Heat Pump Split Systems

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Welcome to the South Mini Splits collection for Heat Pump Systems. We feature high-efficiency systems from industry leaders like Cooper & Hunter, OLMO, MRCOOL, and Bravo.

These energy-efficient, versatile, and quiet systems are the ideal solution for year-round comfort, reducing reliance on fossil fuels, and providing zoned or whole-home climate control.

💡Why Choose South Mini Splits for Your Heat Pump Systems?

✅ Wholesale Pricing: Competitive rates on top-tier HVAC equipment.

✅ USA-Based Support: Expert help from sizing to post-install troubleshooting.

✅ Free Shipping Over $300: Get your complete system delivered fast.

heat_pump_system_diagram

What is a Heat Pump System?

A heat pump is essentially a two-way air conditioner. In cooling mode, it works like a traditional AC by moving heat out of your home. In heating mode, it reverses the process to extract heat from the outside air (even when temperatures are near freezing) and move it inside your home.

The term "Heat Pump Systems" covers several configurations:

  • Ductless (Mini Splits): The most common style, where individual indoor air handlers (like wall mounts) connect to a single outdoor unit.
  • Ducted: Centralized systems (similar to a conventional furnace) that use the same outdoor heat pump to supply heated or cooled air through existing ductwork.
  • Split Systems: The most standard type, consisting of an outdoor condenser unit and an indoor air handler (or furnace coil) connected by refrigerant lines.

Key Efficiency Metrics (Pro Insight)

Heat pumps are significantly more efficient than electric furnaces because they move heat rather than generating it. Key metrics to consider are:

  • SEER2 (Seasonal Energy Efficiency Ratio 2): Measures cooling efficiency during a typical season. Higher SEER2 ratings (e.g., 18 or higher) translate directly to lower summer cooling bills.
  • HSPF2 (Heating Seasonal Performance Factor 2): Measures heating efficiency. Higher HSPF2 ratings (e.g., 9 or higher) mean the unit is highly efficient in colder weather.
  • Cold-Climate Performance: Modern heat pumps use Enhanced Vapor Injection (EVI) or Hyper-Heat Technology to maintain efficient heating performance even when outdoor temperatures drop below $5^\circ\text{F}$ ($\approx -15^\circ\text{C}$).

Sizing is Critical: Proper sizing (based on Manual J Load Calculation) ensures the heat pump can meet both the heating and cooling demands of the space without overworking itself, maximizing its efficiency (SEER2/HSPF2).

Mini Split BTU Sizing & Application Guide

Use our quick reference chart to match your room size with the ideal system capacity.

Capacity Sq. Footage Application
6,000 BTU150–250Small bedrooms & offices
9,000 BTU250–450Standard bedrooms
12,000 BTU450–600Kitchens & studios
18,000 BTU600–1,000Living rooms & garages
24,000 BTU1,000–1,200Open floor plans
36,000 BTU1,500–1,700Commercial & fitness
48,000 BTU1,900–2,100Large warehouses
60,000 BTU2,400–2,800+Commercial estates

When to "Size Up"

High Ceilings (10ft+)

If your ceilings are 10 feet or higher, you are cooling a larger volume of air. We recommend increasing your BTU choice by 20%.

Poor Insulation

For older homes or buildings with single-pane windows, opt for the next size up to ensure the unit can maintain the set temperature.

Kitchen Environments

Appliances generate significant heat. If the unit is for a kitchen, add 4,000 BTUs to your square footage calculation.

Heavy Sun Exposure

Rooms with large south-facing windows or "sunrooms" act like greenhouses. Increase your BTU capacity by 10-15%

Occupancy

If the area regularly hosts more than two people (like a conference room or classroom), add 600 BTUs per additional person..

Need Help Sizing?

If you aren't sure which unit is right for your project, use our BTU Calculator or contact our USA-based support team for a custom recommendation.

Open BTU Calculator

FAQs/Frequently Asked Questions

Q: Are heat pumps effective in cold climates?

A:Yes. While older models struggled, modern heat pumps are designed specifically for cold climates. Look for units featuring Inverter Technology and Hyper-Heat (or similar branding) which are highly effective at providing heating down to sub-zero temperatures.

Q: What is the benefit of a Heat Pump over a conventional AC and Furnace?

A: A heat pump provides both heating and cooling from a single outdoor unit, eliminating the need for separate equipment. This not only saves space but also offers significantly higher energy efficiency for heating than most gas or electric furnaces, leading to major utility savings, especially on heating costs.

Q: Do I still need backup heat with a heat pump?

A: In most climate zones, supplemental heat (like an electric heat strip or a small furnace) is a good idea. This auxiliary heat only kicks on when the temperature is too low for the heat pump to operate efficiently or during a rapid temperature setback. However, with modern cold-climate models, the need for backup heat is greatly reduced.

Q: Can I use a heat pump with my existing ductwork?

A:Yes. If your home already has ductwork and a centralized furnace/AC system, you can often replace the outdoor AC unit and the indoor furnace (or air handler) with a Ducted Heat Pump System. This utilizes your current ducts for air distribution while giving you the energy efficiency of a heat pump.

Q: What does a high SEER2 rating mean for my wallet?

A: A higher SEER2 rating indicates a more efficient cooling performance. This means the unit consumes less electricity to produce the same amount of cooling, which directly translates into lower monthly electricity bills during the cooling season.