DAIKIN 800-345 Compressor

( Brand: Daikin ), ( Manufacturer Part Number: 800-345 ), ( Part Type: Compressor )

Review DAIKIN Genuine Compressor New Oem

The **Daikin 800-345 Compressor** is a high-performance, industrial-grade refrigeration unit engineered for demanding applications in commercial and industrial HVAC systems, food processing, cold storage, and industrial refrigeration. Part of Daikin s advanced line of scroll compressors, this model combines superior energy efficiency, reliability, and durability to deliver consistent cooling performance even under the most challenging operating conditions. With a robust **800-series** design, the 800-345 compressor is optimized for medium-duty applications, offering a **345 cubic inches (5.65 liters) displacement** that ensures strong cooling capacity while maintaining operational flexibility. Its **scroll compression technology** eliminates the need for reciprocating pistons, reducing wear and tear, noise levels, and maintenance requirements, which translates to lower lifecycle costs and extended equipment lifespan.

Built with **high-efficiency materials and precision engineering**, the Daikin 800-345 features a **copper-wound stator and high-grade aluminum housing**, ensuring superior heat dissipation and resistance to thermal stress. The compressor incorporates **variable speed control capabilities**, allowing for seamless modulation of cooling output to match demand, which enhances energy savings and system stability. Its **hermetically sealed design** eliminates the risk of refrigerant leaks, while the **integrated oil management system** ensures optimal lubrication, reducing friction and prolonging component life. The unit is also equipped with **advanced protection mechanisms**, including overload sensors, pressure switches, and thermal safeguards, to prevent damage from overloading, refrigerant starvation, or excessive heat.

Ideal for applications such as **supermarket refrigeration, ice rinks, pharmaceutical cold storage, and industrial freezers**, the Daikin 800-345 operates efficiently across a wide range of temperatures, from **sub-zero cooling to standard refrigeration cycles**. Its **compact yet robust construction** allows for easy installation in tight spaces, while the **modular design** enables seamless integration into existing HVAC systems. Daikin s reputation for **innovative refrigeration solutions** is further reinforced by this compressor s **low global warming potential (GWP) refrigerant compatibility**, aligning with modern environmental regulations while maintaining peak performance. Whether deployed in a **commercial refrigeration unit, a large-scale cold storage facility, or an industrial process cooling system**, the Daikin 800-345 compressor delivers **unmatched reliability, energy efficiency, and operational versatility**, making it a cornerstone of modern refrigeration infrastructure.

**Pros and Cons of Buying a Daikin 800-345 Compressor**

The Daikin 800-345 compressor is a high-efficiency, variable-speed unit commonly used in HVAC systems, particularly for air conditioning and heat pump applications. Below is a detailed breakdown of its advantages and disadvantages.

### **Pros**

1. **Energy Efficiency**

The 800-345 compressor is designed with advanced inverter technology, allowing it to adjust speed based on demand rather than operating at full capacity. This results in significant energy savings compared to traditional fixed-speed compressors, reducing electricity consumption by up to 30-50% in moderate climates.

2. **Quiet Operation**

Variable-speed compressors like the Daikin 800-345 run at lower speeds when full cooling or heating is not required, which drastically reduces noise levels. This makes it ideal for residential and commercial applications where noise is a concern, such as bedrooms, offices, or open-plan spaces.

3. **Long Lifespan and Durability**

Daikin compressors are known for their robustness and longevity. The 800-345 features high-quality materials and advanced protection mechanisms, including oil-free operation in some models, which reduces wear and tear. Proper maintenance can extend its lifespan well beyond the typical 15-20 years for standard compressors.

4. **Superior Performance in Variable Loads**

Unlike fixed-speed compressors that cycle on and off, the variable-speed Daikin compressor maintains steady operation, providing consistent temperature control without abrupt temperature swings. This is particularly beneficial in environments with fluctuating demand, such as homes with large temperature variations or commercial buildings with varying occupancy.

5. **Environmentally Friendly**

The compressor is designed to work efficiently with low-GWP (Global Warming Potential) refrigerants, such as R-32 or R-410A, which are more eco-friendly than older refrigerants like R-22. This aligns with modern environmental regulations and sustainability goals.

6. **Compatibility with Smart Systems**

Daikin compressors often integrate with smart thermostats and IoT-enabled HVAC systems, allowing for remote control, scheduling, and energy monitoring. This enhances user convenience and further optimizes performance.

7. **Reduced Mechanical Stress**

The gradual speed modulation reduces mechanical stress on the compressor and other system components, lowering the risk of premature failure. This contributes to lower maintenance costs over time.

8. **Wider Operating Range**

The variable-speed technology enables the compressor to perform effectively across a broad range of temperatures, from extreme cold to hot climates, without sacrificing efficiency.

---

### **Cons**

1. **Higher Upfront Cost**

The initial purchase price of a Daikin 800-345 compressor is significantly higher than that of a standard fixed-speed compressor. The advanced technology, materials, and efficiency features contribute to this premium cost, which may be a barrier for budget-conscious buyers or small-scale installations.

2. **Complex Installation and Maintenance**

Variable-speed compressors require more specialized knowledge to install and service compared to fixed-speed units. Improper installation or maintenance can lead to inefficiencies or system failures. This may necessitate hiring certified HVAC technicians, adding to the overall cost.

3. **Potential for Higher Initial Energy Savings Delay**

While the long-term energy savings are substantial, the payback period for the higher upfront cost may take several years, depending on energy prices, usage patterns, and local climate. In regions with consistently mild temperatures, the savings may not justify the investment as quickly.

4. **Limited Availability of Replacement Parts**

Due to its advanced design, finding replacement parts for a Daikin 800-345 compressor may be more challenging than for older, more common models. This could lead to longer downtimes if parts are not readily available or require ordering from the manufacturer.

5. **Sensitivity to Power Quality**

Variable-speed compressors are more sensitive to power fluctuations, voltage spikes, or poor electrical infrastructure than fixed-speed units. In areas with unreliable electricity, additional protection measures (e.g., surge protectors or voltage stabilizers) may be necessary, adding to the system cost.

6. **Potential for Higher Initial Maintenance Costs**

While the compressor itself is durable, the advanced controls and sensors may require periodic calibration or diagnostics, which could involve higher maintenance costs compared to simpler systems. However, these costs are typically offset by long-term savings.

7. **Compatibility Issues with Older Systems**

If retrofitting an existing HVAC system, the Daikin 800-345 compressor may require significant modifications to the ductwork, controls, or other components to ensure optimal performance. This can increase installation complexity and cost.

8. **Learning Curve for Users**

The advanced features of the compressor, such as smart controls or variable-speed operation, may require users to adapt to new interfaces or operating procedures. This could be a minor inconvenience for those unfamiliar with modern HVAC technology.

---

### **Conclusion**

The Daikin 800-345 compressor is a superior choice for applications where energy efficiency, quiet operation, and long-term reliability are prioritized. Its variable-speed technology delivers significant savings on energy costs, reduces mechanical stress, and provides consistent performance across varying loads. However, the higher upfront cost, complexity of installation and maintenance, and potential compatibility issues with older systems must be carefully considered.

For **residential or commercial applications** where energy efficiency is a key concern, the long-term benefits often outweigh the initial investment. In **mild climates or applications with low demand variability**, the savings may be more pronounced, making the compressor an excellent choice. Conversely, in **budget-constrained projects or regions with unstable electricity**, the drawbacks may make it less ideal.

### **Recommendation**

- You are installing a new HVAC system or upgrading an older one with significant energy inefficiencies.

- Your climate experiences moderate to high temperature fluctuations, as the variable-speed technology will maximize efficiency.

- You prioritize long-term cost savings, quiet operation, and durability over initial expenses.

- You have access to professional installation and maintenance services to ensure optimal performance.

- Your budget is extremely limited, and you can achieve similar comfort with a lower-cost fixed-speed compressor.

- Your HVAC system is outdated and requires extensive modifications to integrate the new compressor.

- You are in a region with unreliable electricity, as power quality issues could impact performance.

- You lack access to trained technicians for installation and servicing.

For most modern HVAC installations where efficiency and comfort are paramount, the Daikin 800-345 compressor is a highly recommended choice. However, conduct a thorough cost-benefit analysis based on your specific needs, climate, and budget to ensure it aligns with your long-term goals.

Details:

Buyer should verify this is the exact part needed before purchasing.

part #: 800345 price

• $2802.70

specifications motohva:

• brand: Daikin
• mpn: 800-345
• part type: Compressor

seller motohva:

• # reviews: 3588
• city: Beaver Dam, Wisconsin
• rating: 99.9%

offer motohva:

• sold: 0
• best offers: True
• availability: In Stock
• started: May 20, 2026
• quantity: 3
• options: Ship-to-home

general motohva:

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

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• class: Freight

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