Central Air Systems

Engineered for Total Home Comfort.

Explore Klimaire’s central split systems—from third-party compatible FIT PRO to compact FIT CORE designs—built for comfort, performance, and flexible installation.

Fit Core Series
Standard

KOIT-KIDT Series

2 to 5 Ton

Compact top-discharge outdoor unit for space-saving installs and quiet operation. Paired with a multi-positional air handler for flexible installation. Delivers efficient cooling and dependable heat pump performance down to -13°F.
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Fit Pro Series
Extreme Cold Climate Hyper Heat

KOIF-KIDF Hyper Heat Series

2 to 5 Ton

Engineered for harsh winters, this Hyper Heat system delivers powerful cooling and maintains high-performance heating down to -22°F. Includes a multi-positional air handler for upflow, downflow, or horizontal configurations.
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Explore Individual Components

Flexible Options for New Installs or Replacements

Planning a new installation or replacing a single unit? Klimaire offers a full selection of indoor and outdoor components — including air handlers and outdoor units — all engineered for performance and third-party compatibility. Whether you're upgrading part of an existing system or starting from scratch, our components offer flexible solutions to meet your needs.

Explore Individual Options:

Outdoor Unit Options

  • KIDF Hyper Heat Series – Variable Speed Heat Pump Condensing Unit

    • Available Capacity
      • 2 - 5 Tons (24,000 - 60,000 BTU)
    • Refrigerant Type
      • R-454B (Factory Pre-Charged)
    • Power Supply
      • 208/230V - 1 Phase - 60 Hz
    • Performance Level
      • Hyper Heat
    • Operating Temperature Range
      • Heating: -22°F - 75°F
      • Cooling: 5°F - 125°F
    Klimaire KIDF Hyper Heat Series – Variable Speed Heat Pump Condensing Unit (R454B) – 208–230V
    Klimaire KIDF Hyper Heat Series – Variable Speed Heat Pump Condensing Unit (R454B) – 208–230V
    Klimaire KIDF Hyper Heat Series – Variable Speed Heat Pump Condensing Unit (R454B) – 208–230V

    • Flexible Installation

      Works with standard air handlers and cased coils using existing refrigerant
lines and 24V control wiring.

    • All-Climate Protection

      Built-in crankcase and base pan heaters ensure cold-weather reliability,
while gold-fin coils resist corrosion in harsh environments.

    • Space-Saving Design

      Slim side-discharge unit with a small footprint—ideal for zero lot lines
and tight outdoor spaces.

    • Cold Weather Capable

      Provides efficient cooling and heat pump performance down to -13°F.

    • 7-Year Compressor + 5-Year Parts Warranty

      Long-term protection backed by proven reliability and certified performance.

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    AHRI
    ETL
    Smart DC Inverter
    Eco Friendly
    7 year compressor warranty
    5 year parts warranty

  • KOIT Series – Variable Speed Heat Pump Condensing Unit

    • Available Capacity
      • 2 - 5 Tons (24,000 - 60,000 BTU)
    • Refrigerant Type
      • R-454B (Factory Pre-Charged)
    • Power Supply
      • 208/230V - 1 Phase - 60 Hz
    • Performance Level
      • Standard
    • Operating Temperature Range
      • Heating: -5°F – 80°F
      • Cooling: 5°F – 125°F
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Air Handlers Indoor Options

  • KOIF Series – Central Ducted Multi-Position Air Handler

    • Available Capacity
      • 2 - 5 Tons (24,000 - 60,000 BTU)
    • Multi-Position Installation
      • Upflow / Downflow / Horizontal (Left or Right)
    • Evaporator Coil
      • Factory-Installed
    • Controls
      • Standard 24V Thermostat
      • RS-485 Communicating Controller
    • Power Supply
      • 208/230V - 1 Phase - 60 Hz
    • Refrigerant Compatibility
      • R-454B
    Klimaire KOIF Series – Central Ducted Multi-Position Air Handler (R454B) – 208–230V
    Klimaire KOIF Series – Central Ducted Multi-Position Air Handler (R454B) – 208–230V
    Klimaire KOIF Series – Central Ducted Multi-Position Air Handler (R454B) – 208–230V

    • Multi-Position Flexibility

      Compatible with upflow, downflow & horizontal ducts for easy installation.

    • Third-Party Outdoor Unit Compatibility

      Supports standard 24V wiring and thermostat signals—no proprietary communication.

    • High Static ECM Motor

      Self-adjusting motor for steady airflow in tight-duct or modular setups.

    • Auxiliary Heat Options

      Optional 5kW, 10kW, 15kW, 20kW kits available.

    • Smart Wi-Fi Control

      Includes Wi-Fi thermostat with remote access via iOS & Android devices.

    • 7-Year Compressor + 5-Year Parts Warranty

      Long-term protection backed by proven reliability and certified performance.

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    ETL
    Energy Star
    AHRI
    Smart DC Inverter
    Eco Friendly
    7 year compressor warranty
    5 year parts warranty

  • KIDT Series – Central Ducted Multi-Position Air Handler

    • Available Capacity
      • 2 - 5 Tons (24,000 - 60,000 BTU)
    • Multi-Position Installation
      • Upflow / Downflow / Horizontal (Left or Right)
    • Evaporator Coil
      • Factory-Installed
    • Controls
      • Standard 24V Thermostat
      • RS-485 Communicating Controller
    • Power Supply
      • 208/230V - 1 Phase - 60 Hz
    • Refrigerant Compatibility
      • R-454B
    Learn More