What electrical difference should I check first in this comparison?

Start with the published voltage requirements: GREE Vireo R32 12,000 BTU (230V): 208/230V; Cooper & Hunter MIA 12,000 BTU (115V): 115V. A 115V label can make a retrofit easier, while a 230V system still needs the right dedicated circuit and local code review.

Gree Vireo vs Cooper & Hunter MIA (12,000 BTU)

The answer

Here's the twist: these are effectively cousins - Cooper & Hunter is built by Gree, so both trace back to the same manufacturing giant. The difference is tier and power. The Gree Vireo is Gree's efficiency-focused line on a 230V circuit, with a higher certified SEER2. The Cooper & Hunter MIA is a budget line that, at this size, runs on a standard 115V outlet - lower up-front cost and no 230V circuit to run. So: pick the Vireo for higher efficiency, or the C&H MIA for the lowest price and 115V simplicity, knowing both share Gree's platform. Both are professional installs.

Side by side

Systems compared

GREE Vireo R32 12,000 BTU (230V)
- Current retail price: $2,143 at HVACDirect
Cooper & Hunter MIA 12,000 BTU (115V)

Side-by-side generated quick-facts comparison table.
Specification	GREE Vireo R32 12,000 BTU (230V)	Cooper & Hunter MIA 12,000 BTU (115V)
SplitAtlas score	8.4 / 10best published	7.5 / 10
Price band	$2,143	not published
Rated cooling capacity	12,000BTU/h	12,000BTU/h
Rated heating capacity	12,000BTU/h	12,000BTU/h
SEER2	24.5SEER2best published	21.2SEER2
HSPF2	9.5HSPF2best published	8.7HSPF2
Rated heating at 5F	11,000BTU/h	not published
Minimum heating ambient	-22F	not published
Voltage options	208/230V	115V
Install path	Professional install	Professional install
Warranty terms	Standard: 5 yr parts / 7 yr compressor (eligible residential system); Best case: 10 yr parts / 10 yr compressor (GREE Select Dealer registration for a complete system)	Standard: 5 yr parts / 7 yr compressor (standard registration/installation terms)
Noise range	Indoor 20 - 43 / Outdoor 52 dBAbest published	Indoor 40.5/32.5/25 dB(A) / Outdoor 54 dBA
Refrigerant generation	R-32 - current-generation refrigerant	R-454B - current-generation refrigerant

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GREE Vireo R32 12,000 BTU (230V)

Check price at HVACDirect

$2,143 / Fresh price - checked Jul 21, 2026

Cooper & Hunter MIA 12,000 BTU (115V)

no current retail listing

Data freshness: selected systems last sourced Jul 21, 2026 or newer.

Share this view

Two things stand out: the Vireo's higher SEER2, and the voltage - the C&H MIA at 115V can run on a standard circuit, while the Vireo needs a dedicated 230V one (see electrical requirements).

Who each is for

The Gree Vireo buyer wants the better rated efficiency and doesn't mind a 230V circuit. You're buying Gree's own efficiency line on the platform it manufactures - a strong value with a higher SEER2. See the Gree review.

The Cooper & Hunter MIA buyer wants the lowest name-brand price and the simplicity of 115V - no 230V circuit project - on that same Gree-built base. It's mid-tier on efficiency, which is the tradeoff for the low price and easy power. See the Cooper & Hunter review.

The bottom line

Same manufacturing pedigree, two tiers: the Vireo for higher efficiency (230V), the C&H MIA for the lowest price and 115V ease. If your winters are mild and price is king, the MIA is a Gree-built bargain; if efficiency matters more, the Vireo earns its step up. Size to the certified BTU and confirm the low-temperature rating for your climate.

Keep comparing

Both are budget-friendly picks - see how they stack up in best budget mini splits, or compare against the DIY route in MRCOOL DIY vs Cooper & Hunter. Filter everything in the product finder.

Sources

AHRI: AHRI Certificate of Product Ratings ref 216623803 (2025-06-20) - Cooper & Hunter MIA 12,000 BTU (115V), retrieved Jul 18, 2026.
Cooper & Hunter: CH-RLS12MIA submittal data sheet - Cooper & Hunter MIA 12,000 BTU (115V), retrieved Jul 18, 2026.
Cooper & Hunter: Flared refrigerant piping installation evidence - Cooper & Hunter MIA 12,000 BTU (115V), retrieved Aug 17, 2026.
Cooper & Hunter: Flared refrigerant piping installation evidence - Cooper & Hunter MIA 12,000 BTU (115V), retrieved Aug 29, 2026.
Cooper & Hunter: MIA Series brochure (parsed 2026-07-18) - Cooper & Hunter MIA 12,000 BTU (115V), retrieved Jul 18, 2026.
MiniSplitWarehouse: minisplitwarehouse.com MIA 12k 115v - Cooper & Hunter MIA 12,000 BTU (115V), retrieved Jul 18, 2026.
AHRI: AHRI Directory public details for GREE Livo/Vireo R32 pairings - GREE Vireo R32 12,000 BTU (230V), retrieved Jul 21, 2026.
AHRI: AHRI certificate 214813257 for VIR12HP230V1R32AO / VIR12HP230V1R32AH - GREE Vireo R32 12,000 BTU (230V), retrieved Jul 21, 2026.
GREE Comfort: GREE DFS warranty statement for units installed after 2021-12-31 - GREE Vireo R32 12,000 BTU (230V), retrieved Jul 21, 2026.
GREE Comfort: GREE Licensed Contractor Warranty Program - GREE Vireo R32 12,000 BTU (230V), retrieved Jul 21, 2026.
GREE Comfort: GREE Vireo R32 submittal 12MBH 230V - GREE Vireo R32 12,000 BTU (230V), retrieved Jul 21, 2026.
GREE Comfort: Vireo R32 Installation and Owner's Manual - GREE Vireo R32 12,000 BTU (230V), retrieved Jul 21, 2026.

Whichever system you pick, these are professional installs. Get quotes before you choose.

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Frequently asked questions

What electrical difference should I check first in this comparison?: Start with the published voltage requirements: GREE Vireo R32 12,000 BTU (230V): 208/230V; Cooper & Hunter MIA 12,000 BTU (115V): 115V. A 115V label can make a retrofit easier, while a 230V system still needs the right dedicated circuit and local code review.