Healthy homes start with good indoor air quality

EPA studies have shown that the average home’s indoor air is 2 to 5 times dirtier than the air outdoors. Common pollutants, like pollen, dust, excessive moisture, and pet dander fill the air and have a profound effect on your respiratory health. It’s estimated that 94% of respiratory illnesses is caused by the air in our homes. Controlling your homes indoor air quality (IAQ) is vital to your health.
In this image, a man tests for dampness, as moisture control is one of the biggest factors in Indoor Air Quality

These are some of the tips that the EPA suggest in order to improve your indoor air quality

If you’re interested in getting help with making IAQ improvements, Delta T is ready to help you figure out where you start. There are many products on the market with easy to figure out solutions, such as choosing the right air filter for your home, but some of the more effective measures require the installation and configuration of new equipment to supplement your central air system.
• Improve your home’s ventilation system
• Install an effective air cleaner
• Change your air filters regularly
• Reduce your exposure to sources of air pollution
• Maintain optimal humidity between 30 and 50%

Indoor air quality systems will  make your life more comfortable and healthy

Our AC service techs work hard to assure your air quality is second to none.
Do you need to make a change to your central air system, but aren't sure where to start? Take a look at our free system estimation tool to get an idea of how much your new system cost based on energy efficiency, and the size of your home.


Get Started here!

Stop treating symptoms and remove the problems!

Let Delta T help you to improve your indoor air quality and say hello to better breathing

HEPA Air Cleaners

Air cleaners install on air duct returns and pulls in a portion of the air through a HEPA filter. This filter can treat all the air in a 2000 sq. ft. space in an hour, and can effectively remove up to 99% of particles that are as small as .03 microns. HEPA air cleaners come in two categories: mechanical and electronic filters.
This image shows a set of mechanical air filters

Mechanical Filters

Mechanical filters act like screens that capture air pollutants in a filter. These filters have to be replaced regularly, to stay effective. Most homes use a flat, 1-inch, fiberglass mesh filter as a default air cleaner.
This image shows a set of electrical air filters

Electric Filters

An electronic filter generates an electronic discharge that causes pollutants to gather onto a set of plates on the air purifier. These plates can be pulled from the filter, cleaned, and then reused.

Here are some (not so) fun facts about the air you breathe

  • • The average person inhales over 3500 gallons of air every day
  • • 1 oz. of dust can contain over 40,000 dust mites
  • • The average person sheds up to 700,000 skin flakes every day
  • • 10-15% of Americans are allergic to pet dander

Moisture Control

Controlling moisture in your air system has a significant effect on indoor air quality. Humidifiers and dehumidifiers are the tools you need in order to control moisture.
This is an image of a steam and bypass humidifier made by Ruud, Delta T sells& installs these systems for their clients


Humidifiers are used in during the cold season to add moisture to the warm air your system provides Humidifiers come in two types: steam humidifiers and bypass humidifiers.

A steam humidifier convert’s water to steam that joins with the air distributed by your central air unit.

A bypass humidifier passes warm air through a water tray, and as the warm passes it accumulates moisture naturally.


An electronic filter generates an electronic discharge that causes pollutants to gather onto a set of plates on the air purifier. These plates can be pulled from the filter, cleaned, and then reused.

This is an image of a Ruud Dehumidifier
This is a picture of a Ruud UV Light Treatment add-on

Ultraviolet Light Treatments 

Ultraviolet light treatments have been shown to significantly reduce bacteria and viruses in your HVAC unit. Ultraviolet Germicidal Light helps to eliminate viral and bacterial infections and is beneficial to people who suffer from asthma or other respiratory sensitive ailments.

What are people saying about Delta T?

Delta T is highly reviewed for cooling and heating service and repair in the areas surrounding Lake Livingston and Trinity Texas. We like to think our track record speaks for itself, and we are grateful for all of our customers who take the time to spread the word.
  • 2017
    Travis and his team of technicians are polite, knowledgeable, and most important, honest professionals. While looking at installing a new system, they continued their analysis and found the problem to be a defective valve. Lots cheaper than a new system.. We will continue our association with Delta-T and recommend them to anyone needing Cooling or Heating professionals.
    Danny Park
    Review from Google Business
  • November 4, 2015
    We came home Friday evening to a hot house. Travis and Kevin showed up early Saturday morning. They found and fixed the problem. The repair was affordable and we are enjoying a cool home. Very grateful for the prompt and professional service!!!
    Review from Google Business
  • 2019
    Positive: Punctuality, Quality, Responsiveness, Value

    The best service I have experienced in many years. I have recommended them to all my family and friends.
    Heidi Zachary
    Review from Google Business
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Delta T is full-service heating, ventilation, and air conditioning Company serving Polk, San Jacinto, Trinity, and Walker counties. We are veteran owned and operated, and carry on the tradition of service, honor, and respect acquired in the service of our country.

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