China factory 6HP High Efficiency Air Source Heat Pump CHINAMFG Compressor Heating &Cooling&Dhw with high quality

Product Description

Product Description

Product Parameters

Model Type Monoblock RMAW-03ZR1-V RMAW-04ZR1-V RMAW-05ZR3-V RMAW-06ZR3-V RMAW-08ZR3-V RMAW-10ZR3-V
Model Type Split RMAW-03FR1-V RMAW-04FR1-V RMAW-05FR3-V RMAW-06FR3-V / /
Power supply 220-240V,50Hz,1Ph 220-240V,50Hz,1Ph
Heating Capacity(kW) 2.3~10.5 3.9~15.8 4.5~20.5 5.5~23.0 7.3~30.5 9.5~40.0
Cooling Capacity(kW) 2.0~7.9 3.8~11.0 4.2~14.5 5.2~16.5 7.2~23.0 9.0~30.6
Power Input(kW) 1.0~3.0 1.5~4.5 2~5.5 2.2~6.6 3.5~8.5 4.5~10.5
Seasonal Space Heating  energy efficiency class LWT at 35ºC A+++ A+++ A+++ A+++ A+++ A+++
LWT at 55ºC A++ A++ A++ A++ A++ A++
Refrigerant Type(GWP) R32  / R410A
Charged volume(kg) 1.80  2.10  3. units production ability each years .
Our quality management system was certified in conformity with ISO9001, ISO14001 Standards, heat pumps with CE, EMC, ERP, CB,SGS certificated. And also with customized OEM/ODM services for distributors all over the world.
Realm had sold more than 50000 unit air source heat pumps in Europe last year.
Recently, Realm hopes to expand the European market. And also Realm looks CHINAMFG to providing high-quality heat pumps and good services for Europe. Now Realm plans to provide R & D free of charge to the regional distributor.

Our Advantages

EVI DC Inverter Heat Pump is a multifunctional unit, creatively combining environmentally friendly R32/R410A refrigerant, with extremely cost-effective EVI full frequency conversion technology, especially with the A +++ ERP energy label, which can be used in areas with extremely low climate temperatures. The temperature of heating/cooling and domestic hot water is as low as -25°C. The free WiFi function and clear smartphone APP can be operated, indicating that it can be easily and intelligently controlled anytime and anywhere.

Our Service&Guarantee

Our servise
1.You inquiry related to our products or price will be replied within 24 hours .
2.Well-train and experienced team give more patience and good service for you.
3.Check the goods before sending the shipment.Confirm the price of goods.
4.We respect your feedback after receiver the goods .
5.Protection of your sales area idea of design and all your private information.
6.Welcome to visit our factory .
The Realm heat pumps come with a 2-year warranty on all components 


Q1: Are you a manufacturer?
A: Yes, we are a professional heat pump manufacturer since 2005, with experienced and outstanding R&D team, production, marketing and service supplying.

Q2: What are your main products?
A: Our products include air source heat pump, water source heat pump, geothermal heat pump, swimming pool heat pump, super low noice heat pump and EVI heat pump for cold climate etc.

Q3: How about the lead time?
A: It will take 15-30 working days for general order. And needs to negotiated for large and customized orders.

Q4: Do you provide OEM/ODM customized service?
A: Yes, we warmly welcome your OEM/ODM orders. We can produce standard heat pumps under your brand and according to your special needs.

Q5: Can i become your heat pump agent/distributor?
A: Yes, we warmly welcome you become our heat pump agent/distributor who can distribute our heat pumps in your local country.

Q6: How to place an order?
A: You can contact us via email or online service at any time, we will offer you ralated product information and help you to place an order.

Q7: What is your terms of payment ?
A: Payment10000 USD, 30% T/T in advance , 70% balance before shipment or against B/L copy.

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Energy Efficiency Grade: One
Heat Temperature: 50-70°C
Work Environment: Low-temperature Heat Pump
US$ 1750/Piece
1 Piece(Min.Order)


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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

How does variable speed drive technology improve air compressor efficiency?

Variable Speed Drive (VSD) technology improves air compressor efficiency by allowing the compressor to adjust its motor speed to match the compressed air demand. This technology offers several benefits that contribute to energy savings and enhanced overall system efficiency. Here’s how VSD technology improves air compressor efficiency:

1. Matching Air Demand:

Air compressors equipped with VSD technology can vary the motor speed to precisely match the required compressed air output. Traditional fixed-speed compressors operate at a constant speed regardless of the actual demand, leading to energy wastage during periods of lower air demand. VSD compressors, on the other hand, ramp up or down the motor speed to deliver the necessary amount of compressed air, ensuring optimal energy utilization.

2. Reduced Unloaded Running Time:

Fixed-speed compressors often run unloaded during periods of low demand, where they continue to consume energy without producing compressed air. VSD technology eliminates or significantly reduces this unloaded running time by adjusting the motor speed to closely follow the air demand. As a result, VSD compressors minimize energy wastage during idle periods, leading to improved efficiency.

3. Soft Starting:

Traditional fixed-speed compressors experience high inrush currents during startup, which can strain the electrical system and cause voltage dips. VSD compressors utilize soft starting capabilities, gradually ramping up the motor speed instead of instantly reaching full speed. This soft starting feature reduces mechanical and electrical stress, ensuring a smooth and controlled startup, and minimizing energy spikes.

4. Energy Savings at Partial Load:

In many applications, compressed air demand varies throughout the day or during different production cycles. VSD compressors excel in such scenarios by operating at lower speeds during periods of lower demand. Since power consumption is proportional to motor speed, running the compressor at reduced speeds significantly reduces energy consumption compared to fixed-speed compressors that operate at a constant speed regardless of the demand.

5. Elimination of On/Off Cycling:

Fixed-speed compressors often use on/off cycling to adjust the compressed air output. This cycling can result in frequent starts and stops, which consume more energy and cause mechanical wear. VSD compressors eliminate the need for on/off cycling by continuously adjusting the motor speed to meet the demand. By operating at a consistent speed within the required range, VSD compressors minimize energy losses associated with frequent cycling.

6. Enhanced System Control:

VSD compressors offer advanced control capabilities, allowing for precise monitoring and adjustment of the compressed air system. These systems can integrate with sensors and control algorithms to maintain optimal system pressure, minimize pressure fluctuations, and prevent excessive energy consumption. The ability to fine-tune the compressor’s output based on real-time demand contributes to improved overall system efficiency.

By utilizing variable speed drive technology, air compressors can achieve significant energy savings, reduce operational costs, and enhance their environmental sustainability by minimizing energy wastage and optimizing efficiency.

air compressor

What are the environmental considerations when using air compressors?

When using air compressors, there are several environmental considerations to keep in mind. Here’s an in-depth look at some of the key factors:

Energy Efficiency:

Energy efficiency is a crucial environmental consideration when using air compressors. Compressing air requires a significant amount of energy, and inefficient compressors can consume excessive power, leading to higher energy consumption and increased greenhouse gas emissions. It is important to choose energy-efficient air compressors that incorporate features such as Variable Speed Drive (VSD) technology and efficient motor design, as they can help minimize energy waste and reduce the carbon footprint.

Air Leakage:

Air leakage is a common issue in compressed air systems and can contribute to energy waste and environmental impact. Leaks in the system result in the continuous release of compressed air, requiring the compressor to work harder and consume more energy to maintain the desired pressure. Regular inspection and maintenance of the compressed air system to detect and repair leaks can help reduce air loss and improve overall energy efficiency.

Noise Pollution:

Air compressors can generate significant noise levels during operation, which can contribute to noise pollution. Prolonged exposure to high noise levels can have detrimental effects on human health and well-being and can also impact the surrounding environment and wildlife. It is important to consider noise reduction measures such as sound insulation, proper equipment placement, and using quieter compressor models to mitigate the impact of noise pollution.


While air compressors do not directly emit pollutants, the electricity or fuel used to power them can have an environmental impact. If the electricity is generated from fossil fuels, the associated emissions from power plants contribute to air pollution and greenhouse gas emissions. Choosing energy sources with lower emissions, such as renewable energy, can help reduce the environmental impact of operating air compressors.

Proper Waste Management:

Proper waste management is essential when using air compressors. This includes the appropriate disposal of compressor lubricants, filters, and other maintenance-related materials. It is important to follow local regulations and guidelines for waste disposal to prevent contamination of soil, water, or air and minimize the environmental impact.

Sustainable Practices:

Adopting sustainable practices can further reduce the environmental impact of using air compressors. This can include implementing preventive maintenance programs to optimize performance, reducing idle time, and promoting responsible use of compressed air by avoiding overpressurization and optimizing system design.

By considering these environmental factors and taking appropriate measures, it is possible to minimize the environmental impact associated with the use of air compressors. Choosing energy-efficient models, addressing air leaks, managing waste properly, and adopting sustainable practices can contribute to a more environmentally friendly operation.

air compressor

Can you explain the basics of air compressor terminology?

Understanding the basic terminology related to air compressors can help in better comprehension of their operation and discussions related to them. Here are some essential terms related to air compressors:

1. CFM (Cubic Feet per Minute): CFM is a unit of measurement that denotes the volumetric flow rate of compressed air. It indicates the amount of air a compressor can deliver within a minute and is a crucial factor in determining the compressor’s capacity.

2. PSI (Pounds per Square Inch): PSI is a unit of measurement used to quantify pressure. It represents the force exerted by the compressed air on a specific area. PSI is a vital specification for understanding the pressure capabilities of an air compressor and determining its suitability for various applications.

3. Duty Cycle: Duty cycle refers to the percentage of time an air compressor can operate in a given time period. It indicates the compressor’s ability to handle continuous operation without overheating or experiencing performance issues. For instance, a compressor with a 50% duty cycle can run for half the time in a given hour or cycle.

4. Horsepower (HP): Horsepower is a unit used to measure the power output of a compressor motor. It indicates the motor’s capacity to drive the compressor pump and is often used as a reference for comparing different compressor models.

5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air delivered by the compressor. It helps in stabilizing pressure fluctuations, allowing for a more consistent supply of compressed air during peak demand periods.

6. Single-Stage vs. Two-Stage: These terms refer to the number of compression stages in a reciprocating air compressor. In a single-stage compressor, air is compressed in a single stroke of the piston, while in a two-stage compressor, it undergoes initial compression in one stage and further compression in a second stage, resulting in higher pressures.

7. Oil-Free vs. Oil-Lubricated: These terms describe the lubrication method used in air compressors. Oil-free compressors have internal components that do not require oil lubrication, making them suitable for applications where oil contamination is a concern. Oil-lubricated compressors use oil for lubrication, enhancing durability and performance but requiring regular oil changes and maintenance.

8. Pressure Switch: A pressure switch is an electrical component that automatically starts and stops the compressor motor based on the pre-set pressure levels. It helps maintain the desired pressure range in the receiver tank and protects the compressor from over-pressurization.

9. Regulator: A regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications and ensures a consistent and safe supply of compressed air.

These are some of the fundamental terms associated with air compressors. Familiarizing yourself with these terms will aid in understanding and effectively communicating about air compressors and their functionality.

China factory 6HP High Efficiency Air Source Heat Pump CHINAMFG Compressor Heating &Cooling&Dhw   with high qualityChina factory 6HP High Efficiency Air Source Heat Pump CHINAMFG Compressor Heating &Cooling&Dhw   with high quality
editor by CX 2024-04-09