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All in One Air Source Heat Pump Water Heater for Home Hot Water

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The R290 Inverter Air Source Heat Pump is an energy-efficient heating solution designed for space heating, cooling and domestic hot water. Using eco-friendly R290 refrigerant and advanced DC inverter technology, it delivers stable performance with lower energy consumption and reduced environmental impact. The unit supports high-temperature water output up to 80°C, making it suitable for radiators, floor heating and hot water applications. With strong low-temperature adaptability, it can operate reliably even in ambient temperatures as low as -25°C. This heat pump is ideal for residential homes, villas, hotels and light commercial buildings seeking comfort, efficiency and sustainable heating.
  • NL-FR1.0/EN200

  • Nulite New Energy

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The NULITE All-in-One Heat Pump Water Heater is a compact and energy-efficient solution for residential domestic hot water, integrating heat pump technology and a storage tank into one complete system. With up to 75°C hot water output, quiet operation and intelligent control, it provides reliable hot water supply while reducing energy consumption. Available in 150L, 200L and 300L models, it is designed for modern homes, apartments and small hospitality applications with easy installation and long-lasting performance.

Product Advantage

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Complete Hot Water Solution in One Unit

The NULITE All-in-One Heat Pump Water Heater integrates the heat pump system and storage water tank into a compact unit, eliminating the complexity of traditional separate installations. Its integrated design saves installation space, simplifies system setup and provides a convenient hot water solution for modern residential applications.


Up to 75°C Hot Water for Daily Comfort

Designed to meet various domestic hot water demands, the NULITE All-in-One Heat Pump Water Heater delivers hot water up to 75°C, providing reliable hot water supply for showers, kitchens and household applications. It ensures comfortable water temperature while improving energy utilization.

Higher Efficiency, Lower Energy Consumption

By extracting heat energy from the surrounding air, the heat pump technology significantly reduces electricity consumption compared with conventional electric water heaters. The system provides efficient hot water production while helping households achieve lower operating costs.


Long-lasting Performance with Premium Materials

The integrated stainless steel water tank offers excellent corrosion resistance and durability, ensuring stable operation and a longer service life. Combined with optimized insulation technology, it helps maintain hot water temperature efficiently.

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Designed for Peaceful Home Environments

With optimized compressor technology and sound reduction design, the NULITE All-in-One Heat Pump Water Heater operates quietly, making it suitable for installation in residential environments while maintaining a comfortable living experience.


IIntelligent Management at Your Fingertips

Equipped with an intuitive control interface, the system allows users to easily monitor and adjust hot water settings. The smart control design provides a simple and convenient user experience for everyday domestic hot water management.

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Certified Quality for Reliable Hot Water

The NULITE All-in-One Heat Pump Water Heater is developed with strict quality control and international compliance requirements in mind. Supported by recognized certification documents, product testing and European energy efficiency standards, the unit is designed to deliver safe, stable and energy-efficient hot water performance for residential and light commercial applications.

From electrical safety and product performance to energy efficiency and manufacturing quality, every key aspect is carefully evaluated to help ensure reliable operation throughout its service life. Combined with durable construction, intelligent control and an integrated hot water system, NULITE provides a dependable solution for distributors, installers and end users seeking long-term quality and compliance for the European market.

Smart WiFi Control, Intelligent Comfort Anytime Anywhere

With built-in WiFi connectivity, users can control the heat pump anytime and anywhere via mobile devices. Remote monitoring, temperature adjustment and operation scheduling make daily energy management simpler and more convenient.Equipped with an intelligent control platform, the system allows users to monitor and adjust operating parameters remotely. Easy access through smart devices provides convenient management of hot water, heating and energy usage.

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Product Structure

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All-in-One Design · Compact Structure, Easy Installation

The NULITE All-in-One Heat Pump Water Heater combines the heat pump module, intelligent controller and hot water storage tank in one compact vertical unit. The integrated structure reduces installation complexity and saves valuable floor space, making it suitable for modern homes, apartments, villas and light commercial hot water applications.

Its vertical design provides a clean and modern appearance while keeping key operating components conveniently integrated for easier installation, operation and maintenance.

Optimized Top Airflow Design

Efficient Air Circulation for Stable Heat Exchange

The upper section features independent air inlet and air outlet connections. Ambient air enters through the air inlet, where heat energy is absorbed by the heat pump system, while the exchanged air is discharged through the air outlet.

The top-blow structure keeps the airflow connections concentrated at the top of the unit, helping simplify installation and allowing flexible duct connection according to different indoor installation environments.

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All-in-One Heat Pump Water Heater – Front View & Structure Overview

Front View

- Digital Controller: Provides clear temperature display and operating status information, allowing users to conveniently adjust water temperature and system modes for daily hot water use.

- Heat Pump Module: The upper heat pump section integrates the core heating components, enabling the unit to absorb heat energy from the surrounding air and convert it into efficient hot water production.

- NULITE Logo: Displays the brand identity and reinforces the premium appearance of the product.

- Stainless Steel Water Tank: The lower integrated tank stores domestic hot water efficiently, providing a compact all-in-one solution for residential applications.

Structure Overview

- Air Inlet: Draws in ambient air from the top side of the unit, supplying heat energy for the heat pump system.

- Air Outlet: Discharges processed air after heat exchange, ensuring stable airflow circulation and efficient operation.

- Integrated Water Tank: Combines hot water storage and heat pump technology in one vertical unit, helping save installation space and simplify system setup.

- Thermal Insulation Layer: Helps reduce heat loss and maintain water temperature for longer periods, improving overall energy efficiency.

- Stainless Steel Inner Tank: Offers strong corrosion resistance, reliable hot water storage and long service life.

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Integrated Components for Reliable Hot Water Performance

The NULITE All-in-One Heat Pump Water Heater integrates the key components required for efficient domestic hot water production into one compact unit. The heat pump module absorbs renewable heat energy from the surrounding air, while the built-in electric heater provides auxiliary heating when additional hot water capacity is required. Combined with the integrated stainless steel storage tank and intelligent controller, the system delivers stable water temperature, convenient operation and reliable hot water performance for everyday residential use.

Intuitive Multi-Language Control

The advanced touchscreen controller supports multiple languages, enabling easy operation for global users. With a clear interface and smart temperature management, it provides convenient control of heating, cooling, and domestic hot water functions for a comfortable living environment.

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Product Operate Guide

Easy Installation for Reliable Daily Hot Water

The NULITE All-in-One Heat Pump Water Heater is designed for simple indoor installation and convenient connection to household hot water points. Place the unit on a stable and level floor with sufficient service clearance, then connect the cold water inlet with the required safety valve and route the hot water outlet to showers, kitchen sinks and other faucets.

For better system efficiency, hot water pipes should be properly insulated to reduce heat loss. After completing the water and power connections, check all pipe joints and safety components carefully before start-up. The integrated design combines the heat pump module and storage tank in one unit, helping simplify installation while providing a reliable domestic hot water solution for modern homes, apartments and villas.

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Product Applications

Installation Case

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All-in-One Heat Pump Water Heater – Installation Case Studies

NULITE All-in-One Heat Pump Water Heaters have been installed in a wide range of residential and light commercial projects worldwide, providing efficient and reliable domestic hot water solutions for homes, apartments, villas, guesthouses, and small hotels. With compact integrated design, easy installation, stable hot water supply, and energy-efficient operation, these units adapt well to different building types and daily hot water demands.

NULITE continues to support global customers with multiple tank capacity options, dependable product quality, and practical hot water solutions for different markets.

FAQ

What is the water tank capacity of the NL-FR1.0EN200?

The NL-FR1.0EN200 is equipped with a 200L stainless steel 304 water tank, making it suitable for daily domestic hot water use in family homes, apartments, villas and guesthouses.

What is the maximum outlet water temperature?

Is this heat pump water heater energy-saving?

Where can this all-in-one heat pump water heater be installed?

What after-sales service do you provide?

Model Name

NL-FR1.0/EN150

NL-FR1.0/EN200

NL-FR1.0/EN300

Heating capacity

kw

1.8

1.8

2.42

Water tank Volume

L

150

200

300

Hot water production

Lh

39

39

52

Power supply

V/Hz/Ph

220~240V/50/1

220~240V/50/1

220~240V/50/1

Rated outlet water temp

℃

55

55

55

Max outlet water temperature

℃

75

75

75

Rated input power

W

470

470

623

Current

A

1.85

1.85

2.3

Auxiliary electric heating

W

2000

2000

2000

E-heating current

A

9.1

9.1

9.1

Refrigerant

/

R134a

R134a

R134a

Compressor

/

Rotary

Four-way valve

/

Saginomiya

Motor

/

Centrifugal

Centrifugal fan

/

190

φ190

p190

High pressure switch

Mpa

3.0~2.4

3.0~2.4

3.0~2.4

low pressure switch

MPa

0.05-0.15

0.05-0.15

0.05-0.15

Ambient temperature

℃

-7~45

-7~45

-7~45

Waterproof protection level

/

IPX4

IPX4

IPX4

Product cabinet

/

Galvanized powder coated steel

Material of water tank

/

Stainless steel 304 material

Heat exchanger type

/

External aluminum coil

Evaporator

/

Hydrophilic aluminum foil

Throttling device

/

Electrical expansion valve

Wire controller

/

Digital screen, touch buttons

Pipe diameter

inch

G3/4"

G3/4”

G3/4"

Built-in pressure protection

MPa

0.8MPa

0.8MPa

0.8MPa

Product Dimensions

mm

560*1600

φ560*1765

φ640*1967

Packing Dimensions

mm

610*610*1710

610*610*1875

690*690*2075

Net Weight

Kg

70

75

95

Noise

dB(A)

≤48

≤48

≤51

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Address I: 901, No.105 Tiangui Road,Huadu District,Guangzhou,China (Marketing Center)
Address II: No. 44 Garden Avenue, Lishui Town, Nanhai District, Foshan City, Guangdong Province (R&D Center & Multi-Factory Base)
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