New Brunswick · Energy · checked September 28, 2026

Blower door testing in Moncton

A blower door test measures how leaky a house is and shows where the leaks are. In Moncton, with about 4,514 heating degree-days a year, every leak runs up the heating bill for most of the year.

A red blower-door panel with a large fan fitted into the front doorway of a brick bungalow, a pressure gauge on a stool inside

Cost

Included in an evaluation

Evaluation price

$99 + HST

Licensed organizations

4

Houses built before 1961

24%

How Moncton is built

Moncton's houses by when they were built Ten house shapes, one for each tenth of Moncton's 23,365 houses. Before 1961: 24%, 1961–1990: 37%, 1991–2000: 12%, 2001 or later: 28%. Older houses glow hotter.
  • Before 1961 24%
  • 1961–1990 37%
  • 1991–2000 12%
  • 2001 or later 28%
Each house stands for one in ten of Moncton's 23,365 houses (single-detached, semi-detached, row and duplex), drawn by when it was built. The glow shows the usual pattern: older houses tend to be leakier and less insulated. Snowfall scales with heating degree-days. Sources: Statistics Canada 2021 Census (table 98-10-0233-01), NRCan HOT2000 climate data.

Why air leakage matters in Moncton

Moncton gets about 4,514 heating degree-days a year and has a winter design temperature of −22.1°C, according to NRCan's HOT2000 climate data for Moncton International. That's about 15% more heating demand than the middle of the 70 cities we cover.

Of Moncton's 23,365 houses (single-detached, semi-detached, row houses and duplexes), 24% were built before 1961 and 60% before 1991, according to the 2021 Census. Older houses usually test leakier than newer ones, and an EnerGuide report compares your result with homes of the same era, so you can see whether your house is typical or a problem.

After you seal: two checks

  • Radon. Sealing shifts the pressure balance between the house and the soil. Health Canada's 2012 survey found 19.8% of 106 homes tested in the Region 1 health region above the guideline. The larger 2024 Cross-Canada survey reports 8.1% (1 in 12) of houses at or above the guideline for the Moncton, NB (Moncton CMA) metro area. Test before and after big air-sealing jobs. Radon testing in Moncton

What it costs in Moncton

A blower door test is part of every EnerGuide evaluation rather than a separate purchase. Through the Total Home Energy Savings Program, a Certified Energy Advisor charges $99 + HST, covering both the initial and final evaluations.

How the test works

  • A calibrated fan is fitted into an exterior door and pulls air out until the house is at 50 pascals, the standard test pressure.
  • The result is air changes per hour at 50 Pa (ACH50): how many times an hour the whole volume of air would leak out and be replaced at that pressure.
  • While the fan runs, you and the advisor walk the house and feel for leaks at the attic hatch, rim joists, pot lights, trim and plumbing and wiring penetrations.
  • A second test after the work shows what changed, and it is what most rebates pay on.

The blower door test in detail.

NRCan-licensed service organizations serving Moncton

A blower door test is part of every EnerGuide evaluation, so any organization below can do one in Moncton. Ask to walk the house with the advisor while the fan runs.

Source: NRCan list of licensed service organizations, checked September 28, 2026. Call to confirm your street is covered and ask about wait times.

Programs that include a blower door test in Moncton

Blower door test in Moncton: common questions

Where can I get a blower door test in Moncton?

Book an EnerGuide evaluation with any of the 4 NRCan-licensed organizations serving Moncton; the blower door test is part of every evaluation.

How much does a blower door test cost in Moncton?

It is included in an EnerGuide evaluation. Through the Total Home Energy Savings Program, a Certified Energy Advisor charges $99 + HST, covering both the initial and final evaluations.

What is a good blower door result?

Lower is better. Your EnerGuide report compares your air changes per hour at 50 Pa with homes of the same era, which is more useful than a single target number.

Does air sealing affect radon?

It can. Tightening a house changes the pressure difference with the soil, so test for radon before and after major air sealing.

Blower door test near Moncton

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