Looking for a blower door tester in Marine on St. Croix, MN? Describe your project once and up to five certified energy testers who work in Marine on St. Croix and Washington County get back to you with a quote. It's free and there is no obligation.
Marine on St. Croix is home to about 658 people (2024 Census Bureau estimate), a stable community (−0.9% since 2020). With 168 people per sq mi, it is a semi-rural area. New homes and additions here go through energy code inspections that often include air leakage testing.
Marine on St. Croix at a glance
- Population (Census Bureau estimate, 2024)
- 658 (−0.9% since 2020)
- Rank in Minnesota
- 439th of 855 cities and towns
- Land area
- 3.9 sq mi
- Population density
- 168 people per sq mi (semi-rural)
- Type
- City (Marine on St. Croix city)
- Main county
- Washington County
What to check before hiring in Marine on St. Croix
- Code: in Minnesota, the energy code adopted by the state or city sets the limits and the tests.
- Timing: schedule a pre-drywall test to catch leaks early.
- Report: make sure the report format matches what the inspector expects.
- Price drivers: number of homes, tests and trips.
Useful official resources
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Building Energy Codes Program (DOE)
Official information and guidance.
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RESNET
Official information and guidance.
Services available in Marine on St. Croix
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Blower door test
Air leakage test of the building envelope, with the report required for code compliance.
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Duct leakage test
Duct leakage test of the HVAC system as required by the energy code.
Frequently asked questions in Marine on St. Croix
How much does a blower door test cost in Marine on St. Croix, MN?
It depends on the number of homes and tests. Describe your project: testers who serve Marine on St. Croix reply with a quote.
How long does it take?
About an hour per test for a typical home.
Can I test existing homes?
Yes, it is part of most energy audits.
Which certified energy testers will contact me?
Up to five independent certified energy testers who serve Marine on St. Croix and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.