Ductless mini-split air conditioners or heat pumps are gaining popularity across North America for their efficiency and versatility. The list of benefits of mini-splits is long, making it an easy decision for many homeowners looking to upgrade their home heating and cooling.

If you’re ready to make the switch, we’ve outlined the most important factors to consider when deciding on which brand and model to purchase. 

Table of Contents

1. Energy Efficiency
2. Climate Compatibility
3. Size and Capacity
4. Installation and Maintenance
5. Zone Control
6. Noise Levels
7. Smart Features and Controls
8. Brand Reputation and Warranty
9. Cost and Energy Savings

1. Energy Efficiency

SEER and HSPF Ratings:

Look for models with high SEER and HSPF ratings to maximize energy savings and reduce your utility bills.

• Seasonal Energy Efficiency Ratio (SEER) measures cooling efficiency. Higher SEER ratings indicate better energy efficiency.
• Heating Seasonal Performance Factor (HSPF) measures heating efficiency. Higher HSPF ratings suggest better heating performance.

2. Climate Compatibility

Operating Range:

• Ensure the heat pump can operate effectively in your local climate. Some models (but not all!) are designed to perform well in extreme temperatures, both hot and cold.
• If you live in a region with harsh winters, choose a model with a low-temperature heating capability.

3. Size and Capacity

BTU (British Thermal Units):

• The capacity of the mini-split, measured in BTUs, should match the size of the space you want to heat or cool. A unit that's too small will struggle to maintain comfortable temperatures, while one that's too large will cycle on and off too frequently, reducing efficiency.
• Conduct a load calculation or consult a professional to determine the appropriate BTU rating for your space.

4. Installation and Maintenance

Professional Installation:

• Proper installation is crucial for the efficient and effective operation of your mini-split system. Professional installation ensures correct placement, refrigerant charging, and connection to the electrical system.
• Verify that the installer is certified and experienced with mini-split systems.

Maintenance Requirements:

• Regular maintenance, such as cleaning filters and checking refrigerant levels, is essential for optimal performance. Choose a model with easily accessible components to simplify upkeep.

5. Zone Control

Single vs. Multi-Zone Systems:

• Decide if you need a single-zone or multi-zone system. Single-zone systems are ideal for heating or cooling one room, while multi-zone systems can manage multiple areas independently.
• Multi-zone systems – while more expensive upfront – provide flexibility and energy savings by allowing you to heat or cool only the rooms in use.

6. Noise Levels

Indoor and Outdoor Units:

• Check the noise ratings for both the indoor and outdoor units. Quiet operation is especially important for bedrooms, living rooms, and home offices.
• Noise levels are typically measured in decibels (dB). Lower decibel ratings indicate quieter operation.

7. Smart Features and Controls

Remote and Smart Home Integration:

• Consider models with remote controls, or shop for smart thermostats for ductless mini-splits for convenient operation.
• Some systems offer Wi-Fi connectivity and compatibility with smart home devices, allowing you to control your heat pump from a smartphone or voice assistant.

Shop Mysa for Mini-Split Heat Pumps and AC 

8. Brand Reputation and Warranty

Reliable Brands:

• Opt for reputable brands known for quality and reliability. Research customer reviews and professional ratings.
• Leading brands include Mitsubishi Electric, Daikin, Fujitsu, LG, Senville, and Gree.
• Mysa Smart Thermostat for Mini-Split Heat Pumps and AC is compatible with most major brands.

Warranty:

• A good warranty can provide peace of mind and protect your investment. Look for models with comprehensive warranties that cover parts and labor for an extended period.
• Note that in some cases, installing your ductless mini-split heat pump yourself can void your warranty. This is another reason we recommend finding a trustworthy installer to help.

9. Cost and Rebates

Initial Cost vs. Long-Term Savings:

• While higher-end models with advanced features may have a higher upfront cost, they often offer greater energy savings and better performance over time.
• Consider the long-term savings on energy bills when evaluating the cost.

Rebates and Incentives:

• Check for available rebates and incentives from government programs, utility companies, and manufacturers. These can significantly reduce the overall cost of your system.
• Find a rebate on the Mysa Smart Thermostat for Mini-Split Heat Pumps and AC.