Why Is My Heat Pump Blowing Cold Air?

February 15, 2024

Why Is My Heat Pump Blowing Cold Air? With the cooler temperatures experienced during the winter, your heat pump should be able to provide reliable warmth all through the season. However, circumstances may lead to your heating pump blowing cold air while it’s in heat mode. This can be unpleasant and make your home uncomfortable during the winter. There are various factors why your heat pump isn’t working; the problems can need simple or complex fixes that require a professional to handle. Below are some various reasons why your heat pump is blowing cold air. Your Heat Pump Is in Defrost Mode A heat pump can generate warm and cold air during different stages of compression and condensation. During the winter, a drop in the outside temperature could lead to freezing of your pump’s outdoor unit. The defrost mode enables the system to thaw the ice from the outdoor unit. This mechanism allows the system to direct the hot air toward the outdoor unit to melt any accumulated ice that would damage the system if manually removed. Since the defrost mode works like the cooling mode, the system will likely blow cold air inside your home. Once all the ice...

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The Benefits and Limitations of Heat Pump Use in Winter

December 18, 2020

The Benefits and Limitations of Heat Pump Use in Winter Manufacturers build reversible mechanical systems within heat pumps so that they can provide either heated or cooled air. The reversibility function means that in cold weather your heat pump can extract heat energy from outdoor air and move it into your home. On the surface, the notion that cold outdoor air has heat energy to offer feels difficult to believe. However, the depressurization of refrigerant moving through the heat pump lowers its temperature below the outdoor air. This allows the refrigerant to draw heat from the slightly warmer external air. Pressurization and Depressurization Placing refrigerant under pressure increases the temperature of the refrigerant because the molecules are crowded and colliding with each other and producing heat energy. Alternatively, reducing pressure on refrigerant gives the molecules space to spread out and therefore cool down. The reversing valve within a heat pump controls whether pressurized or depressurized refrigerant is moving into the outdoor unit. In the winter, the heat pump moves depressurized coolant outside. Because depressurization has caused the refrigerant’s temperature to drop, it cools the coil outside. As long as the cooled coil achieves a lower temperature than the outside air,...

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Why You Shouldn’t Neglect Your Heat Pump in the Summer

September 1, 2017

Many people are under the wrong impression that the cooling and heating systems need attention only in particular seasons. In the view of many, an air conditioner is used during summer and has to be serviced just before the onset of the season. Similarly, they feel that the heater can be neglected in the summertime as it is out of use. The truth is that it is absolutely necessary to take care of your HVAC system throughout the year. In fact, proper maintenance in one season can prepare your system to function optimally in the coming season. Does Your Heat Pump Need Attention During the Summer? Yes, it is very important to take care of your heat pump during the summer months. Here are some reasons why you should not neglect your heat pump even when the days are warm: A delay in repairs may lead to further problems. If you ignore the warning signs the situation may become worse. Last-minute repairs may be expensive. It may not be possible to get assistance immediately and you may have to remain on the waiting list for some time. It may take a longer time to repair defects which have been there...

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How Ductless Heat Pumps Work

October 9, 2015

How Ductless Heat Pumps Work? It is estimated that a ductless heat pump can save you up to 40 percent on your energy bills! The use of ductless heat pumps in St. Louis area homes and offices is a relatively new trend. Previously, almost all heating and cooling systems would have some ducts. While ducts help achieve uniform heating and cooling throughout the entire home, they generally consume more energy than the ductless systems consume. In fact, a heating or cooling system may lose around 15 to 20 percent of its efficiency while the hot or cool air flows through the pipes to the ducts. This means that using ductless heat pumps will help you save a lot on your energy bills. A ductless heat pump system comes with an outdoor and an indoor unit. The outdoor unit contains the compressor or condenser, while the indoor unit consists of air handlers that are installed in the areas to be cooled or heated. You will also find portable floor units that do not require installation. The outdoor unit is connected to the indoor unit with conduits, which contain condensate drains, refrigerant tubing, power cables, and suction tubing. The indoor unit works...

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How to Operate and Maintain Your Heat Pump

November 13, 2014

Proper maintenance is the key to efficient and effective operation of all HVAC systems. Your air conditioning system and heat pump are important investments that you make for your home; they play a crucial role in ensuring your comfort during harsh weather conditions. So, it is extremely important to take all possible steps to ensure that they work at their peak capacity and do not break down when you need them the most. Maintaining Your HVAC System HVAC system repairs can be quite expensive and replacement can be even more expensive. Take proper care of your system to make sure that they serve you for years without requiring any expensive repairs. There are some simple things that you can do to maintain your HVAC system. With winters already upon us, most homeowners want to know how they can operate and maintain their heat pump properly to get the best performance out of it. Maintaining the Heat Pump Proper operation of the heat pump not only ensures efficiency but also saves energy. St. Louis HVAC experts recommend that one should not set back the thermostat if it causes the backup heating to switch on. Remember, back up heating systems are more expensive to operate. Also, if you operate the...

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What Is A Ground Source Heat Pump?

September 26, 2013

Ground source heat pumps utilize the solar energy that is stored in the earth. The earth has a fairly constant temperature and can be used to provide hot water, as well as heating and cooling for either commercial buildings or residences. Ground source heat pumps are electrically powered. What do they do? Ground source heat pumps can provide space heating, cooling, and hot water for a home or business through the one system. There is a thermostat located indoors and to switch from one mode to another you simply adjust the thermostat. How do they work? Ground source heat pumps use either open or closed loops that can be installed in three different ways. Determining which choice you should go with (horizontal, vertical, or rock/pond installation) depends on your location and the surrounding land. Open-loop systems and closed-loop systems operate in similar ways. Closed-loop systems use either antifreeze or a water solution that circulates through pipes made of plastic buried underground. Then during winter months, the solution is used to collect heat from the earth and then circulate it back to the home or building. During warmer months the system is reversed and the solution takes the heat out of...

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Why Use Geothermal in Your Home or Business?

August 21, 2013

The Benefits of Using a Geothermal Heat Pump Geothermal heat pumps are ground source heating/cooling systems that use solar heating to provide energy. They get their heat from the sun and are energy-efficient, as well as a cost-efficient, system for heating and cooling your home or business. They provide year-round reliable heating and cooling and provide energy-saving opportunities. The EPA has reported that compared with other air-source heat pumps or electric resistance heating, the use of geothermal heat pumps reduces energy consumption and emissions by 44% and 72%, respectively. Cost and Maintenance There are multiple benefits to a geothermal system. These include a very high efficiency, which in turn reduces the cost of the system and the need for maintenance. Installation costs are competitive and once the system is installed, it requires a very minimal amount of maintenance and does not require a high cost of operation. In fact, in the heating and cooling world, geothermal systems are some of the most cost-efficient. Water source heat pumps are among the easiest to maintain. And because maintenance is so easy, the owner of the system is not saddled with the extra cost of finding a specialist to work on it. It...

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