Homeowners in cold areas can forget what they think they know about heat pumps because modern, high-efficiency models keep homes warm all year long. Mitsubishi Electric’s heating and air conditioning systems, which come in both ducted and ductless configurations, are effective at temperatures of -13 degrees Fahrenheit.


To achieve this level of heating performance, Mitsubishi Electric employs a “flash injection” procedure, a proprietary technology. A heat pump’s refrigerant loop is designed to take in heat energy from the environment and release it within the building. A part of the refrigerant is diverted via a bypass circuit in the flash injection procedure.

The interior coil receives heated refrigerant that circulates back through the system.
The compressor is able to operate at higher speeds, resulting in efficient heat exchange, by injecting colder refrigerant back into it.
Heat pumps’ pressure, refrigerant flow rate, and operational capability often decrease in cold climes. Higher heating speeds for the compressor may be achieved at lower exterior air temperatures with variable-capacity heat pumps equipped with Hyper-Heating INVERTER® (H2i®) technology without stressing the unit or risking long-term damage to the compressor. They are genuine heat pumps for cold climates, with a heating capacity of one hundred percent down to five degrees Fahrenheit. Consequently, homeowners in any environment may enjoy the following advantages of INVERTER-driven, variable-capacity heat pumps thanks to this advancement:

When the external temperature drops below zero, INVERTER-driven heat pumps automatically readjust to maintain a comfortable inside temperature, whereas conventional heat pumps face uncomfortable and dramatic temperature changes.
Reduce Your Energy Bill By Only Using What You Need: Zoning systems powered by INVERTERs supply your space with just as much warm air as is required to maintain the set temperature.
High rotation rates of INVERTER-driven systems allow for rapid and effective cooling and heating, whereas traditional systems take a long time to attain the appropriate temperature.
Consistent and regular energy consumption: conventional air conditioners’ power needs spike once their compressors go on. Variable-capacity heat pumps reduce initial current draw, minimizing energy consumption at start-up.
Before now, electric, variable-capacity heat pumps were not available to homeowners in extremely cold or hot regions. They had to rely on electric baseboard heaters, propane heaters, and other old, inefficient, fossil fuel–burning equipment for many years. Those times have long since passed. Independent research, like a recent field study conducted and published by the Minnesota-based Center for Energy and Environment (CEE), keeps proving that heat pumps are the best option for year-round indoor comfort, regardless of the outdoor temperature.


If you’re looking for a way to keep your house comfortable and energy efficient all year long, a heat pump may be the way to go. Previous versions of these systems, which first became popular in the 1970s, were primarily regarded for warmer climates. All except the coldest regions of the world may benefit from the high efficiency heating and cooling that modern heat pumps, and notably variable speed mini-split heat pumps, provide. Both ducted and ductless interior air handler options are part of the system, as is a condenser unit located in the outside of the building.

The outdoor unit of a heat pump draws heat from the surrounding air and transmits it to the inside unit via a refrigerant to be used for heating. Once it reaches the indoor coil, the refrigerant’s temperature has been greatly raised due to compression. Using a fan, air is blown over the heated coil and into the room. When compared to traditional heating methods like burning fossil fuels, this method produces no harmful byproducts and is considerably healthier for the environment. In air conditioning, the indoor evaporator unit acts as a heat sink, sucking heat out of the space and transferring it to the outside compressor. The vapor condenses back into a liquid, which is cooled further and then recirculated to the indoor unit’s coil. The fan pushes air over the chilly coil, creating a cooling effect.

Mitsubishi Electric’s Zoned Comfort Solutions® mini-split heat pumps are a popular heating and cooling option because of their easy maintenance and customization options. Differentiating factors of Mitsubishi Electric’s

The use of inverter technology improves both convenience and efficiency.
The INVERTER-driven compressor technology utilized by Mitsubishi Electric’s mini-split heat pump systems allows for highly tailored, as-needed temperature control. The heat pump’s beating heart is the compressor, which is powered by an inverter. In the same manner that your heart rate remains constant at all times, but increases during vigorous activity, the INVERTER compressor operates incessantly, automatically changing its speed and capacity to maintain the desired temperature in each zone (or specified area). This style of operation saves money on utility bills since it uses only as much electricity as is necessary to provide optimal comfort.

The compressor in many traditional central systems operates at either full capacity or no speed at all. The comfort level in your house and the cost of your utilities may suffer as a result of drastic temperature changes and energy waste caused by this.


Even in freezing areas, today’s heat pumps can keep your family comfortable and help protect your home’s value. No need to fret if you happen to reside in a region that often experiences subzero temperatures. Hyper-Heating INVERTER® (H2i®) technology is available on heat pump systems from Mitsubishi Electric, allowing them to reach their full heating capability at 5 degrees Fahrenheit and continue running without additional heat down to -13 degrees Fahrenheit. H2i plusTM technology from Mitsubishi Electric allows for some models to maintain a full heating capability at temperatures as low as -5 °F. High-performance heat pumps from Mitsubishi Electric are an effective and ecologically friendly alternative to conventional heating systems, which rely on fossil fuel burning furnaces and boilers to deliver heating.


The ability to save money on monthly energy costs is a major selling point for heat pump systems. Heat pumps reduce the overall cost of ownership and monthly utility bills since the compressor is operated by an INVERTER, which is more efficient than traditional methods. Instead of leaving the air conditioning on full blast for the entire house, as is the case with traditional central systems, you can save money and energy with our Zoned Comfort Solutions by turning off the zones that aren’t in use. By controlling the heating and cooling of individual zones depending on factors like occupancy, you may significantly cut down on utility bills.

Utilities providers are also aware of the environmental benefits associated with installing an electric heat pump. They’re prepared to offer incentives to households who make the decision to stop using fossil fuels. You may get financial aid for installing a heat pump by using our rebate finder.

Heat pumps have been around for quite some time, but the modern, high-performance, all-electric types are a huge step forward in terms of home comfort, energy efficiency, and ecological consciousness.