(281) 594 - 6082Affordable AC Repair in Pearland, Friendswood, Alvin, Manvel, and Houston for Over 19 Years.

Commercial Services

When your customers, clients, or employees come into your business, they expect the air conditioner and heating systems to provide comfort, especially in Texas. Brazoria Mechanical offers a wide range of commercial services. Commercial HVAC service can be expensive, especially without proper maintenance of your equipment. Yearly tune-up can save you extra money you can put into your business. Preventative maintenance begins with checking your air conditioner, furnace and other equipment. 

Call Today For:

  • Free estimates on all types of A/C and Heating equipment​
  • On time and responsive
  • Full-service residential HVAC contractor
  • Competitive rates

Our Products Include:

  • Air Conditioners
  • Furnaces
  • Heat Pumps
  • Air Handlers
  • Zoning Systems
  • WiFi Thermostats
  • Maintenance Programs
  • Indoor Air Quality
  • Mini Split Systems
Commercial Services

How An Air Conditioner Works

Commercial ServicesThe job of your home air conditioner is move heat from inside your home to the outside, thereby cooling you and your home. Air conditioners blow cool air into your home by pulling the heat out of that air. The air is cooled by blowing it over a set of cold pipes called an evaporator coil. This works just like the cooling that happens when water evaporates from your skin. The evaporator coil is filled with a special liquid called a refrigerant, which changes from a liquid to a gas as it absorbs heat from the air. The refrigerant is pumped outside the house to another coil where it gives up its heat and changes back into a liquid. This outside coil is called the condenser because the refrigerant is condensing from a gas back to a fluid just like moisture on a cold window. A pump, called a compressor, is used to move the refrigerant between the two coils and to change the pressure of the refrigerant so that all the refrigerant evaporates or condenses in the appropriate coils.

The energy to do all of this is used by the motor that runs the compressor. The entire system will normally give about three times the cooling energy that the compressor uses. This odd fact happens because the changing of refrigerant from a liquid to a gas and back again lets the system move much more energy than the compressor uses.

What Can Go Wrong?

Unlike most furnaces, air conditioners are complex mechanical systems that depend on a wide variety of conditions to work correctly. They are sized to meet a certain “load” on the house. They are designed to have certain amount of refrigerant, known as the “charge”. They are designed to have a certain amount of air flow across the coils. When any of these things changes, the system will have problems.

If you produce more heat indoors either from having more people or appliances or because of changes in the house, the air conditioning may not be able to keep up.

If the refrigerant charge on the system leaks out, it lowers the capacity of the system. You will simply get less cooling and system will not be able to keep up when the load gets high.

If airflow across the outdoor (condenser) coil is reduced, the ability to reject heat outdoors is reduced and the again the capacity of the system may go down, especially at higher outdoor temperatures.

In dry climates such as the Southwest United States, the same issues happen with regard to the indoor (evaporator) coil: higher airflow helps, lower airflow hurts. In humid climates, the situation is more complex. At higher airflows, there will be less dehumidification, leading to high indoor humidity. If the airflow gets too low, however, the evaporator coil may freeze. This makes performance worse and can damage the compressor until it fails - leaving you with an expensive repair bill and no cooling!

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