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Geothermal HVAC System | Heating and Air Conditioning

Daniel Molina - Friday, May 29, 2015
Geothermal heating & air conditioning

Geothermal HVAC System | Heating and Air Conditioning

Geothermal HVAC systems are earning a growing share of the HVAC market in the U.S. There are reasons why homeowner's owners select a geothermal system despite the initial higher cost. If you are considering installing the system, the following may assist you in determining if geothermal technology is the best fit for your home's heating and air conditioning.

How it Works

A geothermal system uses the energy of the Earth's underground temperature to heat or cool your home. Underground, approximately 4-6 feet or deeper, the ground maintains a constant temperature throughout the year, typically between 45F and 65F. During the winter the underground temperature is warmer than the surface and in the summer it's significantly cooler.

Pipes are buried at a determined specific depth and filled with water, antifreeze or other liquid medium used as a preconditioned refrigerant that is either heated up or cooled down in the heat pump, depending on the time of the year. By using a refrigerant with a preconditioned temperature you can experience greater energy efficiency in any weather.

Clean, Green and Safe

Unlike gas heating, the geothermal heat pump operates cleanly using electricity. More than 1 million residential geothermal heat pumps are currently installed in the U.S., with more than 60,000 units installed in the U.S. each year.

Environmental Impact

Geothermal heat pumps currently in use offer positive influences on the environment:

  • 40 trillion BTUs of fossil fuels saved each year and growing as more are installed
  • 1.6 million metric tons of carbon are eliminated each year and counting
  • 8 million kWh of power are saved each year
  • More than 5.8 million metric tons of CO2 are eliminated each year
  • Reduces the need for electrical generation by 2.6 million kW each year and growing

Great Choices Affect Us All

To place these statistics in a different perspective, the current number of geothermal heat pumps in service today is the equivalent of:

  • Planting more than 385 million trees, and adding almost 240,000 trees each year
  • Reduced consumption of foreign fuels by 21.5 million barrels of crude oil annually
  • Removing 1,295,000 automobiles from the road to date, with the number growing by 77,700 each year

Superior Life Span

With proper maintenance, a geothermal heat pump will on average last for 25 years, while the underground components have an expected lifespan of 50 years under normal conditions. This is more than double any other heating and air conditioning system.

An Investment That Continues to Give

A geothermal heat pump is an investment with energy savings that begin immediately and continue to give for the long lifespan of the system. While the initial investment is higher than conventional air sourced heat pumps, the energy savings can offset the costs of the installation over a reasonable period of time. Furthermore, with tax credits and rebates, the return on your investment can potentially be in as little as 3-5 years.

Geothermal systems save up to 70% on the heating bills and 40% on air conditioning costs when compared to even the most energy efficient conventional heating and air conditioning systems.


The geothermal heat pump system installation is higher than air source heat pumps due to the need to install a ground heat exchanger. However, it is this connection beneath the earth that enables the system to yield up to 4 kilowatts of heat for every 1 kilowatt of electricity consumed.

It is essential to ensure the installer is an HVAC technician with ample experience, and proficiency in geothermal installation. Experience and knowledge of the technology is a primary factor in ensuring your satisfaction and the performance of the geothermal heating and air conditioning system.

As with any heating and air conditioning system, the geothermal system size must match the home's requirements to prevent short cycling and premature wear on components. A geothermal system is only as good as the skills, experience and knowledge of the installer.


While the required maintenance of geothermal heat pumps is minimal in comparison to other heating and air conditioning systems, some maintenance is necessary to ensure that the system provides the energy efficiency and comfort it is popular for.

If you are considering the installation of a geothermal heating and air conditioning system, 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, as well as other types of HVAC systems, repair and maintenance. We serve Dallas, Plano and the surrounding areas. We are a member of the BBB with a consistent A+ rating.

Repair or Replace | Air Conditioning Repair, Plano, TX

Daniel Molina - Monday, May 25, 2015
Air Conditioning Repair, Plano, TX

Repair or Replace |Air Conditioning Repair, Plano, TX

If you're wondering whether to repair or replace a home's heating and air conditioning system, the following information can assist you in the decision. A system that should be replaced is often affected by certain factors, such as age, and exhibits signs that it's past its prime. With summer just around the corner with temperatures already rising, if another summer of frequent calls to a technician for air conditioning repair in Plano, TX appears to be developing, and the following sound like your system, it may be time for replacement if:

  • The HVAC system is greater than 10 years old - A system purchased today will have a higher efficiency than one just five years old. Purchase an HVAC system that has earned the Energy Star label. When proper installation and when sized correctly for the home, today's high efficiency systems can save up to 20 percent on the cost of heating and air conditioning.
  • The HVAC system needs frequent repairs and the cost of operation is increasing – A decline in efficiency is common in worn systems as they age. Proper maintenance throughout its lifespan will assist in maintaining efficiency and reliability, though there comes a time when wear takes its toll on all HVAC systems, and breakdowns occur more often, resulting in increased heating and/or air conditioning repair in Plano, TX. Lost efficiency is a common sign that it's time to replace a worn out system.
  • The home has rooms that are too hot or too cold – While duct problems and inadequate insulation may cause this, improper operation and performance of HVAC equipment can also be a cause as components weaken with wear.
  • Your home has uncomfortable humidity problems - Poor equipment operation, inadequate equipment, and leaky ductwork can cause the indoor environment to be excessively humid in the summer.
  • Excessive dust - Leaky ducts can pull particles and air from attics, crawl spaces and basements and distribute them throughout the home. Sealing the ducts may be a solution. However, HVAC systems that have been poorly maintained can result in dirty ducts and poorly operating components. If you have scheduled air conditioning repair in Plano, TX, discuss the system's efficiency and projected remaining lifespan with your HVAC technician.
  • Noisy operation – Unusual noise may be due to worn parts or loose components

Age and the lack of maintenance are factors that can adversely affect the HVAC system. You can't avoid aging, though you can ensure proper maintenance. Purchasing an energy efficient HVAC system will provide advantages the existing system doesn't offer such as the following:


Modern systems provide a more even distribution of temperature throughout the home. This is possible through multi-stage compressors and variable speed blowers that adjust to the output that is required. The technology provides quieter operation, significant energy savings, increased comfort and reduces wear and tear on the affected components, resulting in the need for less heating and air conditioning repair in Plano, TX.

Energy Efficiency

The installation of a high energy efficient system can save significantly on the energy bill. Select an Energy Star rated system for potential tax credits, improved comfort and greater reliability with reduced heating and air conditioning repair in Plano, TX.

Quieter Operation

Today's systems operate quieter and require less space.

Technological Advances

Today's systems offer advanced technology, both in the systems engineering, and the features offered. For even greater benefits, consider installing a programmable thermostat, or a smart thermostat. Smart thermostats offer a number of ways to save energy. If you need to adjust the thermostat when away from home, a smart thermostat controlled by Wi-Fi enables adjustment using a smartphone, tablet or computer. You can even receive reports on how much energy has been saved.

Today's technology assures a comfortable home and makes it easier than ever before to save on energy. With so many advanced features to select from, there has never been a better time for installation.

Finally, an additional consideration in the decision between repair or replace, is the cost of repair. It's generally recommended to replace a system requiring heating or air conditioning repair in Plano, TX of greater frequency than once per year when the cost of repair exceeds 25% of the purchase of a new system.

If you require further assistance in the decision to repair or replace, give us a call, we will be glad to help you. Garland Heating and Air Conditioning professionals strive to exceed your expectations. In order to maintain our standards of excellence around the clock, our certified technicians offer 24 hour emergency service so we can be there for you. Give us a call when you need heating or air conditioning repair in Plano, TX or in Dallas and the surrounding areas. We are a member of the BBB with an A+ rating.

Heat Pump | AC Repair Dallas

Daniel Molina - Friday, May 22, 2015
Heat Pump | AC Repair Dallas

Heat Pump | AC Repair Dallas

A heat pump is ideal for warmer climates requiring minimal heating. For homeowners considering their options for replacing an aging HVAC system requiring frequent heating and AC repair in Dallas, a heat pump may be the solution you are looking for.

A heat pump uses electricity to move heat, and in the heating mode can deliver up to four times the amount of energy consumed to create it. This enables a heat pump to reduce a home's energy consumption, resulting in reduced electric bills during the air conditioning season.

Air-Source Heat Pump

The most common type of heat pump is the air-source heat pump. It uses refrigerant to extract heat from the air, providing heat in the winter and cold dehumidified air during the summer through the use of a reversing valve.

When properly sized and installed by a qualified HVAC technician, an air-source heat pump can provide efficient heating and air conditioning for a home. The installer's qualification is essential in a quality installation and proper sizing. When a unit is improperly sized too small for the home, it can result in the system being overworked, and result in early wear on components and the frequent need for heating and AC repair in Dallas.

On the other hand, an oversized unit can cause short cycling, enabling the humidity to rise to unhealthy and uncomfortable levels. HVAC systems are frequently oversized, highlighting the importance of not only a licensed and qualified installer, but also one who assesses the home properly by calculating factors such as the number of windows, the direction they face, their insulating quality, and other factors.

Signs it's Time to Replace

In addition to the requirement of frequent heating or AC repair in Dallas (more than once per year), signs that indicate a worn HVAC system in need of replacement are a musty odor, water leaking on the floor, reduced performance and increased energy consumption. While there are other potential causes, they can indicate a worn system that should be replaced.

Heat pumps have changed over the years, and environmental concerns and legislation has resulted in a trend for consistently improved energy efficiency. Modern versions offer efficient options such as two stage compressors, quietly operating scroll compressors, variable speed fans, and desuperheaters that produce hot water from the excess heat produced by the heat pump.

Energy Star qualified equipment provides greater energy efficiency than a five year old system, as well as being more reliable than equipment lacking the Energy Star. Reliability reduces the need for frequent AC repair in Dallas and when coupled with the energy savings, a system can potentially pay for itself.

Heat pumps operate cleanly, and are an ideal solution for persons with allergies, asthma and other respiratory issues. When a high grade filter such as a HEPA filter is utilized, the system achieves greater ability for providing cleaner air throughout the home.

Heat Pump & Air Conditioning Maintenance

Annual maintenance will maintain the proper operation and efficient performance of a heat pump. Efficiency is lost in heat pumps (and other HVAC systems) not receiving annual maintenance. The cost of operating a system lacking maintenance vs. the cost of a well maintained system is as much as 25% more. Furthermore, the lack of maintenance significantly reduces the lifespan, and increases the need for heating and AC repair in Dallas.

In addition to maintenance, the single most important factor in the care of any HVAC system is changing the filter monthly or as recommended by the manufacturer is an essential factor in performance. Dirty filters will result in dirty coils, ducts and fans, and decreased performance. Consequently, the frequency of heating and AC repairs in Dallas will also increase, raising costs beyond an annual service and maintenance call.

In addition, ensure the use of the manufacturer recommended filter. The use of a non-approved filter can result in premature wear, or even the potential for overheating and damage to the system and the need for replacement or AC repair in Dallas.

Garland Heating and Air Conditioning's NATE certified HVAC technicians provide exceptional service and are dedicated to your satisfaction. Our reliable professionals offer heating and AC repair in Dallas, installation, and more. If you are considering a heat pump installation, give us a call for a free estimate. We serve Dallas, Plano and the surrounding areas, and are a member of the BBB with an A+ rating.