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 The Ductless Company 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 (607) 722-1283.
Ductless Outdoor Heat Pumps
M-Series outdoor model Deluxe Wall-mounted Single-zone Heat PumpView Brochure |
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| Model Family: MUZ-FX |
| Purpose: Heat and Cool |
| Zone Capability: Single zone |
| Efficiency SEER2: Up to 35 SEER2 |
| Efficiency EER2: Up to 21.45 EER2 |
| Efficiency HSPF2: Up to 13.3 HSPF2 |
| Energy Star Certified: ENERGY STAR® |
| Refrigerant Type: R-454B |
| Sound Level: As low as 52 dB(A) |
| Compressor: Inverter Compressor |
| Factory Warranty Parts: 10-Year Parts Limited Warranty; 12-year limited warranty when installed by Diamond Contractor |
| Factory Warranty Compressor: 10 year compressor warranty; 12-year limited warranty when installed by Diamond Contractor |
Manufacturer's Stated Benefits:
|
M-Series outdoor model Premier Wall-mounted Single-zone Heat PumpView Brochure |
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| Model Family: MUZ-GX |
| Purpose: Heat and Cool |
| Zone Capability: Single Zone |
| Efficiency SEER2: Up to 28.4 SEER2 |
| Efficiency EER2: Up to 15.4 EER2 |
| Efficiency HSPF2: Up to 11 HSPF2 |
| Energy Star Certified: ENERGY STAR |
| Refrigerant Type: R-454B |
| Sound Level: As low as 50 dB(A) |
| Compressor: Inverter Driven |
| Factory Warranty Parts: 10-year limited warranty; 12-year limited warranty When Installed by Diamond Contractor |
| Factory Warranty Compressor: 10-year limited warranty; 12-year limited warranty When installed by Diamond Contractor |
Manufacturer's Stated Benefits:
|
P-Series outdoor model Single-zone Universal Heat PumpView Brochure |
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| Model Family: SUZ-AA |
| Purpose: Heat and Cool |
| Zone Capability: Single Zone |
| Efficiency SEER2: Up to 21.7 SEER2 |
| Efficiency EER2: Up to 12.8 EER2 |
| Efficiency HSPF2: Up to 12.9 HSPF2 |
| Energy Star Certified: ENERGY STAR |
| Refrigerant Type: R-454B |
| Sound Level: As low as 55 dB(A) |
| Compressor: DC INVERTER-driven Twin Rotary |
| Factory Warranty Parts: 10 year Limited Warranty to original owner if properly registered: 12-Year if installed by Diamond Contractor |
| Factory Warranty Compressor: 10-year compressor limited warranty to the original purchasing owner upon timely registration;12-Year if installed by Diamond Contractor |
Manufacturer's Stated Benefits:
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Multi-zone Heat Pump Outdoor UnitView Brochure |
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| Model Family: MXZ |
| Purpose: Heat/Cool |
| Zone Capability: Multi-Zone |
| Efficiency SEER2: Up to 20 SEER2 |
| Efficiency EER2: Up to 13 EER2 |
| Efficiency HSPF2: Up to 10 HSPF2 |
| Energy Star Certified: Yes |
| Refrigerant Type: R-454B |
| Sound Level: As low as 56 dB(A) |
| Compressor: DC INVERTER-driven Twin Rotary |
| Factory Warranty Parts: 10 year Limited Warranty to original owner if properly registered; 12-Year is installed by Diamond Contractor |
| Factory Warranty Compressor: 10-year compressor limited warranty to the original purchasing owner upon timely registration; 12-Year is installed by Diamond Contractor |
Manufacturer's Stated Benefits:
|
Ductless High Wall Indoor Heat Pumps
FX Deluxe Wall-mounted Indoor UnitView Brochure |
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| Model Family: MSZ-FX |
| Purpose: Heat and Cool |
| Zone Capability: Single zone |
| Efficiency SEER2: Dependent on outdoor Unit |
| Efficiency EER2: Dependent on outdoor Unit |
| Efficiency HSPF2: Dependent on outdoor Unit |
| Matching Outdoor Unit: Single-Zone: MUZ-FX |
| Matching Outdoor Unit: Multi-Zone: |
| Energy Star Certified: ENERGY STAR® |
| Refrigerant Type: R-454B |
| Number of Fan Speeds: Multiple fan speed options: Quiet, Low, Medium, High, Super-high, Auto |
| Sound Level: As low as 27 dB(A) |
| Wireless Remote: Yes |
| Factory Warranty Parts: 10-year limited warranty: 12-year limited warranty if installed by Diamond Contractor |
Manufacturer's Stated Benefits:
|
GX Premier Wall-mounted Indoor UnitView Brochure |
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| Model Family: MSZ-GX |
| Purpose: Heat and Cool |
| Zone Capability: Single |
| Efficiency SEER2: Dependent on outdoor Unit |
| Efficiency EER2: Dependent on outdoor Unit |
| Efficiency HSPF2: Dependent on outdoor Unit |
| Matching Outdoor Unit: Single-Zone: MUZ-GX |
| Matching Outdoor Unit: Multi-Zone: |
| Energy Star Certified: ENERGY STAR® |
| Refrigerant Type: R-454B |
| Number of Fan Speeds: |
| Sound Level: As low as 34 dB(A) |
| Wireless Remote: Yes |
| Factory Warranty Parts: 10-year parts and compressor warranty with registration; 12-year limited warranty when installed by Diamond Contractor |
Manufacturer's Stated Benefits:
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Wall-mounted Indoor UnitView Brochure |
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| Model Family: MSZ-HX |
| Purpose: Heat and Cool |
| Zone Capability: Single Zone |
| Efficiency SEER2: Dependent on outdoor Unit |
| Efficiency EER2: Dependent on outdoor Unit |
| Efficiency HSPF2: Dependent on outdoor Unit |
| Matching Outdoor Unit: Single-Zone: MUZ-HX |
| Matching Outdoor Unit: Multi-Zone: |
| Energy Star Certified: ENERGY STAR |
| Refrigerant Type: R-454B |
| Number of Fan Speeds: 4 Fan Speeds |
| Sound Level: As low as 33 dB(A) |
| Wireless Remote: Yes |
| Factory Warranty Parts: 10-year limited warranty: 12-Years if installed by Diamond Installer |
Manufacturer's Stated Benefits:
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Wall-mounted Indoor UnitView Brochure |
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| Model Family: MSZ-WX |
| Purpose: Heat and Cool |
| Zone Capability: Single zone |
| Efficiency SEER2: Dependent on outdoor Unit |
| Efficiency EER2: Dependent on outdoor Unit |
| Efficiency HSPF2: Dependent on outdoor Unit |
| Matching Outdoor Unit: Single-Zone: MUZ-WX |
| Matching Outdoor Unit: Multi-Zone: |
| Energy Star Certified: No |
| Refrigerant Type: R-454B |
| Number of Fan Speeds: 4 Fan Speeds |
| Sound Level: As low as 33 dB(A) |
| Wireless Remote: Yes |
| Factory Warranty Parts: 10-year limited warranty;12-year limited warranty when installed by a Diamond Contractor |
Manufacturer's Stated Benefits:
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Mitsubishi Electric Alternate Indoor Ductless Products
Low-static Horizontal-ducted Indoor UnitsView Brochure |
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| Model Family: SEZ |
| Purpose: Heat/Cool |
| Zone Capability: Single & Multi-Zone |
| Efficiency SEER2: Dependent on outdoor Unit |
| Efficiency EER2: Dependent on outdoor Unit |
| Efficiency HSPF2: Dependent on outdoor Unit |
| Matching Outdoor Unit: Single-Zone: SUZ-AA |
| Matching Outdoor Unit: Multi-Zone: |
| Energy Star Certified: ENERGY STAR |
| Refrigerant Type: R-454B |
| Number of Fan Speeds: 3 |
| Sound Level: As low as 30 dB(A) |
| Wireless Remote: No |
| Factory Warranty Parts: 10-year parts limited Warranty: 12-Year limited warranty if installed by Diamond Dealer |
Manufacturer's Stated Benefits:
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Four-way Ceiling-recessed CassetteView Brochure |
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| Model Family: SLZ |
| Purpose: Heat/Cool |
| Zone Capability: Single & Multi-Zone |
| Efficiency SEER2: Dependent on outdoor Unit |
| Efficiency EER2: Dependent on outdoor Unit |
| Efficiency HSPF2: Dependent on outdoor Unit |
| Matching Outdoor Unit: Single-Zone: SUZ-AA |
| Matching Outdoor Unit: Multi-Zone: |
| Energy Star Certified: ENERGY STAR |
| Refrigerant Type: R-454B |
| Number of Fan Speeds: 3 |
| Sound Level: As low as 32 dB(A) |
| Wireless Remote: No |
| Factory Warranty Parts: 10-year limited warranty; 12-year limited warranty when installed by Diamond Contractor |
Manufacturer's Stated Benefits:
|
Floor-mounted Indoor UnitView Brochure |
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| Model Family: MFZ |
| Purpose: Heat/Cool |
| Zone Capability: Multi zone and Single Zone |
| Efficiency SEER2: Dependent on outdoor Unit |
| Efficiency EER2: Dependent on outdoor Unit |
| Efficiency HSPF2: Dependent on outdoor Unit |
| Matching Outdoor Unit: Single-Zone: SUZ-AA |
| Matching Outdoor Unit: Multi-Zone: MXZ |
| Energy Star Certified: ENERGY STAR® |
| Refrigerant Type: R-454B |
| Number of Fan Speeds: 5 Fan Speeds |
| Sound Level: As low as 28 dB(A) |
| Wireless Remote: Yes |
| Factory Warranty Parts: 10-year limited warranty; 12-year limited warranty when installed by Diamond Contractor |
Manufacturer's Stated Benefits:
|
Ductless High Wall Indoor Air Conditioners
Cooling Only Wall-mounted Indoor UnitView Brochure |
|---|
| Model Family: MSY-GX |
| Purpose: Cool Only |
| Zone Capability: Single Zone |
| Efficiency SEER2: Dependent on outdoor Unit |
| Efficiency EER2: Dependent on outdoor Unit |
| Matching Outdoor Unit: Single-Zone: MUY-GX |
| Matching Outdoor Unit: Multi-Zone: |
| Energy Star Certified: ENERGY STAR |
| Refrigerant Type: R-454B |
| Number of Fan Speeds: N/A |
| Sound Level: As low as 34 dB(A) |
| Wireless Remote: Yes |
| Factory Warranty Parts: 10-year limited warranty; 12-year limited warranty Diamond Installer |
Manufacturer's Stated Benefits:
|
Wall Mounted Air Conditioner PKA Indoor UnitView Brochure |
|---|
| Model Family: PKA |
| Purpose: Cool only |
| Zone Capability: Single zone |
| Efficiency SEER2: Dependent on outdoor Unit |
| Efficiency EER2: Dependent on outdoor Unit |
| Matching Outdoor Unit: Single-Zone: Puy-AH-AK |
| Matching Outdoor Unit: Multi-Zone: N/A |
| Energy Star Certified: ENERGY STAR® |
| Refrigerant Type: R-454B |
| Number of Fan Speeds: 5 Fan Speeds |
| Sound Level: As low as 19 DBA |
| Wireless Remote: Yes |
| Factory Warranty Parts: 10-year parts limited warranty upon timely registration: 12-year if installed by Diamond Contractor |
Manufacturer's Stated Benefits:
|
Ductless Outdoor Air Conditioners
M-Series outdoor model-Cooling OnlyView Brochure |
|---|
| Model Family: MUY-GX |
| Purpose: Cooling Only |
| Efficiency SEER2: Up to 28.4 SEER2 |
| Efficiency EER2: Up to 15.4 EER2 |
| Zone Capability: Single Zone |
| Energy Star Certified: ENERGY STAR |
| Refrigerant Type: R-454B |
| Sound Level: As low as 55 dB(A) |
| Compressor: Inverter Driven |
| Factory Warranty Parts: 10-year limited warranty;12-year limited warranty when Installed by Diamond Contractor |
| Factory Warranty Compressor: 10-year limited warranty;12-year limited warranty when Installed by Diamond Contractor |
Manufacturer's Stated Benefits:
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Single-zone Universal Air Conditioner Outdoor ModelView Brochure |
|---|
| Model Family: PUY |
| Purpose: Cooling |
| Efficiency SEER2: Up to 21.1 SEER2 |
| Efficiency EER2: Up to 14.8 EER2 |
| Zone Capability: Single zone |
| Energy Star Certified: ENERGY STAR |
| Refrigerant Type: R-454B |
| Sound Level: As low as 52 dB(A) |
| Compressor: Inverter Driven Compressor |
| Factory Warranty Parts: 10 year Limited Warranty to original owner if properly registered; 12-year limited warranty if installed by Diamond Contractor |
| Factory Warranty Compressor: 10 year Limited Warranty to original owner if properly registered; 12-year limited warranty if installed by Diamond Contractor |
| Manufacturer's Stated Benefits: |


