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Blower Door Test Results Roanoke, VA

Blower Door Test Results Roanoke, VA 2025

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The document outlines the procedures and requirements for conducting a Blower Door Test in Roanoke, VA, including necessary information about the contractor, testing location, methods used, and qualifications of the tester. It emphasizes compliance with the 2018 Virginia Residential Code and includes a section for test results and signatures to confirm accuracy.

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What is a good ACH score?

Scoring Air Tightness For air changes per hour (ACH), a result of less than 0.6 ACH is considered very good, while anything above 1.5 ACH indicates that there is docHub room for improvement.

What is a good cfm50 score?

If your home is 2000 square feet, a blower door number of 2000 cfm50 is decent (but not especially good). b. If your home was 5000 square feet, we would like to see your number a good bit below 5000, perhaps 3500 or so. Larger homes are often a bit easier to tighten.

What are good blower door test results?

In general, for existing homes, a score below 5 ACH50 (Air Changes per Hour at 50 pascals) is considered good, while 3 ACH50 or lower is excellent. For new construction, standards are often stricter.

What do blower door test results mean?

Blower door test results are typically expressed in two ways: Air Changes per Hour (ACH) This indicates how many times the air in a house would be completely replaced in one hour if the blower fan ran continuously. A lower ACH score indicates better air sealing.

What is the standard for blower door test?

ASHRAE ( American Society of Heating, Refrigerating and Air-Conditioning Engineers) recommends 0.35 ACH. The IEEC states that the air leakage should not exceed 3.0 ACH (air changes per hour). ACH measures the volume of air that enters and exits a defined space in one hour.

What is the average cost of a blower door test?

A blower door test costs around $325 on average, but you might pay between $200 and $450, depending on a few different factors. This test is a great way to know whether your home is leaking precious heat or air conditioning, and the results can help you pinpoint those leaks and seal them.

How hard is it to pass a blower door test?

It is estimated that 50% of newly constructed homes will fail the blower door or air-tightness test. Most blower door test failures occur because of a lack of understanding of what is necessary to create a continuous air barrier system.

Blower Door Test Results Roanoke, VA 2025

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What is a good ACH score?

What is a good cfm50 score?

What are good blower door test results?

What do blower door test results mean?

What is the standard for blower door test?

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Blower Door Test Results Roanoke, VA 2025

Here's how it works

How to quickly redact Blower Door Test Results Roanoke, VA online

Complete this form in 5 minutes or less

Got questions?

What is a good ACH score?

What is a good cfm50 score?

What are good blower door test results?

What do blower door test results mean?

What is the standard for blower door test?

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People also ask

What is the average cost of a blower door test?

How hard is it to pass a blower door test?

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