ZeroB Smart Heat Pump
ZeroB introduces smart advanced residential hot water heat pump designed for Indian homes, featuring a built-in circulation pump and intelligent controls with optional Wi-Fi. Using eco-friendly R410A refrigerant, it efficiently heats water while softening hard water, reducing scale buildup, and extending appliance life. Delivering up to 75% energy savings compared to traditional electric heaters, this system combines performance, sustainability, and long-term reliability making it the perfect choice for modern, eco-conscious households.
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Free Installation
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Free Home Delivery
Features
High-Efficiency R410A Refrigerant System
Delivers up to 75% energy savings compared to traditional electric water heaters.
Built-In Water Circulation Pump
Ensures consistent hot water delivery and optimal thermal
efficiency.
Smart Digital Control Panel:
Includes lock screen, real-time temperature display, fault alerts, and
multiple operating modes.
Advanced Safety Protections
Covers high/low pressure, overheating, flow failure, and sensor
malfunctions—ensuring safe operation.
Wi-Fi & App Connectivity
Enables remote monitoring, scheduling, and diagnostics via the
Tuya/Smart Life app.
Automated Defrosting System
Enhances performance in colder climates and extends unit life.
Quiet Operation
Designed with noise-minimising components for comfortable residential use.
Multi-Stage Timer Function
Allows programmable power on/off and cleaning cycles for user
convenience.
User-Friendly Maintenance
Access to error codes, historical fault logs, and easy filter cleaning
supports long-term reliability.
Technical Specification
| SPECIFICATIONS | HPZ-3.5/300 | HPZ-5/300 | HPZ-7/455 |
| Heating Capacity (kW) | 3.6 kW | 5.2 kW | 7.2 kW |
| Input Power (kW) | 0.87 kW | 1.24 kW | 1.66 kW |
| COP (Coefficient of Performance) | 4.13 | 4.18 | 4.33 |
| Rated Current (A) | 4.13 A | 5.69 A | 7.61 A |
| Max Current (A) | 5.95 A | 8.01 A | 11.03 A |
| Max Input Power (kW) | 1.3 kW | 1.75 kW | 2.41 kW |
| Inlet Water Pressure | 2 kg | 2 kg | 2 kg |
| Production Capacity | 77 L/h | 112 L/h | 155 L/h |
| Rated Outlet Water Temperature (°C) | 55°C | 55°C | 55°C |
| Highest Outlet Water Temperature (°C) | 60°C | 60°C | 60°C |
| Rated Voltage / Frequency | 220V / 1N / 50Hz | 220V / 1N / 50Hz | 220V / 1N / 50Hz |
| IP Grade (Level of Protection) | IPX4 | IPX4 | IPX4 |
| Refrigerant | R410A | R410A | R410A |
| Operation Ambient Temp (°C) | –7~43°C | –7~43°C | –7~43°C |
| Diameter of Pipe (mm) | DN20 | DN20 | DN20 |
| Water Circulation (m³/h) | 0.62 | 0.89 | 1.24 |
| Max. Water Pressure Drop (kPa) | 20 | 25 | 30 |
| Noise (dB(A)) | ≤ 50 | ≤ 50 | ≤ 52 |
| Net Weight / Gross Weight (kg) | 48 / 56 | 52 / 60 | 60 / 70 |
| Body Size (W×D×H) (mm) | 956 × 350 × 550 | 956 × 350 × 550 | 1006 × 350 × 600 |
| Tank Size (D×H) (mm) | 600 × 1700 | 600 × 1700 | 700 × 1870 |
| Approx. Installation Area | 6 ft × 5.5 ft | 6 ft × 5.5 ft | 6 ft × 6 ft |
| Condenser Type | High-efficiency tube-in-shell heat exchanger | High-efficiency tube-in-shell heat exchanger | High-efficiency tube-in-shell heat exchanger |
| Operating Water Temperature (°C) | 9–55°C | 9–55°C | 9–55°C |
ZeroB Benefits
Only a small amount of electricity is needed to run the compressor and fan
Utilises ambient air, no combustion or high carbon emissions
Controlled via smart panel and app
No open flames or heavy noise
Even performs in colder climates (thanks to automated defrost)
Product Comparison
Product |  ZeroB UV Grande (UV + Active Silver Technology) |  ZeroB UV Grande Plus ( UV + Active Silver Technology) |  New Kitchenmate UV (Under the Sink Purifier) |
Price | ₹9,732.00 MRP | ₹12,486.00 MRP | ₹10,616.00 MRP |
Description | Best UV Water Purifier
India’s first revolutionary UV Water Purifier equipped ... | Best UV Water Purifier
The Revolutionary Water Purifier For Your Home
India’s ... | Sleek and compact UV water purifier for your modular kitchen. |
Weight | 4.4 | 4.4 | 11 |
Dimensions | 275 × 230 × 370 cm | 275 × 230 × 370 cm | 320 × 150 × 485 cm |
Frequently Asked Questions
What is a Smart Heat Pump and how does it work?
A Smart Heat Pump extracts heat from the surrounding air and transfers it to water using an energy-efficient heat exchange system. It delivers hot water using up to 70% less electricity compared to conventional electric geysers.
