Mini Split for a 40x60 Pole Barn: Size & Systems
A 40x60 pole barn is 2,400 sq ft. At 20 BTU per square foot that is a 48,000 BTU cooling load, putting it in the 48,000 BTU class before adjustments. Our dataset holds 1 verified system(s) here, 1 with first-hand prices from $5,970 to $5,970; the cheapest is the MRCOOL DIY 5th Gen 5-Zone 48k (6+9+9+9+12).
Computed from our dataset
- 1 system(s) from our verified dataset appear on this page.
- Price range: $5,970 to $5,970 (verified 2026-11-04).
- Cheapest: MRCOOL DIY 5th Gen 5-Zone 48k (6+9+9+9+12) at $5,970 (HVACDirect).
- Highest SEER2: MRCOOL DIY 5th Gen 5-Zone 48k (6+9+9+9+12) at 21.8 SEER2.
| System | Zones | BTU | Coverage | SEER2 | Heats to | Install | Price | |
|---|---|---|---|---|---|---|---|---|
| MRCOOL DIY 5th Gen 5-Zone 48k (6+9+9+9+12) DIY-MULTI6-48HP-230 | 5 | 48,000 | Per-zone: 250-600 sq ft | 21.8 | — | Pro / flare | $5,970 at HVACDirect | Check price at HVACDirect |
Buying notes
- Metal buildings and shops lose heat and gain heat fast: insulation is worth more than the next size up.
- Ceiling height matters - a 12-14 ft shop ceiling adds load the flat sq ft rule does not see; size toward the top of the class.