EG4 AC Mini-Split 9000 BTU | Energy Star, AHRI

EG4 9,000 BTU AC Mini Split – Ultra-Efficient DIY Climate Control

Precision Heating and Cooling for Small to Mid-Size Rooms

The EG4 9K Mini Split is a compact, high-efficiency HVAC solution delivering 9,000 BTU of cooling and heating capacity. Designed for energy-conscious homeowners, builders, and off-grid applications, this unit provides powerful temperature control in small to medium-sized spaces such as bedrooms, offices, workshops, or ADUs. With its slim indoor profile and whisper-quiet performance, it’s an ideal solution for discrete yet effective air management.

Unmatched Energy Efficiency – SEER2 Rating of 29.5

With an exceptional SEER2 rating of 29.5, the EG4 9K Mini Split stands out as one of the most efficient systems in its class. Advanced inverter technology dynamically adjusts compressor output to meet the room's demand, reducing energy waste and lowering monthly utility costs. Whether tied to the grid or paired with solar, this unit provides optimal performance while minimizing environmental impact.

Plug-N-Cool DIY Installation – No Vacuum Pump Required

This model features EG4’s proprietary Plug-N-Cool connection system, allowing for fast, tool-free installation. The pre-charged 16.4 ft line set comes sealed with self-closing quick-connect valves, eliminating the need for vacuum pumps, gauges, or refrigerant handling. DIY installers and professionals alike benefit from faster setup times and fewer complications during installation.

Reliable Year-Round Comfort for Up to 450 Sq. Ft.

The 9,000 BTU capacity supports both heating and cooling in rooms up to 450 square feet. Whether it's keeping a home office cool in summer or warming a guest room in winter, the EG4 9K provides stable, energy-efficient operation year-round. It’s an excellent choice for small homes, tiny houses, or energy-conscious renovations.

What’s Included

• Indoor head unit (wall mount)
• Outdoor condenser unit
• 16.4 ft pre-charged refrigerant line set with electrical wiring
• LCD remote control
• Mounting bracket and installation hardware

Warranty and Service Notes

The EG4 9K Mini Split is backed by a 5-year limited manufacturer warranty covering both compressor and parts. Although this system is designed for Do-It-Yourself installation, any future refrigerant handling, decommissioning, or service work must be performed by a licensed HVAC technician to maintain warranty coverage and meet EPA guidelines.