Heat recovery ventilation / Guides

Heat Recovery Ventilation - Lunos video

Lunos ductless air exchanger

...heating. Heat Recovery Ventilators (HRVs) are an essential component of any air-sealed high performance home, bringing in fresh air and removing moisture. An HRV uses the heat in stale exhaust air to warm incoming fresh air. Until now, this has meant a centralized heat transfer core and a network of ducts feeding and...

DIY air exchanger installation video

DIY Lunos HRV air exchanger installation video

...heat recovery ventilation (HRV) system is very different than what people are probably used to seeing, where air is directed to a centralized core for a heat exchange before being exhausted from the house. Lunos is a decentralized system with a series of self-contained units, each with their own ceramic heat exchange c...

The importance of Cleaning HRV intakes

How to keep your HRV clean and operating efficiently

...heat recovery ventilator) clean would be a good thing to keep high on the priority list. When I say ‘many of us’ are guilty of slacking off a bit, I include myself in that group, but after a recent discovery I will up my game a bit. I have usually inspected and cleaned the filter on my HRV about once a year, likely a...

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

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 Choose between an HRV and ERV system

Choosing between an HRV and an ERV

...recovery from exhaust air is becoming common place in cold regions, and two types of equipment can do this - an HRV (Heat Recovery 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 wi...

Lockeport Beach House
Real estate

Lockeport Beach House wins Canadian Green Building award

...heat recovery ventilation to minimize heat losses; and Energy Star appliances and LED lighting to minimize electrical loads. The asymmetrical gabled roof also leverages coastal storms, collecting rainwater that is funneled into three 6,700 litre cisterns. The storage tanks are the sole source of water for the house. ...

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!"

...Heat Exchanger ventilation, and how to choose All About balanced ventilation with Heat Recovery Ventilation (HRV) or Energy Recovery Ventilation (ERV) systems Air Barriers & How to Install for Air Tight Homes And to see more guide page in the EcoHome Green Building Guides for Sustainable Buildings ...

The passive solar home in Lac Kenogami, Quebec
Passive solar home design

Ecohome design wins House of the Year Award from Green Builder® Magazine

...heat as a 20 watt light bulb, and that might be all you need. This is of course an oversimplification of a complicated process, intended only to introduce the concept. A Net Zero Heat building will also require an extremely efficient Heat Recovery Ventilation system (HRV), but any high performance house will need tha...

Net Zero Energy Home ZNE in Edmonton Alberta
Off-grid and Net-Zero Housing

Award winning Net Zero Energy house in Edmonton Alberta Leads the Way

...Heat recovery ventilation (including washroom fans) is controlled by a Venmar HE3000 HRV which provides 306 CFM(cubic feet per minute) of fresh air. Water conservation: All plumbing fixtures are low-flow. The residual heat in wastewater is collected through a single stack drain that is connected to a Drain Water Heat...

Solar panels power the Kenogami House in Saguenay, Quebec
Off-grid and Net-Zero Housing

The Kenogami House: Energy systems in Net Zero Energy Home Design

...heat pumps in this house, an air-to-air heat pump that extracts heat from outside air to heat inside air, and an air-to-water heat pump. The air to water heat pump extracts heat from ambient air inside the home and transfers it to the hot water tank, offering efficient air conditioning in summer. As for heat storage,...

Prefab LEED Passive House Kit Homes the Future of House Building?
Passive House

Prefab Passive House & LEED ready kit homes - the future of home building?

...heat sources: An air-heated radiant floor system from Legalett with an estimated 60-70% of the total heat load being provided by solar air heating panels , which also act to pre-heat domestic hot water in the summer. A heat pump that operates down to -25 °C that can triple the heat generated per kWh of electricit...