Hot Selling 45kw R32 Air Water Heat Pump for -30℃ Villa Cooler

• Customization: Available
• Energy Efficiency Grade: Three
• Heat Temperature: Max Heating Water Outlet Temperature: 55℃.
• Work Environment: Common Heat Pump
• Heat Source: Air-source
• Heating Type: Circulating Heat
• Application: Villa Family, Sauna and Swimming Pool, Hotels, Factory Hospital, Student Apartments
• Certification: CE, ISO9001, RoHS
• Heat Pump: Air Source Heat Pump
• Solar Water Heater: Water Heater
• Heat Pump Water Heaters: Heat Pump Air to Water
• Air Conditioner: Made in China
• Transport Package: Carton or Wooden Frame
• Specification: 900*420*1226mm
• Trademark: Hien
• Origin: China
• HS Code: 8418612090
• Production Capacity: 50000pieces/Year
• Package Size: 150.00cm * 120.00cm * 100.00cm
• Package Gross Weight: 150.000kg

Product Description

Product Description

TECHNICAL ADVANTAGES

Dual Functionality: Heating and Cooling capabilities.
Heating Capacity: 45kW.
Advanced Compression Technology: DC inverter rotary EVI compressor
Wide Operating Temperature Range: Heating -30℃ to 28℃, Cooling 15℃ to 50℃
Cold Climate Resilience: Stable operation in -30℃ environment.
Smart Controls: Wi-Fi enabled with app for convenient remote control.
Enhanced Freeze Protection: Features 8 layers of anti-freeze design.
Wide Voltage Operation: Ultra-wide voltage operating range from 285V to 460V.
Quiet Operation: Designed for low noise levels.
Smart Defrost Technology: Frost-free operation.
Eco-Friendly: Uses R32 refrigerant.
Maximum heating water outlet temperature: 55℃.
Minimum cooling water outlet temperature: 5℃.

Heat Pump Heating and Cooling System

The heat pump is an all-in-one home solution.

In winter, it provides heating for underfloor systems, radiators, and central air conditioning.

In summer, it cools fan coils for a refreshing environment.

Efficient, energy-saving, and smart, it keeps your home comfortable all year round.

Wider Ambient Temperature Operating Range

Hien Air Source Heat Pumps operate stably within 285–460 V, designed to ensure normal use even in regions with significant voltage fluctuations.

Heating -30℃ to 28℃; Cooling 15℃ to 50℃.

Maximum heating water outlet temperature: 55℃. Minimum cooling water outlet temperature: 5℃

MORE THAN 70000 PROJECTS COMPLETED SO FAR; MORE THAN 6.5 MILLION PRODUCTS DELIVERED.

HIGHLIGHT  PROJECTS
The 2008 Shanghai World Expo.
Universiade SHENZHEN 2011
The 2011 Universiade in Shenzhen.
BOAO FORUM FOR ASIA
The 2013 Boao Summit for Asia in Hainan.
The artificial island hot water project of the Hong Kong–Zhuhai–Macao Bridge in 2019.
2016 the hot water reconstruction project of Qingdao port.
BEIJING 2022
The 2022 Beijing Winter Olympic Games & Paralympic Games.
G20 2016 China
2016 the G20 Hangzhou Summit.
19th Asian Games Hangzhou 2022
2023 the Asian Games in Hangzhou

Specification

Product Model		DLRK-45 II BA/A1
Power Supply		380V 3N~ 50Hz
Anti-Electric Shock Rate		Class I
Ingress Protection Rating		IPX4
Condition 1	Rated Heating Capacity	17200W~45000W
Unit Type
Condition 2	Rated Heating Capacity	33000W
	Rated Heating Power Input	11500W
	Heating COP	2.87
Condition 4	Low Temp. Heating Capacity	27700W
	Low Ambient Heating Power Input	10950W
	Low Ambient COP	2.53
HSPF		3.85
Unit Type
Condition 2	Rated Heating Capacity	33000W
	Rated Heating Power Input	12530W
	Heating COP	2.63
Condition 4	Low Temp. Heating Capacity	27700W
	Low Ambient Heating Power Input	11930W
	Low Ambient COP	2.32
HSPF		3.45
APF		3.50
	Unit Type
Condition 2	Rated Heating Capacity	33000W
	Rated Heating Power Input	14270W
	Heating COP	2.31
Condition 4	Low Temp. Heating Capacity	27700W
	Low Ambient Heating Power Input	13520W
	Low Ambient COP	2.05
HSPF		2.90
Rated Water Flow		6.36m³/h
Condition 3	Rated Cooling Capacity	37000W
	Power Input	12750W
	EER	2.90
CSPF		4.70
Max Power Input		18700W
Max Running Current		32A
Water Pressure Drop		36kpa
Max Pressure on High/Low Pressure Side		4.3/4.3Mpa
Allowable Discharge/Sucion Pressure		4.3/1.2Mpa
Max Pressure on Evaporator		4.3Mpa
Water Pipe Connection
Noise		60.5dB(A)
Refrigerant/Charge		R32/6.5kg
Dimension (LxWxH)(mm)		1540x570x2100
Net Weight		307kg

Heat Pump Testing Conditions

 Condition 1:Outdoor Air Temp. : DB 7°C / WB 6°C ,Outlet Water Temp.45℃        
 Condition 2:Outdoor Air Temp. : DB -12°C / WB -13.5°C         
 Condition 3:Outdoor Air Temp. : DB 35°C /-,Outlet Water Temp.7℃        
 Condition 4:Outdoor Air Temp. : DB -20°C /-        

Exhibition

Global Presence with Hien From Beijing ISH to Milan MCE, from Frankfurt ISH to Birmingham Installer Show

Hien is redefining global standards in sustainable climate control — one heat pump at a time. At the world's top HVAC exhibitions, our eye-catching booths showcase cutting-edge heat pump technologies and a track record of over 70,000 successful solutions delivered worldwide. We're not just attending — we're driving the transformation toward energy-efficient, low-carbon living.

Meet us at:

ISH Germany • Hall 12.0 E29 • 156 m²
ISH China & CIHE • E4-03 • 400 m²
MCE Milan • Hall 3 M50 • 60 m²
Installer Show Birmingham • 2024 & 2025 • Two booths
Warsaw HVAC Expo • E2.16 • 69 m²
Heat Pump Technologies Milan • C22 • 32 m²

Company Profile

ABOUT HIEN

Founded in 1992, Hien firstly started as an electronic component manufacturer. With a registered capital of 300 million RMB, Hien entered the air source industry in 2000. It is a leading enterprise of air source heat pumps in the area of product R & D, production, sales, and after-sales service. Hien owns one of the largest production bases of heat pumps in China, as well as the CANS-certified state-level comprehensive laboratory.

Production Experience	Total foorspace	Cooperated suppliers	ODM services	R&D Team	Transaction Amount
30+years	(51,234)square meter	(5300+)	available	100+ Workers	800,000,000+

Innovation Engine Behind Hien's Heat Pump Excellence 

At Hien, our R&D team is the driving force behind breakthrough heat pump solutions. With over 130 invention patents, 106 technical experts, and 25 years of deep experience in core technologies, we turn ideas into high-performance, energy-efficient systems.

Our facilities span 5,000 m², equipped with tools valued over ¥20 million, supporting expertise in thermal power, electrical engineering, energy management, and more. Backed by two R&D centers and a national-level postdoctoral research station, we don't just follow trends — we define them.

From concept to deployment, our team customizes solutions that meet real-world demands, empowering our global partners to lead in sustainability.

FAQ

Q.Are you a trading company or manufacturer?
A: We are a heat pump manufacturer in China.We specialized in heat pump design/ manufacturing for more than 25 years.

Q.Can i ODM/ OEM and print my own logo on the products?

A: Yes, Through 25 years research and development of heat pump, hien technical team is professional and experienced to offer customized solution for OEM,ODM customer, which is one of our most competitive advantage.
If above online heat pump does not match your requirements, please do not hesitate to send message to us, we have hundreds of heat pump for optional, or customizing heat pump based on demands, it is our advantage!

Q.How do l know if your heat pump are good quality?
A: Sample order is acceptable for testing your market and checking our quality And we have strict quality control systems from raw material incoming until finished product delivery out.

Q.Do you test all the goods before delivery?
A: Yes, we have 100% test before delivery. If you need any assistance, please feel free to contact us.

Q: What certifications do your heat pump has?
A: Our heat pump have  CEcertification, MCS,ISO 14001, ISO 45001, and ISO 9001  certification.

Q: For a customized heat pump, how long is the R&D time (Research& Development time)?

A: Normally, 10~50 business days, it depends on requirements, just some modification on standard heat pump or a totally new design item.

If you are interested in this product,please fill in the below and send us,we will reply you and also send you the latest product catalog and latest quotation within 1 hour!