Furnace Fresh Air Intake Code

Typically the fresh air intake will be located in your attic or ducted to the return side of the home s central air handler.

Furnace fresh air intake code.

This fresh air will enter the air circulation system of the heating system which is separate from the combustion chamber on your furnace. We will also cover how fresh air intakes play a vital role in determining your. Bathroom fans and window box fans commonly pull outside air into your home so they should be shut off during a fire advisory. Your home furnace air intake location depends on where the furnace is.

5 air intakes shall be clearly labelled as such for identification from locations outside the dwelling unit. 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. Code bc building code and the bc safety authority4 for further information on health and safety regulations related to furnace installations. 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.

Home furnace air intake location. 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. If left uncorrected these risks may impact proper operation of the equipment or create an unsafe environment for the occupant. 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.

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. Worksafe bc regulated issues such as asbestos abatement can prevent a furnace installation from occurring if not mitigated beforehand and should also be reviewed. 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. 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.