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House Heating Heat Pump

R290 Inverter Monoblock Heat Pump

R32 Inverter Monoblock Heat Pump

R32 Inverter Split Heat Pump

Sanitary Hot Water Heat Pump

Residential Hot Water Heat Pump

Commercial Hot water Heat Pump

Swimming Pool Heat Pump

Residential Fixed Speed Swimming Pool Heat Pump

Commercial Fixed Speed Swimming Pool Heat Pump

Residential Inverter Swimming Pool Heat pump

Commercial Inverter Swimming Pool Heat pump

Industrial Dehumidifier

Ground and Water Source Heat Pump

Ice Bath Chiller

Evaporative Cooling System

Industrial Chiller
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News Details
Home > News >

Company news about Difference Between Monoblock and Split Heat Pumps

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luke@ecoheat-pump.com
86-757-22860323
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Difference Between Monoblock and Split Heat Pumps

2026-01-14

The main differences between Monoblock and Split heat pumps lie in their system structure, installation method, refrigerant circuit, safety compliance, and application scenarios.

1. System Structure

Item Monoblock Heat Pump Split Heat Pump
Configuration All refrigeration components integrated into one outdoor unit Outdoor unit + indoor hydraulic module
Refrigerant circuit Fully sealed inside the unit Refrigerant circulates between outdoor and indoor units
Water circuit Water flows directly to the outdoor unit Water system mainly remains indoors

2. Installation & Commissioning

Monoblock Heat Pump

  • No on-site refrigerant work required

  • Installation involves only water piping and electrical connection

  • No licensed refrigerant technician needed

  • Faster installation, lower risk of human error

  • Ideal for mass installation and distributor projects

⚠ In cold climates, proper anti-freeze protection is required (glycol, heat tracing, freeze protection logic).

Split Heat Pump

  • Requires on-site vacuuming and refrigerant charging

  • Higher installation skill requirements

  • Performance highly dependent on installation quality

  • No risk of outdoor water pipes freezing in winter

3. Safety & Regulations (Especially in Europe)

Item Monoblock Split
Refrigerant inside building No Yes
Suitability for R290 (Propane) Excellent Limited / restricted
CE / EN compliance Easier More complex
Overall safety Higher Relatively lower

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news details
Home > News >

Company news about-Difference Between Monoblock and Split Heat Pumps

Events

News

Cases

Difference Between Monoblock and Split Heat Pumps

2026-01-14

The main differences between Monoblock and Split heat pumps lie in their system structure, installation method, refrigerant circuit, safety compliance, and application scenarios.

1. System Structure

Item Monoblock Heat Pump Split Heat Pump
Configuration All refrigeration components integrated into one outdoor unit Outdoor unit + indoor hydraulic module
Refrigerant circuit Fully sealed inside the unit Refrigerant circulates between outdoor and indoor units
Water circuit Water flows directly to the outdoor unit Water system mainly remains indoors

2. Installation & Commissioning

Monoblock Heat Pump

  • No on-site refrigerant work required

  • Installation involves only water piping and electrical connection

  • No licensed refrigerant technician needed

  • Faster installation, lower risk of human error

  • Ideal for mass installation and distributor projects

⚠ In cold climates, proper anti-freeze protection is required (glycol, heat tracing, freeze protection logic).

Split Heat Pump

  • Requires on-site vacuuming and refrigerant charging

  • Higher installation skill requirements

  • Performance highly dependent on installation quality

  • No risk of outdoor water pipes freezing in winter

3. Safety & Regulations (Especially in Europe)

Item Monoblock Split
Refrigerant inside building No Yes
Suitability for R290 (Propane) Excellent Limited / restricted
CE / EN compliance Easier More complex
Overall safety Higher Relatively lower

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