ standing: 17,500 BTU/h for the airHome 400, 16,700 BTU/h for the airHome 600, 16,000 BTU/h for the airHome 800. At the cold-climate rate of $120 per 1,000 BTU/h, that gives $2,100, $2,004 and $1,920.
The ENERGY STAR list registers the 14 airHome wall units concerned for the US market. Hydro-Québec’s LogisVert tool, which relies on that list, included them as of Oct. 14, 2026: that is what counts for the grant. The 36,000 airHome 400 is not on the list.
In silent mode, Hitachi publishes 29 dB(A) for the 9,000 and 12,000 airHome 400, 30 dB(A) for the airHome 800 ones, and the airHome 600 table also shows 29 dB(A) at the lowest speed for its 9,000 and 12,000. At their lowest, sizes of 15,000 and up sit between 32 and 38 dB(A). Each series page details the sound speed by speed.
Only one: the 12,000 BTU/h airHome 400 (RAK-EJ12PHAA + RAC-EJ12WHAA), on 115/1/60, MCA 18 A and MOP 30 A. NEEP certifies it at 8,400 BTU/h at -8.3°C, hence $1,008 in LogisVert, with a maximum of 11,700 BTU/h at that temperature. We check your electrical panel during the visit.
Hitachi declares the airHome 400 RAK-DJ…RHAA heads compatible with its single-zone and airHome Multi systems. The other multi-zone wall heads are separate products: airHome 450 (RAK-DJ-QHAA) and airHome 650 (RAK-GJ-QHAA). Our multi-zone page shows the combinations.
Hitachi and AirGreen warranties: explained once for the whole brand, on the HITACHI page.
No question matches. Call us at 514 316-2973.
AirGreen · Air conditioning & heating
Three series, fifteen wall units: the visit settles it.
We look at the room, the line set route and your electrical panel, then propose a series and a size, with the AHRI number and the indicative LogisVert amount on the quotation.
Hydro-Québec never solicits anyone by phone or door to door for LogisVert. If someone calls “on behalf of Hydro-Québec” to sell you a heat pump, hang up.
Monday to Thursday 8 a.m. to 6 p.m. · Friday 8 a.m. to 4 p.m.
RBQ 5645-9605-01Subclasses 15.8, 15.10 and 16
Free estimateAt home, no obligation
6 years all-inclusiveParts, labour and travel, installations since Oct. 5, 2026
Showroom1370 Joliot-Curie Street, Suite 712, Boucherville
×09 · The HITACHI space
One series in mind: go further.
Sources, with the date we read them
- Hitachi Cooling & Heating Canada, “Air Conditioning for Single Room” range and documentation portal (“for NA” families), read Oct. 14, 2026.
- Hitachi Cooling & Heating Canada, airHome 400 page (hitachiaircon.com/ca), read Oct. 14, 2026.
- Hitachi Cooling & Heating Canada, airHome 600 pages (EN and FR, “For Contractors” tab included), read Oct. 14, 2026.
- Hitachi Cooling & Heating Canada, airHome 800 page (EN), read Oct. 14, 2026.
- Hitachi, airHome 400 brochures (EN “January 2025_CA”, FR “December 2024_CA”), AirGreen copies, read Oct. 14, 2026.
- Hitachi, airHome 600 brochures (EN “March 2025_CA”, FR “December 2024_CA”), AirGreen copies, read Oct. 14, 2026.
- Hitachi, airHome 800 brochures (EN “December 2024_CA” and FR), AirGreen copies, read Oct. 14, 2026.
- Hitachi, “TECHNICAL CATALOGUE 400 MODELS” (TC_NA airHome400 (2024)-00), RAK-DJ09 to DJ24, read Oct. 14, 2026.
- Hitachi, airHome 600 technical catalogue (“MODELS 600”, RAK/RAC-GJ09 to 24), read Oct. 14, 2026.
- Hitachi, “TECHNICAL CATALOGUE 800” (RAK/RAC-XJ09 to 24), read Oct. 14, 2026.
- Hitachi, installation manuals RAK/RAC-GJ09 (IA2689 A), GJ12 (IA2691 A), GJ15 (IA2695 A), RAK-GJ18PHAA (IA2677 A), RAK-GJ24PHAA (IA2679 A) and operation manual RAK-GJ09/12PHAA (H1245 C), read Oct. 14, 2026.
- Hitachi, installation manuals RAK-XJ09/12 (IA2693 A), RAK-XJ18/24 (IA2681 A), RAC-XJ18/24WHAA (EE0024169C rev.0, 10/2024) and operation manuals XJ09/12 (H1247 C) and XJ18/24 (H1244 B), read Oct. 14, 2026.
- NEEP, Cold Climate Air Source Heat Pump List (ashp.neep.org), records by AHRI number, read Oct. 14, 2026 and re-checked Oct. 28, 2026.
- ENERGY STAR, Certified Air-Source Heat Pumps (dataset w7cv-9xjt), read Oct. 14, 2026 and re-checked Oct. 28, 2026. For airHome units, the “markets” field lists the United States.
- Hydro-Québec, LogisVert eligible heat pump search tool (homeowner list), read Oct. 14, 2026; amounts recomputed Oct. 28, 2026 from the ENERGY STAR and NEEP certificates, at the rate of LogisVert guide v1.10.
- Hydro-Québec, residential LogisVert participant’s guide, version 1.10, September 15, 2026.
- Environment and Climate Change Canada, 1981-2010 climate normals, Montréal-Trudeau (station 7025250).
- AirGreen, titles of the Hitachi articles on our projects blog published as of Oct. 28, 2026 (places by series).
LogisVert amounts are indicative: the invoice must show the AHRI or ENERGY STAR number, and Hydro-Québec confirms eligibility and the amount when it processes the claim. Price on quotation.