Blower door / Guides

LEED Homes

The 19 LEED for Homes Prerequisites

...blower door test. 11.1 Refrigerant charge test: If your home has an air conditioning system with refrigerants, provide proof of a proper refrigerant charge of the system. Materials & Resources (MR) 1.1 Framing order waste factor limit: Limit the overall estimated waste factor of framing materials to 10% or le...

Passively-heated off-grid LEED house in Low, Quebec
Off-grid and Net-Zero Housing

Off-grid living blog: a firsthand account of building and living in a remote area

...door (hence the name 'blower door test'). Old leaky homes may have an ACH rating of 10 (or even much higher), meaning that when depressurized, the conditioned interior air is replaced by outside air about 10 times each hour. Passive House rules require .6 ACH or lower. Our house, with the polyethylene barrier mention...

Tips for finding a reliable green home builder
How to Find Qualified Green Building Professionals

How to choose a home-building contractor

...blower door tests? Do you do energy modelling? What do you do to avoid thermal bridging in walls? What are your preferred types of insulation? Which type of wall assembly do you recommend? What is the most important feature in a home that affects energy efficiency? Why do many basements smell mouldy? Th...

Condensation on windows leads to mold & mildew in homes, ERV & HRV systems help

Ventilation & air exchangers

...door home environments. This range can be maintained under more or less all conditions with the only energy penalty being the electric for the blower to overcome the pressure drop in the system. If you need help choosing between an HRV & ERV system, see here Indoor air quality is important for many reasons: P...

Canada Greener Homes Grant 2021 - How to apply fiberglass attic insulation
Grants and incentives

Canada Greener Homes Grant 2021 - the "how to apply" guide - step by step

...blower door test comes in Maximum Grant Amount: Up to $1,000 Replacement Windows and doors Replace your windows or glass doors with ENERGY STAR® certified models Maximum Grant Amount: Up to $5,000 Smart Thermostats Add a smart thermostat to help improve your comfort and save money on your energy bil...

High efficiency fireplaces and how to choose one
Wood stove and biomass heat

Choosing the right wood-burning stove or fireplace for both heat output & the environment

...door (as seen in the main image above); free-standing wood stoves are the ones with legs and a visible flue pipe. All the same rules apply in terms of stove size, particulate emissions and techniques for burning wood efficiently; the difference, beyond the visual, is about heat distribution. Freestanding wood stoves ...

How much is Too Much Insulation in my Attic or Walls?
Insulation and soundproofing

How much insulation is too much in attics and walls?

...blower door test . So, follow that logic for a moment – when homes lose less heat, they need to ADD less heat. And sometimes…not all the time but sometimes… that can also mean reduced costs in heating and cooling infrastructure. What that in effect means, is that rather than buying a big furnace to heat a poorly insu...

Passively-heated off-grid LEED Gold home
Off-grid and Net-Zero Housing

Off-grid living blog part 6 - energy modeling projections and real performance

...blower door test showed that we had an air-tightness of 1.47 [email protected], but as I outlined in this post, the house is probably tighter now and this heat loss lower than the model suggests. The concrete slab and foundation walls, at 2,314 kWh and 1,435 kWh respectively, are probably the only places that I wish I would...

Passive House in Quebec
Passive House

The Passive-Aggressive House - Our History of a Passivhaus Build

...blower-door test proved the house met the air-tightness requirements, which is no small feat. Near the end, passers-by would holler out, “Nice house.” Much like the process of having a baby, we took great pains to ensure the health and safety of our creation, and then only wanted to hear how darn cute he was. And c...

How to fix noisy baseboard heaters
Heating and cooling

Fixing noisy baseboard heaters, How to stop that clicking easily !

...blower door test before installing a full house of baseboard heaters. That said, if the home is reasonably efficient, then electric heating can still be a good choice . If the electricity they consume is generated sustainably, then electric baseboard heaters can be an economical and eco-friendly choice for heating sy...