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AC Repair | AC Blowing Warm Air

Daniel Molina - Wednesday, September 02, 2015

AC Repair | AC Blowing Warm Air

Most people will agree air conditioning is no longer simply a luxury, but a necessity. Summers in the southern U. S. have always been hot and humid, but of late, they are brutal. Power outages or a broken AC is not an experience anyone wants to endure. Call Garland Heating and Air Conditioning for AC repair. When your AC goes out, or when the AC is blowing warm air, utilize the following tips:

Check the Thermostat

Ensure no one has changed the settings on the thermostat. It should be set to Cool, and the fan should be on Auto. If the fan is not on Auto, it will be running constantly, including when the compressor shuts off. This can result in what appears to be the AC blowing warm air. 

Check the Filter

An excessively dirty filter can result in a number of problems with the HVAC system. In addition, a dirty filter can cause dirt and debris throughout the system, from the coil to the ductwork. A dirty coil, indoors or out, can cause issues which can result in the AC blowing warm air. Change/clean the filter each month or as recommended by the system manufacturer. Dirty coils will require professional cleaning by your HVAC technician.

Check the A/C Unit’s Power

If the unit does nothing at all, and will not start up, verify it is receiving power. Check the AC circuit breaker in the home's electrical panel, and ensure the corresponding breaker has not tripped. If resetting the breaker does not restart the AC, go to the next step, or call Garland Heating and Air Conditioning for service.  

A power surge can cause a tripped breaker. However, if your electrical breaker is repeatedly tripping, it may indicate a serious problem with the system, or the home’s wiring. Depending upon the system, there may be an additional breaker located indoors or out. 

Outdoors, the service box will most likely be located near the condenser. On the indoor component of a split system, depending upon the system, a fan switch and breakers may be located inside the unit’s air handler. A tripped breaker will prevent the system from receiving power, while a tripped fan switch will prevent the fan from operating. You can turn them back on; however, if they continue to trip, you will need to call for service by a qualified HVAC technician

The Outdoor Condenser

Ensure nothing is blocking the outdoor condenser. Tall grass, objects within 2 ft. of the condenser, overgrown shrubs, and other objects will prevent adequate airflow and can cause poor performance, and can potentially damage the system.

Refrigerant Leak

A refrigerant leak is a common cause of the AC blowing warm air. If the system is low on refrigerant, ice is likely to form on components. Contact a Garland Heating and Air Conditioning technician for repair.

Garland Heating and Air Conditioning provides professional heating and air conditioning service. When the AC is blowing warm air our certified, and experienced HVAC technicians can provide the AC repair that you need. We serve Dallas, Plano and the surrounding areas, and are a member of the BBB with an A+ rating.

Geothermal HVAC System | Air Conditioning Installation

Daniel Molina - Monday, August 31, 2015

Geothermal HVAC System | Air Conditioning Installation

Considering the operation of HVAC systems and the hot water heater are the two top energy consumers in homes, it makes perfect sense that saving significant money is possible with energy efficient selections of these two appliances. Homeowner’s interested in reducing energy bills should seriously consider selecting Energy Star rated HVAC systems for heating and air conditioning installation. When high efficiency systems are compared, the geothermal HVAC system offers the highest efficiency.

While there are a number of energy efficient systems available, the geothermal heat pump offers the greatest savings. 

The Geothermal HVAC System

According to the Department of Energy, heating and air conditioning accounts for almost half of the energy consumed in the average home. Therefore, you can achieve the greatest impact in reducing energy bills by upgrading with a high-efficiency heating and air conditioning installation. The geothermal system is unquestionably the most efficient way to heat and cool a home, with the potential to save as much 70% on energy bills.

Outdoor temperatures vary and change with the seasons. However, underground temperatures remain constant. Depending on where you live, the soil temperature from 4-8 ft. beneath the surface, remains at a consistent 50 degrees. Ground source heat pumps circulate a liquid-based solution through an underground loop system, transporting existing heat, instead of creating it. As a result, they consume a fraction of the energy that other HVAC systems consume, and can significantly reduce your energy costs.   

An additional factor to consider when comparing the options for a new heating and air conditioning installation, is that geothermal systems also have a much longer life cycle (20-25 years), and the loop field can last up to 50 years.

How it Works

During the winter, the fluid circulating through the geothermal system’s earth loop absorbs heat from the consistent temperature underground, and carries it indoors. The indoor unit compresses the heat to a higher temperature and distributes it throughout the home. During the summer, the geothermal system pulls heat from the building and carries it into the earth loop, where it deposits the heat into the cooler earth.

Geothermal HVAC systems have three main components: the heat-pump unit, the liquid heat-exchange medium (open or closed loop), and the ductwork used for the air-delivery system.

Minimal Maintenance

Geothermal systems require little maintenance. The heat pump component of the system is installed indoors, protecting it from harsh weather conditions. Typically, periodic inspection, maintenance, and filter changes are the only required maintenance.

Geothermal Heating and Air Conditioning Installation and Repair

Installation of a geothermal system is typically more costly, primarily due to the excavation required for the ground loop system. However, the significant energy savings the system provides can pay for itself in a reasonable amount of time, and continue to save you money during its extended life span.

The geothermal system is technically a ground-sourced heat pump, and signs of a malfunction will be similar to those in any heat pump. Signs such as rising energy costs, the loss of heating/cooling, or coil icing for example. Leaks to the ground loop are rare, and when they do occur, it is typically in systems nearing or past the 50-year milestone. 

If you are considering geothermal heating and air conditioning installation, contact our certified professionals and we will provide you with the information you need to make an informed decision. Garland Heating and Air Conditioning's certified and experienced HVAC technicians offer the expertise required for the proper installation of a geothermal HVAC system, or other high efficiency HVAC systems. We serve Dallas, Plano and the surrounding areas, and are a member of the BBB with a consistent A+ rating.

AC Tips | Heating and Air Conditioning

Daniel Molina - Saturday, August 29, 2015

AC Tips | Heating and Air Conditioning

This summer appears to be gearing up as a hot one, and as the temperature rises, energy bills are climbing as well. The following AC tips can assist you in lowering your costs of cooling, while maintaining your comfort with your heating and air conditioning system. 

  • If your AC condenser, heat pump, or window unit is in the shade it will operate with approximately 10 % greater efficiency, saving you money on energy costs. However, if you construct a shelter over the outdoor component, it will require ample clearance to prevent damage due to restricted airflow. 
  • A general rule of thumb requires a minimum of 48 inches, or 4 feet of clearance above the unit. In addition, the outdoor unit requires a minimum of 2 feet between it, shrubs, walls, and other condensers to ensure adequate airflow. Failure to provide the minimal will result in a reduced compressor lifespan. Your Garland HVAC technician is the best source for information regarding adequate clearance for your air conditioning
  • When cutting grass, position the mower so the discharge chute does not discharge directly on the outdoor unit. In addition, seal the perimeter of window units thoroughly to prevent the cold air from escaping, and heat from entering. 
  • Changing/cleaning the filter once a month is a simple, and effective means of maintaining energy efficiency and reliability of the heating and air conditioning system. A dirty filter can increase the systems energy use by as much as 15 %, and can cause damage to the system as it struggles for ample airflow. Select a routine day each month to change or clean the filter (depending upon the type).
  • A programmable thermostat can reduce your energy bill by as much as 20 %. With a programmable thermostat, you can program it to suit your schedule, and never worry that you will forget to adjust it when you leave. When you are home, set the thermostat to 78 degrees. It will maintain your comfort, and save additional money.
  • A ceiling fan in occupied rooms will enable you to feel comfortable, though it does not change the actual room temperature. A ceiling fan cools you, not the room.
  • A dehumidifier installed in the heating and air conditioning system will remove excess humidity on days when the humidity levels are higher than the HVAC system can handle. Humidity causes you to feel hotter than the actual temperature indicates.
  • Purchase an Energy Star approved heating and air conditioning system to save on the cost of energy. An energy star system can save you as much as 20% on the cost of energy. Select a model with a variable speed fan and multi stage compressor.
  • Routine maintenance will ensure the air conditioning system performs optimally for the greatest efficiency, and performance possible.
  • Leaking ductwork can account for as much as 25 percent of your home’s cooling costs. Have a professional inspect your ducts and seal leaks.
  • Use a qualified HVAC contractor for installation. Improperly sized units and a poor installation can reduce the systems performance, efficiency, and lifespan. Garland Heating and Air Conditioning’s professionals will ensure the proper size, and the optimal performance with options available for your budget.

We hope you found our AC tips helpful. Contact Garland Heating and Air Conditioning to schedule service for problems with your heating and air conditioning system. Our technicians can diagnose the problem, and provide the repair that you need to restore your air conditioning comfort. Our certified HVAC technicians are trained, and experienced in providing professional quality installations and AC repair in Plano. We guarantee your satisfaction, and are a member of the BBB with an A+ rating.