HEAT RELEASES

All Flare Fireplaces (both safety screen and double glass units) require heat releases for warm air to flow back into the room. This controls the temperature of the surrounding walls, keeping them relatively cool.
Top Hot Release – The release / outlet for hot airflow from the wall enclosure MUST remain open. The outlet must be at the top part of the enclosure but not necessarily at the front, so long as the measurements below are maintained. Heat release opening can be installed at the sides of the enclosure (one on every side), back or on top of (in case of a drop wall design).
For fireplaces sized 80” & 100”– vent area must be at least 200 square inches.
For fireplaces sized 60” & 70” – vent area must be at least 140 square inches.
For fireplace sized 50” and below – vent area must be at least 100 square inches.
The top of the outlet(s) must be at least 1”-  3” (25mm – 76mm) down from the fire stop or ceiling. Flare recommends using fire rated board on your ceiling if you plan to bring you heat release this close. The vent can also be installed on top of the enclosure, in case of a drop wall (a chase that is not built all the way to the upper ceiling). Any opening greater than the minimum size is highly recommended and will help reduce the temperature of the surrounding walls. Make sure a non-combustible fire stop is placed atop the inside of the chase and is framed in a way that does not allow any pockets of heat to be formed. All rising heat should be able rise to the fire stop and freely flow through the vent into the room.

AIR INTAKE

Flare Fireplace offers units with Double Glass or an optional Blower Kit require air intake below the glass. This allows air circulation which cools the external glass and increases the efficiency of the fireplace. See diagram on page 63. Lower Air IntakeOptional for normal safety screen installation. Required for installation with double glass or safety screen with optional blower kit.
For fireplaces sized 80” & 100” – vent area must be at least 100 square inches.
For fireplaces sized 60” & 70” – vent area must be at least 70 square inches.
For fireplaces sized 50” and below – vent area must be at least 50 square inches.
For See Through and Room Definer fireplaces, the air intake requirements are double.
NOTE: Openings above for Heat Release and Air Intake are measured for open air space.
Lower vent opening can also be used as an access door to the gas valve, if it meets both requirements in terms of size. Lower vent opening can be installed at the sides of the enclosure (one on every side), back or front. It is recommended to place one opening on either side of longer units, to allow for better distribution across all fans of air taken in from the bottom.

EXAMPLES OF HEAT RELEASES

SETTING UP YOUR FLARE FIREPLACE FOR ENHANCED OPERABILITY

   The Flare Fireplace is a finely tuned machine that operates at the highest of standards. To get the most out of your Flare Fireplace installation please see the following suggestions for optimal performance and functionality.

KEEPING THE WALL ABOVE YOUR FIREPLACE AS COOL AS POSSIBLE

   The Flare Fireplaces installation guide calls for, and clarifies, the minimum requirements for a heat release in your build to make sure your fireplace operates within the safely set nationwide guidelines for direct vent fireplaces. To make sure the wall above your Flare Fireplace is as cool as possible, Flare suggests enlarging your heat release to increase how fast the heat created in your fireplace cavity is evacuated into the space. The faster heat can evacuate the cavity above your fireplace the cooler your wall will be. Flare offers many ways to implement a heat release that mask its existence, allowing you to increase its size dramatically without ruining the visual aesthetic (SEE SECTION REFERENCING EXAMPLES OF HEAT RELEASES AND AIR INTAKES IN FLARE INSTALLATION MANUAL). For example, if you are installing a Flare Fireplace with a 50” length you will need a minimum of 100 SQ “ of open-air flow to evacuate your cavity successfully. But by meeting the minimum specification allowed, the wall temperatures will remain safe but at the higher end of the spectrum allowed for these style fireplaces. By implementing a shadow line heat release as close as 3” from your ceiling you can increase the opening by more than double to create a cavity that evacuates heat at a much faster rate. Allowing for a wall that reaches temperatures well below the minimum standard required for safe operation

 

KEEPING YOUR DOUBLE GLASS AS COOL AS POSSIBLE

   The Flare Fireplaces installation guide calls for, and clarifies, the minimum requirements for the air intake sizing on your double glass fireplace build, making sure your fireplace operates within the safely set nationwide guidelines for direct vent fireplaces. To get the outer layer of glass on your double glass equipped Flare Fireplace as cool as possible, Flare suggests enlarging your air intake to increase the amount of room temperature air being pulled in between the two panes of double glass. The more room temperature air the silent intake fans can pull between the two panes of Double Glass, the cooler your outer layer will be. Flare offers many ways to implement an air intake that mask its existence, allowing you to increase its size dramatically without ruining the visual aesthetic (SEE SECTION REFERENCING EXAMPLES OF HEAT RELEASES AND AIR INTAKES IN FLARE INSTALLATION MANUAL). For example, if you are installing a Flare Fireplace with a 50” length you will need a minimum of 50 SQ “ of open-air flow to cool your double glass successfully. But by meeting the minimum specification allowed, the glass temperatures will remain safe but at the higher end of the spectrum allowed for these style fireplaces. By implementing a shadow line air intake (ALSO KNOWN AS A FLOATING HEARTH) as close as 3” from your floor, you can increase the opening by more than double to create a cavity that evacuates heat at a much faster rate. Allowing for an outer layer of glass that reaches temperatures well below the minimum standard required for safe operation.

BOTTOM SHADOW LINE IMPLEMENTED IN FLOATING HEARTH DESIGN