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How Does a Ductless Heat Pump Work?
Posted On: November 28, 2023
A ductless heat pump, also known as a mini-split system, is a type of heating, ventilation, and air conditioning (HVAC) system that provides both heating and cooling to a building without the need for traditional ductwork. Here's a basic overview of how a ductless heat pump works:
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Components:
- Outdoor Unit (Condenser): This unit is installed outside the building and contains the compressor, condenser coil, and a fan. It is responsible for releasing or absorbing heat, depending on whether the system is in cooling or heating mode.
- Indoor Units (Evaporators): These units are installed inside the building and are responsible for distributing conditioned air. Each indoor unit is connected to the outdoor unit by refrigerant lines.
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Refrigeration Cycle:
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Cooling Mode:
- The refrigerant in the system absorbs heat from the indoor air through the indoor unit's evaporator coil.
- The absorbed heat is then transported to the outdoor unit.
- In the outdoor unit, the compressor increases the pressure and temperature of the refrigerant.
- The refrigerant releases the absorbed heat to the outdoor air through the condenser coil and the fan.
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Heating Mode:
- The refrigerant absorbs heat from the outdoor air in cold weather.
- The compressor increases the temperature of the refrigerant.
- The heated refrigerant is then circulated to the indoor units.
- In the indoor units, the refrigerant releases heat to the indoor air through the evaporator coil.
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Distribution of Conditioned Air:
- Each indoor unit is equipped with a fan that distributes the conditioned air within the specific zone it serves.
- Ductless systems can have multiple indoor units connected to a single outdoor unit, allowing for zoned heating and cooling. This means different rooms or areas can be conditioned independently.
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Zoning and Individual Control:
- One of the advantages of ductless heat pumps is the ability to create multiple zones with individual temperature controls. Each indoor unit can be controlled independently, allowing for personalized comfort and energy efficiency.
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Energy Efficiency:
- Ductless systems are often more energy-efficient than traditional HVAC systems because they don't experience the energy losses associated with ductwork. They can also be more efficient in mild climates.
In summary, a ductless heat pump works by transferring heat between indoor and outdoor units through a refrigeration cycle, providing both heating and cooling. The absence of ducts and the ability to create independent zones make these systems versatile and energy-efficient.
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See What Our Customers Are Saying:
Jan 1, 2015
Dave was great in helping me get the proper units for my property, as well as getting them installed. The installers arrived when they said they would, and completed the project on time, and professionally. If I needed another furnace, I would use Dave again.
Jan 1, 2015
I have known Greg and Grant Dainty for many years and have used their company for my house and business. I recommended them also for my parents and sister and they all have been very satisfied with the quality of work for a reasonable price. I just recently had them install a new HVAC system in an older house and was very pleased with their work. Craig in Pickering. After meeting with various heating and air conditioning contractors I was referred to Twin Tech Heating and Cooling through a family member. Greg and Grant arrived at my home and provided me with an estimate and a plan as to how they were going to remove and replace my furnace and air conditioner. On the day of install Greg and Grant arrived at my home on time and were very professional and extremely courteous as to any questions or concerns that I had. The removal and install was truly professional and the attention to detail was exactly what I was looking for. IÂ’ve seen many installs from other contractors and I couldnÂ’t be any happier to have had such a clean looking install. The sheet metal work, ducting and venting all look fantastic. Upon completion Greg and Grant left me feeling extremely happy and very fortunate of a job well done. Thanks again Twin Tech!!
Jan 1, 2015
My old furnace had finally broken down for the last time when contacted twintech to have a new furnace installedÂ…They were prompt, knowledgeable and very reasonably priced. They did such a great job i tell all my friends and family about this company.
Jan 1, 2015
To whom it may concern, I recently had TwinTech (Greg and Grant Dainty) replace my furnace and service both my gas fireplaces and air conditioning unit. They were professional, courteous and very fair in their pricing. I would gladly recommend TwinTech to anyone needing work done. I can be contacted at 905-626-XXXX.
Jan 1, 2015
My Fiancé and I have relied on Twintech Heating and Cooling now for the better part of the last 10 years. In that time, Greg has installed a furnace, an air conditioner, and a heat-pump at our residence in Toronto. In each instance Greg and his team were a pleasure to deal with. They were courteous and professional throughout the whole process and the quality of their work is first rate. Our experiences have always been extremely positive and we have referred his services numerous times to our friends and family. Without hesitation, I would recommend Greg and TwinTech Heating and Cooling to anyone looking to service or replace their existing heat/AC equipment
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