Heat Pump Water
Heaters
ICA Heating offers two paths to high-efficiency heat pump DHW — the Patterson-Kelley EvoHP electric air-to-water heat pump and Robur gas-fired absorption technology. Factory-authorized sales, engineering, installation, and service across New Jersey and New York.
The Future of
Commercial Water Heating
Heat pump water heaters deliver dramatically higher efficiency than conventional gas or electric resistance systems — extracting heat from ambient air and transferring it to water at efficiencies up to 400%. For commercial facilities in NJ and NY facing electrification mandates, carbon reduction targets, or simply rising energy costs, heat pumps represent the most impactful upgrade available.
ICA offers two distinct heat pump platforms: the Patterson-Kelley EvoHP for all-electric and hybrid applications, and Robur gas-fired absorption heat pumps for facilities where electrical infrastructure upgrades are impractical. Both deliver exceptional efficiency with minimal maintenance.
Our engineers design complete heat pump systems — from load analysis and equipment sizing through hybrid boiler integration, electrical planning, and decades of preventive maintenance.
P-K EvoHP Platform
Patterson-Kelley's entry into building electrification — the EvoHP electric heat pump delivers high-efficiency domestic hot water and comfort heating without combustion. By extracting heat from ambient air, the EvoHP achieves COP 4.0, dramatically reducing energy costs and carbon emissions.
- Intelligent energy management — automatic load adjustment optimizes efficiency
- Stepless inverter compressor — smooth 15%–100% capacity without short-cycling
- 2nd-generation intelligent defrosting — 20% fewer defrost cycles
- Monoblock design — no field refrigerant work required
- Low GWP refrigerant options (R32) for environmental compliance
- Hybrid integration — pairs seamlessly with traditional boiler systems
- Cascadable up to 8 units for large-scale installations
The HP250SW is a compact single-wall air-to-water heat pump using R32 low-GWP refrigerant. Ideal for facilities beginning their electrification journey with a single unit or as part of a cascaded system up to 8 units.
- Refrigerant: R32 (low GWP)
- Efficiency: Up to 400% (COP 4.0)
- Output Temp: Up to 140°F
- Capacity Control: Stepless 15% – 100%
- Ambient Range: Operates down to -30°F
The HP250DW features double-wall heat exchanger construction for applications requiring additional separation between refrigerant and water circuits — meeting stricter code requirements while delivering the same COP 4.0 performance.
- Refrigerant: R32 (low GWP)
- Heat Exchanger: Double-wall construction
- Efficiency: Up to 400% (COP 4.0)
- Output Temp: Up to 140°F
- Capacity Control: Stepless 15% – 100%
The HP500 delivers higher capacity for mid-size commercial DHW and comfort heating applications. Cascadable up to 8 units for large-scale installations, with intelligent energy management that automatically adjusts to partial loads.
- Efficiency: Up to 400% (COP 4.0)
- Cascading: Up to 8 units for large-scale systems
- Output Temp: Up to 140°F
- Defrosting: 2nd-gen intelligent — 20% fewer cycles
- Integration: Hybrid-ready with boiler systems
The largest model in the EvoHP family — the HP700 delivers up to 750 MBH per appliance for large commercial DHW and heating loads. Monoblock design simplifies installation with no field refrigerant work required.
- Capacity: Up to 750 MBH per appliance
- Efficiency: Up to 400% (COP 4.0)
- Design: Monoblock — no field refrigerant work
- Cascading: Up to 8 units together
- Ambient Range: Operates down to -30°F
Robur Absorption Technology
Robur manufactures gas-fired absorption heat pumps and chillers that extract heat from external air and transfer it indoors for heating — or reverse the process for cooling. Unlike electric heat pumps, Robur units run on existing natural gas infrastructure, avoiding costly electrical upgrades.
One unit provides both heating and cooling — no separate chiller or cooling tower required. Gas-fired cooling capability included.
Only 3 moving elements — no compressors, no engines. Completely closed-loop refrigerant requires zero refills over the system's lifetime.
Operates on single-phase power and existing natural gas infrastructure. Eliminates the cost of transformer and electrical panel upgrades.
No CFCs, HFCs, or HCFCs. Low NOx premixed burner technology. Ultra-low noise operation suitable for schools and hospitals.
More Than Equipment.
Complete Heat Pump Partnership.
When you buy a heat pump system through ICA, you get factory-authorized support from system design through decades of service — not just a box on a truck.
Built for Every
Decarbonization Goal
From full electrification to hybrid transitional systems — heat pump water heaters serve the broadest range of commercial applications.
Common Questions About
Heat Pump Water Heaters
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