What To Ask When Getting an HVAC Quote

What To Ask When Getting an HVAC Quote

Many homeowners know the pain and suffering that comes with replacing an air conditioning system after it finally gives out. Unfortunately, this seems to happen at the worst possible times. Your system may have fought valiantly against the Texas heat before finally succumbing, leaving you and your family without relief in the sweltering heat, you […]

HVAC Questions to Ask When Buying a Home

A female real estate agent in a home next to a railing with a man, and woman holding a baby

HVAC Questions to Ask When Buying a Home Buying a home is a major undertaking, and it can be hard to keep up with all the aspects that you need to be informed about. From plumbing to appliances to insurance and more, there’s a lot that can go wrong if you aren’t careful and prepared. […]

Silly Mistakes That Are Raising Your AC Costs

A woman with her hands on her head in front of a computer

Air conditioning is one of the most expensive things you have in your home. It’s the largest energy user and you likely see that reflected in your energy bills over the summer months. Many people just pay their energy bills and accept that AC is expensive. But there are simple ways to reduce those energy […]

What Causes an AC to Freeze Up?

frozen evaporator coils

While you might think ice on your AC is a sign that it is working, it’s actually a sign that it needs to be repaired right away. During summertime, it is common for air conditioners to get overworked and experience malfunctions that can lead to frozen evaporator coils and other types of serious damage. At […]

What is a SEER Rating, and Why Does it Matter?

Three air conditioners next to one another on the ground outside of a yellow wall

SEER Rating and Your HVAC Energy efficiency is a key component for all HVAC units. Efficiency is generally measured through a SEER rating, which stands for Seasonal Energy Efficiency Ratio. This measurement will determine whether or not your unit effectively cools or heats your home compared to the amount of energy it uses to do […]

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 […]

No, That Wasn’t a Ghost: Strange HVAC Noises Explained

Strange HVAC Noises Explained

Had Edgar Allan Poe lived during the age of central heating and air, that tapping and rapping at his chamber door, or the beating of a heart hidden under floorboards, may very well have been the sounds of a malfunctioning HVAC system. A heating and cooling system on the fritz can produce a number of […]

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?

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 […]

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 […]