Customer reviews & Questions
Specification
| Series | GreyVolt |
| Zones | 1 |
| Manufacturer | Costway |
| Manufacturer Part # | FP10791US-HS+ |
| Type | Mini-Splits |
| BTU Capacity | 12000BTU |
| Max. Coverage Area | 750sqft |
| Tonnage | 1 |
| Refrigerant Compatibility | R32 |
| Number of speeds | 3 |
| Phase | 1 |
| Voltage | 208-230V |
| Decibel Rating | 23dBA |
| Mount type | Wall |
| Filter Type | Reusable |
| Color | Gray |
| Features |
|
| Air Handler Dimensions LxWxH | 30 x 8 x 11.5in |
| Condenser Dimensions L x W x H | 28 x 11 x 21in |
| SEER2 | 21.0 |
| Warranty | 8 Years |
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About product
The GreyVolt Series 12,000 BTU Mini Split AC is ideal for bedrooms, living rooms, and home offices up to 750 sq. ft., where its stylish gray indoor unit complements modern decor while providing targeted ductless cooling and heating.
This Energy Star-certified unit offers 4 modes (cool, heat, dry, fan) with inverter technology for 21 SEER2/10 HSPF2 efficiency, ECO mode, and up to 60% energy savings over electric resistance heating. A 24-hour timer, ≤23 dB quiet operation, and 51 pints/day dehumidification ensure peaceful rest and humidity control, while auto defrost extends reliability.
The sleek gray design pairs with R32 refrigerant for eco-friendly performance and lower greenhouse gas emissions. Self-cleaning at 134.6°F, washable filters, and voice/remote control simplify maintenance. Pre-charged condenser, full installation kit on 208-230V power, ETL certification, plus 8-year compressor/5-year parts warranty deliver hassle-free, high-efficiency comfort.
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90 productsWith 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.
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.
| 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.
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.
| 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 |
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.
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.
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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