TLDR

• Daikin’s new ENTRA single-zone mini-split heat pumps now offer R-32 refrigerant, which has a lower global warming potential than the traditional R-410A option.
• The units meet updated federal efficiency standards with an 18 SEER2 rating and come in sizes suitable for spaces up to 1,000 square feet.
• Contractors and homeowners should consider R-32 for lower climate impact, while also planning installation and exploring local rebates for cost savings.

Daikin’s new ENTRA single-zone mini-split now offers models with the low-global warming potential (GWP) refrigerant R-32 alongside the traditional R-410A option. These units meet the updated federal 18 SEER2 efficiency standard, ensuring energy savings and rebate eligibility. The 18,000 BTU model covers spaces up to 1,000 square feet, providing a familiar installation experience while reducing environmental impact. This update gives homeowners, contractors, and property managers a clearer, more efficient choice for heat pump adoption.

Standards, safety, and rebate alignment

The Daikin ENTRA series offers models with R-32 refrigerant, which has a global warming potential (GWP) of about 675. This is much lower than the older R-410A refrigerant, which has a GWP near 2,088. Using R-32 helps reduce environmental impact and aligns with ongoing efforts to phase down harmful hydrofluorocarbons (HFCs).



The ENTRA units meet the 18 SEER2 efficiency standard. SEER2 stands for Seasonal Energy Efficiency Ratio 2, a newer federal rating that measures how efficiently a heat pump cools and heats over a typical season. Meeting 18 SEER2 means these systems qualify for many utility rebate programs. However, rebate rules vary by location, so it’s important to check what applies in your area before purchasing.



The 18,000 BTU model usually requires a 230-volt electrical supply. Because electrical work can be dangerous and must meet code, only a licensed professional should handle wiring and installation for these units.

Who should choose R-32 vs R-410A

Homeowners should choose R-32 models when they want to reduce their climate impact. R-32 refrigerant has a much lower global warming potential, making it a greener choice. However, if you already have equipment using R-410A, it may make sense to stick with that to match existing systems. Contractors benefit from stocking both R-32 and R-410A lines. This approach covers replacement jobs and new installations while allowing time to train on servicing the newer R-32 models. Property managers should consider standardizing on the popular 12,000 and 18,000 BTU sizes. Using consistent models simplifies tracking rebates, managing installs, and monitoring equipment status from a single dashboard. This strategy helps streamline operations and ensures compliance with evolving efficiency and refrigerant standards.

Specs that matter: capacity, coverage, controls

The Daikin ENTRA series offers three sizes: 9,000, 12,000, and 18,000 BTU. BTU stands for British Thermal Unit, a measure of heating or cooling power. The 18,000 BTU model can effectively cover rooms between 700 and 1,000 square feet. This makes it a versatile choice for many home spaces. The system works with the Daikin ONE+ smart thermostat, which allows two-way communication. This means the thermostat and the heat pump share information to keep your home at the right temperature more precisely. Because the ENTRA is a single-zone ductless mini-split, it avoids the energy losses that come with ductwork in central systems. This design also lets installers set it up faster, reducing disruption. Overall, these specs combine to offer efficient heating and cooling with smart control and easier installation compared to traditional systems.

What to do now: sizing, timing, incentives

Start by using our Sizing Tool to find the right BTU capacity for your space. BTU stands for British Thermal Unit, a measure of heating and cooling power. Once you know your needs, compare the R-32 and R-410A models to see which fits your priorities for efficiency and climate impact. Next, plan your installation schedule carefully. Scheduling your crew and electrician early helps avoid delays during busy seasons. Remember, the 18,000 BTU model usually requires 230V power, so licensed professionals must handle electrical work. Finally, check local rebates before buying. Many utilities offer savings for installing high-efficiency heat pumps like the Daikin ENTRA with 18 SEER2 ratings. Deciding upfront if you want to integrate the Daikin ONE+ smart thermostat can boost comfort and maximize your savings. Taking these steps now makes your upgrade smoother, more cost-effective, and better suited to your home or business.

Key Takeaways

• Daikin’s ENTRA mini-split now offers R-32 refrigerant, which has a much lower global warming potential (GWP) than the traditional R-410A, helping reduce climate impact without changing installation methods.
• The ENTRA series meets the updated federal 18 SEER2 efficiency standard, making it eligible for many utility rebates—contractors and homeowners should check local rules before purchasing.
• Homeowners should choose R-32 models for better environmental performance, while contractors are advised to stock both R-32 and R-410A units to cover replacements and new installs.
• The system supports smart home integration via the Daikin ONE+ thermostat, enabling two-way communication for precise climate control and easier management of single-zone ductless setups.

Frequently Asked Questions

What are the main benefits of choosing the Daikin ENTRA heat pump with R-32 refrigerant?

The Daikin ENTRA with R-32 refrigerant offers a lower global warming potential (GWP of 675) compared to R-410A (GWP of 2,088), reducing its climate impact. It also meets the latest 18 SEER2 efficiency standards, which means better energy savings and potential eligibility for utility rebates.

How do I decide between the R-32 and R-410A refrigerant options for my heat pump?

If you want to reduce your home's carbon footprint, R-32 is the better choice due to its lower GWP. However, if you need to match existing equipment or prefer a familiar refrigerant for service, R-410A might be more suitable. Contractors often stock both to cover all needs.

What sizes are available in the Daikin ENTRA single-zone mini-split series, and what space can they effectively cover?

The series includes 9,000, 12,000, and 18,000 BTU models. The 18,000 BTU unit is designed to heat or cool spaces between 700 and 1,000 square feet. Choosing the right size is important for efficient comfort.

How does the Daikin ONE+ smart thermostat enhance the ENTRA heat pump system?

The Daikin ONE+ smart thermostat allows full two-way communication with the heat pump. This means the thermostat and unit exchange data for more precise temperature control, improved comfort, and better energy management.

Related Topics: Daikin ENTRA, R-32 refrigerant, mini-split air conditioner, 18 SEER2 efficiency, heat pump adoption, HVAC energy efficiency, home comfort systems, HVAC rebates, R-410A vs R-32, HVAC installation, residential HVAC, energy-saving HVAC