Mini Split

Achieve Year-Round Comfort with High-Efficiency Mini Split Systems

Dealing with the unpredictable climate of Scarborough, from humid summers to freezing winters, requires a versatile and reliable HVAC solution. Our state-of-the-art mini split systems ensure your home remains perfectly tempered regardless of the forecast outside. Contact us today to schedule an on-site assessment or to inquire about our flexible financing options for new installations.

Metropolitan Heating & Air Conditioning specializes in ductless technology that solves comfort issues in homes without existing ductwork or in rooms that never seem to stay the right temperature. Whether you are retrofitting an older home or building an addition, we provide a streamlined path to energy independence and superior comfort. Contact us now.

• Achieve precise temperature control in individual rooms with energy-efficient zoning capabilities.
• Experience a rapid installation process that ensures minimal disruption to your daily schedule.
• Access affordable comfort solutions with transparent pricing and flexible financing options available.
• All installations are backed by comprehensive warranties and comply strictly with local building codes.

Comprehensive Ductless Heating and Cooling Solutions

When you invest in a mini split system, you are purchasing more than just hardware; you are investing in a customizable climate control ecosystem. These systems, often referred to as ductless heat pumps, consist of an outdoor compressor/condenser and one or more indoor air-handling units. They are connected by a conduit housing the power cable, refrigerant tubing, and a condensate drain. This design eliminates the energy loss associated with ductwork, which can account for more than 30% of energy consumption for space conditioning.

Homeowners in Scarborough typically choose these systems for their ability to provide both heating and cooling from a single unit. Modern ductless systems utilize inverter technology, which allows the compressor to speed up or slow down based on the specific needs of the room rather than turning on and off completely. This results in consistent temperatures and significantly lower utility bills.

Upon choosing a system, you receive a complete installation package. This includes the selection of top-tier equipment from trusted brands like Mitsubishi, Lennox, and Carrier. We handle the sizing of the unit; measured in British Thermal Units (BTUs), to ensure it matches the square footage and thermal characteristics of your room. An undersized unit will run constantly and fail to heat or cool, while an oversized unit will short-cycle, leading to humidity issues and premature wear.

Our service includes the complete setup of the indoor evaporator units, which can be mounted high on a wall, on the floor, or recessed into the ceiling. We also install the outdoor condenser unit on a concrete pad or mount it to the exterior wall using sturdy brackets designed to withstand local weather conditions.

The Installation Process: What to Expect

Moving to a ductless system is significantly less invasive than installing central air conditioning or replacing a furnace. Because there is no need to tear open walls to run bulky ducts, the process is clean and typically completed quickly. We follow a rigid protocol to ensure every system operates at peak efficiency from the moment we power it on.

• Site Evaluation and System Sizing: The process begins with a load calculation. Technicians assess the insulation levels, window placement, and square footage of the target zones. This ensures the selected hardware can handle the heating load in January and the cooling load in July.

• Mounting the Indoor Unit: Technicians locate a spot on an exterior wall that offers optimal airflow distribution for the room. A mounting plate is secured to the wall studs to support the weight of the unit. The location is chosen to allow for proper drainage and easy access for future maintenance, such as filter cleaning.

• Drilling the Conduit Hole: A small hole, usually three inches in diameter, is drilled through the wall to connect the indoor and outdoor units. This is the only structural modification required. The hole is positioned behind the indoor unit so it remains completely hidden from view inside the home.

• Installing the Outdoor Unit: The condenser is placed outside the home. In areas with significant snowfall, the unit is often mounted on a stand or wall bracket to keep it above the snowline. This ensures unrestricted airflow and prevents ice buildup from damaging the fan blades during winter operation.

• Connecting the Lines: Refrigerant lines, power cables, and drain pipes are fed through the conduit hole and connected to both units. The refrigerant lines are insulated to prevent energy loss and condensation. The system is then pressure-tested to ensure there are no leaks in the closed loop.

• Vacuuming and Charging: Metropolitan Heating & Air Conditioning technicians use a vacuum pump to remove air and moisture from the refrigerant lines. This step is critical for the longevity of the compressor. Once the vacuum holds, the refrigerant is released into the lines.

• Final Testing and Walkthrough: The system is powered on and tested in both heating and cooling modes. Technicians verify that the condensate drain is flowing correctly and that the remote control or wall thermostat is communicating with the unit. You will receive a demonstration on how to operate the system, clean the filters, and adjust the louvers for directional airflow.

Deciding Between Repair and Replacement

Determining whether to repair an aging mini split or replace it with a new model is a financial decision based on efficiency, age, and reliability. While these systems are durable, they do not last forever. Making the right choice depends on evaluating the long-term costs of keeping an old unit running versus the upfront investment of a modern, high-efficiency system.

• Age of the Equipment: Most ductless systems have a lifespan of 15 to 20 years. If your unit is approaching or has exceeded this range, parts may become obsolete or prohibitively expensive. Replacement is often the more prudent financial choice for units over 15 years old.

• Frequency of Breakdowns: If you find yourself calling for service multiple times a year, the cumulative cost of repairs will quickly outpace the cost of a new installation. A reliable rule of thumb is the "5,000 Rule": Multiply the age of the unit by the estimated repair cost. If the total exceeds $5,000, replacement is recommended.

• Efficiency Ratings (SEER and HSPF): Older units often have lower Seasonal Energy Efficiency Ratios (SEER) and Heating Seasonal Performance Factors (HSPF). Modern systems offer SEER ratings as high as 30, which can drastically reduce monthly electricity bills. If your current system causes a spike in energy usage, upgrading can provide an immediate return on investment through utility savings.

• Compressor Failure: The compressor is the heart of the mini split. If the compressor fails and the unit is out of warranty, replacement is almost always the correct path. The labor and parts cost for a compressor replacement are comparable to installing a brand-new outdoor unit.

• Refrigerant Type: Older systems may use R-22 refrigerant, which has been phased out due to environmental regulations. If an R-22 system develops a leak, sourcing the refrigerant is difficult and expensive. Upgrading to a system that uses R-410A or newer eco-friendly refrigerants ensures compliance and ease of serviceability.

Local Considerations for Homeowners

Installing a mini split in Scarborough requires attention to specific regional factors, including climate extremes, municipal bylaws, and utility setups. Ignoring these local nuances can lead to poor performance or compliance issues down the road.

• Winter Performance and Snow Clearance: Scarborough winters involve heavy snowfall and freezing temperatures. Standard heat pumps may lose efficiency when temperatures drop significantly below freezing. It is vital to select "Cold Climate" models designed to maintain 100% heating capacity even at -15°C or lower. Additionally, outdoor units must be mounted high enough to avoid being buried in snow drifts, which cuts off airflow and causes the system to freeze up.

• Permits and Electrical Code: Electrical work for HVAC installations must comply with the Ontario Electrical Safety Code. This typically involves installing a dedicated circuit and an electrical disconnect switch near the outdoor unit. Professional installation ensures that all wiring meets safety standards and that necessary permits are pulled and closed properly.

• Noise Bylaws: While modern mini splits are incredibly quiet, the outdoor units do generate some sound. Placement must respect local noise bylaws and property line setbacks to avoid disturbing neighbors. Experienced installers position units to minimize noise propagation while maintaining accessibility for service.

• Rebates and Incentives: Various government and utility programs often incentivize the switch to heat pumps due to their carbon-reduction potential. Homeowners should investigate current offerings such as the Greener Homes Grant or incentives from local utility providers. These rebates can significantly offset the initial capital outlay for high-efficiency equipment.

• Condensation Management in Summer: Given the humidity levels during Ontario summers, the condensate drain system works hard. Gravity drains are preferred, but if the indoor unit is below the outdoor unit or on an interior wall, a condensate pump may be required. Ensuring this drainage is robust prevents water damage to interior walls.

Why Professional Installation Matters

The performance of a mini split is heavily dependent on the quality of the installation. Unlike plug-and-play appliances, these are complex thermodynamic systems. A slight error in the refrigerant charge or a kink in the line set can reduce efficiency by double-digit percentages and shorten the lifespan of the equipment.

We prioritize technical precision and customer education. Our technicians are trained to handle the specific requirements of brands like Mitsubishi and Lennox, ensuring that the factory warranty remains valid. Manufacturers often void warranties if the equipment is not installed by a licensed professional. By choosing a certified team, you protect your investment and ensure that the documented efficiency ratings are actually achieved in your home.

We also focus on the aesthetics of the installation. We understand that line sets running down the side of a house can be unsightly if not managed correctly. We use line set covers (slim ducts) that can be painted to match the exterior of the home, ensuring a clean, finished look that preserves curb appeal.

Furthermore, we provide clear guidance on maintenance. While mini splits are low maintenance, they are not "no maintenance." We show you exactly how to access and clean the reusable mesh filters, a simple task that is crucial for maintaining air quality and airflow. We also offer seasonal maintenance plans to deep clean the internal coils and blower wheels, preventing mold growth and keeping the air in your home fresh and healthy.

Book Your Service Now

Metropolitan Heating & Air Conditioning is committed to providing Scarborough residents with honest advice, superior workmanship, and reliable heating and cooling solutions. We do not cut corners on materials or rush the commissioning process. Our goal is to leave you with a system that operates so quietly and effectively that you forget it is there.

Don't let another season pass with uncomfortable rooms or high energy bills. Upgrade your home comfort today.

Contact our team now to discuss your mini split options and get a free estimate on your new system.