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*The Angi rating for Energy Efficiency Auditing companies in Brandon, SD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.

*The HomeAdvisor rating for Energy Efficiency Auditing companies in Brandon, SD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.

Last update on July 12, 2026

Find Energy efficiency auditors in Brandon

Avatar for R&J Solar LLC
R&J Solar LLC
5.0(
2
)
Energy Audit - For BusinessHome Energy Audit

Serving Brandon, SD and surrounding areas

In business since 2022

Free estimates

Credit card accepted

We provide residential and commercial solar power options, and provide support services for industry partner companies. We offer no cost consultations and $0 down financing. Please contact our office for a consultation at (931)922-8258.

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Recommended by100%of homeowners
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Solar Solutions - Home Facebook
0.0(
1
)
Home Energy Audit

Serving Brandon, SD and surrounding areas

In business since 1996

Free estimates

We have been your testing and abatement source, energy audits, remodeling, weatherization, radon mitigation, testing for mold, lead and asbestos. \nStudies have shown that homes that are efficiently built or retrofitted with energy efficient measures are not only cheaper to own, but more comfortable, and quiet. We can audit you home to evaluate the performance of your systems. \n

Recommended by100%of homeowners
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Avatar for A1 seamless Rain Gutters inc.
A1 seamless Rain Gutters inc.
4.8(
4
)
Energy Audit - For BusinessHome Energy Audit

Serving Brandon, SD and surrounding areas

In business since 2011

Free estimates

Emergency services offered

Nichols Construction LLC, has a single mission: Complete Customer Satisfaction! We strongly believe in giving our customers the most for their money. So, we work with only the highest quality materials, experienced and professional craftsmen. We have consistently focused on the needs of our customers, providing personalized attention and a stress-free experience. This approach has set us apart and made us one of the leading companies in Sioux Falls, and surrounding areas across South Dakota

Response time6 days
Recommended by100%of homeowners
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SEG
New to Angi
Energy Audit - For BusinessHome Energy Audit

Serving Brandon, SD and surrounding areas

In business since 1971

Free estimates

Small jobs welcome

We are a locally owned and operated company. We value honesty and integrity in all aspects of our business. We offer a variety of home improvement services that are customized to each individual project. We pride ourselves on the quality of our work, as well as our commitment to outstanding results. We look forward to building lasting relationships with our clients and guarantee your satisfaction!

Response time3 days
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Energy Efficiency Auditing questions, answered by experts

Leaving vents open but closing doors in unused rooms will probably not save money on your energy bill. Closed doors prevent the natural flow of air throughout the home, which could reduce the efficiency of the overall HVAC system. They could also restrict airflow into and through the return vents, making the HVAC system less efficient.

After you receive your audit and report, review the findings and determine which of the prescribed changes you want to make to improve your home’s energy efficiency. Start by contacting the type of professionals recommended by the auditor who can help you remedy the issues discovered during the audit. Prioritize the projects by urgency, importance, and budget. Then, gather estimates from several professionals, remembering to verify any necessary licensing and experience information.

Energy-efficient windows are judged on their performance according to a few different factors, including heat transfer, air leakage, light transference, and condensation resistance. If you're unsure whether a window is energy-efficient, look for an ENERGY STAR® label from the U.S. Environmental Protection Agency (EPA). If various products, including windows, meet energy-efficiency standards set by the federal government, the EPA issues this label to help consumers identify energy-efficient products.

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.

Keep the unit full but not overloaded, ensure door seals are tight, set correct temperatures, and avoid frequent door openings. Position the appliance away from heat sources for optimal performance.

The Brandon, SD homeowners’ guide to energy efficiency auditing services

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