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Blower Door & Duct Leakage Testing in St. Louis, MO

NCI-certified technicians. Fixed-fee proposals within 24 hours. Missouri & the Midwest since 2009.

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📞 (859) 983-7382

NCI Certified

Founded 2009

90+ Projects

Fully Insured

ASHRAE 111

IBHS FORTIFIED

Blower Door & Duct Leakage Testing in St. Louis, MO is delivered by HECS — an NCI-certified, Kentucky-based testing firm serving Missouri and the broader Midwest since 2009. A 4-hour drive from our Louisville HQ. Travel cost quoted up front. We serve St. Louis Metro — including St. Louis County, St. Charles County, Jefferson County, Franklin County, and St. Louis City.

Why St. Louis property owners choose HECS for Blower Door

Local code officials, builders, developers, and program administrators across Missouri trust HECS for third-party Blower Door.

  • NCI-certified field technicians — every HECS tech holds current NCI Certified Commercial Air Balancer credentials. The person who takes the readings is the person who signs your report.
  • Fixed-fee proposals in 24 hours — not estimates, not time-and-materials. We quote travel cost up front, so the invoice matches the proposal.
  • Reports that pass program review — ENERGY STAR, NGBS Green, EarthCraft, 45L IRS Form 8908, FORTIFIED IBHS submission, code-official review. We deliver in the format your reviewer needs.
  • Local code expertise — 2018 IBC with Missouri amendments; 2018 IECC with Missouri-specific amendments; MHDC requires ENERGY STAR Multifamily or NGBS Green for LIHTC-funded multifamily developments.
  • One project manager for the whole job — TAB, blower door, energy cert, FORTIFIED: we coordinate scheduling so you make one phone call, not five.

How the Blower Door project works in St. Louis

  1. Free scoping call (under an hour). Call (859) 983-7382 or email hecs@hecsusa.com with your project type, building size, program of record, and rough-in or final inspection schedule.
  2. Fixed-fee proposal within 24 hours. Deliverables, schedule, and the credentials of the tech who will sign your report — all in writing.
  3. Field work by NCI-certified techs. Most blower door projects in the St. Louis metro complete in 1 site visit.
  4. Certified report delivered within one week. Format matches your program — AABC, NEBB, NCI, RESNET, ENERGY STAR, NGBS, EarthCraft, FORTIFIED, or custom code-official.
  5. Program submission support. We coordinate with your rater, commissioning authority, code official, or program reviewer as needed.

Frequently asked questions — Blower Door & Duct Leakage Testing in St. Louis

How much does blower door testing cost in St. Louis?

HECS quotes Blower Door projects on a fixed-fee basis after a free scoping call. Cost depends on building size, project complexity, and program requirements. Most St. Louis projects fall within our standard Midwest service rate. Call (859) 983-7382 or email hecs@hecsusa.com for a project-specific quote within 24 hours.

Do you travel to St. Louis for blower door projects?

Yes. A 4-hour drive from our Louisville HQ. Travel cost quoted up front. For projects outside our 4-hour radius, we partner with local field techs to minimize travel cost while maintaining NCI-certified sign-off on every report.

What certifications does HECS hold for blower door in Missouri?

HECS field technicians hold NCI Certified Commercial Air Balancer credentials (valid through December 2026). HECS is also an IBHS FORTIFIED Home Evaluator, RESNET Certified HERS Rater, ENERGY STAR Multifamily Reviewer, NGBS Green Certified Verifier, and EarthCraft Certified Verifier. Every HECS report is signed by a credentialed technician — never outsourced, never subcontracted for the signature.

Can HECS coordinate with my St. Louis code official or commissioning authority?

Yes. HECS regularly coordinates Blower Door with local code officials, commissioning authorities (CxA), and HERS raters across Missouri — including MHDC (Missouri Housing Development Commission) program reviewers. We deliver reports in the format your reviewer requires and attend coordination meetings when requested. References from St. Louis-area code officials and developers available on request.

Blower Door & Duct Leakage Testing service area near St. Louis

HECS also delivers Blower Door in:

Get a St. Louis Blower Door proposal

Fixed-fee proposal within 24 hours — not an estimate.

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📞 (859) 983-7382

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