EG4 36K Multizone Mini-Split AC/DC

Solar-Powered Comfort. Hybrid Flexibility. Whole-Home Climate Control.

The EG4 24K and 36K Hybrid Multizone Mini-Split systems deliver year-round heating and cooling powered by solar, grid, or both. Operating on 208–240 VAC and accepting direct DC solar input from 100–410 VDC, these systems reduce daytime energy consumption without sacrificing comfort. With support for up to four indoor zones, high-efficiency R32 refrigerant, and a DIY-friendly pre-charged line set, the EG4 multizone mini-split is purpose-built for solar-integrated homes and energy-independent installations.

Please note: Air handlers are sold separately and must be specified on a per project.

Features & Benefits

Hybrid AC/DC Operation
Accepts both 208–240 VAC grid power and 100–410 VDC direct solar input, automatically prioritizing solar to lower operating costs.

Multizone Indoor Configuration
The 36K supports up to 4 indoor heads— available in 12K, 18K, and 24K combinations to match any layout.

High-Efficiency R32 Refrigerant
Delivers SEER2 ratings up to 22.5 and HSPF2 up to 10, providing strong performance in both heating and cooling modes.

DIY-Friendly Pre-Charged Line Sets
Factory pre-charged refrigerant lines in 16.4 ft and 26.2 ft lengths simplify installation without vacuum or refrigerant handling equipment. Line sets are purchased separately.

AC Power Limiter
Limits grid draw to 25%, 50%, or 75% via remote or app, maximizing solar utilization during peak sun hours.

Integrated MPPT Solar Input
Built-in MPPT controller optimizes energy harvest from connected PV arrays — one port on the 24K, two on the 36K.

Smartphone App Control
Monitor real-time PV and AC input, adjust settings, and view cumulative energy savings via the iOS/Android Solar Aircon app.

Four-Season Operation
Cools down to 5°F outdoor ambient and heats in outdoor temperatures from 5–86°F, suited for diverse climates.

Reduced Energy Costs
Solar-first prioritization means the compressor runs on free daytime energy whenever panels are producing, cutting grid consumption during peak-rate hours.

Flexible Installation
Operates on AC-only, solar-only, or hybrid solar + AC — so it works whether or not a dedicated solar array is connected, adapting to any site condition.

Whole-Home Comfort from One Outdoor Unit
A single outdoor unit heats or cools multiple independent zones simultaneously, eliminating the need for multiple systems.

Low Noise, High Comfort
Outdoor units operate at 58–60 dB(A) and indoor units as low as 43 dB(A), delivering quiet background-level comfort throughout living spaces.

5-Year Limited Warranty
Backed by EG4’s five-year limited warranty, providing long-term confidence in system reliability.

• EG4 24K and 36K Multizone Mini-Split AC/DC – Manual V.0.1 | Download
• EG4 36K Multizone Mini-Split AC/DC – Spec Sheet V1.0.1 | Download

Key Specifications
Cooling Capacity: 36,000 BTU/h
Heating Capacity: 36,000 BTU/h
AC Voltage: 208–240 VAC
DC Solar Input: 100–410 VDC
SEER2: 22.5
Operating Temp (Cooling): 5–125°F (-15–52°C)
Operating Temp (Heating): 5–75°F (-15–24°C)
Max Air Handlers Supported: 4

12K Air Handler

• Capacity: 12,000 BTU
• Air Flow: 365 CFM
• Sound: 43 dBA
• Max Room Size: 500 ft^2

18K Air Handler

• Capacity: 18,000 BTU
• Air Flow: 559 CFM
• Sound: 46 dBA
• Max Room Size: 800 ft^2

24K Air Handler

• Capacity: 24,000 BTU
• Air Flow: 765 CFM
• Sound: 50 dBA
• Max Room Size: 1,250 ft^2

California Proposition 65 Warning

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