HVAC Contractors
Independent duct leakage tests and formal documentation for inspection and permit closeout.
NEW JERSEY & EASTERN PENNSYLVANIA
Blower Door & Duct Leakage Tests for New Residential Construction
Keystone provides independent blower door and duct leakage tests for new residential construction throughout New Jersey and eastern Pennsylvania. As a testing-only company, we provide clear results and formal compliance documentation without selling corrective work.
$200 OFF YOUR FIRST COMBINED TESTING PROJECT
New Keystone clients can save $200 on their first combined blower door and duct leakage testing project!
Regular price: $699
New Client price: $499SCHEDULE A TESTWho We Serve
Developers & General Contractors
Coordinated testing for individual homes, recurring projects, and multi-unit residential developments.
Builders
Blower door and duct leakage tests scheduled around inspection and closeout deadlines.
Blower Door Test Duct Leakage Test Additional HVAC System Retest
$349 $349 $249 $199
Final pricing depends on the services requested, number of HVAC systems, project location, site readiness, and any additional testing requirements.
Single Test Pricing
Transparent pricing for individual blower door and duct leakage tests.
SCHEDULE A TESTThe Keystone Partner Program
Preferred Pricing for Recurring Projects
Keystone offers preferred volume pricing to builders, developers, and HVAC contractors with recurring projects. Pricing is based on anticipated annual test volume, helping contractors plan costs across upcoming work. Call or email to discuss your projected volume and available Partner Program pricing.
Discuss Partner PricingHow Blower Door and Duct Leakage Tests Work
A calibrated fan measures air leaking through your home’s enclosure or ductwork. We compare the results with your project’s requirements and provide compliance documentation.
Contact Us Schedule Online
Submit the project address, requested tests, plans, and basic project details through our online booking form.
On-Site Testing
A BPI-certified tester completes the required blower door test, duct leakage test, or combined service.
Results & Certification
Keystone sends the invoice and test results after the appointment. Once payment is received, your formal test certificate is issued the same day.
Service Area
Our Service Area
Keystone serves new residential construction in New Jersey, eastern Pennsylvania, and Delaware, including projects in Bucks and Montgomery counties. Delaware County projects are accepted by confirmation based on the project address and schedule.
Our service area extends to locations within approximately a two-hour drive of our Mount Laurel base. Share your project address so we can confirm travel time, availability, and scheduling.
Contact UsReady to Schedule?
Submit the project details online, and Keystone will confirm the required tests, appointment, and site-readiness requirements.
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