A heat pump is part of a heating and cooling system and is installed outside your home. Like an air conditioner, it can cool your home, but it’s also capable of providing heat. In cooler months, a heat pump pulls heat from the cold outdoor air and transfers it indoors, and in warmer months, it pulls heat out of indoor air to cool your home. They are powered by electricity and transfer heat using refrigerant to provide comfort all year round. Because they handle both cooling and heating, homeowners may not need to install separate systems to heat their homes. In colder climates, an electric heat strip can be added to the indoor fan coil for additional capabilities. Heat pumps do not burn fossil fuel like furnaces do, making them more environmentally friendly.
Heat pumps do not create heat. They redistribute heat from the air or ground and use a refrigerant that circulates between the indoor fan coil (air handler) unit and the outdoor compressor to transfer the heat.
In cooling mode, a heat pump absorbs heat inside your home and releases it outdoors. In heating mode, the heat pump absorbs heat from the ground or outside air (even cold air) and releases it indoors.
The two most common types of heat pumps are air-source and ground-source. Air-source heat pumps transfer heat between indoor air and outdoor air, and are more popular for residential heating and cooling.
HOW DO AIR-SOURCE HEAT PUMPS WORK?
1. AMBIENT AIR
Heat is extracted from the ambient air.
2. REFRIGERANT IN TUBES
As the ambient air is pulled through the evaporator, refrigerant is circulated through the evaporator.
This raises the temperature of the refrigerant and turns the liquid refrigerant to gas.
4. CONDENSED REFRIGERANT
The hot gas is then passed through a condenser where the heat is passed onto water.
5. EXPANSION VALVE
Once the heat has been removed the hot gas turns back into a liquid to start the cycle again.
Ground-source heat pumps, sometimes called geothermal heat pumps, transfer heat between the air inside your home and the ground outside. These are more expensive to install but are typically more efficient and have a lower operating cost due to the consistency of the ground temperature throughout the year.
HOW DO WATER / GROUND SOURCE HEAT PUMPS WORK ?
Heat pumps are more common in milder climates, where the temperature does not typically drop below freezing. In colder regions, they can also be combined with furnaces for energy-efficient heating on all but the coldest days. When the temperature outside drops too low for the heat pump to operate effectively, the system will instead use the furnace to generate heat. This kind of system is often called a dual fuel system – it is very energy efficient and cost effective.
Major components of a heat pump system:
1748: William Cullen demonstrates artificial refrigeration.
1834: Jacob Perkins builds a practical refrigerator with dimethyl ether.
1852: Lord Kelvin describes the theory underlying heat pumps.
1855–1857: Peter von Rittinger develops and builds the first heat pump.
1877: In the period before 1875, heat pumps were for the time being pursued for vapour compression evaporation (open heat pump process) in salt works with their obvious advantages for saving wood and coal. In 1857, Peter von Rittinger was the first to try to implement the idea of vapor compression in a small pilot plant. Presumably inspired by Rittinger’s experiments in Ebensee, Antoine-Paul Piccard from the University of Lausanne and the engineer J.H. Weibel from the Weibel-Briquet company in Geneva built the world’s first really functioning vapor compression system with a two-stage piston compressor. In 1877 this first heat pump in Switzerland was installed in the Bex salt works.
1928: Aurel Stodola constructs a closed loop heat pump (water source from Lake Geneva) which provides heating for the Geneva city hall to this day.
1937-1945: During and after the First World War, Switzerland suffered from heavily difficult energy imports and subsequently expanded its hydropower plants. In the period before and especially during the Second World War, when neutral Switzerland was completely surrounded by fascist-ruled countries, the coal shortage became alarming again. Thanks to their leading position in energy technology, the Swiss companies Sulzer, Escher Wyss and Brown Boveri built and put in operation around 35 heat pumps between 1937 and 1945. The main heat sources were lake water, river water, groundwater and waste heat. Particularly noteworthy are the six historic heat pumps from the city of Zurich with heat outputs from 100 kW to 6 MW. An international milestone is the heat pump built by Escher Wyss in 1937/38 to replace the wood stoves in the City Hall of Zurich. To avoid noise and vibrations, a recently developed rotary piston compressor was used. This historic heat pump heated the town hall for 63 years until 2001. Only then it was replaced by a new, more efficient heat pump.
1945: John Sumner, City Electrical Engineer for Norwich, installs an experimental water-source heat pump fed central heating system, using a neighboring river to heat new Council administrative buildings. Seasonal efficiency ratio of 3.42. Average thermal delivery of 147 kW and peak output of 234 kW.
1948: Robert C. Webber is credited as developing and building the first ground heat pump.
1951: First large scale installation—the Royal Festival Hall in London is opened with a town gas-powered reversible water-source heat pump, fed by the Thames, for both winter heating and summer cooling needs.
Heat pumps are one of the most efficient home heating solutions available. However, the initial cash outlay can come to be a disadvantage is making this choice. Listed below are some drawbacks to weigh in while choosing a heat pump.
Heat pumps can be a fantastic choice for your home in many ways. Listed below are some of the advantages you can get by installing a heat pump.
Mitsubishi Electric manufactures and markets electrical and electronic products and systems worldwide, including heat pumps. Their products are used in energy and electric systems, industrial automation, information and communication systems, electronic devices, and home appliances.
2.Daikin America, Inc.
Daikin America, Inc. is a worldwide manufacturer of air conditioning systems and chemical products, including heat pumps. It supplies air conditioning systems for offices, residences, restaurants, data centers, warehouses, hospitals, and marine applications. The company manufactures HVAC equipment, chemicals, oil hydraulics, and electronics and defense system products.
Carrier Corporation manufactures HVAC systems. Types of refrigeration systems include air-cooled condensing units, air-cooled gas coolers, compressor racks, multi-rack compressors, heating systems, heat exchangers, and heat pumps. The company serves residential and light commercial, commercial building and multi-level facilities, and refrigeration systems for food retail and transportation.
4.Johnson Controls, Inc.
Johnson Controls, Inc. manufactures refrigeration controls, specifically heat pumps that are available with rotary screw compressor, water heating condenser, plate heat exchanger, and ASME vertical accumulator. Suitable for poultry, dairy, and brewery applications.
5.Danfoss Power Solutions Co.
Danfoss Power Solutions Co. is a worldwide manufacturer and distributor of hydraulic, electrohydraulic, and electric products, including hydrostatic transmissions, open circuit products, orbital motors, steering components and systems, and heat pumps. Applications of hydrostatic transmissions include low and medium-powered vehicles such as aerial lifts, skid steer loaders, walk-behind rollers, and industrial forklift trucks and high powered vehicles. Types of valves include proportional valves, directional control valves, and HICs and cartridge valves. Applications of hydraulic controls include mobile equipment in agriculture, construction, material handling, road building, and specialty vehicles in forestry and on-highway. Their services include prototyping and field testing.
Ingersoll-Rand Company is a manufacturer of tools and equipment. Their products include air and electric power tools, material handling equipment, fluid handling products, vehicle service tools and dispensing systems. Their markets served include aerospace, textile, pharmaceutical, special machine, vehicle service, government, automotive production, warehousing, electronics, transportation, manufacturing, construction, and agriculture.
7.NIBE Industrier AB
NIBE Industrier AB manufactures heating technology products for household and commercial use, including heat pumps, boiler and water heaters, electrical heating elements, and freestanding fireplaces.
source: carrier.com– ecowatch.com– vecteezy.com– allrenewableenergy.co.uk– wikipedia.org– youtu.be– greenmatch.co.uk– themomentum.com– thomasnet.com– mitsubishielectric.com– daikin-america.com– johnsoncontrols.com– carrier.com– danfoss.com– ingersollrand.com– nibe.com–
Parsaland Trading Company with many activities in the fields of import and export, investment consulting, blockchain consulting, information technology and building construction