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High Efficiency Air Conditioners
In stock
ROVSUN 9k BTU Mini Split Heat Pump (19 SEER2, 115V, Install Kit)
- TypeMini-Splits
- BTU Capacity9000 BTU
- Max. Coverage Area400 sq.ft.
- Tonnage0.75 Ton
- SEER219.0 SEER2
Free delivery on Mar 19–24
Limited stock
ROVSUN 11.5k BTU Mini Split Heat Pump (17 SEER2, 230V, Install Kit)
- TypeMini-Splits
- BTU Capacity11500 BTU
- Max. Coverage Area550 sq.ft.
- Tonnage1 Ton
- SEER217.0 SEER2
Free delivery on Mar 19–24
In stock
ROVSUN 11.5k BTU Mini Split Heat Pump (17 SEER2, 115V, Install Kit)
- TypeMini-Splits
- BTU Capacity11500 BTU
- Max. Coverage Area550 sq.ft.
- Tonnage1 Ton
- SEER217.0 SEER2
Free delivery on Mar 19–24
In stock
Costway Blast 9k BTU Mini Split Heat Pump (19 SEER2, 115V)
- TypeMini-Splits
- BTU Capacity9000 BTU
- Max. Coverage Area450 sq.ft.
- Tonnage0.75 Ton
- SEER219.0 SEER2
Free delivery on Mar 19–24
Limited stock
ROVSUN 9k BTU Mini Split Heat Pump (19 SEER2, 115V, Install Kit, Black)
- TypeMini-Splits
- BTU Capacity9000 BTU
- Max. Coverage Area400 sq.ft.
- Tonnage0.75 Ton
- SEER219.0 SEER2
Free delivery on Mar 19–24
In stock
Costway Blast 9k BTU Mini Split Heat Pump (17 SEER2, 208-230V)
- TypeMini-Splits
- BTU Capacity9000 BTU
- Max. Coverage Area450 sq.ft.
- Tonnage0.75 Ton
- SEER217.0 SEER2
Free delivery on Mar 19–24
In stock
Costway Blast 12k BTU Mini Split Heat Pump (17 SEER2, 208-230V)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area750 sq.ft.
- Tonnage1 Ton
- SEER217.0 SEER2
Free delivery on Mar 19–24
In stock
Costway Blast 12k BTU Mini Split Air Conditioner (20 SEER2, 115V)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area750 sq.ft.
- Tonnage1 Ton
- SEER220.0 SEER2
Free delivery on Mar 19–24
In stock
Costway GreyVolt 12k BTU Mini Split Heat Pump (21 SEER2, 208-230V, Energy Star)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area750 sq.ft.
- Tonnage1 Ton
- SEER221.0 SEER2
Free delivery on Mar 19–24
In stock
ROVSUN 12k BTU Mini Split Heat Pump (21 SEER2, 115V, Install Kit)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area550 sq.ft.
- Tonnage1 Ton
- SEER221.0 SEER2
Free delivery on Mar 19–24
In stock
ROVSUN 12k BTU Mini Split Heat Pump (21 SEER2, 230V, Install Kit)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area550 sq.ft.
- Tonnage1 Ton
- SEER221.0 SEER2
Free delivery on Mar 19–24
In stock
- TypeMini-Splits
- BTU Capacity9100 BTU
- Max. Coverage Area450 sq.ft.
- Tonnage0.75 Ton
- SEER220.5 SEER2
Free delivery on Mar 19–24
In stock
Costway Airtural 12k BTU Mini Split Heat Pump (21 SEER2, 208-230V, Energy Star)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area750 sq.ft.
- Tonnage1 Ton
- SEER221.0 SEER2
Free delivery on Mar 19–24
Limited stock
ROVSUN 9k BTU Mini Split Heat Pump (24 SEER2, 115V, Install Kit)
- TypeMini-Splits
- BTU Capacity9000 BTU
- Max. Coverage Area400 sq.ft.
- Tonnage0.75 Ton
- SEER224.0 SEER2
Free delivery on Mar 19–24
Limited stock
Turbro Greenland 9k BTU Ductless Mini Split Heat Pump 115V (R454B Refrigerant)
- TypeMini-Splits
- BTU Capacity9000 BTU
- Max. Coverage Area400 sq.ft.
- Tonnage0.75 Ton
- SEER224.0 SEER2
Free delivery on Mar 19–24
Limited stock
Turbro Greenland 9k BTU Ductless Mini Split Heat Pump 230V (R454B Refrigerant)
- TypeMini-Splits
- BTU Capacity9000 BTU
- Max. Coverage Area400 sq.ft.
- Tonnage0.75 Ton
- SEER224.0 SEER2
Free delivery on Mar 19–24
Limited stock
ROVSUN 12k BTU Mini Split Heat Pump (21 SEER2, 115V, Install Kit, Black)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area550 sq.ft.
- Tonnage1 Ton
- SEER221.0 SEER2
Free delivery on Mar 19–24
In stock
Costway Airtural 12k BTU Mini Split Heat Pump (22 SEER2, 115V, WiFi Enabled)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area750 sq.ft.
- Tonnage1 Ton
- SEER222.0 SEER2
Free delivery on Mar 19–24
Limited stock
ROVSUN 12k BTU Mini Split Heat Pump (23 SEER2, 115V, Install Kit)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area550 sq.ft.
- Tonnage1 Ton
- SEER223.0 SEER2
Free delivery on Mar 19–24
Limited stock
ROVSUN 12k BTU Mini Split Heat Pump (24 SEER2, 230V, Install Kit)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area550 sq.ft.
- Tonnage1 Ton
- SEER224.0 SEER2
Free delivery on Mar 19–24
In stock
BHI 12k BTU Mini Split Heat Pump (Wall Mount, 17 SEER2, 115V, R-32, 16.4 ft Lineset)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area600 sq.ft.
- Tonnage1 Ton
- SEER217.0 SEER2
Delivery on Mar 19–24
In stock
BHI 12k BTU Mini Split Heat Pump (17 SEER2, 115V, Wi-Fi Control, Wall Mount, R-32, 16.4 ft Lineset)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area600 sq.ft.
- Tonnage1 Ton
- SEER217.0 SEER2
Delivery on Mar 19–24
Limited stock
ROVSUN 17k BTU Mini Split Heat Pump (17 SEER2, 230V, Install Kit)
- TypeMini-Splits
- BTU Capacity17000 BTU
- Max. Coverage Area1000 sq.ft.
- Tonnage1.4 Ton
- SEER217.0 SEER2
Free delivery on Mar 19–24
Limited stock
Turbro Greenland 12k BTU Ductless Mini Split Heat Pump 115V (R454B Refrigerant)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area550 sq.ft.
- Tonnage1 Ton
- SEER223.0 SEER2
Free delivery on Mar 19–24
Limited stock
Turbro Greenland 12k BTU Ductless Mini Split Heat Pump 230V (R454B Refrigerant)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area550 sq.ft.
- Tonnage1 Ton
- SEER224.0 SEER2
Free delivery on Mar 19–24
Limited stock
BHI 12k BTU Mini Split Heat Pump (Wall Mount, 20.5 SEER2, 115V, R-454B, 16.4 ft Lineset)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area600 sq.ft.
- Tonnage1 Ton
- SEER220.5 SEER2
Delivery on Mar 19–24
Limited stock
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area600 sq.ft.
- Tonnage1 Ton
- SEER220.5 SEER2
Delivery on Mar 19–24
Limited stock
ROVSUN 18k BTU Mini Split Heat Pump (21 SEER2, 230V, Install Kit)
- TypeMini-Splits
- BTU Capacity18000 BTU
- Max. Coverage Area1000 sq.ft.
- Tonnage1.5 Ton
- SEER221.0 SEER2
Free delivery on Mar 19–24
Limited stock
Costway SEERXtreme 12k BTU Mini Split Heat Pump (24 SEER2, 208-230V, Energy Star, Heating at -15°F)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area750 sq.ft.
- Tonnage1 Ton
- SEER224.0 SEER2
Free delivery on Mar 19–24
In stock
Costway Blast 18k BTU Mini Split Heat Pump (19 SEER2, 208-230V)
- TypeMini-Splits
- BTU Capacity18000 BTU
- Max. Coverage Area1250 sq.ft.
- Tonnage1.5 Ton
- SEER219.0 SEER2
Free delivery on Mar 19–24
In stock
Costway Airtural 18k BTU Mini Split Heat Pump (21 SEER2, 208-230V, Energy Star)
- TypeMini-Splits
- BTU Capacity18000 BTU
- Max. Coverage Area1250 sq.ft.
- Tonnage1.5 Ton
- SEER221.0 SEER2
Free delivery on Mar 19–24
In stock
Costway GreyVolt 18k BTU Mini Split Heat Pump (21 SEER2, 208-230V, Energy Star)
- TypeMini-Splits
- BTU Capacity18000 BTU
- Max. Coverage Area1250 sq.ft.
- Tonnage1.5 Ton
- SEER221.0 SEER2
Free delivery on Mar 19–24
Limited stock
ROVSUN 18k BTU Mini Split Heat Pump (23 SEER2, 230V, Install Kit)
- TypeMini-Splits
- BTU Capacity18000 BTU
- Max. Coverage Area1000 sq.ft.
- Tonnage1.5 Ton
- SEER223.0 SEER2
Free delivery on Mar 19–24
In stock
Costway Blast 24k BTU Mini Split Heat Pump (18.5 SEER2, 208-230V)
- TypeMini-Splits
- BTU Capacity24000 BTU
- Max. Coverage Area1500 sq.ft.
- Tonnage2 Ton
- SEER218.5 SEER2
Free delivery on Mar 19–24
Limited stock
ROVSUN 24k BTU Mini Split Heat Pump (21 SEER2, 230V, Install Kit)
- TypeMini-Splits
- BTU Capacity24000 BTU
- Max. Coverage Area1500 sq.ft.
- Tonnage2 Ton
- SEER221.0 SEER2
Free delivery on Mar 19–24
Limited stock
Costway SEERXtreme 18k BTU Mini Split Heat Pump (25 SEER2, 208-230V, Energy Star, Heating at -15°F)
- TypeMini-Splits
- BTU Capacity18000 BTU
- Max. Coverage Area1250 sq.ft.
- Tonnage1.5 Ton
- SEER225.0 SEER2
Free delivery on Mar 19–24
Limited stock
BHI 24k BTU Mini Split Heat Pump (Wall Mount, 17 SEER2, 230V, R-32, 16.4 ft Lineset)
- TypeMini-Splits
- BTU Capacity24000 BTU
- Max. Coverage Area1200 sq.ft.
- Tonnage2 Ton
- SEER217.0 SEER2
Delivery on Mar 19–24
Limited stock
Turbro Greenland 18k BTU Ductless Mini Split Heat Pump 230V (R454B Refrigerant)
- TypeMini-Splits
- BTU Capacity18000 BTU
- Max. Coverage Area1000 sq.ft.
- Tonnage1.5 Ton
- SEER223.0 SEER2
Free delivery on Mar 19–24
Limited stock
Costway 24k BTU Mini Split Heat Pump (21 SEER2, 208-230V, WiFi Enabled, Energy Star)
- TypeMini-Splits
- BTU Capacity24000 BTU
- Max. Coverage Area1500 sq.ft.
- Tonnage2 Ton
- SEER221.0 SEER2
Free delivery on Mar 19–24
Limited stock
Costway Airtural 24k BTU Mini Split Heat Pump (21 SEER2, 208-230V, WiFi Enabled, Energy Star)
- TypeMini-Splits
- BTU Capacity24000 BTU
- Max. Coverage Area1500 sq.ft.
- Tonnage2 Ton
- SEER221.0 SEER2
Free delivery on Mar 19–24
Limited stock
Costway GreyVolt 24k BTU Mini Split Heat Pump (21 SEER2, 208-230V, WiFi Enabled, Energy Star)
- TypeMini-Splits
- BTU Capacity24000 BTU
- Max. Coverage Area1500 sq.ft.
- Tonnage2 Ton
- SEER221.0 SEER2
Free delivery on Mar 19–24
Limited stock
Turbro Greenland 24k BTU Ductless Mini Split Heat Pump 230V (R454B Refrigerant)
- TypeMini-Splits
- BTU Capacity18000 BTU
- Max. Coverage Area1500 sq.ft.
- Tonnage2 Ton
- SEER223.0 SEER2
Free delivery on Mar 19–24
Limited stock
BHI 24k BTU Mini Split Heat Pump (Wall Mount, 17 SEER2, 230V, Wi-Fi Control, R-32, 16.4 ft Lineset)
- TypeMini-Splits
- BTU Capacity24000 BTU
- Max. Coverage Area1200 sq.ft.
- Tonnage2 Ton
- SEER217.0 SEER2
Delivery on Mar 19–24
Limited stock
- TypeMini-Splits
- BTU Capacity9000 BTU
- Max. Coverage Area400 sq.ft.
- Tonnage0.75 Ton
- SEER220.2 SEER2
Free delivery on Mar 17–20
Limited stock
- TypeMini-Splits
- BTU Capacity18000 BTU
- Max. Coverage Area800 sq.ft.
- Tonnage1.5 Ton
- SEER220.0 SEER2
Free delivery on Mar 17–20
Limited stock
ROVSUN 28k BTU Mini Split Heat Pump (2-Zone, 9k+12k, 20 SEER2, 230V, Install Kit)
- TypeMini-Splits
- BTU Capacity28000 BTU
- Max. Coverage Area950 sq.ft.
- Tonnage2.3 Ton
- SEER220.0 SEER2
Free delivery on Mar 19–24
Limited stock
BHI 36k BTU Mini Split Heat Pump (Wall Mount, 17 SEER2, 230V, R-32, 16.4 ft Lineset)
- TypeMini-Splits
- BTU Capacity36000 BTU
- Max. Coverage Area1800 sq.ft.
- Tonnage3 Ton
- SEER217.0 SEER2
Delivery on Mar 19–24
Limited stock
ROVSUN 28k BTU Mini Split Heat Pump (2-Zone, 12k+12k, 20 SEER2, 230V, Install Kit)
- TypeMini-Splits
- BTU Capacity28000 BTU
- Max. Coverage Area950 sq.ft.
- Tonnage2.3 Ton
- SEER220.0 SEER2
Free delivery on Mar 19–24
Limited stock
ROVSUN 28k BTU Mini Split Heat Pump (2-Zone, 9k+18k, 20 SEER2, 230V, Install Kit)
- TypeMini-Splits
- BTU Capacity28000 BTU
- Max. Coverage Area950 sq.ft.
- Tonnage2.3 Ton
- SEER220.0 SEER2
Free delivery on Mar 19–24
Limited stock
ROVSUN 28k BTU Mini Split Heat Pump (2-Zone, 12k+18k, 20 SEER2, 230V, Install Kit)
- TypeMini-Splits
- BTU Capacity28000 BTU
- Max. Coverage Area950 sq.ft.
- Tonnage2.3 Ton
- SEER220.0 SEER2
Free delivery on Mar 19–24
Limited stock
BHI 36k BTU Mini Split Heat Pump (Wall Mount, 17 SEER2, 230V, Wi-Fi Control, R-32, 16.4 ft Lineset)
- TypeMini-Splits
- BTU Capacity36000 BTU
- Max. Coverage Area1800 sq.ft.
- Tonnage3 Ton
- SEER217.0 SEER2
Delivery on Mar 19–24
Limited stock
ROVSUN 28k BTU Mini Split Heat Pump (2-Zone, 18k+18k, 20 SEER2, 230V, Install Kit)
- TypeMini-Splits
- BTU Capacity28000 BTU
- Max. Coverage Area950 sq.ft.
- Tonnage2.3 Ton
- SEER220.0 SEER2
Free delivery on Mar 19–24
Limited stock
MRCOOL DIY 5th Generation 9k BTU Heat Pump Mini Split - Complete System (454B Refrigerant)
- TypeMini-Splits
- BTU Capacity9000 BTU
- Max. Coverage Area400 sq.ft.
- Tonnage0.75 Ton
- SEER223.6 SEER2
Free delivery on Mar 17–20
Limited stock
- TypeMini-Splits
- BTU Capacity24000 BTU
- Max. Coverage Area1050 sq.ft.
- Tonnage2 Ton
- SEER218.9 SEER2
Free delivery on Mar 17–20
Limited stock
MRCOOL DIY 5th Generation 12k BTU Heat Pump Mini Split - Complete System (454B Refrigerant)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area550 sq.ft.
- Tonnage1 Ton
- SEER223.5 SEER2
Free delivery on Mar 17–20
Limited stock
MRCOOL VersaPro® 2nd Gen 18k BTU Central Ducted Heat Pump Split - Complete System (454B Refrigerant)
- TypeCentral Systems
- BTU Capacity18000 BTU
- Max. Coverage Area750 sq.ft.
- Tonnage1.5 Ton
- SEER218.8 SEER2
Free delivery on Mar 17–20
Limited stock
MRCOOL DIY 5th Generation 18k BTU Heat Pump Mini Split - Complete System (454B Refrigerant)
- TypeMini-Splits
- BTU Capacity18000 BTU
- Max. Coverage Area800 sq.ft.
- Tonnage1.5 Ton
- SEER222.5 SEER2
Free delivery on Mar 17–20
Limited stock
MRCOOL VersaPro® 2nd Gen 30k BTU Central Ducted Heat Pump Split - Complete System (454B Refrigerant)
- TypeCentral Systems
- BTU Capacity30000 BTU
- Max. Coverage Area1250 sq.ft.
- Tonnage2.5 Ton
- SEER217.0 SEER2
Free delivery on Mar 17–20
Limited stock
MRCOOL DIY 5th Generation 24k BTU Heat Pump Mini Split - Complete System (454B Refrigerant)
- TypeMini-Splits
- BTU Capacity24000 BTU
- Max. Coverage Area1050 sq.ft.
- Tonnage2 Ton
- SEER222.7 SEER2
Free delivery on Mar 17–20
Limited stock
MRCOOL DIY 5th Generation 36k BTU Heat Pump Mini Split - Complete System (454B Refrigerant)
- TypeMini-Splits
- BTU Capacity36000 BTU
- Max. Coverage Area1550 sq.ft.
- Tonnage3 Ton
- SEER218.0 SEER2
Free delivery on Mar 17–20
- Overview
- Articles
High Efficiency Air Conditioners For Sale
Modern high efficiency air conditioners achieve SEER ratings of 16-25 , compared to older units operating at 8-10 SEER, delivering electricity bill reductions of 40-60% through variable-speed compressors, advanced heat exchangers, and smart inverter controls that eliminate energy waste.
What Makes an Air Conditioner "High Efficiency" in Today's Market?
High efficiency air conditioners feature variable-speed compressors that modulate output based on cooling demands, advanced heat exchanger designs for maximum thermal transfer, and smart inverter controls eliminating traditional on-off cycling waste.
True high efficiency begins at SEER 16 for central systems and SEER 20 for ductless mini-splits, with premium models reaching SEER 25-30. Energy Star requires minimum SEER 15-16, but quality high efficiency models significantly exceed these thresholds.
Expert Tip
Focus on SEER2 ratings rather than legacy SEER ratings. The updated SEER2 testing methodology provides more accurate real-world performance predictions under varying conditions.
How Much Can High Efficiency Air Conditioners Save on Electric Bills?
Documented savings consistently range from $300-1,200 annually for typical American households. A 2,000 square foot Phoenix home replacing a 10 SEER system with 20 SEER expects approximately $800 annual cooling cost reductions. Atlanta or Houston homes often see the highest savings due to extended operating periods and superior dehumidification capabilities.
| Climate Zone | Annual Savings | Payback Period | 10-Year ROI |
|---|---|---|---|
| Hot-Dry (Phoenix, Las Vegas) | $700-1,200 | 6-8 years | 180-220% |
| Hot-Humid (Houston, Miami) | $600-1,000 | 7-9 years | 160-200% |
| Mixed-Humid (Atlanta, Charlotte) | $400-700 | 8-10 years | 140-180% |
| Cold (Minneapolis, Chicago) | $300-500 | 10-12 years | 120-150% |
💡 High efficiency systems also reduce peak demand charges, qualify for utility rebates averaging $200-800, and increase property values by $1,500-3,000.
Which Type Works Best for Different Home Configurations?
🏠 Central Ducted Systems
Excel with existing quality ductwork and consistent cooling needs. Variable-speed air handlers paired with modulating outdoor units achieve remarkable efficiency by matching capacity to load requirements.
🎯 Ductless Mini-Split Systems
Eliminate duct losses (typically 20-30% in older homes) and allow precise zone control, ideal for additions, older homes with poor ductwork, or diverse comfort preferences. Multi-zone systems serve 2-8 indoor units from a single outdoor condenser.
🔄 Hybrid Heat Pump Systems
Combine high efficiency cooling with heating capability, automatically switching between electric heat pump operation and backup heat based on outdoor temperatures and utility rates.
Advanced Features That Separate Premium Models from Basic Units
Variable-speed compressor technology allows 25-100% capacity operation rather than simple on-off cycling, maintaining precise temperature control while dramatically reducing energy consumption and eliminating temperature swings.
Smart connectivity enables remote monitoring, automated maintenance alerts, and integration with home energy management systems. Premium models learn occupancy patterns, adjust operation based on weather forecasts, and coordinate with smart thermostats.
Expert Tip
Prioritize models with communicating controls allowing indoor and outdoor units to share real-time data. This coordination optimizes performance in ways non-communicating systems cannot match.
High Efficiency Air Conditioner Performance Comparison
| System Type | SEER2 Range | Best Applications | Typical Cost Range |
|---|---|---|---|
| Single-Stage Central | 16-18 | Budget-conscious, mild climates | $3,500-5,500 |
| Variable-Speed Central | 20-24 | Quality ductwork, consistent loads | $5,000-8,500 |
| Premium Ductless Mini-Split | 22-30 | Zone control, duct issues | $3,000-6,000 per zone |
| Geothermal Heat Pump | 25-35 EER | Long-term investment, suitable geology | $15,000-25,000 |
What to Look for When Shopping
Evaluate SEER2 ratings for most accurate efficiency comparison, and HSPF2 ratings for heat pumps. Look for ENERGY STAR Most Efficient designation identifying the top 25% of certified products. Sound ratings below 60 decibels ensure quiet operation.
How important is proper sizing?
Proper sizing requires Manual J load calculations by certified technicians—oversized units sacrifice efficiency and comfort, while undersized systems struggle during peak conditions. Installation quality significantly impacts real-world performance, with poor installation reducing efficiency by 20-40%.
What should I look for in an installer?
Verify installers hold manufacturer certifications, provide detailed proposals including ductwork evaluation, and offer comprehensive warranties covering both equipment and labor. Quality high efficiency systems from established manufacturers typically provide 15-20 years of reliable service with proper maintenance.
❄️ Ready to Save on Energy Bills?
Get quotes from certified installers in your area for high efficiency air conditioners that can cut your cooling costs by up to 60%.
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