Della Omi Spark 21 Review: Specs, Pros and Cons
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
This della omi spark 21 review covers the Della Omi Spark 21,000 BTU Inverter Heat Pump. It is a pool heating and cooling unit designed for pools up to 7,000 gallons. The device uses a full DC inverter compressor to adjust output based on ambient conditions. This technology helps maintain stable temperatures while reducing energy waste. It operates in both heating and cooling modes, allowing you to warm water to 104°F or cool it to 47°F. The unit includes built-in WiFi for remote control via a smartphone app or voice assistants. Its compact size fits easily in most residential outdoor spaces.
What stands out
- Full DC Inverter compressor technology for adjustable output and energy efficiency
- Dual heating and cooling modes with a temperature range of 47°F to 104°F
- Operates reliably in ambient temperatures as low as 41°F
- Quiet operation at 48 dB(A) for residential comfort
- Built-in WiFi with Alexa and Google Home compatibility for remote control
Who it fits
Good fit for
This heat pump suits owners of above-ground, inflatable, or portable pools up to 7,000 gallons. It is ideal for those who want to extend their swim season into cooler months or cool water during summer heat. The quiet 48 dB(A) operation makes it suitable for homes near neighbors or patios. Users who prefer remote management will appreciate the WiFi connectivity and app control. It also works with both chlorinated and saltwater pools, offering flexibility for various water chemistries.
Who should skip it
You should look at another option if you have a large in-ground pool exceeding 7,000 gallons. The specifications list a maximum capacity of 7,000 gallons for covered pools, so larger volumes may not reach target temperatures efficiently. If you need a unit that operates below 41°F ambient temperature, this model may not perform reliably. Additionally, if you prefer manual control without smartphone integration, the reliance on the DELLA App and WiFi features might be unnecessary complexity for your needs.
Verdict: The Della Omi Spark 21,000 BTU Inverter Heat Pump offers efficient heating and cooling for smaller pools with quiet, smart operation. It is a practical choice for extending swim seasons in moderate climates.
Key specs explained
Heating Capacity: 21,000 BTU
This rating indicates the thermal energy the unit adds to your water each hour. You need this power to raise the temperature of your pool against heat loss. A higher BTU count allows faster warming, which is useful if you want to reach your desired temperature quickly. It ensures the heater can handle the volume of water in your specific pool size without struggling to maintain the set point.
COP Rating: 4.02 at 50°F, 4.97 at 80.6°F
The Coefficient of Performance measures efficiency by comparing electricity used to heat produced. A COP above 1 means you get more heat energy than electrical energy consumed. Higher COP values at warmer ambient temperatures show peak efficiency. This spec helps you estimate operating costs. You can compare this efficiency against traditional gas heaters, which typically have lower efficiency ratios, to understand potential energy savings over time.
Pool Capacity: 7,000 gallons
This figure tells you the maximum water volume the heater is designed to manage effectively. You should match this capacity to your pool size to ensure proper performance. If your pool exceeds this limit, the heater may struggle to maintain temperature. This spec is crucial for above-ground, inflatable, and portable pools. Always check your actual water volume against this number to avoid underheating or inefficient operation.
Compressor Technology: Full DC Inverter
Inverter technology allows the compressor to adjust its speed rather than cycling on and off. This results in steadier temperatures and reduced energy waste. You benefit from smoother operation and lower noise levels. This tech also helps maintain performance in varying weather conditions. When shopping for hot tubs and spas, look for inverter models to ensure consistent heating without the energy spikes associated with traditional fixed-speed compressors.
Connectivity: WiFi, Alexa, Google Home
Built-in WiFi enables remote control via a smartphone app or voice assistants. You can adjust settings, check temperatures, and schedule operations from anywhere. This convenience allows you to manage your pool climate without visiting the unit. Integration with smart home platforms adds flexibility to your routine. This feature is ideal for users who want precise control over their heating and cooling cycles without manual adjustments at the device.
Design and Build Quality
The Della Omi Spark heat pump features a compact, cube-like footprint. According to the listing, the base model measures 17.91 inches wide, 17.91 inches deep, and 18.30 inches high. This small footprint allows you to place the unit in tight poolside spaces without sacrificing airflow. The exterior is finished in white, which helps it blend into most residential outdoor environments. The unit weighs a moderate amount for its size, making it stable during operation but easy to reposition if you adjust your pool layout.
The internal construction centers on a titanium heat exchanger. This material choice is critical for durability. Titanium resists corrosion from both traditional chlorinated water and saltwater pools. This means you do not need to worry about the heating core degrading over time due to chemical balance fluctuations. The compressor utilizes full DC inverter technology. This design allows the fan and pump to adjust speed continuously rather than cycling on and off. The result is a smoother operation with less mechanical stress on the components.
Control interfaces are integrated directly into the unit’s casing. You can access heating, cooling, auto, boost, and eco modes through the built-in panel. The listing also notes built-in WiFi connectivity. This allows you to monitor the device health and adjust settings remotely via the DELLA App. The unit carries an IPX4 waterproof rating. This means it is protected against water splashes from any direction, making it suitable for open outdoor installation without additional weatherproofing covers.
Setup and everyday use details
The Della Omi Spark requires placement in an outdoor setting with adequate airflow. The listing specifies recommended clearances for optimal performance, ensuring the unit draws sufficient ambient air. Its compact dimensions, measuring 17.91 inches wide, 17.91 inches deep, and 18.30 inches high, allow it to fit into most poolside areas without dominating the space. The unit carries an IPX4 waterproof rating, which means it can handle water splashes from any direction, making it suitable for outdoor installation near pools or spas.
For daily operation, the device connects to your home WiFi network. This connectivity enables control via the DELLA App on your mobile device. You can manage the heat pump remotely, adjusting settings without needing to access the physical unit on site. The system also integrates with voice assistants like Alexa and Google Home. This allows you to issue simple voice commands to change modes or check status.
Daily use involves selecting from five operational modes: Heating, Cooling, Auto, Boost, and ECO. You can set custom schedules to maintain specific water temperatures. The unit supports intelligent defrost cycles, which you can monitor and activate remotely. It is designed to work with both traditional chlorinated and saltwater pools. The full DC inverter technology adjusts output automatically to maintain stable temperatures, reducing energy waste. You can monitor device health and water temperatures directly through the app interface.
Before You Buy This Heat Pump
Before you buy, verify your pool volume matches the stated capacity of 7,000 gallons with a cover, or 4,700 gallons without one. This unit handles both chlorinated and saltwater systems, but you must confirm your existing filtration flow rate supports the heat pump’s requirements. The device connects via WiFi, so ensure your outdoor network is stable for app control and remote scheduling. You will need to clear space around the unit for airflow, as restricted vents reduce efficiency. Unlike standard inflatable hot tub jets, this is a dedicated climate controller. It does not replace your primary circulation pump but works alongside it. Regularly clean the air intake filter to maintain the stated 4.02 COP rating. Check local electrical circuits to ensure they handle the inverter’s load. This accessory fits best as a secondary upgrade for extended swimming seasons rather than a standalone heater for small, uncovered portable tubs.
Check before you buy
- Confirm pool volume is under 7,000 gallons with a cover
- Verify WiFi signal strength at the outdoor installation site
- Check electrical circuit capacity for the inverter compressor load
- Ensure clearance space around the unit for proper airflow
The product at a glance
Della Omi Spark 21,000 BTU Inverter Heat Pump
Best for: energy-efficient pool temperature management
- Heating Capacity
- 21,000 BTU
- Pool Capacity
- Up to 7,000 Gallons
- Voltage
- 110-120V
- Compressor Technology
- DC Inverter
- Operational Modes
- Heating & Cooling
- COP Rating
- 4.02 at 50°F, 4.97 at 80.6°F
View on Amazon: Della Omi Spark 21,000 BTU Inverter Heat Pump Affiliate link
The Della Omi Spark is a pool heat pump designed for pools up to 7,000 gallons. It delivers 21,000 BTU of heating and cooling power using full DC inverter technology. The unit operates efficiently with COP ratings of 4.02 at 50°F and 4.97 at 80.6°F. You can control it remotely via WiFi, Alexa, or Google Home. Its compact 17.9-inch footprint and 48 dB(A) noise level make it suitable for residential use.
Pros
- Full DC inverter technology for energy savings
- Dual heating and cooling modes up to 104°F
- WiFi connectivity with Alexa and Google Home support
- Quiet operation at 48 dB(A)
Cons
- Requires 24/7 unobstructed airflow for optimal performance
- Limited to pools under 7,000 gallons capacity
- Higher upfront complexity than simple gas heaters
Good fit if
- You want to extend your swimming season into cooler weather
- You need precise temperature control via a smartphone app
- You prioritize energy efficiency over raw heating speed
Skip if
- You have a pool larger than 7,000 gallons
- You need immediate high-heat output in freezing temperatures
- You lack the space for the required unit clearances
Verdict: The Della Omi Spark 21,000 BTU Heat Pump offers efficient dual heating and cooling for pools up to 7,000 gallons. It is best for owners who want smart, quiet, and energy-conscious temperature management.
Specifications side by side
| Spec | Della Omi Spark 21,000 BTU Inverter Heat Pump |
|---|---|
| Heating Capacity | 21,000 BTU |
| Pool Capacity | Up to 7,000 Gallons |
| Voltage | 110-120V |
| Compressor Technology | DC Inverter |
| Operational Modes | Heating & Cooling |
| COP Rating | 4.02 at 50°F, 4.97 at 80.6°F |
| Use | Poolside, Above Ground Pools |
| Dimensions | 17.9 × 17.9 × 18.3 inches |
| Weight | 59.5 pounds |
| Size | 17.91"W x 17.91"D x 18.30"H |
| Color | White |
| Model | PH-021-1V-S |
Frequently asked questions
Is the Della Omi Spark 21,000 BTU Inverter Heat Pump suitable for cooling?
Yes, this unit provides dual heating and cooling capabilities. It uses a full DC inverter compressor to adjust output based on ambient conditions. This allows you to maintain your desired water temperature year-round, keeping your pool comfortable whether you need to warm up or cool down the water.
What is the physical footprint of the Della Omi Spark heat pump?
The unit features a compact, cube-like design. It measures approximately 17.91 inches in width and depth, with a height of 18.30 inches. This small footprint allows you to place the device in tight poolside areas or corners where space is limited, ensuring it does not dominate your outdoor layout.
Can I use this heat pump with a saltwater pool?
Yes, the Della Omi Spark handles both chlorinated and saltwater systems. You must still confirm that your existing filtration flow rate supports the heat pump’s requirements. This compatibility ensures you can integrate the unit into your current pool chemistry setup without needing to change your water treatment method.
How large of a pool can this unit effectively heat?
This heat pump is designed for pools up to 7,000 gallons. If you use a pool cover, you can manage the larger volume. Without a cover, the effective capacity drops to 4,700 gallons. You should verify your pool volume matches these stated limits for optimal performance and energy efficiency.
What does the 21,000 BTU rating mean for my pool?
This rating indicates the thermal energy the unit adds to your water each hour. A higher BTU count allows for faster warming, which is useful when raising temperatures quickly. You need this power to overcome heat loss, ensuring your pool reaches your desired comfort level in a reasonable timeframe.
Does the Della Omi Spark operate quietly?
The device is designed for quiet operation, making it suitable for residential poolside use. It utilizes a full DC inverter compressor that adjusts output based on ambient conditions. This technology helps minimize noise while maintaining efficient temperature management, allowing you to enjoy your pool without disruptive mechanical sounds.