Hydrolution EZY Series 住宅用空气源热水热泵 by Mitsubishi Heavy Industries (MHI)

Hydrolution EZY Series 住宅用空气源热水热泵 by Mitsubishi Heavy Industries (MHI) is a highly esteemed winner of the very prestigious 2026 A' Design Award 铂金奖 in 暖通空调产品设计 Competition Category.

铂金暖通空调· 2026

Hydrolution EZY Series 住宅用空气源热水热泵

by Mitsubishi Heavy Industries (MHI)

Client: Mitsubishi Heavy Industries Thermal Systems, Ltd.

A' Design Award 铂金奖 Winner in 暖通空调 Category

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The Design

About Hydrolution EZY Series 住宅用空气源热水热泵

该产品是一款住宅用空气源热水热泵，采用天然制冷剂R290，可提供供暖、制冷及生活热水功能，兼具卓越的环保性能。机身采用纯黑色调，搭配银色点缀，既能与传统欧式建筑相协调，又能融入现代建筑风格。左侧风扇护罩采用纹理表面处理，右侧则为光滑的平面面板。即便在零下25摄氏度的环境下，仍能提供75摄氏度的热水，确保全年舒适可靠的使用体验。

The Recognition

About the A' Design Award 铂金奖

Hydrolution EZY Series 住宅用空气源热水热泵是 A' Design Award 铂金奖得主，这是授予真正卓越、优雅和宏伟设计的极具声望的认可。铂金奖得主是创造的奇迹，是智力创造力极限的见证，展现出其设计师无与伦比的专业精神和天才。这些设计被期待成为定义一个时代的美学、造福社会、并拓展艺术、科学、设计和技术边界的最负盛名的作品。Hydrolution EZY Series 住宅用空气源热水热泵展现出超凡脱俗的卓越水准，以其有益而宝贵的特质毫无疑问地让世界变得更美好。Hydrolution EZY Series 住宅用空气源热水热泵是一件赢得 A' Design Award 铂金奖的作品，它唤起欲望，启发人心，令人愉悦，并迸发出巨大的喜悦。

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: The unit is a residential air-to-water heat pump that provides heating, cooling, and domestic hot water with excellent environmental performance using natural refrigerant R290. The unit has a jet-black body with a silver accent, harmonizing with both traditional European buildings and modern architecture. The fan guard on the left side has a textured surface, while the right side has a smooth flat panel. It can supply hot water at 75°C even at -25°C, ensuring reliable year-round comfort.
Dimensions & Packaging: Dimensions (H × W × D): 916 × 1160 × 440 mm
Tags: residential air to water heat pump, climate-solution, low global warming potential, longevity
Production Technology: The product was designed in Japan and is manufactured at our factory in Thailand.
Production takes place on a dedicated R290 manufacturing line, which ensures strict control of safety and quality when handling this natural refrigerant. As part of our quality assurance process, every unit undergoes test runs for both heating and cooling modes before shipment. During these test runs, performance data is recorded and traceable this helps to verify operation and to support long-term reliability.
Design Challenge: One of the challenges was achieving a design that prioritize durability, without compromising on aesthetics.
Materials and structural components were carefully selected to withstand harsh outdoor conditions.
To verify the resilience of the black exterior, the unit underwent 1,000 hours of UV resistance testing to ensure protection against prolonged sunlight exposure and was subjected to a direct sunlight test in the laboratory to evaluate the temperature rise of the controller.
Research: To ensure the safe use of the flammable refrigerant, a thorough risk assessment was conducted across the entire product lifecycle—including testing, manufacturing, storage, shipping, installation, operation, maintenance, and disposal. Cross-functional collaboration across design, sales, manufacturing, and quality assurance ensured the product was optimized both technically and commercially.
A field test in the Netherlands provided real-world feedback to validate its performance.
Inspiration: Air-to-water heat pumps are becoming more popular as an eco-friendly alternative to traditional fossil fuel boilers. Since units are typically installed outside and often positioned in visible areas, thoughtful and high-quality design is important. This unit features a jet-black finish and clean, minimal lines, blending naturally into traditional European architecture while offering a refined appearance. It uses R290, a natural refrigerant with an extremely low Global Warming Potential of 0.02.
Project Duration: The product was developed over several years through close collaboration between the marketing, sales, engineering, manufacturing, and quality assurance teams.
To ensure alignment with real-world requirements, feedback from various clients across Europe was also actively incorporated throughout the development process. A field test was conducted at a customer site in the Netherlands, where key aspects such as performance, durability, and ease of installation were closely evaluated.
Operation Flow: The unit has a sound pressure level of just 34 dB(A) even at maximum capacity, achieved by a sound-absorbing double base plate and large fan, making it as quiet as a library—ensuring noise remains low enough for comfortable nighttime use. It is compatible with a remote monitoring system allowing users to monitor operation status, optimize performance, and detect issues via smartphones. For safe operation with R290 refrigerant, the unit includes multiple sensors, a sealed internal structure that separates ignition sources, and a vent hole at the base designed to safely release gas outside in the unlikely event of a leak.
Patents: Mitsubishi Heavy Industries Thermal Systems, Ltd.
Team Members: Mitsubishi Heavy Industries (MHI)
Image Credits: Mitsubishi Heavy Industries Thermal Systems, Ltd.