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 […]

Strange HVAC Noises Explained

Strange HVAC Noises Explained

No, That Wasn’t a Ghost: What Those Strange HVAC Sounds Mean Edgar Allan Poe might have found a new source of inspiration in the age of central heating and air conditioning. Imagine the classic scenes from his stories – the mysterious tapping at the chamber door, the haunting beat of a heart hidden under floorboards. […]

Why Ductless Mini-Splits are Perfect for Your Historic Home

Lex Air Conditioning and Heating

Homes built before the advent of central air conditioning can present a real challenge if you want modern comfort. To retrofit your historic home, you’ll have to sacrifice space inside for the air handler. Plus, you’ll need to accommodate the ductwork, which may require a disruptive modification of your home’s interior. In this case, your […]

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 […]

How Zoned Temperature Control Can End the Thermostat Wars

Lex Air Conditioning and Heating

It’s a rare family that can agree on a thermostat setting. If one person is comfortable, everyone else is too hot or too cold. It’s not a tragedy worthy of Shakespeare exactly, but the constant bickering can cause some real frustrations — even divorce. (We’re not kidding.) The problem with a conventional heating and cooling […]

The Big Question: Can Airborne Viruses Travel Through Ducts?

Can Airborne Viruses Travel Through 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 […]

How to Evaluate Contractors’ HVAC Replacement Quotes

Air Conditioning and Heating

Replacing the HVAC system in your Carrollton, TX, home calls for you to hire a professional HVAC company for the job. Before you hire a professional HVAC company, use the following tips to evaluate the HVAC replacement quotes that you receive. Know the Difference Between an Estimate and a Quote It is critical that you […]

3 Questions to Ask When Choosing a New HVAC Company

Air Conditioning and Heating

Finding the right company to service the HVAC system in your Frisco, Texas home doesn’t need to be a daunting task, but it is a crucial one. You will need to find a company that knows how to take care of your HVAC system and is there when you need them most. When choosing which […]

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 […]

What are the Benefits of a Packaged HVAC System?

Air Conditioning and Heating

Conventional HVAC systems have become less popular lately in many cities around the U.S. They not only consume a lot of electricity, but they also occupy a large space. Moreover, they are hard to install compared to packaged HVAC systems. If you want to lower your energy bills and save on interior space, here is […]

Increase Your Comfort With an Energy Recovery Ventilator

Air Conditioning and Heating

If you are tired of high energy costs and want more from your HVAC system in Carrollton, Texas, you should consider installing an energy recovery ventilator (ERV). This device increases efficiency by exchanging heat in a give-and-take process. One fan draws in fresh air from the outside, while another pushes out any stale air. With […]

Getting To Know Your HVAC System

Getting to Know Your HVAC System

In Carrollton, Texas, we rely on functional and efficient air conditioning to get us through hot, humid summers and a furnace or heat pump to keep us warm in the winter. Many homeowners’ knowledge regarding the heating and cooling system inside their home consists of changing filters and knowing when it’s working or not working. […]