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Unraveling the Types of Air Source Heat Pumps

Views: 0     Author: Site Editor     Publish Time: 2023-12-27      Origin: Site


The world of heating and cooling is ever-evolving, with air source heat pumps (ASHPs) quickly becoming the industry's favorite. As we delve deeper into the world of ASHPs, it's important to note that they aren't all created equal. They come in a few different types, each with its own unique set of features, benefits, and potential drawbacks. Let’s explore the different types of ASHPs and how they could benefit your home.

1. Air-to-Air Heat Pumps

Arguably the most common type, air-to-air heat pumps, transfer heat between the interior of your home and the outside air. During the winter months, these devices absorb heat from the chilly outdoor air and transport it inside your residence to keep it warm. When summer arrives, the process is reversed. They are notable for their energy efficiency and typically can provide both heating and cooling.

2. Air-to-Water Heat Pumps

Air-to-water heat pumps work on a similar premise to air-to-air ones, but with a critical difference: they transfer heat to a water-based heating system instead of directly to the air. This heated water is then used to supply underfloor heating systems, large-scale radiators, or warm air convectors. This type is particularly popular in new construction projects where modern insulation levels make it a feasible option.

3. Ductless Mini-Split Heat Pumps

Also known as split units, ductless mini-split heat pumps are unique in that they do not require a network of ducts to distribute heated or cooled air throughout your home. Instead, they consist of an outdoor unit and one or more indoor units that can be controlled individually, providing zone-specific comfort. They are highly efficient, offer easy installation, and are perfect for houses without a duct system or for add-ons to houses with existing ducted HVAC systems.

4. Reverse Cycle Chiller (RCC) Heat Pumps

RCCs are a specific type of heat pump that generates hot and cold water rather than air, allowing them to be used with radiant floor systems, air-handlers, or a combination of the two. A RCC can provide the added benefit of allowing a buffer tank to store hot or cold water, helping to smooth out peak loads or supply different temperatures to different zones.

5. Heat Pump Water Heaters

While not strictly for heating and cooling your home, heat pump water heaters are worth mentioning. They use the same technology to move heat around to provide hot water, offering a highly efficient alternative to conventional water heating methods. They extract heat from the air, concentrate it, and use it to heat your water supply.


As you explore your heating and cooling options, it's clear that air source heat pumps offer many types and choices. When selecting the right ASHP for your home, it’s important to consider the specifics of your home, such as size, existing infrastructure, and your specific heating needs.

Remember, energy efficiencies, cost savings, and environmental impacts can all vary between different types of heat pumps. Therefore, thorough research and possibly a professional consultation can set you on the right path to finding the perfect air source heat pump for your home.

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