The Heat & Air ReviewDIY HVAC · Owner-reported
Menu
Mini-splitsDehumidifiersWindow & PTACHeatersParts & toolsGuidesComparisonsCompare modelsSizing tool
Compare tool

Compare models side by side

Pick two to four models. The best figure in each row is marked, and every number comes from the maker, NEEP or ENERGY STAR. Copy the URL to share a comparison.

All mini-splits & heat pumps ranked →All dehumidifiers ranked →All window, wall & room units ranked →All heating ranked →All parts, tools & supplies ranked →

SpecGree Sapphire R32 18,000 BTU 230VSenville Aura 18,000 BTU 230V
PhotoGree Sapphire R32 18,000 BTU 230VSenville Aura 18,000 BTU 230V
Our scoreSCORE7.5 / 10SCORE7.5 / 10
Our take18,000 BTU/h at 5°F against the Livo 18K's 12,100, for a cold-climate room with a licensed contractor.Full rated output at 5°F, matching the Olympus E Star 18k value for value, and it cost less than the Amazon Olympus when we checked. Licensed install required.
Nominal size18,000 BTU18,000 BTU
Voltage230V230V
Rated heat at 47°F18,600 BTU/h18,000 BTU/h
Heat at 17°F19,500 BTU/hbest18,000 BTU/h
Heat at 5°F18,000 BTU/h18,000 BTU/h
Lowest heating temp-22°F-22°F
Max heat at lowest temp10,800 BTU/hbest8,000 BTU/h
SEER227.5best21.4
HSPF2 (Region IV)1011best
Install typeFlareFlare
Max line run131 ftbest98.4 ft
Warranty covers owner installNoNo
Warranty, parts5 yr5 yr
Warranty, compressor7 yr10 yrbest
ENERGY STAR Cold Climaten/aYes
ENERGY STARn/aYes
RefrigerantR-32R-454B
Watch out forAmazon Sapphire titles show old SEER figures ("21.5 SEER" on the 24K); confirm the SAPxxHP230V1R32AH/AO model numbers. Gree's submittal prints lower 17°F figures than the certified NEEP ratings; go by NEEP. Gree's warranty applies only to installs by a state certified or licensed HVAC contractor, and claims are contractor-only.The Amazon 18k listing gives 2 yr parts / 7 yr compressor; confirm the term for the model you receive. Senville sells the Aura on Amazon itself, and SENA-12HF-16 is the kit number Senville's own site lists for the current R-454B Aura; a few listing fields (a 25.5 efficiency figure, a 2-year parts warranty) still show older numbers, so go by Senville's spec sheet. Current R-454B wall pairings are SENA-xxHF-OG + SENA-xxHF-IGG; older R-410A pairings end /OQ + /IQ. Senville's site lists higher HSPF2 and 47°F heat than the AHRI figures on NEEP; we use the certified numbers. Senville's FAQ says no to owner installs, and the warranty requires a licensed HVAC contractor.
MoreModel detailsOur full reviewView on Amazon →Model detailsOur full reviewView on Amazon →