When considering mini-split air conditioners that can heat and cool spaces of up to 550 square feet, specifically for a garage environment, it is essential to evaluate both the quality and price of the options available in 2025.

1. Cost of Installation: The average installation cost for a mini-split system suitable for a space of 450–550 square feet, which typically requires a 12,000 BTU unit, ranges between $3,500 and $5,000. This price encompasses both the equipment and labor costs associated with installation. For detailed pricing estimates, you can refer to Della Home's guide on installation costs.

2. Equipment Sizing: It is critical to ensure you select a unit that meets the heating and cooling needs of the garage. A 12,000 BTU air handler is typically capable of accommodating areas up to 500 square feet. A comprehensive sizing guide can be found at AC Direct.

3. Product Examples:

   • One notable option is the DELLA Motto Series 12000 BTU Mini Split which is wifi-enabled and features many smart functionalities, including multiple fan speeds and energy-saving modes. This unit supports both heating and cooling, making it ideal for garage applications. More information about this model can be found here on Amazon.
   • For broader choices, Lowe's offers a variety of 2025 Ductless Mini Splits, including a single zone 24,000 BTU unit that could easily serve your needs if larger areas are being considered or if more power is required. More options can be explored at Lowe's Mini Splits section.

4. Price Range for Units: Depending on the specific make and model, prices for mini-split systems vary widely—generally between $2,900 to $17,800 installed, depending on features, efficiency ratings, and capacity. For more extensive insights related to heat pump pricing, you can check this Heat Pump Price Guide.

In summary, for heating and cooling a garage space of up to 550 square feet, a 12,000 BTU mini-split system is ideal. Installation costs are significant, averaging between $3,500 to $5,000, with various units available that differ in features, efficiency, and overall quality. Be sure to consider specific product features that align with your needs and any energy-saving capabilities they may offer.

Sources

Cost to Install Mini Split AC System in 2025 - Della HomeMini Split Air Conditioner Sizing Guide of 2025 - AC DirectFan Only Option 2025 Ductless Mini Splits Ductless Mini ... - Lowe'sDELLA Motto Series 12000 BTU Wifi Enabled Mini Split 20 SEER2 ...2025 Ductless Mini Splits Ductless Mini Splits at Lowes.com - Lowe'sHeat Pump Price GuidesShop 5 Zone Ductless Mini Split Systems | HVACDirect.com

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