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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

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

Yes, barndominiums are energy-efficient as long as insulation professionals properly install quality insulation, windows, and doors. Utility bills for barndo living can be up to 50% lower than those for a traditional home.  Make your barndo more energy efficient by working with contractors and HVAC professionals to strategically place windows, doors, and heating/cooling systems. 

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.

No, it isn’t necessary to have energy-efficient windows. However, if you care about your energy bill and making your windows more energy efficient, fixing any heat, UV, or air transfer issues is an excellent way to lower your bills and keep your house cooler in the summer and warmer in the winter.

Homeowners can often access federal tax credits, such as the Investment Tax Credit (ITC), which covers a percentage of installation costs. Many states and utilities offer additional rebates, grants, or performance-based incentives. These programs can significantly lower your upfront investment. Check the Database of State Incentives for Renewables and Efficiency (DSIRE) or contact your local energy office for current offers.

The Nitro, WV homeowners’ guide to energy efficiency auditing services

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