Furnace Blowing Cold Air? Here’s Why

heater blowing cold air

As the temperature drops and the winter chill sets in, a reliable and efficient heating system is essential to keep your home warm and comfortable. But what do you do when your furnace suddenly starts blowing cold air instead of hot air? In this blog, we’ll delve into the common reasons why your furnace might […]

What is BTU?

btu meaning

BTU, or British Thermal Unit, is a term you’ve likely encountered in discussions about heating and air conditioning, but what exactly does it mean? It’s an essential measurement in the realm of HVAC as it helps determine the energy output required to heat or cool a given area efficiently. Understanding BTUs is key to selecting […]

Gas Heater vs. Electric Heater

Gas Heater vs. Electric Heater

At Lex Air Conditioning and Heating, we understand the importance (and challenges) of choosing the right heating system for your Carrollton home or business. In this guide, we jump into the age-old debate of gas heaters versus electric heaters. Whether seeking energy efficiency, cost-effectiveness, or environmental considerations, our heating experts can help you choose the […]

Furnace Won’t Turn Off?

Furnace Won't Turn Off

For many, the heart of a home’s heating system is the furnace, which, when functioning properly, can provide residents with comfort and warmth when temperatures drop. However, when that furnace refuses to shut off, it can decrease comfort and increase energy bills. Not only that, but it can cause undue strain on the home’s heat […]

What Should My Winter Thermostat Setting Be?

What Should My Winter Thermostat Setting Be

As winter approaches, maintaining a comfortable and energy-efficient home environment becomes a top priority for many residents. The key to this balance lies in setting the right winter thermostat settings.  At Lex Air Conditioning and Heating, we understand the importance of finding that ideal temperature setting that keeps your home cozy during the chilly winter […]

Is it Bad if Auxiliary Heat Comes On?

What is Aux Heat

Have you ever looked at your digital thermostat and seen the words “Aux Heat” on the screen? Aux heat refers to your heating system’s auxiliary heat, which is used to help quickly raise the temperature in your home to the set thermostat temperature.  But what exactly is aux heat, and how does it work? Is […]

How Much Does a New HVAC System Cost?

How Much Does a New HVAC Cost

The heating, ventilation, and air conditioner are all essential parts of a modern household. An HVAC system is also integral in the monitoring and controlling of the humidity and airflow inside a facility or complex.  The importance of an HVAC system means that every household and commercial building should be able to comfortably rely on […]

Gas, Oil, or Electric: Which Furnace is Best?

Gas, Oil, or Electric: Which Furnace is Best?

Your Home Furnace Choices You have several HVAC options when it comes to heating your home. Not only can you choose between different heating appliance options, but the fuel that powers them. The most popular and widely available fuel options in the U.S. are oil, natural gas, electricity, and propane. We’re going to be talking about the […]

Installation Options for Your Ductless Mini-Split

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 […]

Rust on Your Furnace? Here’s What it Means

Lex Air Conditioning and Heating

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 […]

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

Heat Pump

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 […]

How Elon Musk Could Benefit the HVAC Industry

elon musk on cover of newsweek magazine

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 […]