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Where is the best location to install a wall-mounted heat pump?

Determining the Best Location for Wall-Mounted Heat Pump Installation

Welcome to AirGreen, a premier HVAC company based in Montreal, where we provide high-quality and energy-efficient heating and cooling solutions. One of our top-rated products is the wall-mounted heat pump, also known as a mini split, which caters to both cooling and heating needs.

A frequently asked question by our customers looking to install a wall-mounted heat pump is, "What is the best location to install a wall-mounted heat pump?" In this comprehensive and in-depth article, we will explore the considerations that need to be made when choosing a location for your wall-mounted heat pump and provide guidelines to ensure optimal performance.

Understanding Wall-Mounted Heat Pumps

Before diving into location specifics, it's essential to understand what a wall-mounted heat pump is. These HVAC systems, also referred to as mini splits, stand out for their structure. Unlike traditional HVAC systems, wall-mounted heat pumps don't require ducts. They consist of two main units: the outdoor compressor/condenser and the indoor air-handling unit. These units are connected by a conduit housing the power cable, refrigerant tubing, suction tubing, and a condensate drain.

Determining the Best Location for Your Wall-Mounted Heat Pump

When choosing a location for your wall-mounted heat pump, several factors come into play. Here are the key considerations:

  1. Wall Strength: The wall should be strong enough to support the weight of the heat pump.
  2. Clearance: The selected location should provide enough clearance from the ceiling, floor, and adjacent walls. This is crucial for airflow and easy access for maintenance or repairs.
  3. Away from Heat Sources: The heat pump should be installed away from direct sunlight or other heat sources to avoid overheating.
  4. Quiet Zones: For quiet operation, install the heat pump away from areas prone to echoing, such as corridors or empty rooms.
  5. Outdoor Unit Placement: Care must also be taken when placing the outdoor unit. It should have sufficient clearance from vegetation, be elevated off the ground, and be easily accessible for maintenance.

Key Factors to Consider When Deciding on Location

After going through the general considerations, it's also necessary to understand the specific factors that can affect the efficiency and performance of your wall-mounted heat pump:

  1. Room Size and Layout: Larger rooms or those with complex layouts may require larger units or multiple indoor units for efficient heating and cooling.
  2. Sun Exposure: Rooms with significant sun exposure may get warmer faster and thus require more cooling power.
  3. Room Usage: Rooms that are frequently used or those with heat-producing appliances may need more cooling power.
  4. Insulation: Well-insulated rooms keep the conditioned air in, resulting in better energy efficiency.

By keeping these factors in mind, you can determine the best location for your wall-mounted heat pump and ensure optimal performance.


Finding the perfect location for your wall-mounted heat pump is crucial to its performance and your comfort. While these guidelines can help, each home is unique, and professional advice is invaluable.

At AirGreen, we're committed to providing efficient, tailored HVAC solutions for our clients. If you're considering installing a wall-mounted heat pump, our team of trained professionals can guide you through the process, ensuring your heat pump is installed for optimal performance and efficiency.