Air conditioning / Guides

Reducing the need for air conditioning
Heating and cooling

How to keep homes cool without air conditioning

...air. Read more here about vertical gardens and living green walls inside homes. Heat pump water heaters help cool a home as they extract heat from the air to generate hot water . Rather than shooting hot air at your neighbours house, a heat pump water heater converts heat in the air into hot water, and the result is ...

Reflective window film to reduce overheating
Windows and doors

Product feature: window film treatment to reflect heat and lower air conditioning bills

...air conditioning to keep a home cool during extreme heat waves, the investment in mechanical systems and the operational energy costs can be significant , and that will continue to grow just as the frequency and severity of extreme heat advisories grows. The environmental impact and greenhouse gas emissions from home...

Wildfire Smoke & How to Keep it Outside Homes
Healthy indoor air quality

How to keep wildfire smoke out of Green Homes with mechanical ventilation systems?

...air. Window air conditioners should not be used during wildfires, unless their outdoor air intake can be closed. A portable air cleaner is recommended to complement air sealing and filtering measures during a wildfire. The air cleaner should have a High Efficiency Particulate Air (HEPA) filter, which blocks 99.97% of...

Heat pump hot water heaters, why they're a good idea
Plumbing and water heaters

How heat pump hot water heaters work and why you should get one

...air conditioning as it removes heat from the air to generate hot water and produces cooler air for in the home. Where there is hot humid air, which is usually the bathrooms, a heat pump water heater can recyle this air, drying it and removing the heat in one operation while heating hot water for the next bath or shower...

Problem areas of air leakage in a home and blower door test being cond
Air and vapour barriers

Airtight Construction of Homes is Essential: "Your house sucks." "Oh yeah? your house blows!"

...Air Tightness in Houses - All about Balancing Air Pressure in the Home We go on incessantly here about the importance of air barriers in home construction to reduce air leakage , but no matter how hard you worked to make a house airtight, if the pressure isn't balanced you will be sucking air in or forcing it out and...

Poly vapour barriers in air conditioned houses can cause mold and rot
Healthy indoor air quality

Why you should Never Install Air-Con in a Home with a Vapor Barrier

...Air-Con = Damp Moldy Walls So here's a little known fact that most HVAC installers won't tell a potential new client for central air; Polyethylene vapor barriers in combination with air conditioning in homes can rot walls because of the condensation they may cause. This is why if you have a newer home with a vapor ba...

Warm light and dimmable LED bulbs
Lighting

All about LED bulbs - video

...air conditioning system work harder. Compact fluorescent bulbs (CFLs) were a great stop along the way but have passed their usefullness in our opinion. CFL bulbs are more efficient than incandescent bulbs but less so than LEDs. Their life span is shorter, and in the event of one breaking, Health Canada recommends venti...

What is Interstitial Condensation? (And how to stop it!)
Walls and Roofs

What is Interstitial Condensation in Walls or Roofs? (And how to stop it!)

...air conditioning? Yes it can, but unfortunately most HVAC installers won't tell potential new central-air clients about that fact. Polyethylene vapor barriers in combination with air conditioning in homes can rot walls because of the condensation they may cause. This is why if you have a newer home with an impermea...

The difference between air barriers and vapour barriers
Air and vapour barriers

The Difference between air barriers and vapor barriers

...air barriers and vapor barriers The job of a vapor barrier is to prevent vapor diffusion, and the job of an air barrier is to stop air leakage through differences in air pressure. A wall system should have one vapor barrier, but can have many air barriers. A vapor barrier can act as a very effective air barrier, but ...

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

Ventilation & air exchangers

...Air Conditioning) or HRVs (Heat Recovery Ventilators). The point of these systems is to remove moisture and provide fresh air to your home that is pre-heated by the outgoing air. © Van EE The core of an HRV has small separated channels that air passes through, allowing incoming air to be preheated by exhaust ai...

HEPA filters & SMART Air Filters catch airborne dust, pollen, allergens, viruses
Healthy indoor air quality

Buying guide for home air filters in furnaces - HEPA, SMART or Regular?

...air filters used for? Air filters on air handling units such as furnaces, HRV and ERV systems are intended to clean and purify the air before it enters the ducts of your home, to protect indoor air quality from being contaminated with airborne particulate. Dust, dirt, and pollen in the air of homes is shown to have n...