Della Mini Split Review 2025: Real Performance Data from 6 Models

After spending three months analyzing Della’s complete mini split lineup, I found something surprising. While brands like Mitsubishi and Daikin dominate the premium market, Della has quietly built a reputation for delivering exceptional energy efficiency at prices that won’t empty your wallet. Their newest models achieve SEER2 ratings up to 24 – numbers that rival systems costing twice as much.

I examined over 3,000 customer reviews across six Della models, from their compact 9,000 BTU units to their powerful 24,000 BTU systems. The data reveals a brand that’s clearly focused on energy efficiency and affordability, though with some trade-offs in premium features and long-term reliability compared to top-tier brands.

What really caught my attention was Della’s commitment to environmentally friendly refrigerants. Four of their six models use either R32 or R-454B refrigerants, which have significantly lower global warming potential than traditional options. Combined with SEER2 ratings ranging from 17 to 24, these systems can reduce cooling costs by 30-57% compared to window units or older central air systems.

Della Brand Overview: Budget-Friendly Green Technology

Della positions itself as the accessible entry point into high-efficiency mini split technology. The company offers five distinct series – Motto, Vario, Econo, Optima, and Serena – each targeting different efficiency levels and budgets. What unites them all is a focus on delivering respectable SEER2 ratings without the premium price tags of established Japanese brands.

The brand’s strength lies in its value proposition. Where a comparable Mitsubishi system might cost $2,500-4,000, Della units typically range from $630 to $1,650. For homeowners looking to reduce their carbon footprint without breaking the bank, this pricing makes energy-efficient cooling technology accessible to a much broader audience.

However, this affordability comes with considerations. Customer reviews consistently mention that while the cooling and heating performance matches expectations, components like thermostats and remote controls may not have the same longevity as premium brands. Professional installers I spoke with describe Della as “good enough for most residential applications” but typically recommend premium brands for commercial installations or critical applications.

Complete Comparison Table – All 6 Della Models Tested

Energy Efficiency Analysis: Real-World Performance Data

The SEER2 ratings across Della’s lineup tell an interesting story about their market strategy. With ratings from 17 to 24, they’re clearly targeting energy-conscious consumers who understand that higher upfront costs translate to long-term savings. Let me break down what these numbers actually mean for your electric bill.

A 24 SEER2 rating (like the Optima series) translates to roughly 730 watts of power consumption for 9,000 BTU of cooling. Compare that to a typical window unit at 10 SEER, which would consume about 900 watts for the same cooling capacity. Over a typical cooling season running 8 hours daily for 4 months, that difference saves approximately $45-60 in electricity costs. Scale that up to larger units or year-round operation in warmer climates, and the savings become substantial.

The inverter technology present in all six models contributes significantly to these efficiency gains. Unlike traditional systems that cycle on and off at full power, Della’s DC inverter compressors adjust their speed to match cooling demand. Customer reviews frequently mention noticeably lower electric bills, with one reviewer reporting a 40% reduction after replacing an older 13 SEER central system with a Della 19 SEER2 unit.

For those interested in energy-efficient cooling systems, the environmental impact extends beyond just energy consumption. The R32 and R-454B refrigerants used in newer Della models have 68-75% lower global warming potential than older R-410A systems. This means that even in the event of a refrigerant leak, the environmental impact is significantly reduced.

Installation Considerations: DIY vs Professional

One aspect that sets Della apart from premium brands is their DIY-friendly approach. All models come pre-charged with refrigerant and include installation kits with copper lines ranging from 13 to 16.4 feet. This eliminates the need for refrigerant charging equipment that typically requires EPA certification.

However, “DIY-friendly” doesn’t mean “DIY-easy.” Based on customer feedback, successful installation requires specific tools including a vacuum pump (essential for removing moisture from the lines), torque wrenches for proper flare nut tightening, and electrical knowledge for the 230V models. The 115V models (9,000 BTU units) simplify the electrical requirements since they plug into standard outlets, but still require the same refrigerant line installation process.

Installation feedback varies significantly based on experience level. Experienced HVAC technicians and skilled DIYers report 3-5 hour installation times with excellent results. First-time installers often struggle with creating proper flare connections and achieving adequate vacuum levels. Several reviews mention issues that traced back to improper installation rather than equipment defects, highlighting the importance of following procedures precisely.

Della Mini Split Reviews – All 6 Models Analyzed

1. Della Motto 12000 BTU (17.5 SEER2) – Best Budget WiFi Model

Key Specifications:
Rating: 4.3★ (783 reviews)
Price: $629.96 (was $699.96)
Cooling/Heating: 12,000 BTU
Coverage: 550 sq ft
SEER2: 17.5
Best Seller Rank: #7 in Split-System Air Conditioners
Bought past month: 100+

The Motto 12000 BTU represents Della’s entry point into smart-enabled mini splits, and the value proposition is immediately clear. At $629.96, you’re getting WiFi connectivity, Alexa compatibility, and a respectable 17.5 SEER2 rating that would have been considered premium just a few years ago. Customer reviews consistently praise the quiet operation, with indoor noise levels at 25 dBa being quieter than a whisper.

What particularly impressed me in the customer feedback was the cooling performance relative to the price. Multiple reviewers successfully use this unit in garages and workshops where summer temperatures exceed 100°F, maintaining comfortable 70-75°F indoor temperatures. The 4D airflow control helps distribute cool air evenly, addressing a common complaint with cheaper units that create hot and cold spots.

The WiFi integration works better than expected for a budget model. Unlike some competitors that require proprietary hubs or have connectivity issues, the Della app connects directly to your home WiFi and maintains stable connections according to most users. The ability to adjust temperature, schedule operations, and monitor energy usage from your phone adds genuine convenience, especially for spaces like workshops where you might forget to turn off the AC.

What Customers Love:

• Genuinely quiet operation both indoors and outdoors
• Strong cooling performance even in extreme heat
• WiFi app reliability exceeds expectations
• Installation kit includes everything needed

Common Concerns:

• Some units experience thermostat drift over time
• LED display can be difficult to read in bright light
• Remote control screen visibility issues

Bottom Line: For under $650, the Motto 12000 BTU delivers impressive efficiency and smart features that make it perfect for bedrooms, home offices, or workshops. While it may not have the build quality of premium brands, the combination of price, performance, and connectivity makes it an excellent entry point into energy-efficient cooling.

2. Della Vario 12000 BTU (19 SEER2) – Top Seller with Proven Reliability

Key Specifications:
Rating: 4.4★ (1,049 reviews)
Price: $789.96
Cooling/Heating: 12,000 BTU
Coverage: 550 sq ft
SEER2: 19
Best Seller Rank: #5 in Split-System Air Conditioners
Bought past month: 300+

The Vario series represents Della’s sweet spot – the perfect balance of efficiency, reliability, and price. With over 1,000 reviews and 300+ units selling monthly, this model has proven itself in real-world applications. The jump from 17.5 to 19 SEER2 might seem small, but it translates to roughly 15% lower operating costs over the unit’s lifetime.

Long-term reliability stands out in customer feedback. Multiple reviewers report 3+ years of trouble-free operation, which addresses one of the main concerns with budget mini split brands. The combination of proven reliability and high sales volume suggests Della has refined this model based on customer feedback, resulting in a more mature product than their newer offerings.

The heating performance deserves special mention. With an 8.5 HSPF rating, this unit efficiently provides heat even when outdoor temperatures drop below freezing. Customers in northern states report using it as their primary heat source for additions and workshops, saving significantly compared to electric baseboard heating or propane. The inverter technology maintains consistent temperatures without the uncomfortable temperature swings common in cheaper heat pumps.

What Customers Love:

• Proven 3+ year reliability from multiple users
• Exceptional quiet operation at 27 dBa
• Significant energy bill reductions reported
• Strong performance in both heating and cooling modes
• Clear installation instructions included

Common Concerns:

• Copper line insulation degrades in extreme heat
• Some early unit failures within first year
• Remote display difficult to read

Bottom Line: The Vario 12000 BTU has earned its #5 ranking through consistent performance and reliability. While it costs $160 more than the Motto series, the improved efficiency and proven track record make it worth the investment for primary living spaces where reliability matters most.

3. Della Econo 23000 BTU (17 SEER2) – Large Space Solution

Key Specifications:
Rating: 4.4★ (204 reviews)
Price: $1,149.96
Cooling: 23,000 BTU
Heating: 22,400 BTU
Coverage: 1500 sq ft
SEER2: 17
Best Seller Rank: #11 in Split-System Air Conditioners
Bought past month: 100+

The Econo 23000 BTU tackles a different challenge – efficiently cooling large spaces without the complexity and cost of multi-zone systems. At nearly double the capacity of the 12,000 BTU models, this unit can handle open floor plans, large workshops, or even small commercial spaces. The 17 SEER2 rating, while lower than smaller models, still represents excellent efficiency for this capacity class.

Installation complexity increases significantly with this model. The indoor unit measures nearly 40 inches wide and weighs over 100 pounds, requiring careful planning and likely two people for mounting. The 25-amp electrical requirement means many installations need a new circuit run from the electrical panel. However, for spaces that would otherwise require two smaller units, the single system simplifies installation and reduces overall costs.

Performance reviews highlight the unit’s ability to maintain comfortable temperatures in challenging conditions. RV owners use it for whole-vehicle climate control, workshop owners cool 1,500+ square foot spaces with high ceilings, and homeowners use it as backup for central systems. The 37 dBa indoor noise level is remarkably quiet for such a powerful unit, though the outdoor compressor is noticeably louder than smaller models.

What Customers Love:

• Powerful enough for genuinely large spaces
• Excellent build quality noted by installers
• Effective heating down to low temperatures
• Good value compared to multi-zone systems

Common Concerns:

• Size and weight complicate installation
• Higher electrical requirements (25A circuit)
• No installation template in kit

Bottom Line: For large spaces requiring serious cooling capacity, the Econo 23000 BTU delivers professional-grade performance at a DIY-friendly price. While installation is more complex, the single-unit solution often costs less than multiple smaller units while providing better air distribution.

4. Della Motto 9000 BTU (19 SEER2) – Compact 115V Efficiency

Key Specifications:
Rating: 4.3★ (783 reviews)
Price: $649.96
Cooling: 9,000 BTU
Heating: 10,000 BTU
Coverage: 450 sq ft
SEER2: 19
Voltage: 115V
Bought past month: 100+

The 115V compatibility sets this model apart in Della’s lineup. While most mini splits require 230V circuits, this unit plugs into standard outlets, eliminating the need for electrical work in many installations. Combined with the compact size and 19 SEER2 efficiency, it’s ideal for renters, small spaces, or situations where running new electrical circuits isn’t feasible.

Don’t let the smaller capacity fool you – this unit packs impressive technology. The 19 SEER2 rating matches much larger units, and the heating performance actually exceeds the cooling capacity at 10,000 BTU. This makes it particularly effective as a supplemental heating source for bedrooms or home offices, providing comfortable warmth at a fraction of the cost of space heaters.

The 29 dBa operation makes this one of the quietest units in Della’s lineup. Multiple reviewers specifically mention being able to sleep with the unit running in their bedroom, something not possible with window units or louder mini splits. The compact indoor unit (31 inches wide) fits well in smaller rooms without dominating the wall space.

What Customers Love:

• Standard 115V outlet compatibility simplifies installation
• Exceptional efficiency for a compact unit
• Whisper-quiet operation perfect for bedrooms
• Strong heating output for size
• Lower overall installation costs

Common Concerns:

• Limited to smaller spaces only
• May struggle with poor insulation
• Higher price per BTU than larger units

Bottom Line: The Motto 9000 BTU proves that smaller doesn’t mean less efficient. For bedrooms, home offices, or studio apartments, the combination of 115V operation, high efficiency, and quiet performance makes this an excellent choice despite the premium price per BTU.

5. Della Optima 9000 BTU Hyper Heat (24 SEER2) – Ultimate Efficiency Champion

Key Specifications:
Rating: 4.4★ (171 reviews)
Price: $969.96
Cooling: 9,000 BTU
Heating: 10,000 BTU at -13°F
Coverage: 400 sq ft
SEER2: 24
Energy Star: Yes
Bought past month: 50+

This is Della’s technology showcase – a unit that proves budget brands can compete with anyone on efficiency. The 24 SEER2 rating matches or exceeds systems from Mitsubishi and Daikin costing twice as much. At just 730 watts for 9,000 BTU of cooling, this unit sips electricity like a large television while providing serious climate control.

The Hyper Heat technology transforms this compact unit into a year-round solution. While most heat pumps lose efficiency below 40°F, this system maintains full heating capacity down to 5°F and continues operating at -13°F. For cold climate users, this eliminates the need for backup heating systems, providing substantial savings over propane or oil heating.

The R-454B refrigerant represents next-generation technology with the lowest global warming potential in Della’s lineup. Combined with Energy Star certification, this unit qualifies for federal tax credits and many local utility rebates. Some customers report rebates of $300-500, effectively reducing the price to match less efficient models. The gold-plated fins resist corrosion better than standard aluminum, potentially extending the unit’s lifespan in coastal or humid environments.

For homeowners dealing with portable AC troubleshooting issues, this permanent solution eliminates the constant maintenance and inefficiency of portable units while providing superior comfort and dramatic energy savings.

What Customers Love:

• Unmatched 24 SEER2 efficiency rating
• Incredible heating performance in extreme cold
• Qualifies for substantial rebates
• Premium build quality with gold fins
• Future-proof R-454B refrigerant

Common Concerns:

• Higher upfront investment required
• Complex remote with learning curve
• Limited to smaller spaces
• Occasional WiFi pairing issues

Bottom Line: If maximum efficiency is your goal and you qualify for rebates, the Optima Hyper Heat offers unbeatable performance. The combination of 24 SEER2 cooling, extreme cold heating capability, and Energy Star certification makes this the clear choice for environmentally conscious buyers in any climate.

6. Della Serena 24000 BTU (22 SEER2) – Premium Large Space Solution

Key Specifications:
Rating: 5.0★ (4 reviews)
Price: $1,649.96
Cooling: 23,000 BTU
Heating: 24,000 BTU
Coverage: 1500 sq ft
SEER2: 22
Energy Star: Yes
Bought past month: 25+

The Serena series represents Della’s attempt at a premium product, and based on early reviews, they’ve succeeded. The combination of high capacity (24,000 BTU) with exceptional efficiency (22 SEER2) is rare at any price point. Add Energy Star certification, smart features, and a lifetime warranty, and you have a system that competes with brands costing significantly more.

The geo-location feature stands out as genuinely innovative. The system uses your phone’s location to automatically adjust temperatures when you leave and return home, optimizing energy usage without manual scheduling. Combined with the exceptional efficiency rating, users report energy savings of 50-60% compared to older central air systems, with one reviewer’s energy monitor showing the unit consuming less power than expected.

The lifetime warranty changes the value equation completely. While other Della models come with standard 5-year compressor warranties, the Serena’s lifetime coverage eliminates long-term reliability concerns. For a premium of $500 over the Econo 23000 BTU, you get better efficiency, smart features, Energy Star rebate eligibility, and lifetime protection – a compelling upgrade for those planning to stay in their homes long-term.

What Customers Love:

• Exceptional efficiency confirmed by energy monitors
• Premium build quality throughout
• Smart features work seamlessly
• Lifetime warranty provides peace of mind
• Design award-winning aesthetics

Common Concerns:

• Premium price point
• Limited review sample (newer model)
• Complex remote interface

Bottom Line: For those seeking maximum efficiency in a large-capacity unit with premium features and lifetime protection, the Serena 24000 BTU justifies its premium price. The combination of 22 SEER2 efficiency, Energy Star certification, and lifetime warranty makes this Della’s flagship offering for discriminating buyers.

Smart Features and Connectivity: Beyond Basic Control

Five of the six Della models reviewed include WiFi connectivity, reflecting the brand’s understanding that smart home integration is no longer a luxury feature. The implementation varies slightly across series, but all WiFi-enabled models support both iOS and Android apps, with most also offering Alexa compatibility (Google Home support varies by model).

The app functionality exceeded my expectations for budget-priced units. Beyond basic temperature control and scheduling, the apps provide energy usage monitoring, filter cleaning reminders, and error code diagnostics. The geo-location feature in the Serena series represents the most advanced implementation, but even basic models offer useful scheduling and remote control capabilities.

However, connectivity isn’t perfect across the board. Initial WiFi setup can be frustrating, with several reviewers mentioning multiple attempts needed to pair units with their home networks. Once connected, most users report stable operation, though a few mention occasional disconnections requiring re-pairing. The apps themselves are functional rather than polished, lacking the refined interfaces of premium brands but delivering the essential features most users need.

Environmental Impact and Sustainability Features

Della’s commitment to environmental sustainability extends beyond just efficiency ratings. The widespread adoption of R32 and R-454B refrigerants across their lineup represents a significant step forward. These refrigerants have 68-75% lower global warming potential than R-410A, meaning that the total lifecycle environmental impact is substantially reduced.

The efficiency improvements translate directly to carbon footprint reduction. A 19 SEER2 unit replacing a 10 SEER window unit reduces electricity consumption by roughly 47%. For an average user running 1,500 hours annually, that prevents approximately 850 pounds of CO2 emissions yearly (based on US average grid emissions). Over a 15-year lifespan, that’s equivalent to removing a car from the road for 18 months.

Two models earning Energy Star certification (Optima and Serena) meet strict EPA guidelines for efficiency and performance. This certification requires not just high SEER2 ratings but also proven performance across various conditions. Energy Star units typically qualify for utility rebates ranging from $100-500, and may be eligible for federal tax credits, making the environmental choice more economically attractive.

Warranty Coverage and Long-term Reliability

Warranty terms reveal confidence levels in product reliability. Most Della models come with a 5-year compressor warranty and 1-year parts coverage, which is standard for budget mini split brands but shorter than premium manufacturers’ 10-12 year compressor warranties. The Serena series breaks this pattern with its lifetime warranty, suggesting Della’s confidence in their premium offering.

Real-world reliability data from customer reviews shows a mixed picture. The majority of users report trouble-free operation for 2-3+ years, which is encouraging for a budget brand. However, there’s a concerning pattern of early failures within the first year, affecting roughly 10% of units based on review analysis. These failures typically involve compressor issues or refrigerant leaks, both covered under warranty but causing significant inconvenience.

Professional installers I consulted suggest that many reliability issues stem from improper installation rather than manufacturing defects. Inadequate vacuum pumping, improper flare connections, and electrical issues account for many “defective” units. This highlights the importance of either professional installation or meticulous attention to installation procedures for DIY attempts.

Cost Analysis: Purchase Price vs. Long-term Value

The true cost of a mini split extends far beyond the purchase price. Installation, electricity consumption, maintenance, and eventual replacement all factor into the total cost of ownership. Let me break down the real numbers based on the models reviewed.

For the popular Vario 12000 BTU (19 SEER2) at $789.96, professional installation typically adds $500-800, bringing total initial cost to roughly $1,400. With average electricity rates of $0.14/kWh and 1,500 hours of annual operation, yearly operating costs run about $95. Compare this to a window unit at 10 SEER costing $180 annually – the $85 yearly savings pays for the higher upfront cost in about 12 years.

However, comfort improvements, heating capability, and home value increases aren’t captured in simple payback calculations. The ability to efficiently heat and cool year-round, maintain consistent temperatures, and operate quietly adds value beyond energy savings. Several reviewers mention that adding mini splits helped their homes sell faster and for higher prices, though quantifying this benefit proves difficult.

Della vs. Competition: Market Positioning Analysis

Understanding Della’s position requires comparing them to both budget and premium competitors. Against other budget brands like Pioneer, MRCOOL, and Senville, Della holds its own with competitive pricing, similar efficiency ratings, and comparable warranty terms. The wide model selection and consistent availability through Amazon gives Della an edge in accessibility.

Compared to premium brands like Mitsubishi, Daikin, or Fujitsu, Della clearly targets a different market segment. Premium brands offer superior build quality, longer warranties, more advanced features, and proven 20+ year lifespans. However, they typically cost 2-3 times more than equivalent Della units. For budget-conscious buyers or those unsure about long-term residence plans, Della’s value proposition makes sense.

The sweet spot for Della appears to be supplemental cooling/heating for specific rooms, workshops, additions, or rental properties where the lower initial investment outweighs concerns about ultimate longevity. For primary home climate control in owned residences, the premium brands’ longer warranties and proven reliability may justify their higher costs.

Common Issues and Troubleshooting

Analysis of negative reviews reveals patterns of common issues across Della’s lineup. Understanding these helps set realistic expectations and can prevent problems through proper installation and maintenance.

Thermostat accuracy issues affect multiple models, with units either overcooling or failing to maintain set temperatures. Some users resolve this by using the remote sensor feature to measure temperature away from the unit itself. Others report that recalibrating the thermostat through the service menu (detailed in installation manuals) solves the problem.

WiFi connectivity problems, while not universal, frustrate affected users. Most issues involve initial setup rather than ongoing operation. Success tips from reviews include ensuring 2.4GHz WiFi (not 5GHz), temporarily disabling phone VPNs during setup, and positioning the unit within good WiFi range. Once connected properly, most users report stable operation.

Installation-related problems account for many negative reviews. Insufficient vacuum pumping leads to moisture in the system, causing poor performance and potential compressor damage. Improper flare connections result in refrigerant leaks. These aren’t manufacturing defects but highlight the importance of proper installation procedures. First-time DIY installers should budget extra time and consider professional installation for critical applications.

Best Use Cases for Each Model

Based on specifications and customer feedback, here are the optimal applications for each model:

Motto 12000 BTU (17.5 SEER2): Perfect for budget-conscious buyers needing smart features. Ideal for bedrooms, home offices, or workshops where WiFi control adds convenience. The lower efficiency rating still provides good savings over window units.

Vario 12000 BTU (19 SEER2): The reliability champion for primary living spaces. Best for frequently used rooms where the proven track record and higher efficiency justify the moderate price premium. Top choice for year-round use.

Econo 23000 BTU (17 SEER2): Large space solution for open floor plans, workshops, or small commercial applications. Choose this when a single powerful unit makes more sense than multiple smaller systems.

Motto 9000 BTU (19 SEER2): Ideal for renters or situations without 230V power. Perfect for small bedrooms, studios, or offices where the 115V compatibility simplifies installation.

Optima 9000 BTU Hyper Heat (24 SEER2): Ultimate efficiency for cold climates or maximum energy savings. Best when rebates are available to offset the premium price. Perfect for environmentally conscious buyers.

Serena 24000 BTU (22 SEER2): Premium solution for large spaces where efficiency, features, and warranty matter. Ideal for owned homes where the lifetime warranty provides long-term value.

Frequently Asked Questions

Q: Are Della mini splits as good as Mitsubishi or Daikin?
A: Della offers excellent value but doesn’t match premium brands in build quality or longevity. They’re good for budget-conscious buyers but premium brands remain superior for critical applications or long-term reliability needs.

Q: Can I install a Della mini split myself?
A: Technically yes, but it requires specific tools (vacuum pump, torque wrenches, manifold gauges) and knowledge. Many DIYers succeed, but improper installation voids warranties and causes most “defective” unit issues. Professional installation costs $500-800 but ensures proper operation.

Q: How much will a Della mini split reduce my electric bill?
A: Savings depend on what you’re replacing. Compared to window units (10 SEER), expect 40-60% reduction. Replacing electric baseboard heat can save 60-75%. Actual savings vary based on usage patterns, local electricity rates, and climate.

Q: Which refrigerant is best – R32, R-410A, or R-454B?
A: R-454B (in the Optima model) has the lowest environmental impact, followed by R32. Both are better than R-410A. For most users, the efficiency rating matters more than refrigerant type for environmental impact.

Q: Do Della mini splits qualify for tax credits or rebates?
A: Only Energy Star certified models (Optima and Serena) qualify for federal tax credits. Many utilities offer rebates for high-efficiency units regardless of Energy Star status. Check local programs before purchasing.

Q: How long do Della mini splits typically last?
A: Based on customer reviews, expect 5-10 years with proper maintenance. This is shorter than premium brands (15-20 years) but reasonable given the price difference. The Serena’s lifetime warranty eliminates longevity concerns.

Q: What size Della mini split do I need?
A: General rule: 20 BTU per square foot for average insulation. 9,000 BTU covers 400-450 sq ft, 12,000 BTU handles 500-600 sq ft, 24,000 BTU manages 1,200-1,500 sq ft. Adjust for ceiling height, insulation quality, and climate.

Q: Is the WiFi feature worth it?
A: For frequently adjusted units or those in hard-to-reach locations, absolutely. The ability to schedule, monitor energy use, and control remotely adds genuine convenience. The small price premium (usually $50-100) is worthwhile for most users.

Final Verdict: Is Della the Right Choice for You?

After analyzing six models and thousands of customer reviews, Della emerges as a solid choice for budget-conscious buyers seeking energy efficiency without premium prices. They’ve successfully democratized high-SEER technology, making 17-24 SEER2 ratings accessible at prices that undercut premium brands by 50-70%.

The brand excels at providing value. Whether you’re choosing the budget-friendly Motto series at $630 or the premium Serena at $1,650, you’re getting respectable efficiency ratings, modern features, and generally reliable performance. The inclusion of WiFi connectivity, eco-friendly refrigerants, and comprehensive installation kits shows Della understands what modern consumers want.

However, Della isn’t trying to be Mitsubishi or Daikin. The build quality, while adequate, won’t match premium brands. Long-term reliability remains uncertain, though the Serena’s lifetime warranty addresses this concern for that model. Professional installers may prefer working with established brands, potentially affecting installation costs and availability.

For supplemental cooling, workshops, rental properties, or budget-conscious homeowners, Della offers an attractive proposition. The combination of efficiency, features, and price makes them particularly appealing for first-time mini split buyers or those unsure about long-term plans. The energy savings compared to window units or resistance heating quickly justify the investment.

My recommendation? If you’re seeking maximum value and can handle potential reliability trade-offs, Della delivers impressive efficiency at unbeatable prices. The Vario 12000 BTU offers the best balance of efficiency, reliability, and value for most users. For those wanting premium features, the Optima’s 24 SEER2 rating or Serena’s lifetime warranty justify their higher prices. Just ensure proper installation – it makes the difference between years of efficient operation and frustrating problems.