MiniSplit Facts

MRCOOL DIY 5th Gen vs MRCOOL DIY Select

MRCOOL DIY 5th Gen's certified ratings match models Midea certifies under its own name; we have no match for MRCOOL DIY Select. MRCOOL DIY 5th Gen has 27 products on sale across 3 categories, priced $443 to $3,769. MRCOOL DIY Select has 4 products on sale across 1 category, priced $1,249 to $1,899. Largest system: 36,000 BTU/h (MRCOOL DIY 5th Gen 36,000 BTU wall mount system) against 24,000 BTU/h (MRCOOL DIY Select 24,000 BTU wall mount system). Highest SEER2 (cooling efficiency): 23.9 (MRCOOL DIY 5th Gen 18,000 BTU multi-zone outdoor unit) against 17.5 (MRCOOL DIY Select 9,000 BTU 115V wall mount system). Highest HSPF2 (heating efficiency): 12.2 (MRCOOL DIY 5th Gen Hyper Heat 18,000 BTU ceiling cassette system) against 9 (MRCOOL DIY Select 12,000 BTU 115V wall mount system). Longest compressor warranty: 7 years (MRCOOL DIY 5th Gen 9,000 BTU 115V wall mount system) against 2 years (MRCOOL DIY Select 9,000 BTU 115V wall mount system).

At a glance

Fact MRCOOL DIY 5th Gen MRCOOL DIY Select
Launched 2024 —
Products on sale274
CategoriesSingle-zone systems (12), Multi-zone outdoor units (5), Indoor units (10)Single-zone systems (4)
Price range$443 – $3,769cheapest: 6,000 BTU wall mount indoor unit$1,249 – $1,899cheapest: 9,000 BTU 115V wall mount system
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 unit17.59,000 BTU 115V wall mount system
Highest HSPF2 (heating efficiency)12.2Hyper Heat 18,000 BTU ceiling cassette system912,000 BTU 115V wall mount system
Most heat at 5 °F46,000 BTU/h55,000 BTU multi-zone outdoor unitnone published
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 system2 years9,000 BTU 115V wall mount system
Warranty if you install it yourselfKepton 27 productsKepton 4 products
Where soldGot Ductless, HVACDirect, AmazonHVACDirect, Got Ductless

Who makes them?

MRCOOL DIY 5th Gen's certified ratings match models Midea certifies under its own name; we have no match for MRCOOL DIY Select.

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 12 vs 4

TierMRCOOL DIY 5th GenMRCOOL DIY Select
9,000 BTU
9,000 BTU 115V wall mount system 9,000 BTU/h · 23.6 · $2,269
9,000 BTU 115V wall mount system 9,000 BTU/h · 17.5 · $1,249
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 115V wall mount system 12,000 BTU/h · 17.5 · $1,399
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 · 17.3 · $1,690
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 · 16.5 · $1,899
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 MRCOOL DIY 5th Gen and MRCOOL DIY Select made by the same company?

MRCOOL DIY 5th Gen's certified ratings match models Midea certifies under its own name; we have no match for MRCOOL DIY Select. How we work it out.

Which is cheaper, MRCOOL DIY 5th Gen or MRCOOL DIY Select?

On the prices we have (as of October 14, 2026), the cheapest MRCOOL DIY 5th Gen system is the 24,000 BTU air handler system at $970, and the cheapest MRCOOL DIY Select system is the 9,000 BTU 115V wall mount system at $1,249. Prices are re-checked weekly.

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

MRCOOL DIY 5th Gen: 27 products on sale across 3 categories. MRCOOL DIY Select: 4 across 1.

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

By the brands' own figures: 23.9 for MRCOOL DIY 5th Gen (18,000 BTU multi-zone outdoor unit) and 17.5 for MRCOOL DIY Select (9,000 BTU 115V 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 DIY Select?

By the brands' own figures: 12.2 for MRCOOL DIY 5th Gen (Hyper Heat 18,000 BTU ceiling cassette system) and 9 for MRCOOL DIY Select (12,000 BTU 115V wall mount system). Seasonal heating efficiency under the 2023 test procedure. Higher uses less electricity.

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

By the brands' own figures: 7 years for MRCOOL DIY 5th Gen (9,000 BTU 115V wall mount system) and 2 years for MRCOOL DIY Select (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, MRCOOL DIY 5th Gen or MRCOOL DIY Select?

MRCOOL DIY 5th Gen publishes Kept on 27 of its 27 products; MRCOOL DIY Select publishes Kept on 4 of its 4 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.

Related head-to-heads