We are going to discuss what a fresh air intake is and how a properly installed fresh air intake can increase your unit s efficiency performance and prolong the life of your furnace.
Furnace fresh air intake code.
Keep bathroom fans and window units turned off.
With the existing furnace verify correct vent terminal clearances to doors windows and outside air intakes per code and manufacturer requirements and inspect for deterioration of existing systems.
Older furnaces often have inefficient recirculation fan motors meaning that distributing the ventilation air requires a 500 to 800 w furnace fan instead of the 30 w fan.
Fresh air intakes are a key component the hvac system utilizes to maintain a safe and comfortable indoor environment in your home.
5 air intakes shall be clearly labelled as such for identification from locations outside the dwelling unit.
If left uncorrected these risks may impact proper operation of the equipment or create an unsafe environment for the occupant.
Unfortunately the fresh air intake you have described is the second type and does not provide direct combustion air to the furnace room as it is directly connected to the return air plenum for the furnace.
Your home furnace air intake location depends on where the furnace is.
Air exhausted by the hrv or erv is therefore overall house air not from specific rooms and fresh outdoor air brought into the house is well mixed with the overall house air.
Bathroom fans and window box fans commonly pull outside air into your home so they should be shut off during a fire advisory.
4 the distance separating air intakes from building envelope penetrations that are potential sources of contaminants such as gas vents or oil fill pipes shall be not less than 900 mm.
Worksafe bc regulated issues such as asbestos abatement can prevent a furnace installation from occurring if not mitigated beforehand and should also be reviewed.
Typically the fresh air intake will be located in your attic or ducted to the return side of the home s central air handler.
There are two types of airflow furnaces a downdraft or downflow furnace and an updraft or.
This fresh air will enter the air circulation system of the heating system which is separate from the combustion chamber on your furnace.
This section of the mechanical code covers fireplaces fireplace stoves and heaters special appliances which produce heat or are used for cooking gas logs incinerators and crematories wall furnaces floor furnaces direct fired air heating equipment infrared radiant heaters clothes dryers illuminating appliances sauna heaters engine.
