Model page, single-zone universal
Mitsubishi SUZ
Mitsubishi’s universal single-zone line — one outdoor unit that pairs with a ducted air handler or a wall unit, so the same condenser can be a ducted system or a ductless one, and the rebate math follows the indoor unit on the quote. The hyper-heating HZ models hold 100% of rated heating capacity at 5F and publish a figure at their -13F floor. The standard models stop at -4F, and one letter of suffix is the difference.
The unit and the cold numbers
100%
Of rated heating capacity at 5F on the hyper-heating HZ models, per Mitsubishi’s submittal sheet
-13F
The HZ models’ heating floor — the standard SUZ-NL models are rated only to -4F and are not cold-climate units
First, a naming correction your quote may already have taught you: SUZ-NL and SUZ-NLHZ are series names, not model numbers. The current R-454B units run SUZ-AA09NL through SUZ-AK60NL, and the hyper-heating versions add the HZ suffix — SUZ-AA12NLHZ and so on; the previous R-410A generation is written SUZ-KA12NAHZ.TH. “SUZ” itself is the universal outdoor unit: it pairs 1-to-1 with seven indoor types, three of them genuinely ducted (the SEZ low-static, PEAD mid-static and SVZ multi-position air handlers) and the rest ductless cassettes or wall units. A SUZ with the SVZ air handler is a real ducted split; a SUZ with a wall unit is a ductless mini-split wearing the same condenser. Which one is on your quote decides which rebate tiers it can reach.
100%
5F
A mild fall day — of rated heating capacity on the hyper-heating HZ models, per Mitsubishi’s H2i claim and its US submittal sheet. The fine print matters: the 12,000 BTU/h HZ system holds 15,000 BTU/h at 5F — all of its 47F rated capacity, but 83% of the 18,000 BTU/h maximum it reaches in mild air.
>76%
-13F
The cold snap you fear, and the HZ models’ operating floor — of rated heating capacity survives there, per the bullet printed on Mitsubishi’s own submittal sheet — the only unit in our guide with a published capacity figure at its own floor. Mitsubishi guarantees heating operation to -13F on the HZ models; the standard SUZ-NL line is rated only to -4F and cuts out at -14F.
Efficiency, for the verified ducted pairing (the SUZ-KA12NAHZ condenser with the SVZ-KP12NA air handler): 20.0 SEER2, 13.9 EER2 and 9.5 HSPF2, with a COP of 3.8 at 47F falling to 2.6 at 17F and 1.69 at 5F at maximum capacity. Those last two COP figures matter on the Minnesota row below.
Source: Mitsubishi Electric, US submittal sheet — SVZ-KP12NA air handler with SUZ-KA12NAHZ condenser (PDF). Checked on October 10, 2026.
Two honesty notes. First, “100% at 5F” is Mitsubishi’s grammar too: the 15,000 BTU/h the 12,000 BTU/h HZ system holds at 5F is 100% of its 47F rated capacity, not of the 18,000 BTU/h maximum it reaches in mild air — the same rated-versus-maximum distinction we flagged on the Bosch page. Second, the “greater than 76%” figure at -13F is printed on a submittal for a cassette pairing of the same condenser, not the ducted one. And one warning this page exists to carry: a SUZ quote without the HZ suffix is a different machine — Mitsubishi rates the standard SUZ-NL line to -4F and says it cuts out at -14F. Check the suffix on your quote before you count on any cold-climate rebate.
Source: Mitsubishi Electric, US submittal sheet — MLZ cassette pairing, “greater than 76% heating capacity at -13F” (PDF). Checked on October 10, 2026.
What the states pay for it
A rebate never attaches to a model name alone — it attaches to a unit on a program’s list, installed to the program’s rules. For this line, the indoor unit on the quote decides the tier, and one state’s cold-climate gate this unit does not clear on paper. Here is every program we checked, what it pays, and honestly where this model’s qualification is confirmed and where it is not.
$3,000 to $9,000 for the whole system, if it is a whole-home ducted job
Rebate program open; unit list status unverified
Maine — Efficiency Maine, ducted whole-home rebate
Efficiency Maine’s ducted tier pays $3,000 for the system at any income, $6,000 moderate income, $9,000 low income, with a $500 limited-time bonus on jobs completed through December 31, 2026. The conditions are strict: the ducted system must carry 100% of the home’s peak heating load, and in an existing home the old furnace or boiler comes out as part of the job. One honest caution about this unit: the SUZ is a single-zone system for one space or a small home, and nothing in Mitsubishi’s own copy positions it as a whole-home furnace replacement — a SUZ-only ducted system carrying a full peak load is plausible for a small, well-sealed house and a stretch for anything larger. And if your quote pairs the SUZ with a wall unit instead of a ducted air handler, it is a ductless install and earns the smaller ductless tiers on our Maine page instead ($1,000 to $3,000). The unit must also be on Efficiency Maine’s rebate-eligible list, which would not open when we checked, so confirmation rests on program rules.
The full Maine rules — income tiers, the ductless comparison and the December deadlines behind this money — are on our Maine rebate page.
A separate Efficiency Maine program pays $13,900 toward a ducted system for income-eligible owners of single-wide mobile homes — the homeowner pays $1,000 — with pre-approval required and claims by December 31, 2026.
Source: Efficiency Maine, residential ducted heat pump rebates. Checked on October 10, 2026.
$0 likely, unless newer paperwork says otherwise
Likely not eligible, as printed on Mitsubishi’s own submittal
Minnesota — Xcel Energy, cold-climate ducted heat pump
Xcel’s ducted cold-climate rebate pays $2,000 for Combo or natural-gas customers ($1,500 electric-only) and requires 15.2 SEER2, 10.0 EER2 and 8.1 HSPF2 — plus, for a cold-climate unit, a heating COP of at least 1.75 at 5F and a spot on the NEEP cold-climate list. The ratings clear: the verified ducted pairing shows 20.0 SEER2, 13.9 EER2 and 9.5 HSPF2. But the same Mitsubishi submittal prints a COP at 5F of 1.69 at maximum capacity — below the 1.75 Xcel requires. So this is the first unit in our guide that misses a state’s cold-climate test on paper, by the manufacturer’s own numbers — likely not eligible, though a newer submittal or a different listing could change that. If a quote shows a SUZ with Xcel’s $2,000 rebate attached, ask the installer to show the qualifying listing in writing before you count the money.
Source: Xcel Energy, Minnesota residential rebate summary (PDF). Checked on October 10, 2026.
$1,200 instant discount for systems up to 2 tons
Open at participating distributors; unit list status unverified
Vermont — Efficiency Vermont, centrally ducted heat pump
An instant discount at participating distributors: the money comes off the invoice before you pay, so there is no check and nothing to file — if your quote does not show the discount, ask why. The centrally ducted discount runs $1,200 for systems up to 2 tons and $1,700 from 2 to 4 tons (a ton is 12,000 BTU/h of cooling) — most SUZ ducted pairings sit in the $1,200 tier, and the $2,200 tier starts at 4 tons, beyond the line’s ducted air handlers. Income bonuses of $200 (most utilities), $1,000 (VPPSA utilities) or $2,200 (Green Mountain Power, low income) can stack on top. Equipment must be on Efficiency Vermont’s qualifying list, which we could not search when we checked — before you sign, have your installer confirm your exact model number is on the current list.
The full Vermont rules — the income bonuses, Green Mountain Power’s separate rebate and Burlington’s own schedule — are on our Vermont rebate page.
In Burlington, Burlington Electric pays its own centrally ducted schedule — $1,350 for systems the SUZ line’s size, with its larger figures reserved for systems bigger than this line’s ducted pairings — instead of Efficiency Vermont’s discount.
Source: Efficiency Vermont, centrally ducted heat pump discounts. Checked on October 10, 2026.
Could not be verified
Not yet verified by us
Its NEEP row
The NEEP cold-climate list standardizes capacity and COP at 5F for every listed unit — the fairest comparison between brands, and the list Xcel’s cold-climate rebates in Minnesota require. The list is an interactive application that resisted our checks. For this unit it matters less than usual: Mitsubishi’s own submittal prints the COP below Xcel’s gate, and a NEEP row would not raise it.
The state equipment lists
Efficiency Maine’s rebate-eligible spreadsheet and Efficiency Vermont’s qualifying-products list both resisted our checks on our date, so per-model confirmation rests on program rules, not the lists themselves. For Vermont, that confirmation is worth getting in writing before you sign.
An official ducted pairing for the current R-454B line
Mitsubishi’s consumer pages for the R-454B SUZ line list ductless and cassette indoor units as shipping, with ducted pairings marked “coming soon” — and the ducted R-454B ratings we saw (17.0 SEER2, 13.6 EER2, 8.5 HSPF2) came from a retailer’s product page, not a Mitsubishi submittal. The verified ducted pairing we quote above is the previous R-410A generation. Until Mitsubishi publishes R-454B ducted submittals, treat those retailer figures as unconfirmed.
Source: NEEP, cold-climate air-source heat pump specification and product list. Checked on October 10, 2026.
Compare it against the other quote, with the same numbers for both
Checked on October 10, 2026. Built from the public record, not from opinion. Every model page gets the same structure, so the numbers compare.