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*The Angi rating for Energy Efficiency Auditing companies in Lamar, SC 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 Lamar, SC 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 June 25, 2026

Find Energy efficiency auditors in Lamar

Avatar for Carolina Energy Conservation, LLC
Carolina Energy Conservation, LLC
4.2(
118
)
Home Energy Audit

Serving Lamar, SC and surrounding areas

Approved

In business since 2008

Free estimates

Small jobs welcome

"The product being offered clearly outperforms competitive offerings. They took the time to get into the tight space to see any locations that needed to be sealed to prevent energy loss"
Kitchen Solatube Before
Kitchen Solatube After
Leaky Can Light
Sealed Can Light
Master Bedroom (Before Solatube Install)

+22

Response time1 day
93 neighbors recently requested a quote
Recommended by90%of homeowners
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Avatar for Apex Home Innovations, LLC
Apex Home Innovations, LLC
4.8(
25
)
Energy Audit - For BusinessHome Energy Audit

Serving Lamar, SC and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Mr. Miller, with Apex, is SUPER easy to work with and will do you good! They did an awesome job with removing and adding new insulation. They ended up going above and beyond and even doing a little extra work for me!"
Response time5 days
36 neighbors recently requested a quote
Recommended by85%of homeowners
Request Quote
Avatar for South Carolina Solar Project
South Carolina Solar Project
5.0(
9
)
Energy Audit - For BusinessHome Energy Audit

Serving Lamar, SC and surrounding areas

In business since 2017

Free estimates

"The entire process was seamless, from my initial contact with Jon until the project was completed. Jon was always a telephone call or an email away, quite assessible, knowledgeable and professional about the solar industry and financing institutions. My experience was a pleasant one and I've seen a significant reduction in my monthly utility bill."
Additional Photos
Additional Photos
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+61

Recommended by100%of homeowners
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Avatar for HIS Heating and Cooling of the Midlands
HIS Heating and Cooling of the Midlands
4.6(
19
)
Energy Audit - For BusinessHome Energy Audit

Serving Lamar, SC and surrounding areas

In business since 2016

Free estimates

Emergency services offered

"Great workmanship! I'd called at least 2 other technicians within a year, before calling HIS A/C. This was by far the best. I have not had any problems since he repaired the unit."
3.5 Ton Airtemp Gas Package System Installation
2 ton Airtemp Heatpump Condenser Installation
2 ton Airtemp airhandler 5kw heatstrips Installation
Additional Photos
Additional Photos

+29

Recommended by94%of homeowners
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Energy Efficiency Auditing questions, answered by experts

Energy output depends on turbine size, average wind speed at your site, and system efficiency. A 5 kW turbine in a good wind location can generate 8,000 to 12,000 kilowatt-hours per year, which may cover a large portion of an average home’s needs. Accurate output estimates require a professional wind assessment and a review of your household’s energy usage patterns.

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.

Replacing a window frame will improve your home’s energy efficiency if the old frame is cracked or damaged in a way that allows unconditioned air from the outside into your living space or if you upgrade to a more energy-efficient window frame material. Aluminum is the least energy-efficient window frame material, followed by vinyl and wood. Fiberglass and composite frames are the most energy-efficient.

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.

Blower door tests are measured in a few different ways, but the most popular are air changes per hour (ACH) and cubic feet of air (CFM) moving through the house per hour. A good ACH score is less than 2ACH, but 1ACH is better. This means the house experiences a total air change within 60 minutes (for 1ACH). For 2ACH, there’s a complete change every 30 minutes, and so on. CFM scores are similar in that a lower score means less air change, and therefore less leakage.

The Lamar, SC homeowners’ guide to energy efficiency auditing services

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