MiniSplit Facts

MRCOOL DIY 5th Gen vs MRCOOL Olympus

Both point to the same factory, Midea: MRCOOL DIY 5th Gen's certified ratings match models Midea certifies under its own name, and MRCOOL Olympus's certified ratings match models Midea certifies under its own name. MRCOOL DIY 5th Gen has 27 products on sale across 3 categories, priced $443 to $3,769. MRCOOL Olympus has 24 products on sale across 3 categories. Largest system: 36,000 BTU/h (MRCOOL DIY 5th Gen 36,000 BTU wall mount system) against 24,000 BTU/h (MRCOOL Olympus 24,000 BTU wall mount system). Highest SEER2 (cooling efficiency): 23.9 (MRCOOL DIY 5th Gen 18,000 BTU multi-zone outdoor unit) against 27.4 (MRCOOL Olympus 9,000 BTU wall mount system). Highest HSPF2 (heating efficiency): 12.2 (MRCOOL DIY 5th Gen Hyper Heat 18,000 BTU ceiling cassette system) against 13.5 (MRCOOL Olympus 24,000 BTU wall mount system). Most heat at 5 °F: 46,000 BTU/h (MRCOOL DIY 5th Gen 55,000 BTU multi-zone outdoor unit) against 26,000 BTU/h (MRCOOL Olympus 36,000 BTU multi-zone outdoor unit). Longest compressor warranty: 7 years (MRCOOL DIY 5th Gen 9,000 BTU 115V wall mount system) against 7 years (MRCOOL Olympus 9,000 BTU wall mount system).

At a glance

Fact MRCOOL DIY 5th Gen MRCOOL Olympus
Launched 2024 2024
Products on sale2724
CategoriesSingle-zone systems (12), Multi-zone outdoor units (5), Indoor units (10)Single-zone systems (8), Multi-zone outdoor units (4), Indoor units (12)
Price range$443 – $3,769cheapest: 6,000 BTU wall mount indoor unit—
Largest system36,000 BTU/h36,000 BTU wall mount system24,000 BTU/h24,000 BTU wall mount system
Highest SEER2 (cooling efficiency)23.918,000 BTU multi-zone outdoor unit27.49,000 BTU wall mount system
Highest HSPF2 (heating efficiency)12.2Hyper Heat 18,000 BTU ceiling cassette system13.524,000 BTU wall mount system
Most heat at 5 °F46,000 BTU/h55,000 BTU multi-zone outdoor unit26,000 BTU/h36,000 BTU multi-zone outdoor unit
Keeps heating in the coldest weather-22 °FHyper Heat 12,000 BTU wall mount systemnone published
Longest compressor warranty7 years9,000 BTU 115V wall mount system7 years9,000 BTU wall mount system
Warranty if you install it yourselfKepton 27 productsKepton 12 products
Where soldGot Ductless, HVACDirect, Amazonno prices on file

Who makes them?

Both point to the same factory, Midea: MRCOOL DIY 5th Gen's certified ratings match models Midea certifies under its own name, and MRCOOL Olympus's certified ratings match models Midea certifies under its own name.

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

MRCOOL Olympus

12 of MRCOOL Olympus's 12 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: 12 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 12 vs 8

TierMRCOOL DIY 5th GenMRCOOL Olympus
9,000 BTU
9,000 BTU 115V wall mount system 9,000 BTU/h · 23.6 · $2,269
9,000 BTU ceiling cassette system 9,000 BTU/h · 22.6 · —
9,000 BTU concealed duct system 9,000 BTU/h · 21.4 · —
9,000 BTU wall mount system 9,000 BTU/h · 27.4 · —
12,000 BTU
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
12,000 BTU ceiling cassette system 12,000 BTU/h · 22.2 · —
12,000 BTU concealed duct system 12,000 BTU/h · 20 · —
12,000 BTU wall mount system 12,000 BTU/h · 25.4 · —
18,000 BTU
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
18,000 BTU wall mount system 18,000 BTU/h · 21.4 · —
24,000 BTU
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
24,000 BTU wall mount system 24,000 BTU/h · 21 · —
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 →

Multi-zone outdoor units 5 vs 4

TierMRCOOL DIY 5th GenMRCOOL Olympus
18,000 BTU
18,000 BTU multi-zone outdoor unit 18,000 BTU/h · 23.9 · $1,508
18,000 BTU multi-zone outdoor unit 18,000 BTU/h · 25.1 · —
27,000 BTU
27,000 BTU multi-zone outdoor unit 27,000 BTU/h · 23 · $2,037
27,000 BTU multi-zone outdoor unit 27,000 BTU/h · 25 · —
36,000 BTU
36,000 BTU multi-zone outdoor unit 36,000 BTU/h · 23 · $2,467
36,000 BTU multi-zone outdoor unit 36,000 BTU/h · 24 · —
48,000 BTU
48,000 BTU multi-zone outdoor unit 48,000 BTU/h · 21.8 · $3,131
48,000 BTU multi-zone outdoor unit 48,000 BTU/h · 24 · —
55,000 BTU
55,000 BTU multi-zone outdoor unit 55,000 BTU/h · 22 · $3,695
 —

All multi-zone outdoor units from both brands, side by side →

Indoor units 10 vs 12

TierMRCOOL DIY 5th GenMRCOOL Olympus
6,000 BTU
6,000 BTU ceiling cassette indoor unit 6,000 BTU/h · $1,273
6,000 BTU wall mount indoor unit 6,000 BTU/h · $443
 —
9,000 BTU
9,000 BTU ceiling cassette indoor unit 9,000 BTU/h · $1,368
9,000 BTU wall mount indoor unit 9,000 BTU/h · $516
9,000 BTU ceiling cassette indoor unit 9,000 BTU/h · —
9,000 BTU concealed duct indoor unit 9,000 BTU/h · —
9,000 BTU wall mount indoor unit 9,000 BTU/h · —
12,000 BTU
12,000 BTU ceiling cassette indoor unit 12,000 BTU/h · $1,378
12,000 BTU wall mount indoor unit 12,000 BTU/h · $668
12,000 BTU ceiling cassette indoor unit 12,000 BTU/h · —
12,000 BTU concealed duct indoor unit 12,000 BTU/h · —
12,000 BTU wall mount indoor unit 12,000 BTU/h · —
18,000 BTU
18,000 BTU ceiling cassette indoor unit 18,000 BTU/h · $1,397
18,000 BTU wall mount indoor unit 18,000 BTU/h · $903
18,000 BTU ceiling cassette indoor unit 18,000 BTU/h · —
18,000 BTU concealed duct indoor unit 18,000 BTU/h · —
18,000 BTU wall mount indoor unit 18,000 BTU/h · —
24,000 BTU
24,000 BTU wall mount indoor unit 24,000 BTU/h · $936
24,000 BTU ceiling cassette indoor unit 24,000 BTU/h · —
24,000 BTU concealed duct indoor unit 24,000 BTU/h · —
24,000 BTU wall mount indoor unit 24,000 BTU/h · —
36,000 BTU
36,000 BTU wall mount indoor unit 36,000 BTU/h · $1,243
 —

All indoor units from both brands, side by side →

Questions

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

Both point to the same factory, Midea: MRCOOL DIY 5th Gen's certified ratings match models Midea certifies under its own name, and MRCOOL Olympus's certified ratings match models Midea certifies under its own name. How we work it out.

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

MRCOOL DIY 5th Gen: 27 products on sale across 3 categories. MRCOOL Olympus: 24 across 3.

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

By the brands' own figures: 23.9 for MRCOOL DIY 5th Gen (18,000 BTU multi-zone outdoor unit) and 27.4 for MRCOOL Olympus (9,000 BTU wall mount system). Seasonal cooling efficiency under the 2023 test procedure. Higher uses less electricity.

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

By the brands' own figures: 12.2 for MRCOOL DIY 5th Gen (Hyper Heat 18,000 BTU ceiling cassette system) and 13.5 for MRCOOL Olympus (24,000 BTU wall mount system). Seasonal heating efficiency under the 2023 test procedure. Higher uses less electricity.

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

By the brands' own figures: 46,000 BTU/h for MRCOOL DIY 5th Gen (55,000 BTU multi-zone outdoor unit) and 26,000 BTU/h for MRCOOL Olympus (36,000 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, MRCOOL DIY 5th Gen or MRCOOL Olympus?

By the brands' own figures: 7 years for MRCOOL DIY 5th Gen (9,000 BTU 115V wall mount system) and 7 years for MRCOOL Olympus (9,000 BTU 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, MRCOOL DIY 5th Gen or MRCOOL Olympus?

MRCOOL DIY 5th Gen publishes Kept on 27 of its 27 products; MRCOOL Olympus publishes Kept on 12 of its 24 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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