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Top-Rated Energy efficiency auditors in Brenham - Updated Nov 2026

Avatar for ADT Solar
ADT Solar
4.4(
111
)
Energy Audit - For BusinessHome Energy Audit

Serving Brenham, TX and surrounding areas

In business since 2008

Free estimates

Warranties offered

"Rep. checked entire system. He found several wires not connected properly and fixed this. He also made recommendations regarding the attachment of the panels to the rood that would provide more stability and leakproofing. The representative appeared to know what he was doing - much better than others, including the representative who was engaged by the roofer (who replaced our rood due to hail damage) to disconnect/connect the panels."
11 kW PV Installation
5 kW PV Installation
9.5 kW PV Installation
Recommended by89%of homeowners
Avatar for Ensupra Solar, LLC
Ensupra Solar, LLC
5.0(
2
)
Energy Audit - For BusinessHome Energy Audit

Serving Brenham, TX and surrounding areas

In business since 2012

Free estimates

Ensupra Solar, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade is what makes us true professionals. Above all, we are watchful of the interests of our customers and make their concerns the basis of our business. Please give us a call today!

Solar installation for Residential
Solar installation for Residential
Solar installation for Residential
solar installation for Residential
solar installation for Residential

+12

Recommended by100%of homeowners
Avatar for Ferguson Solar and Roofing
Ferguson Solar and Roofing
5.0(
2
)
Home Energy Audit

Serving Brenham, TX and surrounding areas

In business since 2022

Free estimates

Warranties offered

"They were knowledgeable and courteous. Every time I had a question, they answered my question. They let me know when things were going to take longer than what they had expected. I could call them at any time when I had questions and they would answer Or return my call as soon as I could."
Response time7 hrs
Response rate100%
Recommended by100%of homeowners
Avatar for State Home Energy Specialists, LLC
State Home Energy Specialists, LLC
New to Angi
Energy Audit - For BusinessHome Energy Audit

Serving Brenham, TX and surrounding areas

In business since 2005

Free estimates

Credit card accepted

State Home Energy Specialists, LLC, offers a wide range of residential energy services. We offer several levels of our proprietary State Certified Energy Audit, a 61 point home inspection that pinpoints and prioritizes sources of energy waste. State Home Energy Specialists is a pioneer in the home energy industry, and we take pride in providing only the highest quality performance by the industry's most knowledgeable and professional staff. Our inspectors undergo rigorous training to obtain both HERS and IECC certifications, ensuring that we offer only expert guidance to our clients. Green living is a burgeoning industry and State Home Energy Specialists is at the forefront of the sustainable movement. We encourage you to contact us and find how we can serve your energy needs, and lead you to a greener, more affordable, home energy environment.

 Air Infiltration coming around door frame
 Poorly installed insulation
 Air infilttration through window
 Air Infiltration window, outlet, and top plate
Air infiltration and insulation deficiencies

+8

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Energy Efficiency Auditing FAQs, answered by experts

While some aspects of an appraisal, such as comparable properties nearby, are out of your control, there are several steps you can take to potentially increase your home's value. Make any necessary repairs and upgrades before the appraiser's visit, as they can only value what is currently part of the home, not its potential. Examples include renovating older areas, updating landscaping to boost curb appeal, and staging your home. You can also provide the appraiser with the cost of recent upgrades, which may increase your home's value by about 50% or more of what you paid for those improvements.

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

You can check your home's humidity in a few ways. A simple option is to use a hygrometer, which you can find at a hardware or big box store. Your smartphone may also have an app that can measure humidity. Modern thermostats, particularly smart thermostats, are also able to measure humidity levels.

DIY is possible with basic tools. Professional audits provide comprehensive assessments and tailored recommendations.

Window AC units use a fair amount of electricity, but significantly less than central AC systems. Because they are more energy-efficient for cooling individual rooms or small spaces, their usage is comparatively low. On average, a window AC unit consumes between 500 and 1,400 watts, while a central AC system uses over 3,500 watts—meaning a window unit uses about one-third of the energy. This typically translates to a monthly running cost of $15 to $40, although this can vary depending on external factors.

The Brenham, TX homeowners’ guide to energy efficiency auditing services

From average costs to expert advice, get all the answers you need to get your job done.