Blower Door Testing in Houston, TX
Blower Door Testing in Houston, TX
Code‑Compliant Air Leakage Testing by Flat‑Out Plumbing, HVAC & Restoration
Whether you’re building a new home or upgrading your current one for energy efficiency, Blower Door Testing is a critical step toward compliance, comfort, and cost savings. At Flat‑Out Plumbing, HVAC & Restoration, we provide professional blower door testing services that meet and exceed International Building Code (IBC) requirements—so your project passes inspection the first time.
We serve homeowners, builders, and property developers across Houston, TX with code‑compliant air leakage testing for residential and light commercial properties.
🏡 What Is a Blower Door Test?
A blower door test measures the air tightness of your building envelope. By using a calibrated fan mounted to an exterior door, we depressurize your home and identify where air leaks are entering or escaping.
- Drafts and energy loss
- Poor insulation or leaky ducts
- Infiltration points around doors, windows, attic hatches, or framing
- Whether the home meets IBC and energy code requirements
A tighter building envelope = better comfort, lower energy bills, and improved indoor air quality.
📏 Blower Door Testing & International Building Code (IBC) Compliance
✅ 2021 International Residential Code (IRC) / IBC Requirements:
- New residential construction (single‑family and duplexes)
- Major additions or remodels over 30 % of existing structure
- Projects seeking energy efficiency certifications (e.g., ENERGY STAR, HERS)
📉 Air Leakage Limits by Code:
- ≤ 3 ACH50 (Air Changes per Hour at 50 Pascals) in most climate zones, including Houston (Climate Zone 2)
- Testing must be conducted by a certified third‑party technician
- Must include documentation of pressure readings, building volume, and leakage rate
Flat‑Out’s technicians follow strict testing protocols using calibrated equipment and provide a code‑compliant report for your builder, inspector, or energy consultant.
🔍 Our Blower Door Testing Process
- Pre‑Test Walkthrough
We inspect your home or building envelope for visible leaks and sealable gaps. - Setup & Calibration
A blower door fan is installed in an exterior doorway and connected to digital pressure gauges and software. - Depressurization Testing
The home is depressurized to 50 Pascals. We measure the leakage rate in CFM and ACH50. - Leak Detection & Optional Smoke Tracing
We use thermal cameras or smoke pens to find hidden leaks. - Official Report & Code Documentation
After testing, we provide a comprehensive report with air leakage values and pass/fail indication.
🛠️ Why Choose Flat‑Out for Blower Door Testing?
✅ Certified blower door technicians
✅ Compliant with IBC, IRC, and Texas Energy Code
✅ Fast scheduling and next‑day reporting
✅ Ideal for builders, remodelers, inspectors & homeowners
✅ Family‑owned and trusted locally in Houston, TX
💡 Pro Tip: Pass the First Time
- Pre‑sealing inspections
- Duct sealing and leak repair
- Foam insulation upgrades
- Smart ventilation systems
📞 Schedule Your Blower Door Test Today
Need to pass inspection or verify your home’s energy performance? Flat‑Out Plumbing, HVAC & Restoration has you covered.
📱 Call: 832‑904‑9001
📍 Serving Houston and Surrounding Communities
Flat‑Out Accurate. Flat‑Out Code Compliant. Flat‑Out Energy Smart.
What people say about our services

Thomas Kirch
HoustonCalled these guys for a burst pipe emergency at 2 AM and they were at my house within an hour! The technician was professional, explained everything clearly, and had the problem fixed quickly. Fair pricing too. Will definitely use them again.

Heather Myer
KatyOutstanding service from start to finish. They replaced my old water heater and updated some outdated fixtures. The team was punctual, clean, and respectful of my home. The quote was competitive and there were no surprise charges. Highly recommend!

James Greene
Sugar LandSolid work on fixing our kitchen sink leak and installing a new garbage disposal. The plumber arrived on time and completed the job efficiently. Only downside was the initial phone response was a bit slow, but the actual service made up for it.

Lisa Mustafa
CypressThese folks saved my weekend! My toilet was completely clogged and nothing I tried worked. They came out same day, fixed the issue in 30 minutes, and even gave me tips to prevent future problems. Great customer service and reasonable rates
Areas We Serve
- Downtown Houston
- The Heights
- Memorial
- River Oaks
- Montrose
- Galleria
- Cypress
- The Woodlands
- Tomball
- Humble
- Kingwood
- Katy