AirGreenDIRECT AIR

The DIRECT AIR space at AirGreenSold and installed by AirGreen

DIRECT AIR × AirGreen · Wall heat pump

Heat Xtreme Pro R-410A: at least 100% of its rated capacity, certified at −15 °C.

It comes in 5 sizes, from 6,000 to 24,000 BTU/h. The Direct Air brochure states operation down to −35 °C; the figures published by ENERGY STAR and NEEP stop at −15 °C. At that temperature, every size delivers at least its rated capacity.

Heat Xtreme Pro
100–125%of rated capacity, delivered at −15 °C
21.5–28.1SEER2 (ENERGY STAR)
10.4–13.6HSPF2, region IV
$1,200–2,544LogisVert, 12,000 to 24,000 BTU/h
10 yearson the compressor, residential (brochure)
Spec plate

Every size, point by point.

Identity, heating at the three test temperatures, seasonal efficiency, installation and LogisVert amount. “Not published”: Direct Air does not give the figure.

Outdoor unit
DIRM-12HXPRO28-1Z
Indoor unit
DIRM-12HP-WM
AHRI system
207743725
ENERGY STAR
2473924 · 2026-06-29
HeatingRatedMaximumRated COP
8.3 °C (47 °F)12,000 BTU/h15,6133.86
−8.3 °C (17 °F)10,000 BTU/h13,1122.40
−15 °C (5 °F)12,000 BTU/h12,0001.80
Below −15 °Cno point listed by NEEP; stated range down to −35 °C (brochure)
SEER225.5
EER214.0
HSPF2 region IV10.4
HSPF2 region V8.0
Cooling at 35 °C12,000 · max 14,146 BTU/h
LogisVert$1,200 Oct. 14, 2026 list
Power supply208/230 V, 1 ph, 60 Hz
Max. breaker15 A
Line set (in.)1/4 · 1/2
Max. length · rise25 m · 10 m
R-410A charge1,180 g
Outdoor sound56 dB(A)
Outdoor, W × D × H805 × 330 × 554 mm · 33.4 kg
Indoor, W × D × H795 × 225 × 295 mm · 10.4 kg
Not publishedMCA, pre-charged length, indoor sound, clearances
R-410A · R-454B

Against its R-454B twin, same size.

Both Heat Xtreme Pro versions are available. The R-454B adds a point listed at −30 °C; the R-410A keeps a published warranty.

12,000 BTU/hHeat Xtreme Pro R-410AHeat Xtreme Pro R-454B
At −15 °C, rated (COP)12,000 (1.80)11,500 (1.80)
Share of rated capacity at −15 °C100%96%
Coldest point listed by NEEP−15 °C: 12,000 BTU/h max−30 °C: 5,900 BTU/h max (COP 1.25)
SEER225.525.4
HSPF2 region V8.08.0
LogisVert$1,200$1,440
Refrigerant (GWP)R-410A (2,088)R-454B (470)
Outdoor unitDIRM-12HXPRO28-1ZDIRM4-12HXPRO28-1Z
Published warranty10 years compressor, 5 years parts and labournot published

Same head as the DA25: at equal size, the Heat Xtreme Pro outdoor unit changes the cold-weather figures. See the comparison on the wall-units page.

−35 °C

−35 °C on the logo, −15 °C with NEEP: both are published.

What the brochure says

−35 °C

Published heating range: −35 to 30 °C. Cooling: −30 to 50 °C. This is the range the unit is designed to run in.

Heat Xtreme Pro brochure, July 2022.

What NEEP lists

−15 °C

Coldest point listed with NEEP for these five systems: 5 °F (−15 °C), where each delivers 100 to 125% of its rated capacity (ENERGY STAR rated). No figure is published below that.

NEEP and ENERGY STAR, read October 14, 2026 and rechecked October 26, 2026.

−13.5 °Caverage January daily low at Montréal-Trudeau: above the listed point
12 nightsbelow −20 °C per year: the range only the brochure covers
−31.8 °Ccoldest of 1991–2020, still inside the published range
4,281heating degree-days (below 18 °C) per year

ECCC, Climate Normals 1991–2020, Montréal-Trudeau (7025250). Montreal’s winter against the five wall series.

Warranty and documents

The warranty, as the brochure writes it.

InstallationCompressorPartsLabour
Residential10 years5 years5 years
Commercial5 years1 yearnot stated

Direct Air documents

Direct Air offers an online warranty registration form; it states no deadline or condition. The terms shown come from the July 2022 brochure (R-410A models).

Questions

What people ask us, and what the sources say.

What is the DIRM-12HXPRO28-1Z?

It is the outdoor unit of the 12,000 BTU/h Heat Xtreme Pro R-410A. Paired with the DIRM-12HP-WM wall head, it forms AHRI system 207743725: 12,000 BTU/h certified at −15 °C (COP 1.80), SEER2 25.5, LogisVert $1,200 on the October 14, 2026 list.

Does the Heat Xtreme Pro really work at −35 °C?

The Direct Air brochure (July 2022) gives a heating range of −35 to 30 °C. The figures published by NEEP and ENERGY STAR for this R-410A version stop at −15 °C. Between −15 and −35 °C the unit is designed to run, but no capacity figure is published.

R-410A or R-454B: which one?

The R-454B adds a point listed at −30 °C and a refrigerant with a GWP of 470 (versus 2,088). The R-410A has a published warranty (10 years compressor, 5 years parts and labour) and a slightly higher SEER2 at every size. At −15 °C both deliver at least 96% of their rated capacity. The size-by-size comparison is above.

What is the Heat Xtreme Pro R-410A warranty?

According to the July 2022 Direct Air brochure: residential, 10 years on the compressor, 5 years on parts and 5 years on labour; commercial, 5 years on the compressor and 1 year on parts. Direct Air offers an online registration form, with no published deadline.

Is Wi-Fi included?

The brochure lists Wi-Fi as an option. If you want it, we list it on the quote.

Do the 6,000 and 9,000 BTU/h sizes qualify for LogisVert?

No: LogisVert requires a rated cooling capacity of at least 12,000 BTU/h. For the Heat Xtreme Pro R-410A, the amounts on the October 14, 2026 list range from $1,200 (12,000) to $2,544 (24,000).

AirGreen × DIRECT AIR

Your Heat Xtreme Pro, sized for the room and installed by AirGreen.

We check the line length, the breaker and the room’s need before suggesting a size: the quote shows the AHRI number and the indicative LogisVert amount.

Sold and installed by AirGreen · RBQ 5645-9605-01

Sources, checked on October 26, 2026

  1. NEEP listings for AHRI systems 207743723 to 207743727 and 216571371 to 216571375, read October 14, 2026 and rechecked October 26, 2026.
  2. ENERGY STAR, Certified Air-Source Heat Pumps (data.energystar.gov, dataset w7cv-9xjt), Canadian market, read October 14, 2026 and rechecked October 26, 2026.
  3. Hydro-Québec, LogisVert list of October 14, 2026; guide v1.10 of September 15, 2026.
  4. Direct Air Heat Xtreme Pro brochure, French and English, printed July 2022 (in our files).
  5. Heat Xtreme Pro logotype: official file from directairhvac.com (February 2024 version).
  6. ECCC, Climate Normals 1991–2020, Montréal-Trudeau (7025250).

LogisVert amounts are indicative: Hydro-Québec confirms them when you apply. Prices on quote. Page updated October 26, 2026.