Home · TOSOT Cosmo 24k: Specs, Price & Heating Rating

TOSOT Cosmo 24k: Specs, Price & Heating Rating

The TOSOT Cosmo 24k is a 24,000 BTU, 1-zone mini split system from TOSOT (model GWH24AWEXF-D6DNA1FI / GWH24ATEXF-D6DNA1FO). Manufacturer-stated coverage: 1,400 sq ft. Verified SEER2: 19. Manufacturer heating rating: down to -13F. It is a flare-install system in our classification (pro install, or an equipped DIY install with vacuum and gauges). Verified price: $1,299 at TOSOT Direct (checked 2026-11-04).

Computed from our dataset

  • 1 system(s) from our verified dataset appear on this page.
  • Price range: $1,299 to $1,299 (verified 2026-11-04).
  • Cheapest: TOSOT Cosmo 24k at $1,299 (TOSOT Direct).
  • Highest SEER2: TOSOT Cosmo 24k at 19 SEER2.
  • Best heating rating: TOSOT Cosmo 24k, rated to -13°F.
  • Against its class (24,000 BTU, 1 zone): class prices run $1,249.99 to $3,329, median $1,769.99 - this system sits below the median.
  • Dataset note: Same DIY caveat as the Cosmo 12k: a 16 ft line set is included, but no pre-charged/quick-connect claim is stated, so it is not counted as true DIY. Operates from -13F to 118F.
SystemZonesBTUCoverageSEER2Heats toInstallPrice
TOSOT Cosmo 24k
GWH24AWEXF-D6DNA1FI / GWH24ATEXF-D6DNA1FO
124,0001,400 sq ft19-13°FPro / flare$1,299
at TOSOT Direct
Check price

Buying notes

Related pages