COPELAND ASM09C1U-RAA-901 Hermetic Compressor R290 1/4 115V

( Brand: Copeland ), ( Manufacturer Part Number: ASM09C1U-RAA-901 ), ( Part Type: Hp Compressor ), ( Compressor Type: Hermetic ), ( Refrigerant: R-290 ), ( Voltage: 115 V ), ( Color: Black ), ( Power Phase: 1 Phase )

Review COPELAND Hermetic Compressor Medium Temp 1/4 Hp 115v

The **Copeland ASM09C1U-RAA-901** is a high-performance, hermetically sealed compressor engineered for precision cooling applications, delivering exceptional efficiency and reliability in both residential and light-commercial environments. This **1/4 horsepower (0.25 HP) unit**, operating at **115V single-phase power**, is designed with cutting-edge technology to optimize energy consumption while maintaining superior cooling performance. Built with a robust **R-290 (propane) refrigerant**, this compressor adheres to modern environmental standards, offering an eco-friendly alternative to traditional refrigerants without compromising on cooling capacity or efficiency. The hermetic sealing ensures complete containment of the refrigerant system, eliminating the need for external oil management and reducing the risk of leaks, which enhances both safety and longevity.

The **ASM09C1U-RAA-901** incorporates Copeland s advanced **ASM (Advanced Scroll Motor) technology**, featuring a **permanent magnet motor** that operates with minimal energy loss, resulting in lower operating costs and reduced heat generation. This design also contributes to quieter performance, making it ideal for applications where noise reduction is a priority, such as under-counter refrigeration, display cases, or compact HVAC systems. The compressor s **variable capacity control** allows for precise modulation of cooling output, adapting seamlessly to changing thermal loads and improving overall system efficiency. Additionally, its **high-efficiency scroll compressor** ensures smooth and consistent operation, reducing wear and extending the lifespan of the unit.

Constructed with **durable materials**, including corrosion-resistant coatings and high-grade aluminum components, this compressor is built to withstand demanding operating conditions while maintaining reliability over extended periods. The **RAA-901 model** is specifically optimized for **low-temperature applications**, making it suitable for commercial refrigeration systems, ice cream cabinets, or other environments requiring precise temperature control. Its compact yet robust design allows for easy integration into existing or new cooling systems, while its **universal voltage compatibility** (115V) ensures flexibility in installation across various regions. Whether used in a high-end restaurant, a medical facility, or a commercial retail setting, the **Copeland ASM09C1U-RAA-901** delivers unmatched performance, energy savings, and environmental responsibility, making it a standout choice for professionals seeking superior cooling solutions.

### **Pros and Cons of buying a Copeland ASM09C1U-RAA-901 (R290, 1/4 HP, 115V) Hermetic Compressor**

1. **Energy Efficiency** The compressor uses **R290 (propane)**, a natural refrigerant with a **Global Warming Potential (GWP) of 3**, making it significantly more environmentally friendly than traditional HFC refrigerants (e.g., R-134a, R-410A). This aligns with modern sustainability regulations and reduces long-term climate impact.

2. **High Efficiency Rating** As a **1/4 HP hermetic compressor**, it is designed for compact, high-efficiency applications such as **mini-split heat pumps, dehumidifiers, or small refrigeration units**. It likely operates with better **COP (Coefficient of Performance)** compared to older models, reducing energy consumption.

3. **Reliability & Durability** Copeland is a well-known brand in the HVAC and refrigeration industry, known for producing **long-lasting, high-quality compressors**. Hermetic compressors are generally **sealed units**, reducing the risk of oil leaks and contamination compared to open-drive compressors.

4. **Compatibility with Modern Refrigerants** R290 is a **drop-in replacement** for many older systems (with proper modifications), making it a future-proof choice as regulations phase out high-GWP refrigerants.

5. **Quiet Operation** Hermetic compressors are typically **quieter** than open-drive models, making them suitable for residential or low-noise applications.

6. **Compact & Space-Efficient** The **1/4 HP size** makes it ideal for **small-scale applications** where space is limited, such as under-counter refrigerators, dehumidifiers, or compact heat pumps.

7. **Lower Operating Costs** Due to its efficiency and the use of R290 (which has a high energy efficiency ratio), it may **reduce electricity bills** compared to less efficient compressors.

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1. **Higher Upfront Cost** R290-based systems are generally **more expensive** than those using traditional refrigerants like R-134a or R-410A. The cost of the compressor itself, along with the need for **specialized handling and disposal procedures** for R290, may increase initial expenses.

- **Strict storage and transportation regulations** (may require certified handling).

- **Potential fire risks** if not installed correctly (though modern systems are designed with safety in mind).

- **Additional training** may be needed for technicians working with it.

3. **Limited Availability of Technicians** Not all HVAC technicians are familiar with **R290 systems**, which could complicate maintenance, repairs, or installations. Finding a **certified R290 specialist** may be necessary in some regions.

4. **Potential Leak Risks** While R290 is non-toxic, its flammability means **leaks must be addressed immediately** to prevent hazards. This could lead to **higher maintenance costs** if the system is not properly sealed.

5. **Compatibility Issues with Older Systems** If retrofitting an existing unit, **modifications may be required** (e.g., oil type, pressure switches, or electrical components). This could add to installation costs.

6. **Regional Restrictions** Some countries or states have **specific regulations** on R290 use, including **maximum charge limits** or **prohibitions in certain applications** (e.g., large commercial systems). Always check local **ASHARE, EPA, or regional HVAC codes** before purchasing.

7. **Limited Lifespan Compared to Some Alternatives** While Copeland compressors are durable, **R290 s flammability and efficiency trade-offs** may mean a slightly shorter lifespan in high-stress applications compared to **R-134a or R-410A** in some cases.

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The **Copeland ASM09C1U-RAA-901 (R290, 1/4 HP, 115V)** is an **excellent choice** for **energy-efficient, eco-friendly, and compact refrigeration or HVAC applications** where sustainability is a priority. Its **low GWP, high efficiency, and reliability** make it ideal for **residential mini-splits, dehumidifiers, or small commercial refrigeration units**.

However, the **higher cost, flammability concerns, and specialized installation requirements** mean it is **not the best fit** for every application. If **cost is a major concern** or if **technician expertise is limited**, a traditional **R-134a or R-410A compressor** may be more practical.

- You are **replacing an old system** and want a **low-GWP, energy-efficient solution**.

- You are installing a **new mini-split heat pump, dehumidifier, or small refrigeration unit** where **sustainability is a priority**.

- You have access to a **certified R290 technician** for installation and maintenance.

- Your application is **low-risk for leaks** (e.g., sealed systems with proper monitoring).

- You need a **budget-friendly solution** and cannot justify the higher upfront cost.

- Your region has **strict flammable refrigerant restrictions**.

- You lack access to **specialized technicians** for R290 systems.

- The application is **high-risk for leaks** (e.g., large commercial systems with frequent openings).

**Final Verdict:** For **small, efficient, and eco-conscious applications**, this compressor is a **strong recommendation**. For **large-scale or cost-sensitive projects**, a traditional refrigerant may be more practical. Always **verify local regulations and technician availability** before purchasing.

Details:

Copeland ASM09C1U-RAA-901 Hermetic Compressor Medium Temp, R290, 1/4 HP, 115V, Item comes as pictured - no box or other accessories included than what is shown.

part #: asm09c1uraa901 prices

• $396.50-$810.19

specifications motohva:

• brand: Copeland
• mpn: Asm09c1u-raa-901
• part type: Hp Compressor
• compressor type: Hermetic
• refrigerant: R-290
• voltage: 115 V
• color: Black
• power phase: 1 Phase

returns motohva:

• paid by: Seller
• policy: Returns Accepted
• method: Money back
• time: 30 Days

offer motohva:

• best offers: True
• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: March 8, 2026

shipping motohva:

• type: Fixed
• class: Standard
• cost: $0.00
• transit: 4-9 Days
• service: Standard

seller motohva:

• # reviews: 2219
• rating: 99.9%
• city: Alpharetta, Georgia

general motohva:

• HVAC Refrigeration > HVAC Refrigeration Components > Compressors
• condition: New Open box

payments motohva:

• wallet: Google-pay
• credit card: Visa
• other
• money order

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