2.5-ton split systems
Rated products: 93 · model numbers: 238 · certified cooling 26,000–31,999 Btu/h
Of the 7 split-system size classes on this site, the 2.5-ton class has the second-lowest median HSPF2. The MDV MOD30-30HFN10-M3X keeps the largest share of its 47°F capacity at 5°F. The 1HVAC ACIQ-30-HPD lists the top HSPF2 and the LG KUSXA301A the top SEER2.
What the class is made of
Compressor staging
- variable-speed
- 60
- single-stage
- 25
- two-stage
- 8
Refrigerant
- R-410A
- 27
- R-454B
- 56
- R-32
- 10
Most listed brands: AC PRO (6), Airquest (5), BlueRidge (5), MDV (5), American Standard (4), Bryant (4), Midea (4), and Ameristar (3).
Highest in the class, rating by rating
| Rating | Highest | Value | Next value down |
|---|---|---|---|
| Kept at 5°F | MDV MOD30-30HFN10-M3X | 112% | Trane 5TCV0X36A1, 107% |
| Output at 5°F | Trane 5TCV0X36A1 | 35,600 Btu/h | LG KUSXA301A, 34,000 Btu/h |
| COP at 5°F | Johnson Controls THF2B30T21 | 2.76 | Evcon RHP15030B21, 2.74 |
| HSPF2 | 1HVAC ACIQ-30-HPD (joint, with 9 more) | 10.8 | shared by 10 or more |
| SEER2 | LG KUSXA301A | 25 | Midea MDV-V30WMN10T, 20 |
| EER2 | LG KUSXA301A | 15.2 | Midea MDV-V30WMN10T, 14 |
Most heat kept at 5°F
EPA cold-climate designation only.
| Product | Kept at 5°F | Output at 5°F | COP at 5°F | Model numbers |
|---|---|---|---|---|
| MDV MOD30-30HFN10-M3X | 112% | 33,200 Btu/h | 2.00 | 1 |
| Trane 5TCV0X36A1 | 107% | 35,600 Btu/h | 2.27 | 2 |
| 1HVAC ACIQ-30-HPD | 107% | 33,200 Btu/h | 2.00 | 4 |
| Carrier 37MUHAQ30AA3 | 107% | 33,200 Btu/h | 2.00 | 2 |
| Century A-VXP30SA-1 | 107% | 32,600 Btu/h | 2.00 | 1 |
| Cooper&Hunter CH-PQ33-230VO | 107% | 33,200 Btu/h | 2.00 | 1 |
| DuraSTAR DRU1H30S2A | 107% | 32,600 Btu/h | 2.00 | 1 |
| Midea MO1HE-H30B-2A | 107% | 33,200 Btu/h | 2.00 | 2 |
| Novair LEA30CEN36-O | 107% | 33,200 Btu/h | 1.97 | 4 |
| Panasonic CU-HM30BAHU | 107% | 32,600 Btu/h | 1.96 | 9 |
Next to the other split-system sizes
Share of 47°F capacity kept at 5°F: dot = class median, ring = 90th percentile.
Certified as of October 27, 2026.