MRCOOL Universal® 36,000 BTU (3 Ton) Inverter Heat Pump System
The MRCOOL Universal® 36,000 BTU (3 Ton) system delivers dependable, energy-efficient heating and cooling for larger residential spaces. Utilizing advanced DC inverter technology and environmentally friendly R-454B refrigerant, it automatically adjusts output to maintain consistent indoor temperatures while helping reduce energy costs. With an 18.0 SEER2 efficiency rating, this system offers an excellent balance of performance and efficiency.
Designed for flexible installation, the slim, multi-position air handler fits easily in attics, closets, crawlspaces, and other limited spaces. Quiet operation, corrosion-resistant components, and compatibility with MRCOOL® NO-VAC® Quick Connect® line sets help simplify installation while supporting long-term reliability.
Key Features & Benefits
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High Energy Efficiency – 18.0 SEER2 rating for lower energy consumption
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DC Inverter Technology – Variable-speed operation for steady comfort and quieter performance
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Multi-Position Installation – Supports upflow, downflow, and horizontal configurations
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Compact Design – Ideal for tight mechanical spaces
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Quick Connect Compatibility – Works with MRCOOL® NO-VAC® Quick Connect® line sets
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Optional Heat Kits Available – Enhanced cold-climate performance and backup heating
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Durable Aluminum Coil – Corrosion-resistant M-shaped coil for long-term reliability
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Quiet Operation – Engineered for low sound levels
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Warranty Coverage – 10-year parts and 2-year limited labor warranty














