Oasis Heating, A/C & Refrigeration Blog : Archive for the ‘Heat Pump’ Category

The Basics of Ductless Mini Split Heat Pumps

Thursday, March 20th, 2014

Heat pumps stand as viable alternatives to traditional forced-air systems, combining the features of a heater and an air conditioner in one. Here in Arlington VA, heating with them makes a lot of sense since they do well in climates with comparatively mild temperatures. Heat pumps are available as centralized units, but you can also get ductless mini split heat pump systems. Why a ductless mini split might work for you, it’s important to understand the basics.

Ductless mini split systems entail a series of individual air handling units placed around your home, each connected to the outside unit. Each one is tasked with heating or cooling a specific section: an individual room or similar area. This section arrangement allows you to tailor the temperature to whatever you want in each room, or even turn the heat or air conditioner off in parts of the home you aren’t using. The indoor units of the ductless mini split systems need to be installed on an outside wall, but otherwise their installation parameters are very flexible, allowing them to be placed wherever you decide they can do the most good.

Ductless heat pumps work just like central heat pumps, they both use a closed loop system that circulates refrigerant gas just like an air conditioner. The gas passes through a compressor which subjects it to a great deal of pressure, then into condenser coils, which bleed the heat off to turn the gas into liquid. (The generated heat can be used to warm your home during the heating cycle.) The liquid then moves through an expansion valve, which releases a set amount into the evaporator coils. As the refrigerant evaporates, it pulls heat from the surrounding air, which can then be used in the system’s cooling cycle. The refrigerant then returns to the compressor valve to start the system anew.

These are just the basics of ductless mini split heat pumps. For specifics, OASIS Heating, A/C & Refrigeration, Inc. is standing by to help. We operate in Arlington, VA, heating and cooling are both a part of our service, and we can discuss the installation of a ductless mini split heat pump system with you. Call us today to make an appointment!

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