Brand
Mitsubishi Electric
Mitsubishi Electric (sold in the US through METUS) is the pro-installed benchmark of the category: strong cold-climate Hyper-Heating performance, a reputation for reliability, and the best engineering documentation in the industry. These are dealer-distributed systems that require professional installation by a licensed contractor as a warranty condition - not DIY units.
- Verified systems
- 64/5
- Last verified
- Jul 23, 2026
Products
64
Capacity range
6k BTU to 34k BTU
Price band
not published
Cold-weather options
25
Overview
- Positioning
- Not DIY
- Country
- Japan
- Efficiency range
- SEER2 17.4 to 35 / HSPF2 8.5 to 13.3
- Warranty
- Standard residential M-Series warranty is 5 years parts and 7 years compressor from installation by a licensed HVAC contractor. Enhanced registered owner-occupied terms can extend to 10 years, or 12 years when installed and registered by a Diamond Contractor.
- Dealer/DIY policy
- Mitsubishi Electric M-Series systems are professional-install ductless systems; warranty language and installation documents require licensed/qualified HVAC contractor installation.
What to know about Mitsubishi Electric
- Professional install is not optional here; the warranty depends on it. On this site, Mitsubishi pages carry installer-quote requests alongside equipment pricing.
- The "Hyper-Heating" (HZ) badge is not a strict upgrade. Our data shows the HZ variants publish LOWER seasonal efficiency and lower rated heating in mild conditions than their standard siblings - what they add is documented capacity in deep cold. Buy HZ for the cold, not the badge.
- We publish the AHRI-certified rating where it differs from a manufacturer submittal - and show the manufacturer's number alongside it.
Best applications
Current verified systems are best treated as a source-backed model set, not a ranked brand recommendation.
Product table
| Model | Capacity | Voltage | Efficiency | Low ambient | Completeness |
|---|---|---|---|---|---|
| Mitsubishi Electric M-Series FS 6,000 BTU R-410A 208/230V (MSZ-FS06NA / MUZ-FS06NAH) M-Series FS / Professional install | 6,000BTU/h | 230V | SEER2 32.2 HSPF2 10.9 | -13F | Data completeness: 95% Verified Jul 2026 |
| Mitsubishi Electric M-Series FX Deluxe Hyper-Heat 6,000 BTU R-454B 208/230V (MSZ-FX06NL / MUZ-FX06NLHZ) M-Series FX Deluxe Hyper-Heat / Professional install | 6,000BTU/h | 230V | SEER2 35 HSPF2 13 | -22F | Data completeness: 95% Verified Jul 2026 |
| Mitsubishi Electric M-Series EX Designer 9,000 BTU R-454B 208/230V (MSZ-EX09NLW / SUZ-AA09NL) M-Series EX Designer Hyper-Heat / Professional install | 9,000BTU/h | 230V | SEER2 21.7 HSPF2 12.9 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series EX Designer Hyper-Heat 9,000 BTU R-454B 208/230V (MSZ-EX09NLW / SUZ-AA09NLHZ) M-Series EX Designer Hyper-Heat / Professional install | 9,000BTU/h | 230V | SEER2 17.4 HSPF2 10 | -22F | Data completeness: 90% Verified Jul 2026 |
| Mitsubishi Electric M-Series FS 9k 230V (MSZ-FS09NA / MUZ-FS09NAH) M-Series FS / Professional install | 9,000BTU/h | 230V | SEER2 29.8 HSPF2 10 | -13F | Data completeness: 100% Verified Jul 2026 |
| Mitsubishi Electric M-Series FX Deluxe Hyper-Heat 9,000 BTU R-454B 208/230V (MSZ-FX09NL / MUZ-FX09NLHZ) M-Series FX Deluxe Hyper-Heat / Professional install | 9,000BTU/h | 230V | SEER2 33.1 HSPF2 13.3 | -22F | Data completeness: 95% Verified Jul 2026 |
| Mitsubishi Electric M-Series GS 9k 230V (MSZ-GS09NA / MUZ-GS09NA) M-Series GS / Professional install | 9,000BTU/h | 230V | SEER2 28.4 HSPF2 10.9 | -4F | Data completeness: 100% Verified Jul 2026 |
| Mitsubishi Electric M-Series GS Hyper-Heating 9k 230V (MSZ-GS09NA / MUZ-GS09NAHZ) M-Series GS / Professional install | 9,000BTU/h | 230V | SEER2 28.4 HSPF2 9.6 | -13F | Data completeness: 100% Verified Jul 2026 |
| Mitsubishi Electric M-Series GX 9,000 BTU R-454B 208/230V (MSZ-GX09NL / MUZ-GX09NL) M-Series GX Hyper-Heat / Professional install | 9,000BTU/h | 230V | SEER2 28.4 HSPF2 10.9 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series GX Hyper-Heat 9,000 BTU R-454B 208/230V (MSZ-GX09NL / MUZ-GX09NLHZ) M-Series GX Hyper-Heat / Professional install | 9,000BTU/h | 230V | SEER2 28.4 HSPF2 10.2 | -22F | Data completeness: 90% Verified Jul 2026 |
| Mitsubishi Electric M-Series HM 9,000 BTU R-410A 208/230V (MSZ-HM09NA / MUZ-HM09NA) M-Series HM / Professional install | 9,000BTU/h | 230V | SEER2 20 HSPF2 10 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series HX 9,000 BTU R-454B 208/230V (MSZ-HX09NL / MUZ-HX09NL) M-Series HX / Professional install | 9,000BTU/h | 230V | SEER2 20 HSPF2 10 | -5F | Data completeness: 92% Verified Jul 2026 |
| Mitsubishi Electric M-Series JP 9,000 BTU R-410A 115V (MSZ-JP09WA / MUZ-JP09WA) M-Series JP / Professional install | 9,000BTU/h | 115V | SEER2 20 HSPF2 10 | not published | Data completeness: 82% Verified Jul 2026 |
| Mitsubishi Electric M-Series JX 9,000 BTU R-454B 115V (MSZ-JX09WL / MUZ-JX09WL) M-Series JX / Professional install | 9,000BTU/h | not published | SEER2 20 HSPF2 10 | -5F | Data completeness: 92% Verified Jul 2026 |
| Mitsubishi Electric M-Series WR 9,000 BTU R-410A 208/230V (MSZ-WR09NA / MUZ-WR09NA) M-Series WR / Professional install | 9,000BTU/h | 230V | SEER2 18 HSPF2 8.5 | not published | Data completeness: 85% Verified Jul 2026 |
| Mitsubishi Electric M-Series WX 9,000 BTU R-454B 208/230V (MSZ-WX09NL / MUZ-WX09NL) M-Series WX / Professional install | 9,000BTU/h | 230V | SEER2 18 HSPF2 8.5 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series EX Designer 12,000 BTU R-454B 208/230V (MSZ-EX12NLW / SUZ-AA12NL) M-Series EX Designer Hyper-Heat / Professional install | 12,000BTU/h | 230V | SEER2 21.7 HSPF2 10 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series EX Designer Hyper-Heat 12,000 BTU R-454B 208/230V (MSZ-EX12NLW / SUZ-AA12NLHZ) M-Series EX Designer Hyper-Heat / Professional install | 12,000BTU/h | 230V | SEER2 17.6 HSPF2 10 | -22F | Data completeness: 90% Verified Jul 2026 |
| Mitsubishi Electric M-Series FS 12k 230V (MSZ-FS12NA / MUZ-FS12NAH) M-Series FS / Professional install | 12,000BTU/h | 230V | SEER2 26.3 HSPF2 10.4 | -13F | Data completeness: 100% Verified Jul 2026 |
| Mitsubishi Electric M-Series FX Deluxe Hyper-Heat 12,000 BTU R-454B 208/230V (MSZ-FX12NL / MUZ-FX12NLHZ) M-Series FX Deluxe Hyper-Heat / Professional install | 12,000BTU/h | 230V | SEER2 29.9 HSPF2 12.4 | -22F | Data completeness: 95% Verified Jul 2026 |
| Mitsubishi Electric M-Series GS 12k 230V (MSZ-GS12NA / MUZ-GS12NA) M-Series GS / Professional install | 12,000BTU/h | 230V | SEER2 25.6 HSPF2 10.7 | -4F | Data completeness: 100% Verified Jul 2026 |
| Mitsubishi Electric M-Series GS Hyper-Heating 12k 230V (MSZ-GS12NA / MUZ-GS12NAHZ) M-Series GS / Professional install | 12,000BTU/h | 230V | SEER2 21.7 HSPF2 9.6 | -13F | Data completeness: 100% Verified Jul 2026 |
| Mitsubishi Electric M-Series GX 12,000 BTU R-454B 208/230V (MSZ-GX12NL / MUZ-GX12NL) M-Series GX Hyper-Heat / Professional install | 12,000BTU/h | 230V | SEER2 25.6 HSPF2 10.7 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series GX Hyper-Heat 12,000 BTU R-454B 208/230V (MSZ-GX12NL / MUZ-GX12NLHZ) M-Series GX Hyper-Heat / Professional install | 12,000BTU/h | 230V | SEER2 25.6 HSPF2 10 | -22F | Data completeness: 90% Verified Jul 2026 |
| Mitsubishi Electric M-Series HM 12,000 BTU R-410A 208/230V (MSZ-HM12NA / MUZ-HM12NA) M-Series HM / Professional install | 12,000BTU/h | 230V | SEER2 20 HSPF2 10 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series HX 12,000 BTU R-454B 208/230V (MSZ-HX12NL / MUZ-HX12NL) M-Series HX / Professional install | 12,000BTU/h | 230V | SEER2 20 HSPF2 10 | -5F | Data completeness: 92% Verified Jul 2026 |
| Mitsubishi Electric M-Series JP 12,000 BTU R-410A 115V (MSZ-JP12WA / MUZ-JP12WA) M-Series JP / Professional install | 12,000BTU/h | 115V | SEER2 20 HSPF2 9.2 | not published | Data completeness: 82% Verified Jul 2026 |
| Mitsubishi Electric M-Series JX 12,000 BTU R-454B 115V (MSZ-JX12WL / MUZ-JX12WL) M-Series JX / Professional install | 12,000BTU/h | not published | SEER2 20 HSPF2 10 | -5F | Data completeness: 92% Verified Jul 2026 |
| Mitsubishi Electric M-Series WR 12,000 BTU R-410A 208/230V (MSZ-WR12NA / MUZ-WR12NA) M-Series WR / Professional install | 12,000BTU/h | 230V | SEER2 18 HSPF2 8.5 | not published | Data completeness: 85% Verified Jul 2026 |
| Mitsubishi Electric M-Series WX 12,000 BTU R-454B 208/230V (MSZ-WX12NL / MUZ-WX12NL) M-Series WX / Professional install | 12,000BTU/h | 230V | SEER2 18 HSPF2 8.5 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series FS 15,000 BTU R-410A 208/230V (MSZ-FS15NA / MUZ-FS15NAH) M-Series FS / Professional install | 14,000BTU/h | 230V | SEER2 22.3 HSPF2 9.9 | -13F | Data completeness: 95% Verified Jul 2026 |
| Mitsubishi Electric M-Series GS 15,000 BTU R-410A 208/230V (MSZ-GS15NA / MUZ-GS15NA) M-Series GS / Professional install | 14,000BTU/h | 230V | SEER2 21 HSPF2 11 | -4F | Data completeness: 95% Verified Jul 2026 |
| Mitsubishi Electric M-Series GS Hyper-Heat 15,000 BTU R-410A 208/230V (MSZ-GS15NA / MUZ-GS15NAHZ) M-Series GS / Professional install | 14,000BTU/h | 230V | SEER2 21 HSPF2 9.4 | -13F | Data completeness: 95% Verified Jul 2026 |
| Mitsubishi Electric M-Series GX 15,000 BTU R-454B 208/230V (MSZ-GX15NL / MUZ-GX15NL) M-Series GX Hyper-Heat / Professional install | 14,000BTU/h | 230V | SEER2 22.2 HSPF2 11 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series GX Hyper-Heat 15,000 BTU R-454B 208/230V (MSZ-GX15NL / MUZ-GX15NLHZ) M-Series GX Hyper-Heat / Professional install | 14,000BTU/h | 230V | SEER2 22.2 HSPF2 10 | -22F | Data completeness: 90% Verified Jul 2026 |
| Mitsubishi Electric M-Series HM 15,000 BTU R-410A 208/230V (MSZ-HM15NA / MUZ-HM15NA) M-Series HM / Professional install | 14,000BTU/h | 230V | SEER2 20 HSPF2 10 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series EX Designer 15,000 BTU R-454B 208/230V (MSZ-EX15NLW / SUZ-AA15NL) M-Series EX Designer Hyper-Heat / Professional install | 15,000BTU/h | 230V | SEER2 20.9 HSPF2 10.6 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series EX Designer Hyper-Heat 15,000 BTU R-454B 208/230V (MSZ-EX15NLW / SUZ-AA15NLHZ) M-Series EX Designer Hyper-Heat / Professional install | 15,000BTU/h | 230V | SEER2 17.5 HSPF2 9.8 | -22F | Data completeness: 90% Verified Jul 2026 |
| Mitsubishi Electric M-Series FX Deluxe Hyper-Heat 15,000 BTU R-454B 208/230V (MSZ-FX15NL / MUZ-FX15NLHZ) M-Series FX Deluxe Hyper-Heat / Professional install | 15,000BTU/h | 230V | SEER2 25.9 HSPF2 11 | -22F | Data completeness: 95% Verified Jul 2026 |
| Mitsubishi Electric M-Series EX Designer 18,000 BTU R-454B 208/230V (MSZ-EX18NLW / SUZ-AA18NL) M-Series EX Designer Hyper-Heat / Professional install | 16,400BTU/h | 230V | SEER2 17.5 HSPF2 10.6 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series EX Designer Hyper-Heat 18,000 BTU R-454B 208/230V (MSZ-EX18NLW / SUZ-AA18NLHZ) M-Series EX Designer Hyper-Heat / Professional install | 16,400BTU/h | 230V | SEER2 17.5 HSPF2 10.2 | -22F | Data completeness: 90% Verified Jul 2026 |
| Mitsubishi Electric M-Series FS 18k 230V (MSZ-FS18NA / MUZ-FS18NAH) M-Series FS / Professional install | 17,200BTU/h | 230V | SEER2 21 HSPF2 10.3 | -13F | Data completeness: 100% Verified Jul 2026 |
| Mitsubishi Electric M-Series FX Deluxe Hyper-Heat 18,000 BTU R-454B 208/230V (MSZ-FX18NL / MUZ-FX18NLHZ) M-Series FX Deluxe Hyper-Heat / Professional install | 17,200BTU/h | 230V | SEER2 25.5 HSPF2 11.1 | -22F | Data completeness: 95% Verified Jul 2026 |
| Mitsubishi Electric M-Series HM 18,000 BTU R-410A 208/230V (MSZ-HM18NA / MUZ-HM18NA) M-Series HM / Professional install | 17,200BTU/h | 230V | SEER2 19 HSPF2 9.5 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series HX 18,000 BTU R-454B 208/230V (MSZ-HX18NL / MUZ-HX18NL) M-Series HX / Professional install | 17,200BTU/h | 230V | SEER2 20 HSPF2 9.5 | -5F | Data completeness: 92% Verified Jul 2026 |
| Mitsubishi Electric M-Series WR 18,000 BTU R-410A 208/230V (MSZ-WR18NA / MUZ-WR18NA) M-Series WR / Professional install | 17,200BTU/h | 230V | SEER2 18 HSPF2 8.5 | not published | Data completeness: 85% Verified Jul 2026 |
| Mitsubishi Electric M-Series WX 18,000 BTU R-454B 208/230V (MSZ-WX18NL / MUZ-WX18NL) M-Series WX / Professional install | 17,200BTU/h | 230V | SEER2 18 HSPF2 8.5 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series GS 18k 230V (MSZ-GS18NA / MUZ-GS18NA) M-Series GS / Professional install | 18,000BTU/h | 230V | SEER2 21.5 HSPF2 10.3 | -4F | Data completeness: 100% Verified Jul 2026 |
| Mitsubishi Electric M-Series GS Hyper-Heating 18k 230V (MSZ-GS18NA / MUZ-GS18NAHZ) M-Series GS / Professional install | 18,000BTU/h | 230V | SEER2 21.5 HSPF2 9.6 | -13F | Data completeness: 100% Verified Jul 2026 |
| Mitsubishi Electric M-Series GX 18,000 BTU R-454B 208/230V (MSZ-GX18NL / MUZ-GX18NL) M-Series GX Hyper-Heat / Professional install | 18,000BTU/h | 230V | SEER2 22.5 HSPF2 10.3 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series GX Hyper-Heat 18,000 BTU R-454B 208/230V (MSZ-GX18NL / MUZ-GX18NLHZ) M-Series GX Hyper-Heat / Professional install | 18,000BTU/h | 230V | SEER2 22.5 HSPF2 10 | -22F | Data completeness: 90% Verified Jul 2026 |
| Mitsubishi Electric M-Series FX Deluxe Hyper-Heat 24,000 BTU R-454B 208/230V (MSZ-FX24NL / MUZ-FX24NLHZ) M-Series FX Deluxe Hyper-Heat / Professional install | 20,800BTU/h | 230V | SEER2 23.5 HSPF2 10.5 | -22F | Data completeness: 95% Verified Jul 2026 |
| Mitsubishi Electric M-Series GS 24,000 BTU R-410A 208/230V (MSZ-GS24NA / MUZ-GS24NA) M-Series GS / Professional install | 22,400BTU/h | 230V | SEER2 21.5 HSPF2 10.3 | -4F | Data completeness: 95% Verified Jul 2026 |
| Mitsubishi Electric M-Series GS Hyper-Heat 24,000 BTU R-410A 208/230V (MSZ-GS24NA / MUZ-GS24NAHZ) M-Series GS / Professional install | 22,400BTU/h | 230V | SEER2 21.5 HSPF2 9 | -13F | Data completeness: 95% Verified Jul 2026 |
| Mitsubishi Electric M-Series GX 24,000 BTU R-454B 208/230V (MSZ-GX24NL / MUZ-GX24NL) M-Series GX Hyper-Heat / Professional install | 22,400BTU/h | 230V | SEER2 21.5 HSPF2 10.3 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series GX Hyper-Heat 24,000 BTU R-454B 208/230V (MSZ-GX24NL / MUZ-GX24NLHZ) M-Series GX Hyper-Heat / Professional install | 22,400BTU/h | 230V | SEER2 21.5 HSPF2 10 | -22F | Data completeness: 90% Verified Jul 2026 |
| Mitsubishi Electric M-Series HM 24,000 BTU R-410A 208/230V (MSZ-HM24NA / MUZ-HM24NA) M-Series HM / Professional install | 22,400BTU/h | 230V | SEER2 20 HSPF2 10 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series HX 24,000 BTU R-454B 208/230V (MSZ-HX24NL / MUZ-HX24NL) M-Series HX / Professional install | 22,400BTU/h | 230V | SEER2 20 HSPF2 9.5 | -5F | Data completeness: 92% Verified Jul 2026 |
| Mitsubishi Electric M-Series WR 24,000 BTU R-410A 208/230V (MSZ-WR24NA / MUZ-WR24NA) M-Series WR / Professional install | 22,400BTU/h | 230V | SEER2 18 HSPF2 8.5 | not published | Data completeness: 85% Verified Jul 2026 |
| Mitsubishi Electric M-Series WX 24,000 BTU R-454B 208/230V (MSZ-WX24NL / MUZ-WX24NL) M-Series WX / Professional install | 22,400BTU/h | 230V | SEER2 18 HSPF2 8.5 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series GS 30,000 BTU R-410A 208/230V (MSZ-GS30NA2 / MUZ-GS30NA2) M-Series GS / Professional install | 30,600BTU/h | 230V | SEER2 19.1 HSPF2 8.9 | -4F | Data completeness: 92% Verified Jul 2026 |
| Mitsubishi Electric M-Series GX 30,000 BTU R-454B 208/230V (MSZ-GX30NL / MUZ-GX30NL) M-Series GX Hyper-Heat / Professional install | 30,600BTU/h | 230V | SEER2 19.2 HSPF2 8.9 | not published | Data completeness: 87% Verified Jul 2026 |
| Mitsubishi Electric M-Series GS 36,000 BTU R-410A 208/230V (MSZ-GS36NA2 / MUZ-GS36NA2) M-Series GS / Professional install | 33,200BTU/h | 230V | SEER2 18.4 HSPF2 8.5 | -4F | Data completeness: 92% Verified Jul 2026 |
| Mitsubishi Electric M-Series GX 36,000 BTU R-454B 208/230V (MSZ-GX36NL / MUZ-GX36NL) M-Series GX Hyper-Heat / Professional install | 33,800BTU/h | 230V | SEER2 18.5 HSPF2 8.5 | not published | Data completeness: 87% Verified Jul 2026 |