Portable
Whynter Elite ARC-122DS
Cooling
12,000 BTU
Covers
400 ft²
Efficiency
5.8 CEER
Noise
52 dB
$550 est.
typical retail price Portable Best portable
Midea Duo MAP12S1TBL-A
by Midea · Model MAP12S1TBL-A
The best overall portable — a hose-in-hose inverter design that's far quieter and more efficient than typical portables.
Cooling
12,000 BTU
Covers
450 ft²
Efficiency
14.7 CEER
Noise
42 dB
$579 est.
typical street price · via Amazon Is 12,000 BTU right for your room? Run the sizing calculator
Strengths & trade-offs
Pros
- Inverter — ~40% energy savings
- Quiet for a portable
- App + Alexa/Google
Cons
- Pricier than basic portables
- Takes floor space
What the Midea Duo MAP12S1TBL-A costs to run
Estimated from this unit's 14.7 CEER rating at 8 hours/day of cooling, using average residential electricity rates for each US climate zone. Your usage and utility rate will shift these numbers — run the calculator for your exact room.
| Climate zone | Example regions | Est. cost / month |
|---|---|---|
| Cool North | Pacific NW, Upper Midwest, New England | $31 /mo |
| Mixed / Temperate | Mid-Atlantic, Midwest, Mountain | $33 /mo |
| Hot & Humid | Southeast, Gulf Coast, Texas | $27 /mo |
| Hot & Dry | Southwest, Desert | $29 /mo |
Full specifications
| Type | Portable air conditioner |
| Cooling capacity | 12,000 BTU |
| Rated coverage | 450 ft² |
| Efficiency | 14.7 CEER |
| Noise (low) | 42 dB |
| Smart features | App, Voice, Scheduling |
| ENERGY STAR | No |
| Model number | MAP12S1TBL-A |
| Typical street price | $579 |
Specs from manufacturer data; price and ratings are snapshots and may vary. See how we evaluate. Data last reviewed June 2026.
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Full comparison table Compare it against
Portable
Frigidaire Gallery GHPC132AB1
Cooling
13,000 BTU
Covers
600 ft²
Efficiency
10.2 EER
Noise
46 dB
$550 est.
typical retail price
Portable
Whynter ARC-1230WN
Cooling
14,000 BTU
Covers
600 ft²
Efficiency
12.3 CEER
Noise
58 dB
$629 est.
typical retail price