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Hitachi in Montreal: 400, 600 or 800, depending on your winter
At Hitachi, the number on the wall unit tells you how cold it can go: -20.5°C for the airHome 400, -25°C for the airHome 600, -30°C for the airHome 800. All three clean themselves with FrostWash. We pick the series, the size and the LogisVert amount with you, then install it anywhere in Montreal, Laval, Longueuil, the South Shore and the North Shore.
R-32The number goes up, the cold goes down.
Lowest outdoor temperature at which each airHome still heats, according to Hitachi. Tap a series.
“100%”: the unit keeps its full heating power down to that temperature (HeatForce technology). Source: hitachiaircon.com, Canada, checked October 6, 2026.
Hitachi technology, a local team.
HITACHI designs the heat pump. AirGreen picks it with you, installs it and registers it. Each does what it does best.
What HITACHI brings
- 400, 600 or 800The number tells you how far down the wall unit heats: down to -30 °C for the airHome 800, according to Hitachi.
- FrostWashThe wall unit washes itself, with ice.
- Up to 10 yearsParts and compressor, unit registered within 60 days.
- From one bedroom to the whole houseairHome wall units, airHome Multi multi-zone, airCore 700 central.
What AirGreen brings
- Sold and installed by AirGreenIn Montreal, Laval, Longueuil, the South Shore and the North Shore.
- Free home estimateWe measure the rooms, the insulation and the line set route.
- 6 years all-inclusiveParts, labour and travel, by AirGreen.
- RBQ 5645-9605-01Subclasses 15.8, 15.10 and 16.
The result: the right Hitachi, chosen with you, installed and registered by AirGreen.
Same size, three levels. Here is what the number changes.
Pick a size: the three wall units side by side, with ENERGY STAR certified figures and the LogisVert amount confirmed by Hydro-Québec. Green marks the best value in each row.

airHome 400
The essential · 12,000 BTU/h
airHome 600
The middle · 12,000 BTU/h
airHome 800
The top of the line · 12,000 BTU/hHeat at -8°C and -15°C: ENERGY STAR certified capacities at 17°F and 5°F (dataset w7cv-9xjt), from the product’s AHRI number. LogisVert: Hydro-Québec search tool, installation as of October 6, 2026.
How much heat is left when the thermometer drops.
Three curves, one size: certified heat at 8°C, -8°C and -15°C. Slide the temperature: the right-hand column shows which units still heat, and which keep 100% of their power.
The 100% comes from Hitachi (HeatForce); the chart points come from ENERGY STAR. They don’t measure the same thing: the chart shows certified heat, not maximum power.
A wall unit that washes itself, with ice.
A wall unit’s coil collects dust and mould, and the airflow drops. Hitachi cleans it by freezing it, then thawing it: one button on the remote. Tap each step.
According to Hitachi. On the airHome 800, FrostWash 3.0 removes 95% of mould and 99% of bacteria from the coil (manufacturer tests).
| What keeps the air clean | 400 | 600 | 800 |
|---|---|---|---|
| FrostWash, indoor coil | Yes | Yes, 3.0 | Yes, 3.0 |
| FrostWash, outdoor unit | Not specified | Yes | Yes, + reverse fan |
| PM2.5 activated carbon filter | Yes | Yes | Yes |
| Stainless steel pre-filter | Not specified | Yes | Yes, antimicrobial |
| Mold Guard (drying after use) | Not specified | Yes | Yes, 2.0 |
| airCloud Go app | Optional adapter | Adapter included | Adapter included, built in |
“Not specified”: Hitachi’s Canadian page doesn’t mention it for that series. PM2.5 filter: captures 99% of fine particles according to Hitachi’s tests (JEM1467 standard).
One outdoor unit for 2 to 5 rooms. And the 24,000 gets more LogisVert than the 36,000.
Only the RAM-G24N3 compressor is ENERGY STAR “cold climate” certified: it gets $120 per 1,000 BTU/h at -8°C, the others $50. Tell us how many rooms: we show the compressors that fit, from the most generous to the least.
Heats down to -20°C according to Hitachi (all Multi compressors). The LogisVert amount is per system (the compressor), never per head. Price on quotation.




The multi-zone systems in our store come with wall heads. Mini-cassette, floor console and slim ducted heads connect to the same compressors: we combine them on quotation.
Your existing ducts, a heat pump that heats down to -25°C.
The airCore 700 replaces central air conditioning and heats the house through the ducts: a PAS outdoor unit and a JPE indoor unit in place of the furnace. It also carries the brand’s largest LogisVert amount.
PAS outdoor
JPE indoorEvery airCore 700 indoor unit has FrostWash. Cooling down to -18°C outside; static pressure from 0.3 to 0.8 in. w.c. for difficult ductwork.
airCore 700 · 3 tons (36,000 BTU/h)
PAS-36BLFASDQ1 + JPE36B3XD2HS1A · AHRI 216439113
45 Hitachi products, from one bedroom to the whole house.



HITACHI ceiling cassette
Mini-cassettes recessed in the ceiling, heads of the Multi system.
The Hitachi catalogue, by type
Active products on airgreen.ca as of October 6, 2026. Cassettes, consoles and ducted units are heads of the airHome Multi system.
From $745 to $4,200 per Hitachi system. Every amount checked with Hydro-Québec.
We ran every AHRI number on our Hitachi product pages through Hydro-Québec’s official tool. Tap a system to see the math and the deadline for your claim.
9,000 BTU/h wall units are not eligible: LogisVert requires an outdoor unit of at least 12,000 BTU/h nominal.
RAC-XJ18WHAA + RAK-XJ18PHAA
July 6, 2027
Since November 26, 2025, only ENERGY STAR certified units qualify for the grant.
The claim must be filed within 9 months of installation.
The grant never exceeds 100% of the purchase and installation cost before taxes.
Hydro-Québec confirms the amount with the AHRI number of the installed combination.
Source: Hydro-Québec, LogisVert participation guide v1.10 (September 15, 2026) and eligible heat pump search tool, checked October 6, 2026. Indicative amounts, confirmed by Hydro-Québec when you claim. Our LogisVert guide
Up to 10 years on parts and compressor, if the unit is registered on time.
The Hitachi warranty goes from 7 years on the compressor and 5 years on parts to 10 years on both when the unit is registered online within 60 days of installation. At AirGreen, we do it for you. And since October 5, 2026, your new heat pump installed by AirGreen is also covered for 6 years, parts, labour and travel included.
on the compressor and on parts, unit registered within 60 days
Manufacturer’s limited warranty, residential installations. Labour: AirGreen 6-year warranty, with one professional maintenance a year.
Extended warranty at no charge for residential installations, if registration is done within 60 days. We take care of it.
Installed by a company holding an RBQ licence: 5645-9605-01.
Since October 5, 2026, AirGreen covers your new heat pump for 6 years, parts, labour and travel included, with one professional maintenance a year as the condition.
We measure the rooms, the insulation and the line set route.
The series, the size, the AHRI number and the indicative LogisVert amount.
Vacuum, refrigerant charge, heating and cooling tests.
We register your unit with Hitachi within 60 days.
Source: Hitachi Cooling & Heating Canada, “Warranties & Training” page, checked October 6, 2026 (mini-split system warranties). AirGreen Warranty of October 5, 2026: 6 years, parts, labour and travel (Quebec Consumer Protection Act, s. 38.1 to 38.9).
Hitachi, on video.
The three airHome units, the airCore 700 central system and FrostWash in action.
102 published Hitachi installations, almost all since summer 2026.
Each article on our blog shows a real installation: the unit, the place, how it was installed. Montreal leads, with Longueuil and the South Shore close behind. Tap a region.
Montréal-Est 3 · Anjou 3 · Outremont…
Pin: our showroom in Boucherville.
Articles published per month, 2026
October: as of October 6.
By installation type
By series






What people ask us about Hitachi.
The airHome 800: it heats down to -30°C and keeps 100% of its power down to -20°C, according to Hitachi. The airHome 600 heats down to -25°C (100% down to -15°C), the airHome 400 down to -20.5°C. The Multi systems heat down to -20°C and the airCore 700 down to -25°C.
Your Hitachi, chosen with you, installed and registered by AirGreen.
We visit the house, choose the level and the size with you, and give you a clear quotation with the AHRI number and the indicative LogisVert amount.
Hydro-Québec never solicits anyone by phone or door to door for LogisVert. A call “from Hydro-Québec” selling a heat pump: hang up.
Sources checked October 6, 2026
- Hitachi Cooling & Heating Canada, airHome 400, airHome 600, airHome 800 and airCore 700 pages (FR and EN) — hitachiaircon.com/ca, checked October 6, 2026.
- Hitachi Cooling & Heating Canada, “Warranties & Training” (mini-split system warranties), checked October 6, 2026.
- Hitachi airHome Multi (RAM-G, Nov. 2024) and airHome 600 / 800 (Dec. 2025) submittal sheets.
- ENERGY STAR, Certified Air-Source Heat Pumps, dataset w7cv-9xjt, data as of October 6, 2026 (AHRI numbers of the Hitachi products).
- Hydro-Québec, residential LogisVert participation guide, version 1.10, September 15, 2026.
- Hydro-Québec, eligible heat pump search tool (search by AHRI number), checked October 6, 2026.
- AirGreen, “Nos réalisations” blog, articles published as of October 6, 2026.
- airgreen.ca product pages (metafields), October 6, 2026.
LogisVert amounts are indicative: Hydro-Québec confirms them when you claim. Price on quotation.
Every HITACHI product we carry, right below.
Wall units, multi-zone, central, cassettes, ducted, consoles: filter by type, capacity or series, then compare the product pages.
