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The Theodoor Heat Pump Water Heater Unit transforms ambient air into a renewable energy source. Every day, countless kilowatts of natural heat exist around us in garages, laundry rooms, storage areas, and outdoor environments. Instead of wasting this energy, the system captures and amplifies it through an advanced refrigeration cycle powered by a Panasonic compressor.
As warm air passes through the evaporator, thermal energy is absorbed and compressed into high-temperature heat. This heat is then transferred to water through an efficient heat exchanger, producing a dependable supply of hot water for showers, kitchens, laundry facilities, and commercial applications.
Whether installed in a family villa, apartment building, guesthouse, or commercial facility, the system delivers year-round comfort while significantly lowering utility expenses.

This heat pump unit offer efficient domestic hot water heating. It can be combined simply and flexibly with suitable external water tanks(cylinders). The outer case can be made from powder coated steel or stainless steel. It is also possible to connect an air duct, through which any waste heat from an adjacent room, for example, from tumble dryers, freezer or heaters. Conversely, the coller exhaust air generated during operation can be used, for example, to cool a storeroom or kitchen temporarily. Operation is convenient by smart PCB control panel.
Delivers up to 4 times more heat energy than electricity consumed
Reduces operating costs compared with electric water heaters
Uses renewable energy from surrounding air
Internationally recognized compressor brand
Stable performance
Extended service life
High heating efficiency
Top air outlet configuration
Supports Ø150 mm duct connection
Utilizes waste heat from adjacent rooms
Improves overall building energy efficiency
Operating noise only 48 dB
Suitable for residential installations
Minimal disturbance during operation
Utility rooms
Garages
Kitchens
Storage rooms
Balconies
Mechanical rooms
| Model | RS-3.6GX/B | |
| Rated Input Power | 800 W | |
| Rated Heating Capacity | 3000 W | |
| Power Supply | 220V~50Hz | |
| Heating ampere | 3.6 A | |
| Compressor | Panasonic | |
| Refrigerant | R410a /750g | |
| Operation condition | 6-43℃ | |
| Output water temperature | 55 ℃ | |
| Hot water supply capacity | 65 L/h | |
| Noise (dB) | 48dB | |
| Tank material | Steel or Stainless steel 304 | |
| Water connection | 3/4'' | |
| Fan -air duct size | ∮150mm | |
| Air pressure | 150Pa | |
| Air flow | 450m3/h | |
| Net weight | 42kgs | |
| Dimension | ∮600x505mm | |
* Circulation pump is required if the water pressure is lower (<0.15Mpa).
Manufacturing Expertise
Professional HVAC manufacturer
Exported worldwide
Extensive OEM/ODM capability
Quality Components
Durable steel and stainless-steel options
Strict quality inspection procedures
Energy-Efficient Design
High COP performance
Reduced carbon footprint
Lower lifetime operating costs
Flexible Customization
Different tank configurations
Stainless steel options
Custom project solutions


The system follows carnot cycle principole. Driven by Electricity , its working substance absorbs the latent heat in the air or other low-temperature heat source , and waste heat let out of living or industry , compresses it to heat by compressor , exchange , exchange heat with water to higher the water temperature , 1 electricity can prduce heat equal to 4 electricity .it’s a new water heating equipment .

Choose which sizes of water tank is related to the number of people using hot water, the number of bathrooms, whether there are bathtub, kitchens and other hot water consumption and so on.
The air source water heater unit has many installation ways, It can be installed at veranda, kitchen, storage room and garage etc.
Air source heat pump is not direct heating by the heating element, but with a small amount of electric driving the main unit's compressor to work, the low temperature air is compressed to high temperature air , through the pipeline circulation system to heat the water, the power consumption is only 1/4 of the traelectric water heater.