18,000 BTU Ductless Mini Split Air Conditioners
Explore our collection of 18,000 BTU ductless mini split systems, engineered for exceptional indoor comfort and energy efficiency. With a sleek ceiling cassette design, these units integrate seamlessly into any room while maintaining powerful performance. Perfect for residential or light-commercial settings, they deliver precise temperature control without extensive ductwork. Featuring advanced inverter technology, they ensure quiet operation and reduced energy costs. Backed by Cooper & Hunter’s trusted craftsmanship, these air conditioners combine durability with superior comfort.
🤔 What is BTU and TON?
BTU (British Thermal Unit) measures how much heat an AC or heating system can move in one hour. A higher BTU rating = more power for larger spaces. This helps you choose the right-sized mini split for maximum comfort and efficiency.
TON is another HVAC unit of measurement. One ton equals 12,000 BTU/hr, making it easier to compare cooling capacities across systems.
BTU/hr Tons 6,000 0.5 12,000 1.0 18,000 1.5 24,000 2.0 30,000 2.5 36,000 3.0 42,000 3.5 48,000 4.0 54,000 4.5 60,000 5.0
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FAQ
What size room can an 18,000 BTU mini split cool or heat?
An 18,000 BTU (1.5-ton) ductless mini split cools or heats 700–1,000 sq ft, ideal for large bedrooms, basements, or small offices. For precise sizing, use our Size-My-Room tool at MiniSplits4Less.com.
How much does a 1.5-ton ductless mini split cost installed?
As of 2025, expect full installation costs between $3,200–$5,500, depending on brand, SEER rating, and labor.
What are the best 18,000 BTU mini split systems in 2025?
Cooper & Hunter 18k models reach up to 25 SEER and heat down to –22°F. Olmo and Bravo also offer reliable high-efficiency options—many rebate-ready and Wi-Fi enabled, in stock at MiniSplits4Less.com.
Can I install an 18,000 BTU mini split myself?
Installation typically requires a licensed HVAC technician for 230V wiring, vacuum testing, and refrigerant handling. DIY may void warranty or rebates.
