Pick the MRCOOL DIY 24,000 BTU 230V if lower running costs matter most and you plan to install it yourself. Pick the MRCOOL Advantage 24,000 BTU 230V if a professional is installing it anyway and you want the newer R-454B refrigerant.
The central trade-off
Efficiency. The MRCOOL DIY 24,000 BTU 230V is rated 20.5 SEER against 17 for the MRCOOL Advantage 24,000 BTU 230V, roughly 17% less cooling energy at the same output.
Installation. The MRCOOL DIY 24,000 BTU 230V uses pre-charged quick-connect lines for DIY installs; the other needs its lines vacuumed and opened by a technician.
Refrigerant. R-410A in the MRCOOL DIY 24,000 BTU 230V, R-454B in the MRCOOL Advantage 24,000 BTU 230V. New systems moved from R-410A to lower-impact A2L refrigerants in 2025; existing R-410A stock can still be installed.
Noise. The MRCOOL DIY 24,000 BTU 230V lists 33 dB indoors at its quietest, against 56 dB.
Side by side
| Specification | MRCOOL DIY 24,000 BTU 230V | MRCOOL Advantage 24,000 BTU 230V |
|---|---|---|
| Cooling (maker) | 24000 BTU | 24000 BTU |
| Heating (maker) | Not stated by the maker | Not stated by the maker |
| SEER2 | Not stated by the maker | 17 |
| HSPF2 | Not stated by the maker | Not stated by the maker |
| Heats down to (maker) | Not stated by the maker | Not stated by the maker |
| Voltage | 230 | 230 V |
| Refrigerant | R-410A | R-454B |
| Room size (maker) | 1000 sq ft | 750 sq ft |
| Indoor noise (maker) | 33 db | 56 db |
| Line set included | Not stated by the maker | Not stated by the maker |
| Warranty | Warranty | Not stated by the maker |
Values are the makers' published specifications. "Not stated" means the maker doesn't publish it.
Which should you choose?
Choose the MRCOOL DIY 24,000 BTU 230V if
- Lower running costs matter most
- You plan to install it yourself
- You're comfortable with the long-proven R-410A design
Choose the MRCOOL Advantage 24,000 BTU 230V if
- A professional is installing it anyway
- You want the newer R-454B refrigerant

