**Houston Heat: Is Cheap AC Crashing Summer Biomes?**

By Franklin Everett Shaw

November 4, 2025

The air hangs heavy and thick in Houston, a blanket of humidity clinging to everything. It’s a city built for air conditioning, a necessity for survival, not a luxury. But this reliance comes at a cost, a cost that’s not evenly distributed.

Houston’s AC addiction is fueling a dangerous cycle. The sheer volume of energy consumed to keep homes and businesses cool contributes significantly to the city’s urban heat island effect. This phenomenon, where urban areas are significantly warmer than their surrounding rural counterparts, is particularly pronounced in Houston due to its dense development and limited green spaces.

The problem is compounded by the fact that older, less efficient AC units are common in lower-income neighborhoods. These units guzzle electricity, leading to exorbitant bills that force residents to choose between comfort and other necessities. This creates a vicious cycle of heat stress and financial strain.

Let’s talk solutions, specifically tailored for Houston. Forget generic advice; we’re diving into actionable steps you can take right now.

First, understand the Texas weatherization assistance program (WAP). This federally funded program, administered by the Texas Department of Housing and Community Affairs (TDHCA), provides free weatherization services to low-income homeowners and renters. Priority is given to the elderly, families with children, and people with disabilities.

• Eligibility: Income guidelines vary, but generally, your household income must be at or below 200% of the federal poverty level.
• Services: WAP can cover a range of improvements, including insulation upgrades, air sealing, duct repair, and even AC unit replacement with more energy-efficient models.
• How to Apply: Contact your local community action agency (CAA). In Houston, BakerRipley is a major provider. Don’t just call; visit their website and download the application form. Fill it out meticulously. Incomplete applications are a common reason for delays.

Beyond WAP, explore rebates offered by CenterPoint Energy, Houston’s primary electricity provider. They frequently have programs for upgrading to energy-efficient AC units, smart thermostats, and other energy-saving appliances.

• Don’t assume you qualify: Read the fine print. Rebates often have specific requirements regarding the SEER rating (Seasonal Energy Efficiency Ratio) of the AC unit and the installer’s certification.
• Act fast: Rebate programs are often offered on a first-come, first-served basis and can run out of funding quickly. Sign up for CenterPoint’s email alerts to stay informed.

Now, let’s get practical with DIY weatherization. Even small improvements can make a big difference in reducing your AC load.

• Seal those leaks: Caulk and weatherstrip around windows and doors. Pay special attention to gaps where pipes or wires enter the house. A drafty house is like throwing money out the window.
• Insulate your attic: This is the single most effective way to reduce heat gain in your home. Check your attic insulation level. If it’s below R-30 (about 10 inches of fiberglass or rock wool), add more. Home Depot and Lowe’s in Houston offer free workshops on insulation installation.
• Window film: Apply reflective window film to east- and west-facing windows to block solar heat gain. This is a relatively inexpensive and easy DIY project.
• Plant trees: Shade your home from the sun by planting trees strategically. Native Texas trees like live oaks and pecan trees are well-suited to the Houston climate and provide excellent shade. Check with the Houston Parks and Recreation Department for tree planting programs and resources.

But the problem isn’t just about energy bills; it’s about health. Prolonged exposure to extreme heat can lead to heatstroke, heat exhaustion, and other heat-related illnesses. Vulnerable populations, such as the elderly, children, and people with chronic health conditions, are particularly at risk.

Ironically, AC itself can also pose health risks. Improperly maintained AC units can harbor mold and bacteria, which can trigger allergies, asthma, and other respiratory problems.

• Regular maintenance is key: Clean or replace your AC filter every month. Schedule a professional AC tune-up at least once a year.
• Watch for signs of mold: Musty odors, visible mold growth, and unexplained respiratory symptoms can indicate a mold problem. If you suspect mold, have your AC unit inspected and cleaned by a qualified professional.
• Consider a dehumidifier: High humidity levels can exacerbate mold growth. A dehumidifier can help keep your home’s humidity levels in check.

The disproportionate impact of heat and AC-related health risks on vulnerable communities in Houston is a matter of environmental justice. These communities often lack access to resources and information needed to protect themselves.

We need policy changes that promote sustainable cooling solutions and address the root causes of energy poverty.

• Advocate for increased funding for WAP and other energy assistance programs. Contact your state representatives and urge them to support legislation that expands access to these programs.
• Support policies that promote energy efficiency and renewable energy. Houston has the potential to become a leader in clean energy. Let’s push for policies that incentivize energy-efficient building practices and the adoption of solar power.
• Demand accountability from utility companies. CenterPoint Energy needs to be held accountable for ensuring that all Houston residents have access to affordable and reliable energy.

Houston’s heat is a reality, but suffering isn’t inevitable. By taking action at the individual and collective levels, we can create a cooler, healthier, and more equitable city for all. Don’t just complain about the heat; do something about it. Start with one small step today.