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*The Angi rating for Energy Efficiency Auditing companies in Wallace, CA 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 Wallace, CA 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 March 15, 2026

Find Energy efficiency auditors in Wallace

Avatar for Apollo Energies
Apollo Energies
4.3(
2
)
Home Energy AuditEnergy Audit - For Business

Serving Wallace, CA and surrounding areas

Approved

In business since 2000

Customers say: Quick response

"Apollo did a fine job assessing my townhomes energy needs. The energy report covered what I needed."
Before and after attic insulation
Attic insulation
Normalized Indoor Iemperatures
Response time2 days
Response rate87%
8 neighbors recently requested a quote
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Avatar for Sunpower Ryan Burr
Sunpower Ryan Burr
5.0(
3
)
Home Energy Audit

Serving Wallace, CA and surrounding areas

In business since 2012

Free estimates

"Ryan was patient and allowed me to ask questions and did not pressure me. If I get approval, from HOA, will hire Ryan to do my solar on the condominium. If approval is not met with the HOA, I will be referring him out and using Sunpower on my next single-family home purchase."
Recommended by100%of homeowners
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Avatar for Honorable Solar LLC
Honorable Solar LLC
5.0(
1
)
Energy Audit - For BusinessHome Energy Audit

Serving Wallace, CA and surrounding areas

In business since 2022

Free estimates

Credit card accepted

"Honorable Solar was amazing from the initial point of contact through the completion of the solar panel installation. The staff was friendly, trustworthy, and true to their word. At the end of the day I saved money and it just made sense! Highly recommend if your interested in Solar and have had weird/bad experiences in the past this will change the way you think about Solar!"
Neighborhood Shingle Roof
Tile Roof with Solar
Response time1 day
Recommended by100%of homeowners
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Showing 1-10 of 22
Energy Efficiency Auditing questions, answered by experts

The number one culprit of high energy bills is older appliances, especially fridges and freezers that are left on all the time. These two appliances tend to last a long time, which is good, but it also means that newer models are usually significantly more energy-efficient due to upgraded technology. The second most common reason for a high bill is heating and air conditioning.

Audits include inspecting insulation, HVAC systems, windows, and appliances to identify energy inefficiencies.

Yes, including optimizing settings and suggesting upgrades if needed.

STC (Sound Transmission Class) is a rating that describes how well a building material or assembly blocks airborne sound. A higher STC rating means less noise will pass through the material, providing better sound reduction. This rating system applies to various building components, including windows, doors, flooring, drywall, and insulation.

For context, a typical single-pane window has an STC rating of around 25 (where normal conversations are audible), while a well-sealed, double-pane window can exceed STC 45 (blocking loud speech and most music). It is important to note that for some products, like soundproofing drywall, the STC rating refers to the entire wall system, not just the individual panel.

Additionally, STC ratings are most effective for measuring sound reduction at mid-to-high frequencies, such as human speech, and may not accurately reflect how well a material blocks low-frequency sounds like bass music or thunder. Because of these factors, it is recommended to consult a professional to determine the right STC-rated materials for your specific soundproofing needs.

Yes, advising on models that save electricity and reduce utility bills.

The Wallace, CA homeowners’ guide to energy efficiency auditing services

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

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