Gas FAQ

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We hope you find the answers you’re looking for here, but if you don’t, please call us at 1-800-253-4904, or e-mail us at questions@kozyheat.com.

I have a wood burning fireplace, can I convert it to burn gas?

Yes. Kozy Heat® has highly efficient gas insert fireplaces designed for both masonry and factory-built wood burning fireplaces.

I want to purchase a gas fireplace, could you explain the difference between Direct Vent and Up Vent (B-Vent) gas fireplaces?

Direct Vent models have a sealed firebox that draws 100% outside air needed to fuel the fire. Kozy Heat Direct Vent models can be vented either vertically or horizontally using either rigid or flexible pipe. The heated air is forced out through the upper louvers into your home.

Up Vent models are atmospherically vented with double-wall metal B-vent pipe. B-vent is vented vertically to the outside, but it does not draw outside air for combustion. Kozy Heat no longer manufactures up vent models.

Can I regulate the heat output from a gas fireplace to maintain a comfortable room temperature?

Yes. In fact, Kozy Heat offers three different ways to keep you “kozy”. All Kozy Heat gas fireplaces are designed to operate with a thermostat control. Because our gas fireplaces are tested and comply with wall furnace standards, homeowners can set the desired room temperature using a thermostat and the fireplace will automatically turn on or off according to the desired temperature.

All Kozy Heat gas fireplaces come standard with a built-in high/low knob on the gas valve that enables you to vary the fireplace’s heat output by 10,000 BTU’s. Because you are varying the incoming gas, your flame height will naturally increase on the high setting and decrease on the low setting.

I have heard your fireplace will operate without electricity. Why will my gas fireplace continue to operate during a power outage when my furnace will not?

All Kozy Heat gas fireplaces are manufactured with a standing pilot, millivolt system as a standard feature. Standing pilots do not require electricity to generate power, whereas your furnace uses an electronic ignition. Therefore, a Kozy Heat gas fireplace is an excellent secondary heat source. (The optional fan requires a 110V current to operate, which is not necessary for the fireplace to fully function).

I am limited on space in my living room. Do you have any installation suggestions?

Absolutely. Kozy Heat Direct Vent gas fireplaces can be installed in virtually any room (bedroom, bathroom and even mobile homes), or between rooms with ease. In addition, by installing the fireplace in a corner less space is utilized. Kozy Heat offers oak cabinets for flat wall, and corner installation applications.

I am currently using liquid propane (LP) for fuel. However, natural gas will become available for this area in the near future. Should I wait to purchase the fireplace or can your fireplace convert between gas fuels?

There is no reason to wait to buy a Kozy Heat gas fireplace since all our fireplaces can be easily converted between fuels. Your authorized Kozy Heat dealer can quickly convert your fireplaces from liquid propane to natural gas or from natural gas, to liquid propane.

What does the fireplace term zero clearance mean?

Zero clearance simply means "0" inches are required between the fireplace and combustible materials. Therefore, framing dimensions are dramatically minimized - allowing the unit to be placed right up against interior or exterior walls. Because there are no restrictions on clearance requirements needed around the unit itself, the unit can be placed right up to an interior or exterior wall for a tight fit. However, we do recommend a 1/4" space for expansion space. (When metal heats, it will expand.)

Can I install my own gas fireplace?

In order to enjoy the benefits of our exceptional warranty, Kozy Heat recommends using only factory-trained installers to install Kozy Heat fireplaces.

The place I want to put my fireplace does not allow the fireplace flue to be vented through the roof. Any suggestions?

Absolutely. All Kozy Heat Direct Vent models are installation friendly with the option of either vertical or horizontal venting. Therefore, if you cannot vent up, vent horizontally through an outside wall.

What is a flue?

A flue is another name for the fireplace chimney or venting system.

Do you have a corner fireplace?

All Kozy Heat gas fireplaces can be installed in a corner. In fact, we have corner cabinets that are perfect for corner installations.

What is a normal hearth height?

A “normal” hearth is between 4"- 8" in height. However, the hearth height is optional depending on individual tastes and preferences.

What is the difference between “steady state” efficiency and AFUE?

Steady State: An efficiency rating is testing only the efficiency of the fireplace when it is burning.

AFUE: (Annual Fuel Utilization Efficiency) Both the on cycle and off cycle are calculated in this rating. By including the off cycles (when the fireplace is turned off) a more accurate yearly operational cost can be estimated.

How much does it cost annually to operate a gas fireplace?

Natural gas fuel costs vary depending on your area. However, finding your average cost per therm (100,000 BTUs) or cubic feet (1,000 BTUs) on your gas bill, and deciding on the gas fireplace (each fireplace has a different BTU/hour input), you can calculate your monthly average cost.

For liquid propane users, there are 91,500 BTUs in one gallon of propane. By dividing 91,500 by the amount the fireplace BTUs you can figure the hours of burn time and multiply this by the cost per gallon of liquid propane.

Does the cost of the fireplace include everything I will need for the installation?

Most components that you need are included with the purchase of your fireplace with the exception of the grills (some models), gas line and venting. In addition, there are many custom options that are available to consider such as fans, brass accents, remote controls, wall thermostats, mantels, cabinets and much more.