Key Features & Benefits
High-Efficiency Cooling
When correctly matched and installed, the DX3SE can achieve up to 14.5 SEER2, helping homeowners reduce cooling costs and maintain energy-efficient comfort.
Smart Protection & Diagnostics (CoreSense)
The integrated Copeland® CoreSense™ module continuously monitors system performance and helps prevent damage by identifying abnormal operating conditions—improving overall system reliability.
Quiet, Long-Lasting Operation
A high-density foam sound blanket surrounds the compressor to help minimize operational noise.
The removable grille-style top provides quick access for service.
Its nickel-gray powder-coated cabinet—tested for 500 hours of salt spray—offers strong corrosion resistance.
Venturi-enhanced airflow design improves coil performance for better heat transfer.
Easy to Service & Maintain
A factory-installed filter drier helps protect the system from contaminants right from installation.
Service valves with sweat connections and gauge ports allow easier diagnostics and maintenance.
The unit comes pre-charged for 15 ft of line set, simplifying shorter installations.
Technical Specifications (Highlights)
Here are selected technical details from Daikin’s official specifications:
| Spec | Value / Notes |
|---|---|
| Cooling Capacity (BTU/h) | 18,000 / 24,000 / 30,000 / 36,000 / 42,000 / 48,000 / 60,000 |
| Sound Ratings | 68–73 dBA depending on model |
| Electrical | 208/230V, single-phase |
| Line Set Sizes | Liquid: ⅜” ; Suction: varies by capacity (¾” and up) |
| Weight | Depends on specific model; see detailed spec sheet |
| Warranty | 6-Year Unit Replacement + 12-Year Parts (with registration) |
Warranty & Registration
Daikin offers a 6-Year Unit Replacement Warranty and a 12-Year Parts Warranty for the DX3SE, as long as the unit is registered (usually within 60 days) and maintained properly.
To ensure full warranty protection:
Use a licensed HVAC professional
Complete annual maintenance as recommended
Register the system per Daikin’s requirements
Install matched components and follow manufacturer installation standards
At TopCare HVAC Mississauga, we make sure every DX3SE installation meets Daikin’s warranty guidelines.
Installation, Maintenance & Repairs (Mississauga)
Professional Installation
Proper installation is essential for performance, efficiency, and warranty compliance. Our certified HVAC team provides:
Cooling load calculations
Proper matching with indoor coils and ductwork
Accurate refrigerant charging
Electrical and control wiring verification
System start-up, testing, and airflow balancing
Preventative Maintenance & Tune-Ups
To keep your DX3SE running efficiently, we perform:
Coil cleaning (evaporator & condenser)
Electrical inspection & tightening
Refrigerant pressure checks
Airflow and thermostat verification
CoreSense diagnostic review to catch issues early
Repairs & Troubleshooting
If your system shows symptoms such as reduced cooling, error codes, or unusual cycling, our technicians diagnose and repair issues using OEM parts and industry standards.
System Upgrades & Integrations
Whether you’re adding a smart thermostat, indoor air quality upgrades, or replacing older components, we ensure everything is compatible and optimized for performance.
Why Choose TopCare HVAC Mississauga for Your DX3SE?
Certified Daikin installers with extensive system experience
Serving Mississauga, Oakville, Burlington, and Milton
Transparent pricing with financing options
Full maintenance plans and dependable after-sales support
Strong local reputation for high-quality workmanship
Frequently Asked Questions (FAQs)
Q: Will the DX3SE work for my home size?
Yes. With capacities from 1.5 to 5 tons, our team will perform a load calculation to match the right size to your home.
Q: What efficiency level can I expect?
Up to 14.5 SEER2, depending on proper installation and indoor component matching.
Q: What refrigerant does it use?
The DX3SE uses R-410A.
Q: Is the unit loud?
Sound levels range from 68 to 73 dBA depending on the model size.
Q: What warranty does it include?
A 6-year unit replacement warranty and a 12-year parts warranty when properly installed and registered.
Q: How often should it be serviced?
At least once per year to maintain performance and keep the warranty valid.
Call to Action
Ready to install a Daikin DX3SE in your Mississauga home?
Contact TopCare HVAC Mississauga today for a free quote, system assessment, or to schedule installation or maintenance. We’ll ensure your system is properly sized, expertly installed, and supported for long-lasting comfort.
