ROVSUN vs Rellytech: Mini Splits Compared by Specs
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
This ROVSUN vs rellytech mini split comparison looks at two distinct options for home comfort. Both units are heat pumps designed for year-round use. The main difference lies in their scale. The ROVSUN model is a compact 9,000 BTU system for small rooms. The Rellytech unit is a powerful 18,000 BTU system for larger spaces. You need to choose based on your square footage and electrical setup.
Key differences
| Aspect | ROVSUN 9000 BTU 20 SEER2 Mini Split | Rellytech 18000 BTU 230V Mini Split |
|---|---|---|
| Cooling Capacity | 9,000 BTU | 18,000 BTU |
| Voltage | 115V | 208-230V |
| Coverage Area | Up to 400 sq.ft. | Up to 1,250 sq. ft. |
| Smart Control | Wi-Fi, App, Alexa, Google Assistant | Not listed |
| Efficiency Rating | 20 SEER2 | 19 SEER2 |
Which one should you choose?
Choose ROVSUN 9000 BTU 20 SEER2 Mini Split if
- You need cooling for a small room under 400 sq.ft.
- Your home only has a standard 115V outlet available.
- You want built-in Wi-Fi and voice assistant support.
Choose Rellytech 18000 BTU 230V Mini Split if
- You need to cool a large area up to 1,250 sq.ft.
- You have a 208-230V circuit installed for the unit.
- You prefer a higher heating capacity of 18,400 BTU.
Verdict: Choose the ROVSUN for small rooms or spaces with limited electrical options. It offers smart features and a higher SEER2 rating for efficiency. Pick the Rellytech if you need to condition a large open area and have the proper high-voltage wiring installed.
ROVSUN vs Rellytech Mini Split Specs
Coverage Area
The ROVSUN 9000 BTU unit is designed for small spaces, covering up to 400 square feet. This makes it suitable for bedrooms, home offices, or small living areas where precise climate control is needed without overcooling the room. In contrast, the Rellytech 18000 BTU model handles significantly larger areas, up to 1,250 square feet. It is built for open-plan living rooms, large basements, or commercial garages. If you need to condition a single small room, the ROVSUN is the better fit. For larger, open-concept spaces, the Rellytech provides the necessary cooling capacity to maintain comfort throughout the entire area.
Voltage
Electrical requirements differ significantly between these two systems. The ROVSUN operates on a standard 115V circuit, which is common in most residential homes. This allows for easier installation in existing outlets without requiring major electrical upgrades. The Rellytech, however, requires a 208-230V circuit. This higher voltage is typical for larger HVAC units and may necessitate a dedicated circuit or electrical panel work if your home does not already have the appropriate wiring. If your home only has standard 115V outlets, the ROVSUN is the more practical choice. If you have 230V wiring available, the Rellytech is ready to connect.
Efficiency Rating
Both units prioritize energy efficiency, but they use slightly different metrics in their specifications. The ROVSUN boasts a 20 SEER2 rating, with a secondary listing of 19 SEER. This higher SEER2 number suggests superior energy efficiency under current testing standards. The Rellytech is rated at 19 SEER2. While both are efficient, the ROVSUN holds a slight edge in its primary efficiency metric. Both units utilize inverter technology to adjust compressor speed, which helps save energy by not running at full capacity constantly. For maximum energy savings in a smaller space, the ROVSUN’s 20 SEER2 rating is the stronger specification.
Smart Control
Connectivity options vary between the two brands. The ROVSUN includes built-in Wi-Fi and supports control via a dedicated phone app. It also integrates with voice assistants like Alexa and Google Assistant, allowing for hands-free operation. The Rellytech data does not explicitly list Wi-Fi or app connectivity for this specific 18000 BTU model. It mentions smart eco functions for energy optimization, but not remote digital control. If you want to adjust temperatures from your phone or use voice commands, the ROVSUN is the clear choice. The Rellytech appears to rely on standard remote control without smart home integration.
Physical Size
The physical dimensions of the indoor units differ due to their capacity. The ROVSUN is more compact, measuring 31.9 inches wide and 11.5 inches high. It weighs 70 pounds. The Rellytech is larger, measuring 39.6 inches wide and 9.5 inches high, weighing 112 pounds. The Rellytech is wider but slightly shorter in height. The ROVSUN is narrower but taller. If you have limited wall space or need a unit that fits under a window or in a tight alcove, the ROVSUN’s narrower profile might be easier to mount. The Rellytech requires more horizontal wall space for installation.
Which Mini Split Fits Your Space
Small room owners needing smart control
You should choose the ROVSUN unit if you are cooling a small space up to 400 square feet. It operates on standard 115V power, which simplifies installation. The 20 SEER2 rating ensures high efficiency for this smaller area. You also get built-in Wi-Fi and app control, allowing you to manage the temperature remotely via Alexa or Google Assistant for convenient daily use.
Large area owners needing high capacity
If you need to condition a large room up to 1,250 square feet, the Rellytech model is the correct choice. It delivers 18,000 BTU of cooling power to handle the larger volume. While it requires a 230V circuit, this higher capacity unit provides robust heating and cooling performance suitable for open living spaces or large offices that need significant airflow and temperature stability.
Budget-conscious users with existing wiring
The ROVSUN system is ideal if you want to avoid expensive electrical upgrades. It runs on a standard 115V outlet, which is common in most homes. This eliminates the need for a dedicated 230V line. Combined with its 20 SEER2 efficiency, you get a cost-effective solution for smaller rooms that balances performance with lower infrastructure requirements for your specific space.
The products compared
ROVSUN 9000 BTU 20 SEER2 Mini Split
Best for: small rooms with 115V power
- Cooling Capacity
- 9000 BTU
- Efficiency Rating
- 20 SEER2, 19 SEER
- Voltage
- 115V
- Coverage Area
- Up to 400 sq.ft.
- Heat Pump
- Heat Pump
- Smart Connectivity
- Wi-Fi, App, Alexa, Google Assistant
View on Amazon: ROVSUN 9000 BTU 20 SEER2 Mini Split Affiliate link
This ROVSUN mini split delivers 9,000 BTU of cooling and heating for spaces up to 400 square feet. It runs on standard 115V power and achieves a 20 SEER2 efficiency rating. The unit features Wi-Fi connectivity for app and voice control via Alexa or Google Assistant. Operation is quiet, reaching 28dB in mute mode. It is designed for residential use or light commercial applications where precise temperature control is needed.
Pros
- 20 SEER2 efficiency rating for energy savings
- Wi-Fi and app control with Alexa/Google support
- Quiet 28dB operation in mute mode
- Standard 115V electrical connection
Cons
- 9,000 BTU capacity is lower than 18,000 BTU competitors
- 115V voltage limits use in some regions
- Requires professional installation for safety
Good fit if
- You need cooling for a room under 400 sq.ft.
- You have a standard 115V outlet available
- You want smart app and voice control
Skip if
- You require heating for a large open space
- You only have 230V power outlets
- You prefer a unit with higher BTU capacity
Verdict: ROVSUN 9000 BTU 115V Mini Split is a compact, efficient choice for small rooms with standard electrical outlets. It fits buyers who value smart connectivity and quiet operation in a smaller footprint.
Rellytech 18000 BTU 230V Mini Split
Best for: larger rooms with 230V power
- Cooling Capacity
- 18,000 BTU
- Efficiency Rating
- 19 SEER2
- Voltage
- 208-230V
- Coverage Area
- Up to 1,250 sq. ft.
- Heat Pump
- Heat Pump
- Dimensions
- 9.02 × 40.4 × 12.6 inches
View on Amazon: Rellytech 18000 BTU 230V Mini Split Affiliate link
This Rellytech unit delivers 18,000 BTU of cooling and 18,400 BTU of heating for spaces up to 1,250 square feet. It operates on 208-230V power and achieves a 19 SEER2 efficiency rating. The system includes four operational modes, four fan speeds, and a 90-degree vertical swing. It is designed for whole-home comfort, bedrooms, offices, or garages.
Pros
- 18,000 BTU cooling capacity for larger rooms
- 19 SEER2 energy efficiency rating
- 208-230V electrical connection
- 90-degree vertical air swing
Cons
- Requires 208-230V power, not standard 115V
- No Wi-Fi connectivity in this specific model
- Heating capacity is only slightly higher than cooling
Good fit if
- You need 18,000 BTU of cooling power
- You have a 208-230V electrical circuit available
- You want high efficiency with a 19 SEER2 rating
Skip if
- You only have standard 115V outlets
- You need smart Wi-Fi app control
- You are cooling a small room under 1,000 square feet
Verdict: Rellytech 18k BTU 230V Mini Split is a high-capacity, efficient heat pump for larger spaces with the right electrical setup. It suits users who prioritize raw cooling power and energy savings over smart features.
Specifications side by side
| Spec | ROVSUN 9000 BTU 20 SEER2 Mini Split | Rellytech 18000 BTU 230V Mini Split |
|---|---|---|
| Cooling Capacity | 9000 BTU | 18,000 BTU |
| Efficiency Rating | 20 SEER2, 19 SEER | 19 SEER2 |
| Voltage | 115V | 208-230V |
| Coverage Area | Up to 400 sq.ft. | Up to 1,250 sq. ft. |
| Heat Pump | Heat Pump | Heat Pump |
| Smart Connectivity | Wi-Fi, App, Alexa, Google Assistant | not stated |
| Smart Control | Wi-Fi | not stated |
| Dimensions | 7.99 × 31.9 × 11.5 inches | 9.02 × 40.4 × 12.6 inches |
| Weight | 70 pounds | 112 pounds |
| Size | 8.07"D x 31.92"W x 11.49"H | 18000BTU,230V,19 SEER2 |
| Color | White | White |
| Model | RV09T1/20-I/RV09T1/20-O | CE0-1 |
Frequently asked questions
Which mini split is better for a standard bedroom outlet?
The ROVSUN 9000 BTU model is the better choice for standard bedrooms. It runs on 115V power, allowing you to use a typical wall outlet without special wiring. This compact unit measures 31.9 inches wide and weighs 70 pounds. It fits well in smaller rooms up to 400 square feet. You get smart Wi-Fi control for easy adjustments.
Does the Rellytech unit require a dedicated circuit?
Yes, the Rellytech 18000 BTU unit requires a 230V electrical connection. This is not a standard household outlet, so you will need professional installation. The unit is larger, weighing 112 pounds and measuring 39.6 inches wide. It is designed for larger spaces that need high cooling capacity. Check your home’s electrical panel before purchasing.
How do the energy efficiency ratings compare?
The ROVSUN unit has a higher efficiency rating of 20 SEER2. The Rellytech unit offers a 19 SEER2 rating. Both are heat pumps, so they provide heating and cooling. The ROVSUN model is slightly more efficient per unit of energy used. However, the Rellytech unit handles larger spaces. Your choice depends on whether you prioritize maximum efficiency or raw cooling power.
Can I control the ROVSUN split with my phone?
Yes, the ROVSUN 9000 BTU mini split includes Wi-Fi smart control. You can manage the temperature and settings remotely using a compatible app. This feature is not listed for the Rellytech model. The ROVSUN unit is ideal if you want convenient digital management. It combines this connectivity with a compact design for small rooms.
What is the size difference between the two indoor units?
The Rellytech indoor unit is significantly larger than the ROVSUN model. It measures 39.6 inches wide, 9.5 inches high, and 12.4 inches deep. The ROVSUN unit is 31.9 inches wide, 11.5 inches high, and 8 inches deep. The Rellytech unit is also heavier at 112 pounds compared to 70 pounds. Consider your wall space when deciding.
Which model is suitable for a large living room?
The Rellytech 18000 BTU model is better for large living rooms. It provides higher cooling capacity to handle bigger square footage. The unit operates on 230V power, which supports its higher output. The ROVSUN 9000 BTU unit is too small for large open spaces. Choose the Rellytech if you need to cool a substantial area effectively.