Choosing the right mini split for a 1,000-square-foot home or apartment requires balancing cooling and heating performance, energy efficiency, and user-friendly controls. The following five models from Della cover spaces around 1000 square feet with SEER2 ratings from 17 to 23, 208–230V operation, and smart features such as Alexa compatibility. Each option delivers reliable year‑round comfort while keeping operating costs in check. Use this guide to compare strengths and pick the model that best fits climate, installation needs, and daily lifestyle.
| Product | Brand | BTU | SEER2 | Coverage | Key Feature |
|---|---|---|---|---|---|
| DELLA Motto Series 18000 BTU Mini Split | Della | 18000 | 19 | Up to 1000 Sq Ft | Pre-charged heat pump; Alexa compatible |
| DELLA Econo Series 17000 BTU Mini Split | Della | 17000 | 17 | Up to 1000 Sq Ft | Alexa & WiFi; full installation kit |
| DELLA Vario Series 18000 BTU Wifi Mini Split | Della | 18000 | 19 | Up to 1000 Sq Ft | DC Inverter; robust smart features |
| DELLA Umbra Series 18000 BTU Mini Split | Della | 18000 | 19 | Up to 1000 Sq Ft | R32 refrigerant; smart sensor |
| DELLA Hyper Heat 18,000 BTU Mini Split | Della | 18000 | 23 | Up to 1000 Sq Ft | Hyper Heat down to -13°F; lifetime warranty |
DELLA Motto Series 18000 BTU Mini Split
Energy-efficient cooling and heating define the DELL A Motto Series 18000 BTU mini split. It delivers 18000 BTU/h with a 19 SEER2 rating using 208–230V operation, and it is a pre-charged heat pump with R32 refrigerant for improved environmental performance. The system includes a full installation kit, with a 13 ft copper line set and a drain pipe, and supports smart features such as 4D airflow, I Feel mode, a 24-hour timer, sleep mode, eco energy saving, multiple fan speeds, turbo, and both heating and cooling modes. It is Alexa-enabled via WiFi.
DELLA Econo Series 17000 BTU Mini Split
The DELL A Econo Series 17000 BTU mini split provides efficient cooling for spaces up to 1000 Sq Ft with 208–230V operation and a 17 SEER2 rating. It uses a pre-charged heat pump system with DC Inverter technology to help achieve up to 30% energy savings. Smart functions include 4D airflow, I Feel mode, a 24-hour timer, sleep mode, eco energy saving, and multiple fan speeds, with heating, cooling, and dehumidifying. The unit works in cool temperatures down to about 5°F, and a full 16 ft installation kit is included for easier setup.
DELLA Vario Series 18000 BTU Wifi Mini Split
The DELL A Vario Series 18000 BTU Wifi Mini Split offers 18000 BTU/h cooling with 19 SEER2 and 208–230V supply, enabling efficient year-round comfort for up to 1000 Sq Ft. The system is designed to operate down to -4°F and includes a full installation kit with a 1.5-ton heat pump pre-charged with R-410A. DC Inverter technology ensures up to 30% power savings. Smart features include 4D airflow, I Feel mode, 24-hour timer, sleep mode, eco energy saving, multiple fan speeds, turbo, heating, cooling and dehumidifying, with Alexa compatibility via WiFi.
DELLA Umbra Series 18000 BTU Mini Split
The DELL A Umbra Series 18000 BTU mini split provides cooling and heating for spaces up to 1000 Sq Ft and operates in environments as low as 19°F. It uses R32 refrigerant to improve energy efficiency and indoor air quality. Key smart features include 4D airflow, I Feel mode, a 24-hour timer, sleep mode, eco energy saving, multiple fan speeds, turbo, heating, cooling, and dry modes. Professional installation is recommended; line-set vacuuming is required, and length adjustments may affect refrigerant levels.
DELLA Vario Series 18000 BTU Wifi Mini Split (21 SEER2)
The DELL A Vario Series 18000 BTU Wifi Mini Split with 21 SEER2 delivers strong energy efficiency for spaces up to 1000 Sq Ft. It provides a 18000 BTU/h capacity with a 208–230V supply and a pre-charged heat pump using DC Inverter technology to maximize savings. It can operate in cooler conditions and includes a full installation kit, 1.5-ton capacity, and R-410A refrigerant. Smart features cover 4D airflow, I Feel mode, timer, sleep, eco mode, multiple speeds, turbo, heating, cooling and dehumidifying, plus Alexa compatibility via WiFi.
DELLA Hyper Heat 18,000 BTU Mini Split
DELLA Hyper Heat 18,000 BTU WiFi Mini Split combines high efficiency with robust heating performance. rated at 23 SEER2, it functions down to -13°F and includes a 1.5-ton pre-charged heat pump with a 16.4 ft installation kit. It works with Alexa and offers six modes: cooling, heating, dry, dehumidifying, auto, and fan. The system uses DC Inverter technology for stable comfort and comes with 4D airflow, an eco energy saving option, I Feel mode, timer, and WiFi control via the Della app. ETL listed, AHRI certified, and backed by a lifetime warranty.
Buying Guide
Sizing and Room Layout
Accurate BTU sizing matters more than brand alone. For 1,000 sq ft, most models listed here aim to cover common living areas with moderate ceiling heights. Over-sizing can waste energy and under-sizing reduces comfort. When in doubt, consult a professional to confirm whether a 17–19 SEER2 unit or a higher SEER2 model better matches your climate and insulation quality.
Energy Efficiency and SEER2 Ratings
SEER2 indicates cooling efficiency; higher numbers usually translate to lower operating costs. The options span 17–23 SEER2, with Hyper Heat models offering enhanced performance in cold weather. If you experience long heating seasons or want to reduce energy bills, prioritize models with 21–23 SEER2, provided installation costs fit your budget.
Climate and Operating Temperature
Temperature ranges matter for year-round comfort. Many units operate down to single-digit Fahrenheit temperatures, while some models perform effectively only above about 5°F. If you live in a cold climate, select a model that explicitly supports ultra-low temperatures or negative Fahrenheit operation.
Installation Requirements
All these systems require professional installation for line-set vacuuming and refrigerant checks. Installation kit length varies (commonly 13–16 ft line sets, with 6–8 ft drain lines). Check local regulations and ensure proper clearances, electrical supply (208–230V), and a suitable outdoor unit location. A licensed technician can confirm venting, electrical work, and warranty validity after installation.
Smart Features and Connectivity
Alexa compatibility and WiFi enable remote control and routine scheduling. Look for features like 4D airflow, I Feel mode, timer options, sleep mode, eco settings, and multiple fan speeds. Verify app reliability and ease of integration with existing smart home ecosystems.
Refrigerant Type and Environmental Impact
Most models use R32 refrigerant, which offers lower global warming potential than older refrigerants. R410A is still used in some units, but environmental considerations favor R32. Ensure you understand local refrigerant handling requirements during installation and service.
Warranty and Service
Warranty length and dealer support vary by model and region. The Hyper Heat option notes a lifetime warranty in its specification. Confirm warranty coverage for both parts and labor, and clarify whether professional maintenance is required to keep coverage active.