How to Replace a HVAC Air Filter

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One of the responsibilities of owning a home is taking good care of your HVAC system. While you may call in the professionals every so often, changing your filter is one of the simplest and most important tasks. By learning how to replace a HVAC air filter, you'll be able to improve the quality of the air you breathe. Likewise, […]


Have You Switched from an R-22 to R-410A AC Unit?

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Refrigerant is the chemical that allows air conditioners to rapidly cool air. For many years, Freon, also called R-22, was the refrigerant of choice in most heating and air conditioning systems. However, the Environmental Protection Agency (EPA) discovered Freon could deplete the ozone layer when released into the air. In 1990, Congress passed the Clean Air Act and decided Freon […]


Are Air Conditioning Tune-ups Necessary?

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The hot and humid temperatures of East Texas strain air conditioners and invite dust, pollen, debris and other air pollutants. If you want your air conditioner running clean and your electric bill low, then it's necessary to have an air conditioning tune-up at least twice a year. The extra money you save on lower electric bills and longer AC life […]


Air Conditioning Installation – What's Involved?

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If you're considering a residential or commercial air conditioning installation or an air conditioner replacement, you're probably wondering what's involved. At McWilliams & Son Heating and Air Conditioning, we'll take you through the process from start to finish. High-Efficiency Air Conditioning Installation Cooling systems get more sophisticated every year. A super efficient Carrier air conditioner can cut your energy usage […]


Air Conditioning – Repair vs. Replacement

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Should you repair or replace your air conditioner?   Although it may seem cheaper in the short run, repair can cost more over time than replacement. Here are some factors to consider about repair vs. replacement. How Old Is Your AC Unit? If your system is over ten years old, replacement is probably a cost-effective choice. The average lifespan of […]


Ceiling Fans Save Energy Every Season

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Most people know fans cost less than air conditioning. Exactly how much depends on factors unique to your system. However, estimates place air conditioners at 60 to 100 times the cost to operate compared to ceiling fans. The difference is huge. Ceiling fans cut down your energy cost every season of the year. What follows is a breakdown of how […]


Why is My A/C Freezing Up?

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As a homeowner in Crockett, TX, you rely on your central air conditioning system to provide relief from the summer heat. If you look at the system, you may wonder why A/C is freezing up on occasion. There are many common and fixable causes as to why an A/C system can freeze. Our heating and air conditioning service technicians at […]


What is a Geo Thermal Heat Pump?

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Twenty feet beneath the surface of the earth, temperatures consistently remain between 50 and 60 degrees Fahrenheit. Geothermal heat pumps tap into that reliable heat source for HVAC cooling, heating and water heating systems for homes and businesses. Rather than generating heat from fuel like a conventional furnace, the pumps move heat from one space to another, much like your […]


Why We Recommend the Energy Star Home Performance Evaluation

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 McWilliams & Son Heating and Air Conditioning enjoys helping our customers save money whenever possible. This is why we frequently recommend scheduling an Energy Star Home Performance Evaluation with one of our professional auditors. Energy Star partners with the United States Department of Energy (DOE) and the Environmental Protection Agency (EPA) to offer this program to homeowners. The Energy Star Home […]


How Humidifiers Save Energy in the Winter

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Did you know that humidifiers save money? Humidifiers can help you save energy in the winter in Nacogdoches, TX. A humidifier replaces moisture in the dry air. Running your heating system can quickly dry out the air inside your home. A humidifier replaces some of the lost moisture, making the air feel warmer. Humidifers save money because you can keep […]