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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon15
    Verified energy efficiency auditing services reviews

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

Avatar for Star Energy Consultants, LLC
Star Energy Consultants, LLC
4.8(
18
)
Home Energy Audit

Serving Peculiar, MO and surrounding areas

Approved

In business since 2009

Free estimates

Small jobs welcome

"Everything went pretty well. We were especially pleased with the insulation installer. The assessment seemed a little cookie cutter. The assessor setup the blower device and wanted to be on his way ASAP after it was completed. They generated a huge report with recommendations and explanations of energy audits, energy use, potential savings, etc. I had some followup questions, the home energy auditor was not always responsive to email questions. I have more questions than most people. Generally speaking the job was done relatively well and I'm confident our home is less drafty than before."
Blower Door Testing
Response time1 day
1 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Insulation Pros
Insulation Pros
4.9(
73
)
Energy Audit - For BusinessHome Energy Audit

Serving Peculiar, MO and surrounding areas

In business since 2013

Free estimates

Emergency services offered

"Larry and his team were incredible from start to finish. Larry was prompt in coming out and keeping his word, from our meeting time to the cost of the project. His team was extremely knowledgeable and thorough. His team pointed out issues that needed immediate attention and addressed them accordingly at no extra charge. I know the return on investment will be easily visible on my energy bills for years to come. I have another insulation project slated for next spring and will not even think to call anyone else. To anyone reading this, I recommend you do the same."
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+16

Recommended by97%of homeowners
Avatar for NRC Services, LLC
NRC Services, LLC
4.5(
6
)
Energy Audit - For Business

Serving Peculiar, MO and surrounding areas

In business since 2016

Free estimates

Credit card accepted

NRC Services, LLC, is primarily focused on creating responsible, knowledgeable, and comfortable property owners. With over 10 years of experiences in the energy services and construction industry, I know the importance in a thorough, complete, and safe inspection. Coupled with ongoing training, and knowledge of how the utility industry changes, I hope to provide each individual with an inspection that can provide immediate and ongoing benefits for: \n \n -Real Estate Inspections for Purchase or Sale. \n -Ongoing Maintenance Plans. \n -Energy Efficiency Studies. \n -Construction Project Management. \n -Consulting. \n \nCall us today for a free estimate!

Closet Barn Door
Closet Barn Door
Partition Wall
Partition Wall
Finished Installation

+1

Response time1 day
Recommended by75%of homeowners
Morning Star Windows & Siding of KC Inc
4.6(
80
)
Energy Audit - For BusinessHome Energy Audit

Serving Peculiar, MO and surrounding areas

In business since 2011

Free estimates

Emergency services offered

"Very well.  Morning Star referred me to a free energy audit as a Missouri resident which will provide a $400 credit to my utilities.  The windows installed were double pane Heartland windows.  I've seen a significant reduction in my electric bill this summer immediately.   The installers did a great job.  I will be asking for their assistance again to finish the remainder of my windows.
"
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+18

Recommended by90%of homeowners
Avatar for Liles Heating and Cooling, LLC
Liles Heating and Cooling, LLC
5.0(
7
)
Energy Audit - For BusinessHome Energy Audit

Serving Peculiar, MO and surrounding areas

In business since 2010

Free estimates

Emergency services offered

We are a full service company. Also we offer service contracts for an affordable price and 15% off on any parts. 24hour same day service. Also we offer Plumbing,Electrical and Heating and Cooling service and installation. Geothermal is one of our specialties. All major credit cards are Excepted and financing available with Approved Credit.

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+14

Recommended by100%of homeowners
Avatar for Mammoth Heating and Cooling LLC
Mammoth Heating and Cooling LLC
4.9(
9
)
Energy Audit - For BusinessHome Energy Audit

Serving Peculiar, MO and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"Fantastic company!!! Mammoth removed my conventional HVAC and all ductwork while upgrading my home to an energy efficient split system.... which is amazing! My entire house is comfortable, the system is great and our overall energy bills have dropped! The Mammoth team were on top of their game and I couldn’t be happier with their service."
Agnus Arts HVAC
Agnus Arts HVAC
Agnus Arts HVAC
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+9

Recommended by100%of homeowners
Avatar for Endeavor Home Performance LLC
Endeavor Home Performance LLC
5.0(
1
)
Home Energy Audit

Serving Peculiar, MO and surrounding areas

In business since 2006

Credit card accepted

You deserve a home that is comfortable, healthy, durable, and efficient. During our standard $500 Home Performance Assessment, we will use state of the art tools and years of experience to gauge the overall performance of your home, and determine where improvements can be made. Areas of the assessment will include, air sealing, insulation, windows & doors, HVAC, and appliances. At the end of the assessment, you will receive a report with recommendations for improvements and estimated energy savings. Then if you choose to go forward with upgrades, we can provide project management, additional testing, and quality assurance to be sure the job gets done right. At Endeavor Home Performance, we believe that you deserve to feel great in your home. Our goal is to make it happen! \n \n

Blower Door Test
Fog Machine
Infrared Camera
Combustion Appliance Testing - CO
Combustion Appliance Testing - Natural Gas

+1

Response time1 day
Avatar for R&J Solar LLC
R&J Solar LLC
5.0(
2
)
Energy Audit - For BusinessHome Energy Audit

Serving Peculiar, MO 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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+3

Recommended by100%of homeowners
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Energy Efficiency Auditing FAQs, answered by experts

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.

When installing a new furnace, it's a good time to consider other projects that can enhance your home's energy efficiency. A great first step is to get a home energy audit, which will identify areas for improvement. Common recommendations include sealing or replacing windows and adding insulation to the attic. These upgrades can help you save money on monthly utility costs. You might also consider installing a smart thermostat to make heating your home more convenient and efficient.

A small sump pump running infrequently uses an average of 10 kilowatt-hours (kWh) of electricity per month. The average cost for electricity is $0.171 per kWh. The size and use frequency affect how much electricity it uses. Sump pumps average one-third to one horsepower (hp) motors. One hp is equal to 745.7 watts. Watts multiplied by the time your pump is running divided by 1,000 equals your average kWh. Multiply kWh by your average cost of electricity. In areas with high rain or a marsh basin, the average cost can be as high as $15-$25 a month.

The three levels of home energy audits include:

  • Level 1: Review of your energy bills and home for signs of energy inefficiency and areas for improvement. The average cost range is $0.08 to $0.12 per square foot.

  • Level 2: A level 2 ASHRAE energy audit costs $0.12 and $0.35 per square foot. In-depth analysis of your energy usage and provides a report of cost-saving changes.

  • Level 3: Comprehensive analysis and detailed recommendations for ways to improve your home’s energy efficiency. A level 3 audit costs about $0.36 to $0.50 per square foot.

Modern windows provide enhanced UV protection, improved heat retention, and cooling efficiency, contributing to overall household energy savings.

The Peculiar, MO homeowners’ guide to energy efficiency auditing services

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