- By: Alina Samarskaya
- Solar PV panels
- Updated: May 19, 2026
Air Conditioners
Select Room size
Costway 10k BTU 4-in-1 Portable Air Conditioner 350 sq ft (White)
- TypePortable
- BTU Capacity10000 BTU
- Max. Coverage Area350 sq.ft.
Delivery on Jun 17–23
ROVSUN 11.5k BTU Mini Split Air Conditioner with Heat Pump (17 SEER2, 115V)
- TypeMini-Splits
- BTU Capacity11500 BTU
- Max. Coverage Area550 sq.ft.
- Tonnage1 Ton
- SEER217.0 SEER2
Delivery on Jun 17–23
Turbro Greenland 9k BTU Mini Split Air Conditioner with Heat Pump (24 SEER2, 115V)
- TypeMini-Splits
- BTU Capacity9000 BTU
- Max. Coverage Area400 sq.ft.
- Tonnage0.75 Ton
- SEER224.0 SEER2
Delivery on Jun 17–23
BHI 12k BTU Mini Split Air Conditioner with Heat Pump (17 SEER2, 115V)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area600 sq.ft.
- Tonnage1 Ton
- SEER217.0 SEER2
Delivery on Jun 17–23
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53 itemsCostway Blast 9k BTU Mini Split Air Conditioner with Heat Pump (17 SEER2, 208-230V)
- TypeMini-Splits
- BTU Capacity9000 BTU
- Max. Coverage Area450 sq.ft.
- Tonnage0.75 Ton
- SEER217.0 SEER2
Delivery on Jun 17–23
ROVSUN 11.5k BTU Mini Split Air Conditioner with Heat Pump (17 SEER2, 115V)
- TypeMini-Splits
- BTU Capacity11500 BTU
- Max. Coverage Area550 sq.ft.
- Tonnage1 Ton
- SEER217.0 SEER2
Delivery on Jun 17–23
Turbro Greenland 9k BTU Mini Split Air Conditioner with Heat Pump (24 SEER2, 115V)
- TypeMini-Splits
- BTU Capacity9000 BTU
- Max. Coverage Area400 sq.ft.
- Tonnage0.75 Ton
- SEER224.0 SEER2
Delivery on Jun 17–23
BHI 12k BTU Mini Split Air Conditioner with Heat Pump (17 SEER2, 115V)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area600 sq.ft.
- Tonnage1 Ton
- SEER217.0 SEER2
Delivery on Jun 17–23
Central Air Conditioners
18 itemsMRCOOL VersaPro® 2nd Gen 18k BTU 1.5-Ton 18.8 SEER2 Ducted Central Air Conditioner with Heat Pump
- TypeCentral Systems
- BTU Capacity18000 BTU
- Max. Coverage Area750 sq.ft.
- Tonnage1.5 Ton
- SEER218.8 SEER2
Delivery on Jun 15–18
Costway 24k BTU 2-Ton 18 SEER2 Ducted Central Air Conditioner with Heat Pump
- TypeCentral Systems
- BTU Capacity24000 BTU
- Tonnage2 Ton
- SEER218.0 SEER2
Delivery on Jun 17–23
MRCOOL VersaPro® 2nd Gen 24k BTU 2-Ton 18.1 SEER2 Ducted Central Air Conditioner with Heat Pump
- TypeCentral Systems
- BTU Capacity24000 BTU
- Max. Coverage Area1000 sq.ft.
- Tonnage2 Ton
- SEER218.1 SEER2
Delivery on Jun 15–18
MRCOOL VersaPro® 2nd Gen 30k BTU 2.5-Ton 17 SEER2 Ducted Central Air Conditioner with Heat Pump
- TypeCentral Systems
- BTU Capacity30000 BTU
- Max. Coverage Area1250 sq.ft.
- Tonnage2.5 Ton
- SEER217.0 SEER2
Delivery on Jun 15–18
Air Conditioner Parts & Accessories
52 itemsMRCOOL Advantage Series 9k BTU Wall Mounted - Air Handler (R454B Refrigerant, 115V)
- TypeMini-Splits
- BTU Capacity9000 BTU
- Tonnage0.75 Ton
Delivery on Jun 15–18
MRCOOL Advantage Series 12k BTU Wall Mounted - Air Handler (R454B Refrigerant, 230V)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Tonnage1 Ton
Delivery on Jun 15–18
MRCOOL Advantage Series 12k BTU Wall Mounted - Air Handler (R454B Refrigerant, 115V)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Tonnage1 Ton
Delivery on Jun 15–18
MRCOOL Advantage Series 18k BTU Wall Mounted - Air Handler (R454B Refrigerant, 230V)
- TypeMini-Splits
- BTU Capacity18000 BTU
- Tonnage1.5 Ton
Delivery on Jun 15–18
- Overview
- Articles
Air Conditioner For Sale
With summer temperatures rising 2.1°F since 1970 and energy costs climbing 13% annually, selecting the right air conditioning system affects both your monthly budget and home value.
What Type of Air Conditioner Best Fits Your Living Situation?
Homeowners can choose between central systems, mini-splits, or portable units, while renters face lease restrictions. Window units require no permanent modifications, making them ideal for apartments. Mini-splits offer superior efficiency but need property owner consent.
Calculate cooling load using 20 BTU per square foot, then add 10% for high ceilings or poor insulation to prevent undersizing and premature failure.
How Do Different Air Conditioner Technologies Compare?
| System Type | Cooling Capacity | Energy Efficiency | Upfront Cost | Best For |
|---|---|---|---|---|
| Window AC | 5,000-24,000 BTU | 8-12 EER | $150-$800 | Single rooms, renters |
| Portable AC | 8,000-18,000 BTU | 6-10 EER | $300-$900 | Temporary cooling |
| Mini-Split | 9,000-48,000 BTU | 16-22 SEER | $1,500-$8,000 | Zone cooling |
| Central AC | 18,000-60,000 BTU | 13-20 SEER | $3,000-$15,000 | Whole-home comfort |
Modern mini-splits achieve SEER ratings above 20, nearly double the efficiency of older central systems.
Why Do Energy Costs Vary Between System Types?
Operating costs depend on system efficiency, local electricity rates, and usage patterns. At the national average of $0.13 per kWh, running a 10,000 BTU window unit 8 hours daily costs $95 monthly, while an equivalent mini-split costs only $52 due to superior efficiency.
Efficiency Comparison Table:
| Daily Usage | Window AC (10 EER) | Mini-Split (18 SEER) | Central AC (14 SEER) |
|---|---|---|---|
| 8 hours | $62/month | $52/month | $158/month |
| 12 hours | $93/month | $78/month | $237/month |
What Maintenance Requirements Affect Performance?
Dirty filters reduce airflow by 50%, forcing systems to work harder. Window units and portables need monthly filter cleaning, while central systems require filter replacement every 30-90 days.
Outdoor condenser coils accumulate debris that reduces efficiency by 30% within three years if neglected. Annual professional cleaning costs $150-200 but restores 5-15% efficiency loss.
How Should Climate Conditions Influence Your Selection?
Humidity affects comfort and system selection. Oversized systems cycle rapidly without adequate dehumidification, creating discomfort despite proper temperature control. Variable-speed mini-splits excel in humid climates through precise humidity control.
In humid regions, size systems for humidity removal rather than temperature reduction. Properly sized units running continuously outperform oversized units cycling frequently.
WiFi connectivity enables remote control and adds $50-150 to system cost. Real value comes from usage monitoring and maintenance alerts that prevent costly repairs.
Programmable thermostats reduce energy consumption 10-15% through automatic temperature adjustments during unoccupied periods.
Local building codes often require electrical permits for 240V connections needed by larger units and mini-splits. Permit costs range from $50-200 but ensure safe installation.
HOA restrictions may prohibit visible outdoor equipment. Review covenants before purchasing to avoid installation delays or fines.
🏠 For Renters
Window units and portable systems offer mobility without permanent modifications. Focus on energy efficiency to minimize utility costs.
🏡 For Homeowners
Mini-split and central systems provide long-term value through superior efficiency and increased property value.
💡 Key Decision Factor
Consider your five-year housing situation when making this investment for optimal value.
Conclusion
Air conditioner selection balances upfront cost, operating expenses, and installation constraints. Renters benefit from efficient window units or portable systems. Homeowners should prioritize mini-split or central systems for long-term value and superior efficiency. Consider your five-year housing situation when making this investment.
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