MiniSplit Facts

DELLA Optima CloudAir vs Mitsubishi Electric GX

Different factories: DELLA Optima CloudAir's certified ratings match models TCL certifies under its own name; Mitsubishi Electric certifies its own units with ENERGY STAR. DELLA Optima CloudAir has 5 products on sale across 1 category, priced $899.96 to $1,804.96. Mitsubishi Electric GX has 12 products on sale across 1 category, priced $1,986.34 to $4,698.75. Largest system: 23,000 BTU/h (DELLA Optima CloudAir 23,000 BTU wall mount system) against 36,000 BTU/h (Mitsubishi Electric GX 36,000 BTU wall mount system). Highest SEER2 (cooling efficiency): 24 (DELLA Optima CloudAir 12,000 BTU wall mount system) against 28.4 (Mitsubishi Electric GX Hyper-Heating 9,000 BTU wall mount system). Highest HSPF2 (heating efficiency): 10 (DELLA Optima CloudAir 18,000 BTU wall mount system) against 11 (Mitsubishi Electric GX 15,000 BTU wall mount system). Most heat at 5 °F: 18,600 BTU/h (DELLA Optima CloudAir 23,000 BTU wall mount system) against 21,200 BTU/h (Mitsubishi Electric GX Hyper-Heating 24,000 BTU wall mount system).

At a glance

Fact DELLA Optima CloudAir Mitsubishi Electric GX
Launched 2025 2025
Products on sale512
CategoriesSingle-zone systems (5)Single-zone systems (12)
Price range$899.96 – $1,804.96cheapest: 9,000 BTU 115V wall mount system$1,986.34 – $4,698.75cheapest: 36,000 BTU wall mount system
Largest system23,000 BTU/h23,000 BTU wall mount system36,000 BTU/h36,000 BTU wall mount system
Highest SEER2 (cooling efficiency)2412,000 BTU wall mount system28.4Hyper-Heating 9,000 BTU wall mount system
Highest HSPF2 (heating efficiency)1018,000 BTU wall mount system1115,000 BTU wall mount system
Most heat at 5 °F18,600 BTU/h23,000 BTU wall mount system21,200 BTU/hHyper-Heating 24,000 BTU wall mount system
Keeps heating in the coldest weather-13 °F23,000 BTU wall mount systemnone published
Longest compressor warrantynone published10 yearsHyper-Heating 12,000 BTU wall mount system
Warranty if you install it yourselfKepton 5 productsLicensed installer requiredon 12 products
Where soldDELLA, AmazonGot Ductless, HVACDirect

Who makes them?

Different factories: DELLA Optima CloudAir's certified ratings match models TCL certifies under its own name; Mitsubishi Electric certifies its own units with ENERGY STAR.

DELLA Optima CloudAir

5 of DELLA Optima CloudAir's 5 ENERGY STAR certified systems carry certified ratings identical to models TCL certifies under its own name, which points to TCL as the maker (inferred from the certification records; not a statement by DELLA).

  • TCL: 5 systems with identical certified ratings

Mitsubishi Electric GX

confirmed Mitsubishi Electric. source ↗

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 5 vs 12

TierDELLA Optima CloudAirMitsubishi Electric GX
9,000 BTU
9,000 BTU 115V wall mount system 9,000 BTU/h · 23 · $899.96
9,000 BTU wall mount system 9,000 BTU/h · 28.4 · $2,241.75
Hyper-Heating 9,000 BTU wall mount system 9,000 BTU/h · 28.4 · $2,466
12,000 BTU
12,000 BTU 115V wall mount system 12,000 BTU/h · 23 · $969.96
12,000 BTU wall mount system 12,000 BTU/h · 24 · $949.96
12,000 BTU wall mount system 12,000 BTU/h · 25.6 · $2,642.98
Hyper-Heating 12,000 BTU wall mount system 12,000 BTU/h · 25.6 · $2,936.41
15,000 BTU —
15,000 BTU wall mount system 15,000 BTU/h · 22.2 · $2,949
Hyper-Heating 15,000 BTU wall mount system 15,000 BTU/h · 22.2 · $3,242.25
18,000 BTU
18,000 BTU wall mount system 18,000 BTU/h · 23 · $1,499.96
18,000 BTU wall mount system 18,000 BTU/h · 22.5 · $3,518.25
Hyper-Heating 18,000 BTU wall mount system 18,000 BTU/h · 22.5 · $2,674.78
24,000 BTU —
24,000 BTU wall mount system 24,000 BTU/h · 21.5 · $4,125.75
Hyper-Heating 24,000 BTU wall mount system 24,000 BTU/h · 21.5 · $4,620.75
30,000 BTU —
30,000 BTU wall mount system 30,000 BTU/h · 19.2 · $4,698.75
36,000 BTU —
36,000 BTU wall mount system 36,000 BTU/h · 18.5 · $1,986.34
Untiered
23,000 BTU wall mount system 23,000 BTU/h · 23 · $1,804.96
 —

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

Questions

Are DELLA Optima CloudAir and Mitsubishi Electric GX made by the same company?

Different factories: DELLA Optima CloudAir's certified ratings match models TCL certifies under its own name; Mitsubishi Electric certifies its own units with ENERGY STAR. How we work it out.

Which is cheaper, DELLA Optima CloudAir or Mitsubishi Electric GX?

On the prices we have (as of October 14, 2026), the cheapest DELLA Optima CloudAir system is the 9,000 BTU 115V wall mount system at $899.96, and the cheapest Mitsubishi Electric GX system is the 36,000 BTU wall mount system at $1,986.34. Prices are re-checked weekly.

Which has more products, DELLA Optima CloudAir or Mitsubishi Electric GX?

DELLA Optima CloudAir: 5 products on sale across 1 categories. Mitsubishi Electric GX: 12 across 1.

Which is more efficient at cooling, DELLA Optima CloudAir or Mitsubishi Electric GX?

By the brands' own figures: 24 for DELLA Optima CloudAir (12,000 BTU wall mount system) and 28.4 for Mitsubishi Electric GX (Hyper-Heating 9,000 BTU wall mount system). Seasonal cooling efficiency under the 2023 test procedure. Higher uses less electricity.

Which is more efficient at heating, DELLA Optima CloudAir or Mitsubishi Electric GX?

By the brands' own figures: 10 for DELLA Optima CloudAir (18,000 BTU wall mount system) and 11 for Mitsubishi Electric GX (15,000 BTU wall mount system). Seasonal heating efficiency under the 2023 test procedure. Higher uses less electricity.

Which puts out more heat at 5 °F, DELLA Optima CloudAir or Mitsubishi Electric GX?

By the brands' own figures: 18,600 BTU/h for DELLA Optima CloudAir (23,000 BTU wall mount system) and 21,200 BTU/h for Mitsubishi Electric GX (Hyper-Heating 24,000 BTU wall mount system). Heat output with 5 °F outdoors, from the certification record. Published for units certified for cold climates.

Which has the better warranty if you install it yourself, DELLA Optima CloudAir or Mitsubishi Electric GX?

DELLA Optima CloudAir publishes Kept on 5 of its 5 products; Mitsubishi Electric GX publishes Licensed installer required on 12 of its 12 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