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

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Last update on February 19, 2026

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Capital City Construction, LLC
New to Angi
Energy Audit - For BusinessHome Energy Audit

Serving Nitro, WV and surrounding areas

In business since 2009

Free estimates

Do you want to lower your energy bills? Increase your homes resale value? Protect your health? Or just Go Green? We can help! Capital City Construction is your all-inclusive solution to a green home and energy savings. We will thoroughly test your home using specialized testing equipment such as the Blower Door, Duct Blaster and Infrared Camera to create a plan that will protect your family and your wallet. From the Home Energy Audit, to completing the home improvements, to filling out the rebates forms, Capital City Construction will ensure your transition into an energy saving home is as effortless and affordable as possible. Capital City Construction specializes in energy audits of home and commercial buildings. Recommendations can range from improved energy-savings practices, structural improvements, and systems retrofits to energy conservation behavior changes among building occupants. Not sure if you need your home inspected right now? We can help you!!!

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Avatar for JCS Contracting
JCS Contracting
New to Angi
Home Energy Audit

Serving Nitro, WV and surrounding areas

Free estimates

Emergency services offered

Warranties offered

Welcome! Let me be the first to welcome you to the JCS Family! I’m Jeramie, owner/operator of JCS Contracting! From window replacement and roof repair to siding repair and baby proofing! Big or small, WE DO IT ALL!!

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Energy Efficiency Auditing questions, answered by experts

Solar water heating systems are not one-size-fits-all. You'll likely work with a team of experts to get the job done—including solar panel installers, plumbers, and water heater installers. A specialist will help you decide if a passive or active system is best for your local weather, home layout, roof stability, and your budget.

There is no blanket figure for a residential home’s electrical load, since load varies by the size of the home, how many appliances are used, and the efficiency of their electrical systems. Typically, however, it’s safe to assume 40 to 60 amps is the average electrical load of a residential home. 

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.

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.

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 Nitro, WV homeowners’ guide to energy efficiency auditing services

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