Ventilation / Guides

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

Ventilation & air exchangers

...ventilation systems to remove moisture and provide sufficient fresh air for occupants. Ventilation systems- What is an HRV? Mechanical ventilation systems are known as heat exchangers , HVACs (Heating, Ventilation and Air Conditioning) or HRVs (Heat Recovery Ventilators). The point of these systems is to remove moi...

How to Vent Roofs - the Methods, Vent Types, Fans
Walls and Roofs

Why Roofs need to be ventilated and how to ventilate a roof properly

...ventilation? No, as a general rule you cannot have too much attic ventilation, but it does need to be balanced . There can never be too much intake ventilation through soffits but too much exhaust ventilation without enough supply air can be a problem, as that can leave the attic depressurized. In that case the air w...

Heat Recovery Ventilation - Lunos video
HRV and ERV

Lunos ductless air exchanger

...ventilation requirement of about 27 L / s (58 cfm) and 3 pairs of Lunos e² to ensure a sufficient supply of fresh air. For more articles on high efficiency home ventilation systems for Passive House & LEED certified Homes, see here Canadian distrubution: Lunos Canada

DIY air exchanger installation video
HRV and ERV

DIY Lunos HRV air exchanger installation video

...ventilation, and options for how to go about it. Lunos ductless air exchanger Building guide page: Understanding home ventilation Canadian supplier Ecogenia

How to Choose between an HRV and ERV system
HRV and ERV

Choosing between an HRV and an ERV

...Ventilation) and an ERV (Energy Recovery Ventilation.) Both HRVs and ERVs are somewhat new to mainstream home construction, and can often be confused. In an effort to clear that up, we will first explore why ventilation is so crucial, then explain the options and their best applications. Up until the last few decad...

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?

...ventilation systems. Since indoor air cannot be replaced easily under these conditions, internal sources of air pollution must be avoided as well. Ventilation systems and HRV / ERV systems should be equipped with suitable filters , and a portable air cleaner is also recommended. Particulate matter is one of the main ...

The importance of Cleaning HRV intakes
HRV and ERV

How to keep your HRV clean and operating efficiently

...ventilation and air conditioning) and have it be part of a regular maintenance of furnaces, air conditioners or even a chimney cleaning. Regular servicing is worth the money; it will pay for itself through less wear and a longer lifespan of equipment, but also in more efficient operation, and above all, healthier indoo...

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?

...ventilation system ( HRV or ERV, read more here for help choosing the right one ), have your ducts cleaned regularly, and get a proper air filter. To do that, just find the make and model number of your air-handling units and buy a MERV rated filter suited for what you're filtering out - (MERV 13 is the acknowledged mi...

Frost in Attics: What causes Attic Ice? How to Fix it?
Roof assemblies - renovation

Why is there frost in my attic? Is ice in roofs a problem & How do I stop it?

...ventilation: Attic ventilation is essential to prevent ice in roofs, be certain that your roof ventilation is able to do its job. Next, roof ventilation - make sure your attic is properly ventilated. Check the attic to make sure that insulation isn't jammed down on the edges and blocking soffit vents . Proper...

Which Houseplants are Best to Clean Air & Remove Toxins?
Healthy indoor air quality

Which houseplants are best for purifying air? Ecohome investigates

...ventilation units to protect against viruses and remove allergens . Ventilation systems for home renovations If you are looking to add a ventilation system to an existing home or for a new addition, while it’s not always a feasible solution to bring ductwork to the new living area, there are ductless HRVs and ERVs ...

LEED Homes

The 19 LEED for Homes Prerequisites

...ventilation: Homes must include a professionally approved passive or mechanical ventilation system. 5.1 Basic local exhaust: Ensure proper venting of bathrooms and kitchens. 6.1 Room by room load calculations: This is in regards to forced air systems, to ensure ducts are installed correctly and that they will...