Why HVAC Systems Have Air Filters

Someone inserting an air filter into an HVAC system

Why HVAC Systems Have Air Filters The filter, although arguably one of the simplest parts of your HVAC system, is also one of the most important. Its primary function is to keep the HVAC system clean and free of damage, but it also plays a part in your indoor air quality. Here’s why filters are […]

How Air Conditioners Treat Humidity

An illustration of a ductless air conditioner

Air Conditioners and Humidity We all know how humidity can turn a hot day into an unbearably uncomfortable one, and the atmosphere just has a different feeling when it’s extremely humid. Luckily, there’s a solution and it’s already in your home! Air conditioners don’t only cool down your home, but the process in which they […]

Air Scrubbers vs Air Purifiers: How They Clean Your Air

A woman with her eyes closed, smiling, with her hands behind her head sitting on a gray couch

Air Scrubbers vs Air Purifiers Indoor air quality is crucial to maintaining a comfortable and healthy home. Nowadays, there are many ways to manage your air quality, but sometimes the control is out of your hands. Luckily, there are additional products available that do the work of cleaning your air for you. We’re breaking down […]

ActivePure Technology® Reduces the SARS-CoV-2 Virus by 99.9%


The Centers for Disease Control and Prevention (CDC) has announced that the SARS-CoV-2 virus, or COVID-19, is most easily and commonly transmitted by respiratory droplets that are produced when an infected individual talks, breathes, laughs, coughs, sneezes, or sings. These airborne droplets can remain suspended in the air for a few minutes or even hours, […]

4 Surprising Things That Are Fouling Up Your Indoor Air Quality

Air Fresheners

Your home’s indoor air quality isn’t something you likely give much thought to. The only time it’s a concern is when you’re following your nose to find the source of a weird smell.However, things that contribute to poor indoor air quality don’t always have an unpleasant odor. In fact, some of them smell great, emitting […]

The Risk of COVID-19 Transmission Indoors & the Importance of Adhering to Safety Measures


By now, the CDC has confirmed that the coronavirus (COVID-19) is spread through respiratory droplets that are produced when an infected individual speaks, coughs, sneezes, or breathes. Once these respiratory droplets are released, surrounding individuals may become infected by: 1) inhaling them or 2) touching surfaces that the droplets have landed on and then touching […]

Get a Great Deal on the REME HALO Whole Home Air Purifier

REME HALO Whole Home Air Purifier

Did you know that according to the EPA (Environmental Protection Agency,) indoor air pollution is now considered as big if not an even bigger threat to our health than pollution outdoors? Unfortunately, in the world we live in, the quality of our indoor air is worse than ever. For those with allergies, asthma, and other […]

Maintaining Good Indoor Air Quality during the COVID-19 Pandemic

Indoor Air Quality

At Lex Air Conditioning and Heating, the health and safety of our customers are our top priorities. As we continue to watch the world around us struggle to cope with and slow the spread of COVID-19, we remain as committed as ever to delivering premium-quality services and keeping your home and family protected. We are […]

The Big Question: Can Airborne Viruses Travel Through Ducts?

Air Ducts

With indoor air quality and the transmission of viruses a top concern these days, we thought we’d help answer a question we’ve been getting a lot lately: Can the flow of air produced by an HVAC system spread disease? Let’s dive into what the U.S. Centers for Disease Control has to say. A Case Study […]

4 Top Benefits of Investing in a Whole-Home Air Purifier

Air Conditioning and Heating

Good indoor air quality is essential to your health and comfort. According to The Environmental Protection Agency, the air you breathe indoors could be severely more polluted than anything you’re breathing outside. If you’re suffering from the effects of poor air quality in your Texas home, now is the time to look into the benefits of […]

How Your HVAC System Can Affect Your Sleep Quality

Air Conditioning and Heating

Getting a good night’s sleep enables you to rejuvenate your body and mind so that you’ll be ready to face the challenges that await the following day. The HVAC system in your Plano, Texas home can have an impact on your sleep quality, from producing uncomfortable temperatures to emitting loud noises. Read on to learn […]

A Guide to Choosing the Best Air Filter for Your Home

Air Conditioning and Heating Filter

The air filter in your HVAC system is crucial for keeping it running optimally. While you may know how important it is to change your air conditioner filter on a regular basis, you may not know everything there is to picking the right air filter. Here is a guide to help you find the perfect […]