Air circulation/ Green Building & Sustainable Home Renovation Information & Advice

...airneeds to move around. Ourairsource heat pump and our heat pump water heater work together in boosting the efficiency, and the ceiling fan is a big part of making that happen. This video explains the relationship between those systems. Thanks to our sponsor Aeratron for providing super efficient and quiet ceiling ...

...air-to-airsource heat pump manufactured by Mitsubishi™ with a direct expansion coilairhandling unit (AHU) and a multi-speed fan to supply warm and coldairfor space heating and cooling. House B Heated with a 13.3 kW high efficiency ground source heat pump manufactured by WaterFurnace™ connected to two 152.3 m (...

...AirConditioning) or HRVs (Heat Recovery Ventilators). The point of these systems is to remove moisture and provide freshairto your home that is pre-heated by the outgoingair. © Van EE The core of an HRV has small separated channels thatairpasses through, allowing incomingairto be preheated by exhaust ai...

...airrises, so there is always moreairpressure at the higher points of any house or building, as in the top floor ceiling. Andairwill find any hole no matter how small it is. Wind pressure as well as interior mechanical ventilation also affects theairpressure in a home and will forceairout any breach in yourair...

...airquality. Simply due to the rate ofairleakage in most buildings, it would be difficult for anything short of anairtight house and a virtual jungle of plants to see a measurable improvement inairquality. However, from a quality of life and design perspective, these make for very cool living rooms. Having potte...

...aircounteracts falling coolairfrom the window’s glass, and are controlled by thermostats within the room where they are located. If homes are older, the insulation isn’t too great and theairpermeability is high, then these types of heaters are probably not a great choice for home heating – depending of course on...

...airgaps andaircirculationmake burning a phone book much more difficult than burning a single sheet. If you are looking to insulate using the greenest of options, CFI is probably for you. It is often manufactured regionally using upwards of 80% recycled materials, acts as carbon storage and requires significantly ...

...airwill rise. See more on ventilation strategies on our blog here . We recommend installingcirculationfans to keepairmoving on cold days when ventilation is limited. This helps reduce pest problems and ensures stronger, healthier plants. Beyond that, make sure you build healthy soil in your greenhouse, whether...

...airentering the HRV. In the winter when theairtemperature outside is -25°C, freshairis warmed to +2°C before it enters the HRV. This eliminates the need of using an electric heater to pre-warm theair. In the summer when the temperature outside is +33°C, freshairenters the HRV at +22°C. The system was primaril...

...airfrom inside the home (instead of outsideair) for combustion. These models are not recommended because they draw in and evacuate heat from the home and because a defect in the seal of the combustion chamber could – in the event of flow reversal or depressurisation – lead to a risk of carbon monoxide poisoning. ...

...airs. This system provides amazingly warm and comfy floors in the bedrooms when we run the heating system. Some people with heated floors don't get to have the warm foot experience that often with high efficiency homes, but this has not been the case for us. As the house is used primarily as a weekend retreat in the wi...