MiniSplit Facts

Gree Vireo vs MRCOOL DIY 5th Gen

Different factories: Gree certifies its own units with ENERGY STAR; MRCOOL DIY 5th Gen's certified ratings match models Midea certifies under its own name. Gree Vireo has 18 products on sale across 1 category, priced $2,103 to $3,900. MRCOOL DIY 5th Gen has 27 products on sale across 3 categories, priced $443 to $3,769. Largest system: 24,000 BTU/h (Gree Vireo 24,000 BTU ceiling cassette system) against 36,000 BTU/h (MRCOOL DIY 5th Gen 36,000 BTU wall mount system). Highest SEER2 (cooling efficiency): 26 (Gree Vireo 24,000 BTU ceiling cassette system) against 23.9 (MRCOOL DIY 5th Gen 18,000 BTU multi-zone outdoor unit). Highest HSPF2 (heating efficiency): 10.4 (Gree Vireo 9,000 BTU wall mount system) against 12.2 (MRCOOL DIY 5th Gen Hyper Heat 18,000 BTU ceiling cassette system). Most heat at 5 °F: 19,000 BTU/h (Gree Vireo 24,000 BTU wall mount system) against 46,000 BTU/h (MRCOOL DIY 5th Gen 55,000 BTU multi-zone outdoor unit). Longest compressor warranty: 7 years (Gree Vireo 12,000 BTU ceiling cassette system) against 7 years (MRCOOL DIY 5th Gen 9,000 BTU 115V wall mount system).

At a glance

Fact Gree Vireo MRCOOL DIY 5th Gen
Launched 2024 2024
Products on sale1827
CategoriesSingle-zone systems (18)Single-zone systems (12), Multi-zone outdoor units (5), Indoor units (10)
Price range$2,103 – $3,900cheapest: 9,000 BTU wall mount system$443 – $3,769cheapest: 6,000 BTU wall mount indoor unit
Largest system24,000 BTU/h24,000 BTU ceiling cassette system36,000 BTU/h36,000 BTU wall mount system
Highest SEER2 (cooling efficiency)2624,000 BTU ceiling cassette system23.918,000 BTU multi-zone outdoor unit
Highest HSPF2 (heating efficiency)10.49,000 BTU wall mount system12.2Hyper Heat 18,000 BTU ceiling cassette system
Most heat at 5 °F19,000 BTU/h24,000 BTU wall mount system46,000 BTU/h55,000 BTU multi-zone outdoor unit
Keeps heating in the coldest weathernone published-22 °FHyper Heat 12,000 BTU wall mount system
Longest compressor warranty7 years12,000 BTU ceiling cassette system7 years9,000 BTU 115V wall mount system
Warranty if you install it yourselfLicensed installer requiredon 18 productsKepton 27 products
Where soldHVACDirectGot Ductless, HVACDirect, Amazon

Who makes them?

Different factories: Gree certifies its own units with ENERGY STAR; MRCOOL DIY 5th Gen's certified ratings match models Midea certifies under its own name.

Gree Vireo

confirmed Gree. source ↗

MRCOOL DIY 5th Gen

14 of MRCOOL DIY 5th Gen's 14 ENERGY STAR certified systems carry certified ratings identical to models Midea certifies under its own name, which points to Midea as the maker (inferred from the certification records; not a statement by MRCOOL).

  • Midea: 14 systems with identical certified ratings

How we work out who makes what →

Part by part

Matched by each product's size tier within its own line, so a row pairs each brand's compact, medium, large or XL piece. Tiers are for lining lineups up; the dimensions say how big each one really is.

Single-zone systems 18 vs 12

TierGree VireoMRCOOL DIY 5th Gen
9,000 BTU
9,000 BTU ceiling cassette system 9,000 BTU/h · 24 · $2,731
9,000 BTU concealed duct system 9,000 BTU/h · 22 · $2,578
9,000 BTU floor console system 9,000 BTU/h · 23 · $2,173
9,000 BTU floor/ceiling system 9,000 BTU/h · 25 · $2,728
9,000 BTU wall mount system 9,000 BTU/h · 26 · $2,103
9,000 BTU 115V wall mount system 9,000 BTU/h · 23.6 · $2,269
12,000 BTU
12,000 BTU ceiling cassette system 12,000 BTU/h · 23 · $2,682
12,000 BTU concealed duct system 12,000 BTU/h · 21 · $2,649
12,000 BTU floor console system 12,000 BTU/h · 23 · $2,226
12,000 BTU floor/ceiling system 12,000 BTU/h · 23 · $2,769
12,000 BTU wall mount system 12,000 BTU/h · 24.5 · $2,143
12,000 BTU 115V wall mount system 12,000 BTU/h · 23.5 · $2,288
Hyper Heat 12,000 BTU ceiling cassette system 12,000 BTU/h · 22.2 · —
Hyper Heat 12,000 BTU wall mount system 12,000 BTU/h · 23.5 · $2,532
18,000 BTU
18,000 BTU ceiling cassette system 18,000 BTU/h · 24.5 · $3,303
18,000 BTU concealed duct system 18,000 BTU/h · 24.5 · $3,399
18,000 BTU floor console system 18,000 BTU/h · 24.5 · $2,859
18,000 BTU floor/ceiling system 18,000 BTU/h · 24.5 · $3,338
18,000 BTU ceiling cassette system 18,000 BTU/h · 21.4 · $2,822
18,000 BTU wall mount system 18,000 BTU/h · 22.5 · $2,909
Hyper Heat 18,000 BTU ceiling cassette system 18,000 BTU/h · 19.8 · $2,175
Hyper Heat 18,000 BTU wall mount system 18,000 BTU/h · 21.2 · $3,173
24,000 BTU
24,000 BTU ceiling cassette system 24,000 BTU/h · 26 · $3,745
24,000 BTU concealed duct system 24,000 BTU/h · 26 · $3,772
24,000 BTU floor/ceiling system 24,000 BTU/h · 26 · $3,900
24,000 BTU wall mount system 24,000 BTU/h · 26 · $3,394
24,000 BTU air handler system 24,000 BTU/h · 19.4 · $970
24,000 BTU wall mount system 24,000 BTU/h · 22.7 · $3,229
36,000 BTU —
36,000 BTU air handler system 36,000 BTU/h · 15.7 · $1,118
36,000 BTU wall mount system 36,000 BTU/h · 18 · $3,769

All single-zone systems from both brands, side by side →

Only one of them makes

  • MRCOOL DIY 5th Gen only: multi-zone outdoor units, indoor units.

Questions

Are Gree Vireo and MRCOOL DIY 5th Gen made by the same company?

Different factories: Gree certifies its own units with ENERGY STAR; MRCOOL DIY 5th Gen's certified ratings match models Midea certifies under its own name. How we work it out.

Which is cheaper, Gree Vireo or MRCOOL DIY 5th Gen?

On the prices we have (as of October 14, 2026), the cheapest Gree Vireo system is the 9,000 BTU wall mount system at $2,103, and the cheapest MRCOOL DIY 5th Gen system is the 24,000 BTU air handler system at $970. Prices are re-checked weekly.

Which has more products, Gree Vireo or MRCOOL DIY 5th Gen?

Gree Vireo: 18 products on sale across 1 categories. MRCOOL DIY 5th Gen: 27 across 3.

Which is more efficient at cooling, Gree Vireo or MRCOOL DIY 5th Gen?

By the brands' own figures: 26 for Gree Vireo (24,000 BTU ceiling cassette system) and 23.9 for MRCOOL DIY 5th Gen (18,000 BTU multi-zone outdoor unit). Seasonal cooling efficiency under the 2023 test procedure. Higher uses less electricity.

Which is more efficient at heating, Gree Vireo or MRCOOL DIY 5th Gen?

By the brands' own figures: 10.4 for Gree Vireo (9,000 BTU wall mount system) and 12.2 for MRCOOL DIY 5th Gen (Hyper Heat 18,000 BTU ceiling cassette system). Seasonal heating efficiency under the 2023 test procedure. Higher uses less electricity.

Which puts out more heat at 5 °F, Gree Vireo or MRCOOL DIY 5th Gen?

By the brands' own figures: 19,000 BTU/h for Gree Vireo (24,000 BTU wall mount system) and 46,000 BTU/h for MRCOOL DIY 5th Gen (55,000 BTU multi-zone outdoor unit). Heat output with 5 °F outdoors, from the certification record. Published for units certified for cold climates.

Which has the longer compressor warranty, Gree Vireo or MRCOOL DIY 5th Gen?

By the brands' own figures: 7 years for Gree Vireo (12,000 BTU ceiling cassette system) and 7 years for MRCOOL DIY 5th Gen (9,000 BTU 115V wall mount system). Years of compressor coverage under the brand's warranty, often only when registered. Conditions are on the product page.

Which has the better warranty if you install it yourself, Gree Vireo or MRCOOL DIY 5th Gen?

Gree Vireo publishes Licensed installer required on 18 of its 18 products; MRCOOL DIY 5th Gen publishes Kept on 27 of its 27 products. What the brand's warranty says when the owner installs the unit: kept, reduced, or void without a licensed installer. The quote is on the product page.

Answered from the catalogue data, as of October 14, 2026. How we compare.

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