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Mitsubishi Heat Pump with Inverter Technology with a Family on the Background

Mitsubishi Heat Pump with Inverter® Technology

Heat pumps are not new technology. Before central HVAC was in every Houston building, most homes had a heat pump. Heat pumps of the mid-twentieth century were a convenient and welcome respite from the Texas heat, but they were also noisy, inefficient, and, when it came to performance, left much to be desired. Plus, they had to source their heat from the ground around their home, presenting its own challenges.

More than half a century later, heat pumps are back in a big way, and Nick’s Air Conditioning is pleased to offer the complete line of Mitsubishi Electric heat pumps.

Why Are Heat Pumps Popular Again?  

Heat pumps –also called mini-splits—are energy-efficient heating and cooling systems that run solely on electrical power—no need for natural gas, heating oil, or propane. Just connect your Mitsubishi Electric heat pump to your home’s 110 or 220-volt AC power supply and enjoy individualized comfort in every room of your home (when installing a multi-zone system).

Heat pumps are a simple solution to add heating and air conditioning to attics, garages, a home office, an add-on bedroom, or even an outdoor structure like a ‘she-shed’ or ‘man-cave.’ Need to renovate a historic home in the Heights or Montrose and don’t want the hassle of installing ductwork for a central HVAC system? Mitsubishi Electric heat pumps are the perfect solution.

The re-emergence of the heat pump is thanks to decades of improvement on what was once a clunky, energy-wasting metal box in the attic. Today’s heat pumps are air sourced, with a small, quiet compressor unit installed outside the house, within 25 feet of the indoor air exchanger unit. The air exchanger contains the blower motor, fan, and control panels and is mounted on any outdoor facing wall. The only modification to your home that needs to be made is a 3” hole in the exterior wall where the air exchanger will be installed.

This simple system allows for much greater efficiency than any whole-house HVAC setup, as you can select the comfort level of each room individually. 

How Does a Mitsubishi Heat Pump Work?

In heating mode, the outdoor heat pump absorbs heat energy from the outside air and transfers it to the inside unit via the liquid refrigerant that travels between the two units. The refrigerant is compressed (pressurized), which raises its temperature significantly by the time it reaches the indoor heat exchanger. Here, the fan blows air over the heated copper coils to deliver warm air to the room. 

While air conditioning, the process reverses; the indoor evaporator unit absorbs and sends the room’s heat energy to the outdoor unit compressor. The vapor is condensed back into a cold liquid that cools and returns to the indoor unit coil. The fan blows across the cold coil to provide cool air.

When it’s time to use the heat, the process is reversed, and the refrigerant in the outdoor unit absorbs heat from the air outside the home and transfers that heat to the indoor unit.

What Makes Mitsubishi Electric Heat Pumps Different?

Efficiency, Performance, and Quiet Operation.

Compared to conventional central HVAC systems, Mitsubishi Electric mini-split heat pumps are 40% more energy efficient. Their all-electric heating and cooling systems offer unmatched performance, with models providing anywhere from 9,000 to a whopping 48,000 BTU output. Mitsubishi Electric mini-splits are remarkably quiet, with outdoor units measuring an average of 45 decibels (dB), compared to outdoor HVAC units that often generate between 70 and 80 dB.

Achieve Complete Control of Your Comfort with kumo cloud® Technology!

Mitsubishi Electric heat pumps offer complete system control via the control panel on the air handler unit or remotely via the kumo cloud® app. Adjust room temperature, set up on-and-off-cycle scheduling, receive alarms, and pair it with Alexa or Google Home to expand control further.

INVERTER® Compressor Technology is a True AC Innovation.

Saving the best for last, Mitsubishi Electric heat pumps are powered by their patented, exclusive Hyper-Heating INVERTER® compressors, using the most advanced technology. Mitsubishi Electric heat pump can deliver incredible heating performance, generating 100% heat capacity with an outdoor temperature down to -5°F. Your home will no longer need supplemental heating and cooling solutions like space heaters and in-window air conditioners to assist a central HVAC system with poor air circulation.

How Does Mitsubishi Inverter® Technology Work?

Your old-school central HVAC system is entirely inefficient in how it heats and cools your home, pumping money out of your ductwork. This is a symptom of the single-speed compressor motors that have been standard since the introduction of air conditioning. With a single-speed compressor system, your air conditioner or furnace has two settings, full-blast or nothing at all.

Mitsubishi’s INVERTER-Driven compressor heat pump technology delivers precise, on-demand heating and air conditioning thanks to its variable-speed motor. The operation of an Inverter-Driven compressor system can be compared to a car in Cruise Control mode. When using your cruise control, a smaller amount of energy is used to maintain a constant speed, whereas continuous speeding up and slowing down wastes a more significant amount of fuel.

In an INVERTER® system, instead of liquid refrigerant flowing in a continuous loop, collecting heat from outside and transferring it indoors. In a process Mitsubishi Electric calls “flash injection,” a bypass circuit is inserted into the refrigerant line to allow for re-routing the refrigerant to two places. Sensors monitor the refrigerant temperature and automatically route hot refrigerant back indoors to enhance heating and maximize efficiency. The cooler portion of the refrigerant is sent back to the compressor, which allows it to run at faster speeds, resulting in high-performance heat exchange.  

Where Can I Install Indoor Air Handlers? 

Mitsubishi Electric offers several options for indoor air handlers, and most are installed on an exterior wall within 25 feet of the outdoor unit. There are options for ducted units that can be ceiling mounted or hung on an interior wall with no outdoor access.

Work Your Way Up to a Whole-House Mini-Split System!

Heat pumps allow for control of the comfort of your home one room at a time without making your existing HVAC obsolete. Does your home have one or two rooms that are just a little “too cold” every winter? Installing a single-zone mini-split heat pump can help even out the comfort level of your home and save on energy bills by maintaining a consistent temperature.

You can connect as many as five indoor units to a single outdoor compressor unit, so adding more air handlers at a later date is a snap. Installing a Mitsubishi Electric heat pump can also save you money at tax time, thanks to tax credits and rebates available to homeowners for installing more energy-efficient HVAC equipment.

For Mitsubishi Electric Mini-Split Heat Pumps, Nick’s AC Has You Covered!

Nick’s Air Conditioning is pleased to be partnered with Mitsubishi Electric Trane, and we only sell HVAC products offered by either Trane Technologies or Mitsubishi Electric. Why? Quality and value. Sure, you may pay a little bit more for the name. Still, that extra cost for the highest quality HVAC equipment is more than offset by the reliability, performance, efficiency, and overall satisfaction you’ll receive.

Curious about how a single-zone or multi-zone mini-split heat pump may be right for your home? Call the experts at Nick’s Air Conditioning today to schedule an appointment for an HVAC assessment. Our licensed, experienced technicians are standing by to help guide you through the process and to make your home more comfortable than before we arrived.


Very good experience. My technician Anthony P. was very open with ideas for problem solving. On time service. Good communication system. Very professional work. All done very neatly and timely as proposed. Very satisfied and have shared my experience with others as Nick’s should be their go to company.


Antoine G. (2021)


I called Nick’s Plumbing to complete a natural gas line replace and repair job after being frustrated with the incompetence of the supposed “expert” plumbers in West University Place. Nick’s employees were knowledgeable, friendly, and professional. They finished a job in a day that the prior company could not complete in a week – and at a much lower cost. Many thanks!


David T. (2021)


Called on Saturday around 11 am and they were onsite within an hour to help get our domestic pumps up and running for 200+ apartment homes. Fantastic service, communication, and personnel. Pricing was very reasonable too.


Christopher Y. (2021)

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