Duct Free Systems
Duct free heating and cooling systems make your home's individual rooms or other small spaces more comfortable. Remember, just like whole-home systems, the higher the SEER/SEER2 and HSPF/HSPF2 ratings, the more efficient they will be.
The DOE’s regional breakdown by state is as follows:
- North
- 14.0 SEER/ 13.4 SEER2
- 8.8 HSPF/7.5 HSPF2
- Southeast
- 15.0 SEER/ 14.3 SEER2
- 12.2 EER/11.7 EER2
- 8.8 HSPF/7.5 HSPF2
- Southwest
- 15.0 SEER/ 14.3 SEER2
- 12.2 EER/11.7 EER2
- 8.8 HSPF/7.5 HSPF2
SEER/SEER2 And HSPF/HSPF2
SEER2 is an updated rating standard introduced by the DOE. SEER2 standards are intended to provide a better gauge of typical home operating conditions whereas the older SEER rating utilized very precise protocols to determine ratings in ideal conditions. SEER2 standards include updated testing means that give a better indication of how a unit will operate in the real world.
HSPF2 is the newest type of rating system that expands on the basic HSPF scale.
Much like miles-per-gallon for a car, SEER/SEER2, EER/EER2 and HSPF/HSPF2 offer an easy way to compare efficiencies of different products – the higher the rating, the more efficient the unit. Just be sure you are comparing either SEER vs SEER or SEER2 vs SEER2 (same for EER/EER2 and HSPF/HSPF2).
EER2 vs. SEER2
EER2 and SEER2 both evaluate an air conditioner’s energy efficiency, but they’re concerned with two different types of temperature conditions:
- EER2 measures an air conditioner’s efficiency at the peak cooling temperature of 95°F.
- SEER2 measures an air conditioner’s efficiency throughout an entire cooling season, with temperatures ranging from 65°F to 104°F.
Call Sterling Heating And Air Conditioning LLC To Find Out If Duct-Free Systems Are Right For You.
We offer a variety of through-the-wall packaged terminal air conditioners (PTAC) and duct free heating and cooling systems to meet any individual room's needs. Call us now at (470) 678-8900.
Ductless Outdoor Heat Pumps
Evolution® Heat Pump with Basepan HeaterView Brochure |
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Model Family: 38MPRB |
Purpose: Heat & Cool |
Zone Capability: Single Zone |
Efficiency SEER2: Up to 28.5 SEER2 |
Efficiency EER2: Up to 16.0 EER2 |
Efficiency HSPF2: Up to 18.0 HSPF2 |
Energy Star Rated: ENERGY STAR® certified |
Refrigerant Type: R410A |
Sound Level: As low as 55.5 decibels |
Compressor: Inverter Compressor |
Factory Warranty Parts: 10-year parts limited warranty to the original purchasing owner upon timely registration |
Factory Warranty Compressor: 10-year compressor limited warranty to the original purchasing owner upon timely registration |
Manufacturer's Stated Benefits:
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Preferred Heat Pump with Basepan HeaterView Brochure |
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Model Family: 38MARB |
Purpose: Heat and Cool |
Zone Capability: Single zone |
Efficiency SEER2: Up to 28.1 SEER2 |
Efficiency EER2: up to 16.2 EER2 |
Efficiency HSPF2: Up to 12.4 HSPF2 |
Energy Star Rated: Some sizes qualified |
Refrigerant Type: R-410A |
Sound Level: as low as 54 dB(A) |
Compressor: Inverter Driven Compressor |
Factory Warranty Parts: 10-Year Parts Limited Warranty |
Factory Warranty Compressor: 10 year compressor warranty |
Manufacturer's Stated Benefits:
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Preferred Multi-zone Heat Pump with Basepan HeaterView Brochure |
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Model Family: 38MGRB |
Purpose: Heat and Cool |
Zone Capability: Multi-zone |
Efficiency SEER2: Up to 23.9 SEER2 |
Efficiency EER2: up to 13.9 EER2 |
Efficiency HSPF2: Up to 10.5 HSPF2 |
Energy Star Rated: Select sizes are ENERGY STAR® certified based on indoor unit combinations |
Refrigerant Type: R410A |
Sound Level: As low as 59 dB(A) |
Compressor: Inverter Compressor |
Factory Warranty Parts: 10-year parts limited warranty |
Factory Warranty Compressor: 10-year compressor limited warranty |
Manufacturer's Stated Benefits:
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Legacy Line Heat PumpView Brochure |
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Model Family: 38MHRCQ |
Purpose: Heat & Cool |
Zone Capability: Single Zone |
Efficiency SEER2: Up to 21.5 SEER2 |
Efficiency EER2: Up to 12.6 EER2 |
Efficiency HSPF2: Up to 9.4 HSPF2 |
Energy Star Rated: N/A |
Refrigerant Type: Puron® |
Sound Level: As low as 53.5 decibels |
Compressor: Inverter Compressor |
Factory Warranty Parts: 10-year parts limited warranty to the original purchasing owner upon timely registration |
Factory Warranty Compressor: 10-year compressor limited warranty to the original purchasing owner upon timely registration |
Manufacturer's Stated Benefits:
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Ductless High Wall Indoor Heat Pumps
Evolution® Indoor Ductless High Wall UnitView Brochure |
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Model Family: 619PHB |
Purpose: Heat & Cool |
Zone Capability: Single Zone and Multizone |
Efficiency SEER2: Dependent upon outdoor unit pairing |
Efficiency EER2: Dependent upon outdoor unit pairing |
Efficiency HSPF2: Dependent upon outdoor unit pairing |
Matching Outdoor Unit: Single-Zone: 38MARB |
Matching Outdoor Unit: Multi-Zone: 38MGRB |
Energy Star Rated: ENERGY STAR® certified |
Refrigerant Type: Puron® |
Number of Fan Speeds: Fully modulating fan speeds |
Sound Level: As low as 29 decibels |
Wireless Remote: Yes |
Factory Warranty Parts: 10-year parts limited and 10-year compressor limited warranties to the original purchasing owner upon timely registration |
Manufacturer's Stated Benefits:
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Preferred™ High Wall Indoor UnitView Brochure |
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Model Family: 619AHB |
Purpose: Heat and Cool |
Zone Capability: Single zone |
Efficiency SEER2: Dependent upon outdoor unit pairing |
Efficiency EER2: Dependent upon outdoor unit pairing |
Efficiency HSPF2: Dependent upon outdoor unit pairing |
Matching Outdoor Unit: Single-Zone: 38MARB |
Matching Outdoor Unit: Multi-Zone: 38MGRB |
Energy Star Rated: Select systems with ENERGY STAR® certification |
Refrigerant Type: Puron |
Number of Fan Speeds: 4 |
Sound Level: As low as 24 dB(A) |
Wireless Remote: Yes |
Factory Warranty Parts: 10-Year Parts Limited Warranty |
Manufacturer's Stated Benefits:
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Legacy™ Line High Wall Indoor UnitView Brochure |
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Model Family: 40MHHAQ |
Purpose: Heat & Cool |
Zone Capability: Single Zone and Multizone |
Efficiency SEER2: Dependent upon outdoor unit pairing |
Efficiency EER2: Dependent upon outdoor unit pairing |
Efficiency HSPF2: Dependent upon outdoor unit pairing |
Matching Outdoor Unit: Single-Zone: 38MHRQ |
Matching Outdoor Unit: Multi-Zone: N/A |
Energy Star Rated: No |
Refrigerant Type: R-410A |
Number of Fan Speeds: Four fan speeds |
Sound Level: As low as 27 decibels |
Wireless Remote: Yes |
Factory Warranty Parts: 10-year parts limited warranty to the original purchasing owner upon timely registration |
Manufacturer's Stated Benefits:
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Ductless High Wall Indoor Air Conditioners
Legacy Line™ Indoor Ductless High Wall Cooling-Only UnitView Brochure |
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Model Family: 40MHHAC |
Purpose: Cool Only |
Zone Capability: Single Zone |
Efficiency SEER2: Dependent upon outdoor unit pairing |
Efficiency EER2: Dependent upon outdoor unit pairing |
Matching Outdoor Unit: Single-Zone: 38MHRCC |
Matching Outdoor Unit: Multi-Zone: N/A |
Energy Star Rated: No |
Refrigerant Type: Puron® |
Number of Fan Speeds: Up to 4 Fan Speeds |
Sound Level: As low as 27 decibels |
Wireless Remote: Yes |
Factory Warranty Parts: 10-year parts limited warranty to the original purchasing owner upon timely registration |
Manufacturer's Stated Benefits:
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Ductless Outdoor Air Conditioners
Legacy™ Line Air ConditionerView Brochure |
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Model Family: 38MHRCC |
Purpose: Cooling |
Efficiency SEER2: Up to 20.5 SEER2 |
Efficiency EER2: Up to 11.2 EER2 |
Zone Capability: Single Stage |
Energy Star Rated: N/A |
Refrigerant Type: R-410A |
Sound Level: Quiet Operation |
Compressor: Inverter Compressor |
Factory Warranty Parts: 10-year parts limited warranty upon registration |
Factory Warranty Compressor: 10-year compressor limited warranty upon registration |
Manufacturer's Stated Benefits:
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Bryant Alternate Indoor Ductless Units
Preferred™ Cassette Indoor UnitView Brochure |
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Model Family: 40MBCQ |
Purpose: Heat & Cool |
Zone Capability: Single and Multi Zone |
Efficiency SEER2: Dependent upon outdoor unit pairing |
Efficiency EER2: Dependent upon outdoor unit pairing |
Efficiency HSPF2: Dependent upon outdoor unit pairing |
Matching Outdoor Unit: Single-Zone: 38MARB |
Matching Outdoor Unit: Multi-Zone: 38MGRB |
Energy Star Rated: N/A |
Refrigerant Type: PURON ® |
Number of Fan Speeds: Three fan speeds |
Sound Level: As low as 34 decibels |
Wireless Remote: Yes |
Factory Warranty Parts: 10-year parts limited warranty to the original purchasing owner upon timely registration |
Manufacturer's Stated Benefits:
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Preferred™ Ducted Indoor UnitView Brochure |
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Model Family: 40MBDQ |
Purpose: Heat & Cool |
Zone Capability: Single and Multi Zone |
Efficiency SEER2: Dependent upon outdoor unit pairing |
Efficiency EER2: Dependent upon outdoor unit pairing |
Efficiency HSPF2: Dependent upon outdoor unit pairing |
Matching Outdoor Unit: Single-Zone: 38MAR |
Matching Outdoor Unit: Multi-Zone: 38MGRB |
Energy Star Rated: ENERGY STAR® Some sizes qualified |
Refrigerant Type: Puron® |
Number of Fan Speeds: N/A |
Sound Level: As low as 35 decibels |
Wireless Remote: Yes |
Factory Warranty Parts: 10-year parts limited warranty to the original purchasing owner upon timely registration |
Manufacturer's Stated Benefits:
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Preferred™ Floor Console Indoor UnitView Brochure |
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Model Family: 40MBFQ |
Purpose: Heat & Cool |
Zone Capability: Single and Multi Zone |
Efficiency SEER2: Dependent upon outdoor unit pairing |
Efficiency EER2: Dependent upon outdoor unit pairing |
Efficiency HSPF2: Dependent upon outdoor unit pairing |
Matching Outdoor Unit: Single-Zone: 38MARB |
Matching Outdoor Unit: Multi-Zone: 38MGRB |
Energy Star Rated: ENERGY STAR® |
Refrigerant Type: Puron® |
Number of Fan Speeds: Three fan speeds |
Sound Level: As low as 37.8 decibels |
Wireless Remote: Yes |
Factory Warranty Parts: 10-year parts limited and 10-year compressor limited warranties to the original purchasing owner upon timely registration |
Manufacturer's Stated Benefits:
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