Choosing the Best Inverter Ducted Split Heat Pump System

Choosing the right HVAC system is essential for enhancing your home’s comfort, energy efficiency, and cost-effectiveness. With a wide range of options available, understanding the differences and advantages of each system is crucial. In this article, we compare seven top inverter ducted split systems to guide you in finding the ideal solution for your needs.

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Capacity and Flexibility

One of the first things to consider when selecting an inverter ducted split system is its capacity and flexibility. The capacity, measured in British Thermal Units (BTU), indicates the amount of heat the system can remove or add to a space per hour. Our comparison includes systems with capacities ranging from 18K to 60K BTUs.

• GREE FLEXX and BOSCH INVERTER DUCTED SPLIT SYSTEM IDS 2.0 offer field-configurable capacities from 24K to 60K BTUs, making them versatile choices for various home sizes.
• DAIKIN FIT and FUJITSU HALCYON MPAH provide individual unit capacities from 18K to 60K BTUs and 24K to 48K BTUs, respectively, allowing for more precise control based on specific needs.

Efficiency

Energy efficiency is a critical factor in HVAC systems, impacting both environmental footprint and utility bills. The efficiency of these systems is measured in Seasonal Energy Efficiency Ratio (SEER) and Heating Seasonal Performance Factor (HSPF).

• The GREE FLEXX and CARRIER models boast the highest SEER ratings, up to 20 and 20.5 respectively, ensuring maximum energy savings.
• For heating efficiency, the MITSUBISHI system stands out with an HSPF of up to 11.2, while CARRIER leads with an impressive 11.6.

Performance in Extreme Conditions

The ability to function efficiently in extreme temperatures is vital for HVAC systems. Each system’s heating and cooling range determines its performance under various weather conditions.

• The GREE FLEXX and CARRIER systems offer impressive heating capabilities, functioning effectively down to -22°F.
• For cooling, CARRIER again excels, operating in temperatures as low as -22°F up to 130°F, making it ideal for regions with extreme weather.

Design and Installation Flexibility

Flexibility in outdoor unit sizing and design can influence the ease of installation and overall space utilization.

• Systems like DAIKIN FIT and FUJITSU HALCYON offer a range of individual unit sizes, providing more installation flexibility.
• The GREE FLEXX system features a small, narrow footprint, making it a suitable option for areas with limited space.

Sound Levels

Noise levels are a common concern for homeowners. A quieter system ensures a more peaceful indoor environment.

• The GREE FLEXX system is the quietest, with sound levels down to 45 dB(A), making it an excellent choice for noise-sensitive applications.

Additional Features

Several additional features can enhance the functionality and convenience of your HVAC system.

• Many systems, including BOSCH INVERTER DUCTED SPLIT SYSTEM IDS 2.0 and DAIKIN FIT, come with factory-installed 24VAC interfaces, simplifying integration with existing home automation systems.
• Auxiliary heat strips, available with all compared systems, provide an extra layer of heating during extreme cold conditions.
• Pre-charged lengths and pipe length capacities vary, with MITSUBISHI offering the longest pre-charged length at 70 ft. and CARRIER supporting pipe lengths up to 213 ft., providing greater installation flexibility.

Comparison of Leading Inverter Ducted Split Systems

• Feature
• GREE FLEXX
• BOSCH INVERTER DUCTED SPLIT SYSTEM IDS 2.0
• DAIKIN FIT
• FUJITSU HALCYON MPAH
• RHEEM CLASSIC PLUS RP**17
• MITSUBISHI PVA / PUZ-AH*
• CARRIER 40MBAAQ / 38MARBQ & 38MBRBQ
• Capacity
• 24K – 60K (Field Configurable)
• 24K – 60K (Field Configurable)
• 18K – 60K (Individual Units)
• 24K – 48K (Individual Units)
• 24K – 48K (Individual Units)
• 24K – 42K (Individual Units)
• 24K – 48K (Individual Units)
• Efficiency
• Up to 20 SEER / 10.5 HSPF
• Up to 20.5 SEER / 10.5 HSPF
• Up to 18 SEER / 10.0 HSPF
• Up to 19 SEER / 10.7 HSPF
• Up to 19 SEER / 10.7 HSPF
• Up to 19 SEER / 11.2 HSPF
• Up to 20 SEER / 11.6 HSPF
• Heating Range
• -22°F to 75°F
• -4°F to 86°F
• -20°F to 70°F
• -5°F to 75°F
• -5°F to 75°F
• -13°F to 75°F
• -22°F to 86°F
• Cooling Range
• 5°F to 129°F
• 15°F to 125°F
• 0°F to 115°F
• -5°F to 115°F
• -5°F to 115°F
• 0°F to 115°F
• -22°F to 130°F / -13°F to 122°F
• Flexible Sizing of Outdoor Unit
• 24/36K or 48/60K (Field Configurable)
• 24/36K or 48/60K (Field Configurable)
• 18/24/30/36/42/48/60K (Individual Units)
• 24/30/36/48K (Individual Units)
• 24/30/36/48K (Individual Units)
• 24/30/36/42K (Individual Units)
• 24/36/48K (Individual Units)
• 24VAC Interface
• Yes (Factory Installed)
• Yes (Factory Installed)
• No (Proprietary Control Required)
• Yes (Field Installed Option)
• Yes (Field Installed Option)
• Yes (Field Installed Option)
• Yes (Field Installed Option)
• Outdoor Unit Discharge Design
• Horizontal
• Vertical
• Horizontal
• Horizontal
• Horizontal
• Horizontal
• Horizontal
• Small, Narrow Footprint of OU
• Yes
• No
• Yes
• Yes
• Yes
• Yes
• Yes
• Sound Level of OU
• Down to 45 dB(A)
• Down to 56 dB(A)
• Down to 60 dB(A)
• Down to 53 dB(A)
• Down to 53 dB(A)
• Down to 51 dB(A)
• Down to 62 dB(A)
• Auxiliary Heat Strips Available
• Yes (Field Installed)
• Yes (Field Installed)
• Yes (Field Installed)
• Yes (Field Installed)
• Yes (Field Installed)
• Yes (Field Installed)
• Yes (Field Installed)
• Pre-Charged Length
• 31 ft.
• 15 3/8 ft.
• 15 to 25 ft.
• 66 ft.
• 66 ft.
• 70 ft.
• 25 ft.
• Pipe Length (Min/Max)
• 10 / 100 ft.
• 15 / 150 ft.
• 15 / 100 ft.
• 16 / 164 ft.
• 16 / 164 ft.
• 16 / 165 ft.
• 10 / 213 ft.
• Max. Pipe Elevation
• 50 ft.
• 50 ft.
• 90 ft.
• 98 ft.
• 98 ft.
• 100 ft.
• 98 ft.

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