Heat exchanger / Guides

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 ex...


Case Study: Kenogami House, Saguenay, Quebec

...heating during mild periods, Alain is considering an air-to-water heat pump to extract heat from the air where it can be deposited into a domestic hot water tan...

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

Ventilation & air exchangers

...heat exchangers , HVACs (Heating, Ventilation and Air Conditioning) or HRVs (Heat Recovery Ventilators). The point of these systems is to remove moisture and pr...

Geothermal Heating Systems
Heat pumps, geothermal and AC

Geothermal heating for Homes in North America - Does it work & will it save money?

...heat pumps, geothermal heating and cooling systems extract heat energy and transfer it into buildings, saving you approximately 50 to 60% on heating and cooling...

Solar panels power the Kenogami House in Saguenay, Quebec
Renewable energy

The Kenogami House: Energy systems at the cutting edge of innovation

...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 p...

Heat Recovery Ventilation - Lunos video

Lunos ductless air exchanger

...heated by exhaust air, and incoming air is warmed as it passes through the core. The cycle is reversed about every 90 seconds to heat and continually extract he...

Kitchen and Bathroom design tips

Design ideas for durable kitchens and bathrooms

...heat by venting directly into your basement. Humid air requires a lot more energy to heat, so despite how it might appear, you really won't save energy. Wat...

First Passive House in BC Whistler

B.C.’s First Passive House was built in Whistler in 2012.

...heat as possible in the winter months, without over heating in summer months. Solar hot water collection, a subsoil heat exchanger and cross-laminated timber de...

Solar thermal collectors

All about solar thermal collectors

...Heat transfer: Solar thermal heat exhanger diagram © Viessmann With glycol systems you need a heat exchanger to warm water for domestic use, space heati...

How to Choose between an HRV and ERV system

Choosing between an HRV and an ERV

...heat recovery process; they simply pass in separate channels in the ventilator core, the heat exchanger, allowing an exchange of heat through conduction. The ...

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 m...