Our Blogs

Will Your AC Get You Through Another Summer?

Can you push your aging AC through another hot, humid Texas summer? Does it have the stamina to provide reliable comfort, or will it finally give out under triple-digit temperatures?Before Mother Nature turns up the thermostat, it’s time to assess the condition of your central air system. Pay attention to these red flags that it’s […]

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Installation Options for Your Ductless Mini-Split

Homeowners seeking a new HVAC system in Carrollton have more options to choose from than ever. Options like the furnace and air conditioning units remain reliable choices, but the heat pump has become a popular choice in recent years. However, another fairly new option on the HVAC system scene is the ductless mini-split.  The ductless […]

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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, […]

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Rust on Your Furnace? Here’s What it Means

If you have recently inspected your furnace and have discovered rust, you are understandably confused. Rust is corroded metal that usually develops when iron comes in contact with water. Your furnace, however, does not use water. Some water vapor is created through the combustion process as your furnace operates. While it may seem natural for […]

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What’s More Efficient: A Heat Pump or a Furnace?

If you’re in the market for a new central heating system, you have a big decision ahead of you: Do you go with a heat pump or a furnace? They’ll both provide reliable comfort, but they go about doing so in different ways. To better understand which one will meet your needs and budget, it […]

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How Elon Musk Could Benefit the HVAC Industry

This year, Elon Musk—early investor, CEO, and product architect of Tesla, Inc.—has announced on Twitter that he plans to release a super-efficient home HVAC system and HEPA filters. He has said that the heat pump technology and high-efficiency particulate air filters used in Tesla’s Model S and X vehicles could easily be used to create […]

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4 Surprising Things That Are Fouling Up Your Indoor Air Quality

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, […]

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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. […]

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Why Ductless Mini-Splits are Perfect for Your Historic Home

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 […]

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Get a Great Deal on the 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 […]

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Americans with Disabilities Act (ADA) Notice

At Lex Air Conditioning, Heating, Plumbing & Electrical, we are committed to ensuring that individuals with disabilities enjoy full access to our websites. In recognition of this commitment, we are in the process of making modifications to increase the accessibility and usability of this website, using the relevant portions of the Web Content Accessibility Guidelines 2.0 (WCAG 2.0) as our standard. Please be aware that our efforts are ongoing. If at any time you have difficulty using this website or with a particular web page or function on this site, please contact us by phone at (972) 430-8303; or email us at ([email protected]) and place “Web Content Accessibility (ADA)” in the subject heading and we will make all reasonable efforts to assist you.