Air Conditioner Lewisville, Texas

My Air Conditioner Is Frozen! What Happened?


A frozen air conditioner is a cause for concern. You want the unit to cool a room but not freeze up as this would hinder the A/C from doing its job properly. If it happens, then you have to get to the bottom of things. Learn what has happened so that you’ll know how to fix it. Here are a few of the things which are known to cause freezing:


Clogged Air Filters

Air filters prevent impurities from entering the system to improve air quality inside the room and keep the unit clean on the inside. They reduce the rate of air flow into the A/C but not by much. Things only become problematic when the filters get so dirty that they block air from coming in. The compressor then has to overcompensate and work a lot harder than usual. Vastly reduced airflow means that there is less hot air going to the evaporator coils to keep it from freezing. Change the filters when it gets too dirty. They are usually good for only a few months.


Refrigerant Leaks

The refrigerant is the main vehicle for heat transfer around the system. It absorbs heat from the room and dumps it outside to lower the indoor temperature. There is an optimal level of refrigerant that must be maintained to keep things humming along well. Sometimes leaks can happen and the substance slowly goes out of the system. Freezing is one of the potential results as the evaporator coil may become too cold. A technician must step in to fix the leaks and recharge the system with more refrigerant.


Broken Thermostat

A broken thermostat may also lead to freeze ups. Oftentimes there is no real need to have the air conditioner on as the weather is cold enough anyway. You may think that you have set the A/C to turn off at a particular time but it kept on churning anyway because the thermostat was unresponsive. If you observe this problem, then have the unit checked by a professional to get back control.

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Green energy Lewisville, Texas

Surge Protectors And HVAC: What You Need To Know


The term power surge can cause many people to break out in a sweat and dollar signs to flash before their eyes. When most homeowners think of surge protection, the think of their computers, cell phones, and flat screen televisions. While all of these devices are important to protect from a power surge, technology has now made it that they are not the only ones. In fact, home telephones and HVAC systems now fall into the category of technology appliances that need protected from a fateful power surge. A lightning strike or a power grid problem can be the death of even your HVAC system. Power surges can cause great added expense with the potential of needing to replace several important pieces of equipment within the home.

HVAC systems used to be mostly mechanical. This mean they were safe from a power surge or other electrical problem. However, over the years they have grown to be more technical and involve more technologies, especially higher efficiency systems. If a power surge happens, there is no telling the amount of damage that could be done to your HVAC system. Your system could fail or be difficult to repair. Hidden damage over time can even cause a failure. Large surges can cause immediate total failure, meaning you will need to replace your entire HVAC system altogether. This can cause a lot of problems, as replacing an HVAC system can be costly and timely.

In these cases, an ounce of prevention is worth a pound of cure. You can’t stop a power surge from happening, however, there several steps you can take to help protect your HVAC system. The first step is to install a whole-home surge protector. It will install at the main breaker box and stops too much power from coming into the power line. In addition, you can purchase HVAC surge protectors and individual surge protectors and plug them into outlets near electronic equipment. If you have question about your HVAC system being protected from a power surge, it is wise to contact an HVAC professional in your area.

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Air Conditioning Lewisville, Texas

Does Insulation Really Help Keep Your Home Cool?


Many homeowners often fail to realize that home insulation is a useful tool for wintertime cold as well as summertime heat. Most people think of insulation as something that keeps them warm; however, it actually does much more. As a thermal barrier, it slows down or stops the movement of heat through conduction and convection. During wintertime, it prevents the heat inside the house from escaping outside. During summertime, on the other hand, it prevents heat from the outside from entering the house, thereby reducing the workload on the air conditioning system.

To understand insulation and energy exchange, watch a cold glass of lemonade sweat on a hot day. As the temperature of the lemonade adapts to that of the room, it gains heat. A home functions in the same way. While one may not observe the sweating process, one will feel a shift in the comfort levels. Home insulation provides a barrier that slows down or prevents the exchange of heat, thereby limiting the energy exchange that affects indoor temperatures.

One of the most common problems homeowners face in relation to insulation is whether they have enough. Installing more can help with the heating and cooling; however, it is important to ensure that other sources of trouble are dealt with by scheduling an energy audit with a certified HVAC technician. Some of the common sources of trouble include:

  • Leaky ducts
  • Unsealed drafts
  • Insufficient insulating material
  • Old equipment
  • Faulty thermostat
  • Improper equipment
  • Unmaintained equipment

Insulating key areas of the home, such as the walls and the loft, creates a great barrier that prevents heat from getting in on scorching hot days. By venturing into the attic on a hot summer day, one can get a good example of insulation at work. Since the attic receives heat from the sun hitting the roof, temperature on a hot day can exceed a punishing 130 degrees Fahrenheit. Without insulation in the attic, that heat would flow down into the house, resulting in a temperature rise.

When it comes to installing insulation, homeowners need to hire professionals who can locate places that need insulation and determine the right type of insulation. Follow us for more great articles on heating, air conditioning and home needs.

Green house Lewisville, Texas

Combat Air Pollution With HVAC Technology

Improvements in the last several years in HVAC technology have led to increasingly better indoor environments that benefit everyone who lives or works in a building. Indoor air quality is particularly important for large commercial buildings such as corporate offices, stores, hospitals, etc that must have high quality indoor air for the many people that are there daily.

The primary standard for indoor air quality has been developed in a cooperative effort between American National Standards Institute and the American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE). Commercial facility managers need to become aware of these standards so that they can implement the right technology and maintenance practices.

Facility managers should consider four factors that affect indoor air quality: filtration, air quantity, remote monitoring and control of equipment and airflow patterns.

HVAC systems play a crucial role in maintaining indoor air quality by providing heating or cooling, humidification or removal of excess humidity and controlling airborne contaminants. Building climate control systems also bring in outside air that helps control the effect of indoor emissions and volatile organic compounds (VOCs), and bioeffluents emitted by those living or working in the building.


You Can’t Rely On HVAC Technology Alone

In order to maintain high indoor air quality, factors such as maintenance practices, control systems, air handlers and filters should be closely monitored. Properly maintained HVAC systems improve air quality and keep the units running at peak efficiency. Changing air filters is important to overall operation, but they also aid in the proper removal of contaminants. Control systems and air handlers must be able to properly fulfill your building’s air quality requirements or else you will risk poor airflow and a decrease in indoor air quality.

State-of-the-art monitoring systems are able to integrate well with building automation to help improve air quality. This type of HVAC technology includes sensors for temperature, humidity and VOCS. Additionally, consider low-cost carbon dioxide sensors to assure that all areas receive proper ventilation. All of these types of data provide essential information that will help managers monitor indoor air quality.

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