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LG
LG 8,000 BTU Window Air Conditioner with Energy Star
8,000 BTU350 sq ftEnergy StarRemote
$299$359Save $60
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We carry 500+ models from 20+ brands. Use the filters on the left to narrow by type, BTU, price, or brand. Not sure which size you need? Use our free BTU calculator →
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Frigidaire
Frigidaire 12,000 BTU Smart Window AC — Wi-Fi, Alexa
12,000 BTU550 sq ftWi-FiAlexa
$379$449Save $70
$80 Off
Midea
Midea 10,000 BTU Portable Air Conditioner + Dehumidifier
10,000 BTU450 sq ftPortableDehumidifier
$349$429Save $80
#1 Rated
Mitsubishi
Mitsubishi 12,000 BTU Mini Split Heat Pump — 22 SEER
12,000 BTU22 SEERHeat PumpQuiet
$1,249$1,499Save $250
Energy Star
GE
GE 6,000 BTU Window Air Conditioner — Electronic Controls
6,000 BTU250 sq ft115V
$199$239Save $40
New
Daikin
Daikin 9,000 BTU Mini Split — 19 SEER, Single Zone
9,000 BTU19 SEERSingle Zone
$849$999Save $150
Top Rated
LG
LG 14,000 BTU Dual Inverter Portable AC — Wi-Fi
14,000 BTU700 sq ftWi-FiDual Hose
$549$649Save $100
Sale
Hisense
Hisense 10,000 BTU Window AC — Smart Wi-Fi, Voice Control
10,000 BTU450 sq ftWi-FiGoogle
$259$329Save $70
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Air Conditioners — Common Questions Answered
What are the different types of air conditioners? AI Answer
There are five main types of air conditioners: window units, portable ACs, ductless mini splits, central AC systems, and through-the-wall units. Each suits a different home type and budget.
- Window AC — most common, best for apartments. Installs in a window frame. $150–$600.
- Portable AC — no installation. Vents through a window kit. Great for renters. $250–$800.
- Ductless mini split — wall-mounted, no ducts needed, most energy efficient. $700–$2,500.
- Central AC — whole-home cooling through existing ductwork. $1,500–$5,000.
- Through-the-wall AC — permanently installed through an exterior wall. $300–$900.
Which air conditioners are most energy efficient? AI Answer
Ductless mini split air conditioners are the most energy efficient, with SEER ratings of 18–30+. Look for the Energy Star label on any type for certified efficiency.
Energy efficiency in air conditioners is measured by the SEER (Seasonal Energy Efficiency Ratio). The higher the SEER, the less electricity used per unit of cooling delivered.
- Mini splits: 18–30 SEER — best efficiency available
- Central AC: 14–22 SEER
- Window AC: 10–15 SEER
- Portable AC: 8–12 SEER — least efficient per dollar
If you run your AC for 5+ months per year, the efficiency savings from a higher-SEER unit typically pay back the price premium within 3–5 years. Shop Energy Star certified air conditioners →
What brand air conditioners are the most reliable? AI Answer
LG and Frigidaire are the most reliable window AC brands. Mitsubishi and Daikin lead for mini split reliability. All are backed by 5–12 year compressor warranties.
- LG — top rated for window and portable ACs. Excellent build quality and customer satisfaction.
- Frigidaire — widest range of window units. Consistent reliability across all price points.
- Mitsubishi Electric — industry gold standard for mini splits. 40+ years of ductless expertise.
- Daikin — world’s largest HVAC manufacturer. Exceptional engineering for mini splits and commercial systems.
- GE — strong mid-range option for window units with nationwide service network.
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