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Avatar for Crawl Space Systems
Crawl Space Systems
4.5(
13
)
Energy Audit - For BusinessHome Energy Audit

Serving Smithfield, VA and surrounding areas

In business since 1988

Free estimates

Emergency services offered

"Outstanding, very happy with overall product. Final product is very neat and clean, and will improve overall quality and value of my house. Initially provided quote requiring no down payment. Quote was $2K less than similar company, whose quote did not include the structural repairs. Policy changed requiring 30% down payment at contract signing, but honored initial quote of no down payment. Honored $300 coupon. Agreed to more powerful dehumidifier than quote to ensure adequate coverage per manufacturers recommendation. Installed girder entire length of house at no extra cost, though quote was for slightly over half the house. When drywall cracked after jacking, had painter respond next day to patch and paint. Collaborative final inspection. Had worker come back after inspection to tape minor rips in moisture barrier, and left extra tape. Took split payment, check and credit card. Cleaned up every day, had access to crawl space daily normally without requiring access to house. Trustworthy. Feel like they will be responsive if there are any issues in future."
Air Infiltration
Moisture Behind Masonry
Moisture Behind Masonry
Recommended by100%of homeowners
Top Rope Inspection Services, LLC
New to Angi
Home Energy Audit

Serving Smithfield, VA and surrounding areas

In business since 2014

Free estimates

In newer and older homes, the best way to ensure that you are well informed about the strengths and weaknesses of a property is with a Top Rope Inspection Services, LLC. Upon completion of the inspection, we will make sure you fully understand each and every item in the report and the importance of each item. Call us today for a fair, unbiased inspection.

Avatar for Ace Handyman Window Division, Inc.
Ace Handyman Window Division, Inc.
1.9(
99
)
Home Energy Audit

Serving Smithfield, VA and surrounding areas

In business since 1980

Free estimates

Warranties offered

"I manage rental properties. I came in contact with Ace through Home Advisor. This was after I thought I had someone to do the work, that person never showed. So I signed up through Home Advisor. Ace called me right away, they came out the next day. I decided to use them only because I was in a severe time crunch to get the work done. That was a great decision. They had 3 days to complete inside and outside work. They did vinyl trim work around the whole property. They had to take down gutters that had rotted out before they even started. Once David took down the gutters there was a lot of rotted wood, they replaced all this first. I had to keep pictures for records and wish I could put these on the review because there was so much wood that had to be replaced. Two entry doors were installed, along with a garage door. The inside work was just some small jobs. They worked on Saturday and Sunday to get this job done in the time fram I needed. I plan on using them for other rental properties I manage as well as my own home. I would recommend Ace as well as Homeadvisor."
Roofing
Roofing
Roofing
Roofing
Standing seam metal roofs

+52

Response time1 day
Recommended by80%of homeowners
Energy Efficiency Auditing questions, answered by experts

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.

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.

Keep the unit full but not overloaded, ensure door seals are tight, set correct temperatures, and avoid frequent door openings. Position the appliance away from heat sources for optimal performance.

While many states require all new construction to undergo blower door tests, it’s not a requirement for existing homes. But in both cases, a blower test helps confirm that the contractor has sealed the exterior, that the type of ductwork installed is functioning properly, and that your home is as efficient as possible.

The difference between an energy auditor and a home inspector is primarily in the purpose of the inspection. The energy auditor conducts tests in your home to determine the energy efficiency levels in areas like windows, insulation, and doorways. The auditor then makes recommendations for ways to improve a home’s energy efficiency

A home inspector examines various structures of your home to determine that everything is up to code and gauge the condition of features like the roof, foundation, HVAC, and electrical. The home inspector reports on the overall home and makes repair recommendations.

The Smithfield, VA homeowners’ guide to energy efficiency auditing services

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