Della mini split air conditioning systems have gained popularity as cost-effective alternatives to traditional HVAC systems. These ductless units offer flexible heating and cooling solutions for homes and businesses without extensive ductwork. Della positions itself as a budget-friendly option in the competitive mini split market, offering various BTU capacities and configurations to suit different space requirements. This review examines Della mini splits’ performance, specifications, reliability, and value proposition to help potential buyers make informed decisions about whether these systems meet their climate control needs.
Della is a home appliance brand that specializes in offering affordable climate control solutions, including mini split systems, portable air conditioners, and other home comfort products. The company focuses on providing budget-conscious consumers with practical alternatives to premium-priced brands.
Della products are manufactured in China and distributed in North America through various retailers and e-commerce platforms. While not as established as industry giants like Mitsubishi, Daikin, or Fujitsu, Della has carved out a market niche by offering competitive pricing on entry-level mini split systems.
The brand prioritizes accessibility over premium features, making their products particularly appealing to DIY homeowners looking for cost-effective solutions. Della typically offers 1-3 year limited warranties on their mini split systems, which is shorter than the coverage provided by premium brands.
Della Mini Split Product Line Overview
Della offers a variety of mini split configurations to accommodate different cooling and heating needs. Their product line includes single-zone systems (one outdoor unit connected to one indoor unit) and multi-zone systems (one outdoor unit connected to multiple indoor units).
The BTU ratings for Della mini splits typically range from 9,000 to 36,000 BTU, suitable for spaces ranging from small bedrooms to large open-concept areas. Most Della models feature inverter technology, which modulates compressor speed for improved efficiency compared to conventional air conditioners.
| Model Type | BTU Range | Recommended Room Size | SEER Rating |
|---|---|---|---|
| Single Zone (9K) | 9,000 BTU | 300-450 sq. ft. | 16-19 |
| Single Zone (12K) | 12,000 BTU | 450-550 sq. ft. | 16-19 |
| Single Zone (18K) | 18,000 BTU | 700-1,000 sq. ft. | 16-18 |
| Single Zone (24K) | 24,000 BTU | 1,000-1,400 sq. ft. | 16-18 |
| Multi-Zone | Up to 36,000 BTU | Multiple rooms (varies) | 16-17 |
Della mini splits come with both cooling and heating capabilities, making them suitable for year-round climate control. Their indoor units are primarily wall-mounted, though some ceiling cassette and floor-standing options are available in certain models.
Key Features of Della Mini Split Systems
Inverter compressor technology stands out as a significant feature in Della mini splits, allowing the systems to operate more efficiently by adjusting compressor speed rather than cycling on and off completely. This provides more consistent temperature control and improved energy efficiency.
Most Della models include standard features such as remote controls, programmable timers, and multiple fan speeds. Many units also offer sleep mode, which gradually adjusts temperature during nighttime hours for improved comfort and energy savings.
Automated air swing functionality helps distribute conditioned air more evenly throughout the space. The multi-stage filtration systems in Della units help remove airborne particles, though they’re not as advanced as the filtration in premium-brand systems.
- Self-diagnosis functions for easier troubleshooting
- Low ambient cooling allowing operation in outdoor temperatures as low as 5°F (-15°C)
- Follow-me temperature sensing in the remote control
- Auto-restart functionality after power outages
- Quiet operation (as low as 26dB on some models)
- Gold fin condenser coating for improved durability
WiFi connectivity is available on select Della models, allowing users to control their systems remotely via smartphone apps. However, the connectivity features are typically more basic than those found in premium brands, with occasional reliability issues reported by users.
Performance and Efficiency Ratings
Della mini splits generally offer respectable efficiency ratings, with SEER (Seasonal Energy Efficiency Ratio) ratings typically ranging from 16 to 19 for most models. These efficiency ratings are competitive for budget systems but fall short of the 20+ SEER ratings offered by premium brands.
For heating performance, Della units typically achieve HSPF (Heating Seasonal Performance Factor) ratings between 8.5 and 10. They can provide effective heating in moderate climates but may struggle in extreme cold weather conditions below 5°F (-15°C).
Real-world performance reviews indicate that Della mini splits generally deliver satisfactory cooling capabilities, particularly in smaller spaces. Users report that the systems can reach desired temperatures relatively quickly in appropriate-sized rooms.
| Performance Metric | Della Rating | Industry Average | Premium Brands |
|---|---|---|---|
| SEER Rating | 16-19 | 15-18 | 20-30+ |
| HSPF Rating | 8.5-10 | 8.5-10 | 10-13 |
| Cooling Temperature Range | 5°F to 115°F | 0°F to 115°F | -22°F to 115°F |
| Heating Temperature Range | 5°F to 75°F | 0°F to 75°F | -13°F to 75°F |
| Operating Noise Level (Indoor) | 26-42 dB | 25-40 dB | 19-35 dB |
Sound levels for Della indoor units range from approximately 26dB on low settings to 42dB on high settings. These noise levels are comparable to other budget and mid-range brands but are typically louder than premium systems, particularly at higher fan speeds.
Installation and Maintenance Requirements
Della markets many of their mini split systems as DIY-friendly, with pre-charged refrigerant lines and relatively simple mounting hardware. However, proper installation still requires specialized knowledge of electrical systems, refrigerant handling, and structural considerations.
A typical Della mini split installation requires:
- Mounting the indoor air handler(s) on an interior wall
- Installing the outdoor condenser unit on a level surface
- Creating a small hole (approximately 3″) through the exterior wall for refrigerant lines
- Connecting refrigerant lines between indoor and outdoor units
- Establishing proper drainage for condensate
- Connecting electrical wiring
- Pressure testing and system startup
While DIY installation can save on labor costs, improper installation is a leading cause of performance issues and premature system failure. Professional installation is strongly recommended despite the higher upfront cost, as it typically ensures proper operation and maintains warranty coverage.
For maintenance, Della mini splits require regular filter cleaning (every 2-4 weeks during heavy use), annual professional inspections, and periodic cleaning of condenser and evaporator coils. Properly maintained systems typically last 10-15 years, though this may be shorter than the 15-20 year lifespan of premium brands.
Cost Analysis and Value Proposition
Initial Purchase Cost
Della mini splits are positioned as budget-friendly alternatives to more established brands. Single-zone systems typically range from $700-$1,200, significantly less than the $1,500-$3,000 price tag for comparable units from premium manufacturers.
| System Type | Della Price Range | Mid-Range Brands | Premium Brands |
|---|---|---|---|
| 9K BTU Single Zone | $700-$900 | $900-$1,300 | $1,500-$2,200 |
| 12K BTU Single Zone | $800-$1,000 | $1,000-$1,500 | $1,700-$2,500 |
| 18K BTU Single Zone | $950-$1,200 | $1,200-$1,800 | $2,000-$2,800 |
| 24K BTU Single Zone | $1,100-$1,400 | $1,400-$2,000 | $2,300-$3,200 |
| Dual Zone (18K BTU) | $1,300-$1,700 | $1,700-$2,400 | $2,800-$4,000 |
Installation Costs
Professional installation costs for Della mini splits typically range from $800-$1,500 for single-zone systems, depending on installation complexity and local labor rates. While DIY installation is possible, it may void warranty coverage and presents various technical challenges.
Additional installation expenses may include:
- Electrical upgrades if existing circuits cannot support the system ($200-$500)
- Line set extensions for longer runs ($50-$150)
- Condensate pump for proper drainage ($100-$200)
- Wall brackets for outdoor unit mounting ($50-$150)
- Permits and inspections ($50-$200, varies by location)
Operating Costs and Energy Efficiency
The moderate SEER ratings of Della systems translate to respectable energy efficiency, particularly compared to older central air systems or window units. A 12,000 BTU Della mini split with SEER 17 rating might consume approximately 700-800 kWh per cooling season in a moderate climate.
At the national average electricity rate of about $0.14/kWh, this represents a seasonal operating cost of $98-$112 for cooling. Heating costs vary more significantly based on climate, but the heat pump function generally provides efficient heating in mild to moderate winter conditions.
Long-term value must account for the typically shorter lifespan and warranty period of Della units compared to premium brands. While initial costs are lower, some users report needing replacement after 7-10 years versus 15+ years for higher-end systems.
Pros and Cons of Della Mini Splits
Based on customer reviews and technical specifications, here are the key advantages and disadvantages of choosing Della mini split systems:
| Pros | Cons |
|---|---|
| Significantly lower purchase price than premium brands | Shorter warranty period (typically 1-3 years) |
| Respectable energy efficiency (16-19 SEER) | Less reliable customer support reported by users |
| DIY-friendly designs with pre-charged line sets | May have shorter operational lifespan than premium systems |
| Standard features like remote control, timers, and auto modes | Limited cold-weather performance below 5°F |
| Reasonable noise levels comparable to other budget options | Fewer advanced features than mid-range and premium alternatives |
| Wide availability through online retailers | Parts availability may be limited for repairs |
| Suitable performance for appropriately sized spaces | Some users report quality control inconsistencies |
Comparison with Competing Brands
When evaluating Della mini splits against competitors, it’s important to consider how they stack up against both budget-friendly alternatives and premium options.
Compared to other budget brands like Pioneer, Senville, and MRCOOL, Della offers similar price points and feature sets. Pioneer and Senville typically offer slightly better warranty coverage (3-5 years versus Della’s 1-3 years) and more consistent customer support according to user reviews.
MRCOOL’s DIY series is priced slightly higher than comparable Della models but offers more user-friendly installation features and typically more reliable WiFi connectivity. However, Della’s lower entry price point still makes it attractive to extremely budget-conscious consumers.
| Brand Comparison | Della | Pioneer | MRCOOL | Mitsubishi/Daikin |
|---|---|---|---|---|
| Price Range (12K BTU) | $800-$1,000 | $850-$1,100 | $1,100-$1,400 | $1,700-$2,500 |
| Warranty | 1-3 years limited | 5 years compressor, 2 years parts | 7 years compressor, 5 years parts | 10-12 years with registration |
| Typical SEER Rating | 16-19 | 17-20 | 17-20 | 20-30+ |
| Cold Weather Operation | Down to 5°F | Down to 0°F | Down to -5°F | Down to -13°F or lower |
| Customer Support | Limited | Moderate | Good | Excellent |
| DIY-Friendliness | Moderate | Moderate | High | Low (professional installation required) |
Against premium brands like Mitsubishi, Daikin, and Fujitsu, Della offers significant initial cost savings but falls short in durability, performance in extreme temperatures, warranty coverage, and advanced features. Premium systems typically offer better humidity control, more precise temperature maintenance, and operation in much colder temperatures.
Customer Reviews and Satisfaction
Customer feedback on Della mini splits reveals mixed but generally favorable reviews, with most systems receiving 3.5-4 star ratings across major online retailers. Positive reviews consistently highlight the affordable price point and satisfactory cooling performance when properly sized for the space.
Common themes in positive reviews include:
- Effective cooling and heating in appropriately sized rooms
- Straightforward installation for those with basic DIY skills
- Good value for the price compared to central air conditioning
- Quieter operation than window units
- Acceptable energy efficiency and lower utility bills
Negative reviews tend to focus on:
- Difficulty obtaining warranty service or replacement parts
- Units failing after 2-4 years of operation
- Inconsistent WiFi connectivity on models with this feature
- Poor heating performance in temperatures below 20°F
- Occasional quality control issues (arrival with dents or leaking refrigerant)
Overall satisfaction appears highest among users who had realistic expectations about the budget-friendly nature of the product and those who ensured professional installation despite the DIY marketing.
Best Della Mini Split Models to Consider
Based on customer reviews and specifications, several Della models stand out as particularly good values:
Della 12,000 BTU Mini Split (16 SEER)
This single-zone system offers an excellent balance of affordability and performance for spaces around 450-550 square feet. Priced typically under $900, it features heating and cooling functionality, sleep mode, and self-diagnosis capabilities. Customer reviews consistently rate this model highly for reliable performance in bedrooms and medium-sized living areas.
Della 18,000 BTU Ductless System with WiFi
For larger spaces around 700-1,000 square feet, this model delivers effective cooling and heating with the added convenience of smartphone control. The WiFi functionality, while occasionally reported as finicky to set up, allows for temperature adjustments when away from home. At around $1,100, it represents good value for cooling larger living rooms or open-concept spaces.
Della Multi-Zone 27,000 BTU System
For users looking to cool multiple rooms, this dual-zone system connects one outdoor unit to two indoor air handlers. This configuration offers installation cost savings compared to two separate systems while providing individualized comfort control in different spaces. Though more expensive upfront (around $1,600), it offers good value for cooling multiple bedrooms or a bedroom and living area combination.
For any Della mini split purchase, factors to consider include properly sizing the system for your space (a common issue in negative reviews is purchasing undersized units), ensuring you have access to qualified installers, and understanding the warranty limitations compared to premium brands.