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 Hely Heating and Air Conditioning 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 636-305-9555.
Ductless Outdoor Heat Pumps
NAXSPB Outdoor Ductless Heat PumpView Brochure |
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Model Family: NAXSPB |
Purpose: Heat & Cool |
Zone Capability: Single zone |
Efficiency SEER2: Up to 33.1 SEER2 |
Efficiency EER2: N/A |
Efficiency HSPF2: Up to 13.5 HSPF2 |
Energy Star Rated: ENERGY STAR® |
Refrigerant Type: R-410A |
Sound Level: Quiet operation |
Compressor: INVERTER-driven compressor |
Factory Warranty Parts: 10-year limited warranty on compressor and functional parts. |
Factory Warranty Compressor: 10-year limited warranty on compressor and functional parts. |
Manufacturer's Stated Benefits:
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NAXSST Outdoor Ductless Heat PumpView Brochure |
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Model Family: NAXSST |
Purpose: Heat & Cool |
Zone Capability: Single zone |
Efficiency SEER2: Up to 24.6 SEER2 |
Efficiency EER2: N/A |
Efficiency HSPF2: Up to 12.8 HSPF2 |
Energy Star Rated: ENERGY STAR® certified |
Refrigerant Type: R-410A |
Sound Level: Quiet operation |
Compressor: INVERTER-driven compressor |
Factory Warranty Parts: 10-year limited warranty on compressor and functional parts. |
Factory Warranty Compressor: 10-year limited warranty on compressor and functional parts. |
Manufacturer's Stated Benefits:
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NAXSMT Pro Line Outdoor Ductless Heat PumpView Brochure |
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Model Family: NAXSMT |
Purpose: Heat & Cool |
Zone Capability: Single zone |
Efficiency SEER2: Up to 18 SEER2 |
Efficiency EER2: N/A |
Efficiency HSPF2: Up to 10 HSPF2 |
Energy Star Rated: ENERGY STAR® |
Refrigerant Type: R-410A |
Sound Level: Quiet operation |
Compressor: INVERTER-driven compressor |
Factory Warranty Parts: 10-year limited warranty on compressor and functional parts. |
Factory Warranty Compressor: 10-year limited warranty on compressor and functional parts. |
Manufacturer's Stated Benefits:
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NAXSKS Outdoor Ductless Heat PumpView Brochure |
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Model Family: NAXSKS |
Purpose: Heat & Cool |
Zone Capability: Single zone |
Efficiency SEER2: N/A |
Efficiency EER2: N/A |
Efficiency HSPF2: N/A |
Energy Star Rated: No |
Refrigerant Type: R-410A |
Sound Level: Quiet operation |
Compressor: INVERTER-driven compressor |
Factory Warranty Parts: 10-year limited warranty on compressor and functional parts. |
Factory Warranty Compressor: 10-year limited warranty on compressor and functional parts. |
Manufacturer's Stated Benefits:
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Ductless High Wall Indoor Heat Pumps
NAXWPH Indoor Ductless High Efficiency Heat PumpView Brochure |
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Model Family: NAXWPH |
Purpose: Heat & Cool |
Zone Capability: Single & Multi Zone |
Efficiency SEER2: Up to 33.1 SEER2 |
Efficiency EER2: N/A |
Efficiency HSPF2: Up to 13.5 HSPF2 |
Matching Outdoor Unit: Single-Zone: NAXSPB |
Matching Outdoor Unit: Multi-Zone: NAXMMX |
Energy Star Rated: Energy Star Rated |
Refrigerant Type: R-410A |
Number of Fan Speeds: N/A |
Sound Level: Quiet operation |
Wireless Remote: Multi-function wireless controller |
Factory Warranty Parts: 10-year limited warranty on compressor and functional parts. |
Manufacturer's Stated Benefits:
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NAXWST Indoor Ductless Wall-Mounted Heat PumpView Brochure |
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Model Family: NAXWST |
Purpose: Heat & Cool |
Zone Capability: Single zone and multi zone |
Efficiency SEER2: Up to 24.6 SEER2 |
Efficiency EER2: N/A |
Efficiency HSPF2: Up to 12.8HSPF2 |
Matching Outdoor Unit: Single-Zone: NAXSST |
Matching Outdoor Unit: Multi-Zone: NAXMMX |
Energy Star Rated: ENERGY STAR® certified |
Refrigerant Type: R-410A |
Number of Fan Speeds: Vertical air swing |
Sound Level: Quiet operation |
Wireless Remote: Yes |
Factory Warranty Parts: 10-year limited warranty on compressor and functional parts. |
Manufacturer's Stated Benefits:
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NAXWMT Indoor Ductless Pro Line Heat PumpView Brochure |
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Model Family: NAXWMT |
Purpose: Heat & Cool |
Zone Capability: Single Zone |
Efficiency SEER2: |
Efficiency EER2: |
Efficiency HSPF2: |
Matching Outdoor Unit: Single-Zone: NAXSMT |
Matching Outdoor Unit: Multi-Zone: N/A |
Energy Star Rated: Energy Star Rated |
Refrigerant Type: R-410A |
Number of Fan Speeds: Four fan speeds |
Sound Level: Quiet operation |
Wireless Remote: Yes |
Factory Warranty Parts: 5-year limited warranty on compressor and functional parts. |
Manufacturer's Stated Benefits:
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MSZ-EF Designer Indoor UnitView Brochure |
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Model Family: MSZ-EF |
Purpose: Heat and Cool |
Zone Capability: Single Zone |
Efficiency SEER2: |
Efficiency EER2: |
Efficiency HSPF2: |
Matching Outdoor Unit: Single-Zone: |
Matching Outdoor Unit: Multi-Zone: |
Energy Star Rated: No |
Refrigerant Type: R-410A |
Number of Fan Speeds: Vertical air swing |
Sound Level: Quiet operation |
Wireless Remote: Yes |
Factory Warranty Parts: 5-year parts limited warranty |
Manufacturer's Stated Benefits:
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Ductless High Wall Indoor Air Conditioners
NAY Air ConditionerView Brochure |
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Model Family: NAYWST |
Purpose: Cooling |
Zone Capability: Single Zone |
Efficiency SEER2: Up to 24.6 SEER2 |
Efficiency EER2: N/A |
Matching Outdoor Unit: Single-Zone: NAYSST |
Matching Outdoor Unit: Multi-Zone: N/A |
Energy Star Rated: ENERGY STAR® |
Refrigerant Type: R-410A |
Number of Fan Speeds: Vertical air swing on all units |
Sound Level: Quiet operation |
Wireless Remote: Yes |
Factory Warranty Parts: 10-year limited warranty on compressor and functional parts |
Manufacturer's Stated Benefits:
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Ductless Outdoor Air Conditioners
NAYSST Air Conditioner Outdoor UnitView Brochure |
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Model Family: NAYSST |
Purpose: Cool Only |
Efficiency SEER2: Up to 24.6 SEER2 |
Efficiency EER2: N/A |
Zone Capability: Single Zone |
Energy Star Rated: ENERGY STAR® certified |
Refrigerant Type: R-410A |
Sound Level: Quiet operation |
Compressor: Inverter- Driven Compressor |
Factory Warranty Parts: 10-year limited warranty on compressor and functional parts. |
Factory Warranty Compressor: 10-year limited warranty on compressor and functional parts. |
Manufacturer's Stated Benefits:
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American Standard Alternate Indoor Ductless Units
NAXCKS Indoor Ductless Ceiling Cassette Heat PumpView Brochure |
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Model Family: NAXCKS |
Purpose: Heat & Cool |
Zone Capability: Single & Multi Zone |
Efficiency SEER2: Up to 16 SEER2 |
Efficiency EER2: N/A |
Efficiency HSPF2: Up to 9.6 HSPF2 |
Matching Outdoor Unit: Single-Zone: NAXWST, NAXWPH,NAXWMT |
Matching Outdoor Unit: Multi-Zone: NAXWST, NAXWPH,NAXWMT |
Energy Star Rated: No |
Refrigerant Type: R-410A |
Number of Fan Speeds: N/A |
Sound Level: Quiet operation |
Wireless Remote: Yes |
Factory Warranty Parts: 10-year limited warranty on compressor and functional parts. |
Manufacturer's Stated Benefits:
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PEAD Indoor Horizontal-Ducted Heat PumpView Brochure |
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Model Family: PEAD |
Purpose: Heat & Cool |
Zone Capability: Single & Multi Zone |
Efficiency SEER2: up to 21.1 SEER |
Efficiency EER2: N/A |
Efficiency HSPF2: up to 13.0 HSPF |
Matching Outdoor Unit: Single-Zone: NAXWST, NAXWPH,NAXWMT |
Matching Outdoor Unit: Multi-Zone: NAXMMX |
Energy Star Rated: No |
Refrigerant Type: R-410A |
Number of Fan Speeds: N/A |
Sound Level: Quiet operation |
Wireless Remote: Yes |
Factory Warranty Parts: 5-year limited warranty on compressor and functional parts. |
Manufacturer's Stated Benefits:
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NAXFKS Indoor Ductless Floor-Mounted Heat PumpView Brochure |
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Model Family: NAXFKS |
Purpose: Heat & Cool |
Zone Capability: Single & Multi Zone |
Efficiency SEER2: Up to 28.2 SEER2 |
Efficiency EER2: N/A |
Efficiency HSPF2: Up to 13 HSPF2 |
Matching Outdoor Unit: Single-Zone: NAXWST, NAXWPH,NAXWMT |
Matching Outdoor Unit: Multi-Zone: NAXWST, NAXWPH,NAXWMT |
Energy Star Rated: Energy Star Rated |
Refrigerant Type: R-410A |
Number of Fan Speeds: N/A |
Sound Level: Quiet operation |
Wireless Remote: Yes |
Factory Warranty Parts: 10-year limited warranty on compressor and functional parts. |
Manufacturer's Stated Benefits:
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