Houston Heat: AC Lies About Electrolyte Gels?

By Franklin Everett Shaw

January 1, 2026

The blast of air conditioning feels amazing when you first step inside from the Houston heat. But after a while, that same cool air can leave you feeling…off. Is it dehydration? Or something else? And are those electrolyte gels the AC repair guy is pushing really necessary, or just a way to pad the bill? Let’s cut through the confusion and get you feeling good in the Houston heat, both indoors and out.

Houston summers are brutal. The combination of heat and humidity can quickly lead to dehydration, heat exhaustion, and even heat stroke. It’s no surprise that air conditioning is a necessity, not a luxury, for most Houstonians. However, spending extended periods in air-conditioned environments can also lead to symptoms that mimic dehydration, making it difficult to distinguish between the two.

One common misconception is that feeling cold means you’re hydrated. This is false. Air conditioning can dry out the air, leading to insensible water loss through your skin and breath. This can happen even if you don’t feel thirsty. The dry air can also irritate your sinuses and throat, leading to a feeling of dryness that is often mistaken for dehydration.

So, how do you tell the difference between genuine dehydration and AC-induced symptoms? Here’s a breakdown:

• Genuine Dehydration: Symptoms include dark urine, dizziness, fatigue, headache, muscle cramps, and a rapid heartbeat. You might also experience extreme thirst and decreased urination.
• AC-Induced Symptoms: These often include dry skin, dry eyes, a scratchy throat, and sinus congestion. You might also feel fatigued, but without the severe muscle cramps or dizziness associated with dehydration.

The key is to pay attention to the combination of symptoms. If you’re experiencing several symptoms of dehydration, especially after being outside in the heat, it’s likely you’re genuinely dehydrated. If your symptoms are primarily related to dryness and congestion, and you’ve been indoors in air conditioning for an extended period, it’s more likely to be AC-related.

Now, let’s address the electrolyte gel issue. Some Houston-area AC technicians have been known to recommend electrolyte gels as a “fix” for heat exhaustion, even when simple hydration and cooling are more effective and affordable. This practice is concerning because it can lead to unnecessary expenses and potentially delay proper treatment for genuine dehydration.

Electrolyte gels can be helpful in certain situations, particularly after intense physical activity or prolonged exposure to heat. However, they are not a magic bullet, and they are certainly not a substitute for proper hydration and cooling. In many cases, plain water is the best way to rehydrate.

Here’s why you should be cautious about relying solely on electrolyte gels:

• They can be expensive: Electrolyte gels are often significantly more expensive than water or homemade electrolyte solutions.
• They may contain unnecessary ingredients: Many electrolyte gels contain added sugars, artificial sweeteners, and other ingredients that can be detrimental to your health.
• They can mask underlying problems: If you’re constantly relying on electrolyte gels to combat heat exhaustion, it’s important to address the underlying causes, such as inadequate hydration, poor acclimatization to the heat, or underlying medical conditions.

So, what are the best ways to combat heat exhaustion and stay hydrated in Houston’s extreme climate? Here’s a practical guide:

1. Hydrate Regularly: Don’t wait until you’re thirsty to drink water. Carry a water bottle with you and sip on it throughout the day. Aim for at least eight glasses of water per day, and more if you’re active or spending time outdoors.
2. Choose the Right Beverages: Water is the best choice for hydration. However, you can also supplement with electrolyte-rich beverages like coconut water or homemade electrolyte solutions. Avoid sugary drinks like soda and juice, as they can actually dehydrate you.
3. Cool Down Strategically: Seek out air-conditioned environments during the hottest parts of the day. Take cool showers or baths. Use fans to circulate air. Apply cool, wet cloths to your neck, forehead, and armpits.
4. Dress Appropriately: Wear loose-fitting, light-colored clothing that allows your skin to breathe. Avoid dark colors, as they absorb more heat.
5. Pace Yourself: Avoid strenuous activity during the hottest parts of the day. If you must be active, take frequent breaks in the shade or air conditioning.
6. Acclimatize Gradually: If you’re new to Houston or haven’t been exposed to the heat for a while, gradually increase your exposure over time. This will allow your body to adjust to the heat and humidity.
7. Listen to Your Body: Pay attention to your body’s signals. If you’re feeling dizzy, nauseous, or weak, stop what you’re doing and seek medical attention.

If you do choose to use electrolyte replacement, here’s how to do it safely and effectively:

• Read the Labels: Pay attention to the ingredients list and choose products that are low in sugar and free of artificial sweeteners.
• Consider Homemade Options: You can easily make your own electrolyte solution by mixing water with a pinch of salt and a squeeze of lemon or lime.
• Don’t Overdo It: Too much electrolyte replacement can be just as harmful as too little. Follow the instructions on the product label and don’t exceed the recommended dosage.
• Consult Your Doctor: If you have any underlying medical conditions, such as kidney disease or heart problems, talk to your doctor before using electrolyte replacement products.

One common mistake people make is assuming that sports drinks are the best way to rehydrate. While sports drinks do contain electrolytes, they are also often high in sugar, which can actually hinder hydration. A better option is to dilute sports drinks with water or choose a low-sugar electrolyte beverage.

Another pitfall is relying solely on thirst as an indicator of hydration. By the time you feel thirsty, you’re already dehydrated. It’s important to drink water regularly throughout the day, even if you don’t feel thirsty.

Finally, don’t underestimate the importance of cooling strategies. Hydration is important, but it’s only one piece of the puzzle. Cooling down your body temperature is equally crucial for preventing heat exhaustion and heat stroke.

In conclusion, staying healthy and hydrated in Houston’s heat requires a multi-faceted approach. Don’t fall for the hype surrounding expensive electrolyte gels. Focus on proper hydration, strategic cooling, and listening to your body. And if your AC technician starts pushing electrolyte gels as a miracle cure, remember this article and seek a second opinion. Your health and your wallet will thank you.