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The Daily Insight

What is the largest gas fireplace insert

Author

Marcus Reynolds

Updated on May 13, 2026

Two FullView insert models fit your space and heating needs. The FV44i offers the largest viewing area and 40,000–16,300 BTUH. The smaller FV33i provides 31,000 to 13,000 BTUH.

What is the largest size gas fireplace?

NG BTU Input67,000-83,700/hrUnit Dimensions62 1/2″W x 48 1/8″H x up to 34 7/8″D

How big should my fireplace insert be?

The key factor in selecting the size is based on the opening of the existing fireplace. To determine the right size, measure the following: opening height; opening width; opening depth (top and bottom); rear width and the depth of the hearth (area in front of fireplace).

What sizes do gas fireplace inserts come in?

  • Small: 10-18,000 BTU – up to 800 sq. ft.
  • Medium: 25-30,000 BTU – up to 1400 sq. ft.
  • Large: 35-40,000 BTU – up to 1800 sq. ft.

What are the dimensions of a gas fireplace?

Standard Gas Fireplace Dimensions Gas fireplaces can be anywhere from 20 inches to 60 inches, but the size of the gas fireplace you choose will ultimately depend on the area of the room and the height of the wall you plan to put it in.

What's the difference between a gas fireplace and a gas insert?

A gas insert is installed within an existing masonry, wood burning fireplace. A gas insert is smaller than a gas fireplace to allow it to fit inside of the opening of an existing wood burning fireplace. … A gas insert can get much hotter on the outside (no, not that hot) than a gas fireplace.

What is the difference between vented and ventless gas logs?

Vented and Ventless Gas Logs are a little different. Vented gas logs burn like a real wood fire with a yellow flame that produces smoke. … Ventless (vent-free) gas logs burn cleanly with a lower flame that does not smoke. You can burn them with the damper closed to heat your room.

Can you put a fireplace insert in an existing fireplace?

Yes, you can easily add a gas fireplace insert into your existing chimney. In fact, a fireplace insert is an appliance designed to fit into an existing fireplace. Inserts are usually cut in various sizes to suit your preferences and needs.

How many BTUs do I need for a gas fireplace?

ModelBTUsSpace it will HeatHeirloom 3627,000 – 45,0001,100 – 1,800 square feetHeirloom 4230,000 – 54,0001,500 – 2,500 square feetHeirloom 5036,000 – 65,0001,900 – 3,000 square feet

How big should a pilot light be on a gas fireplace?

A pilot flame should be blue with a yellow tip and strong enough to cover 1/2 inch at the end of the thermocouple tip. If the flame is too strong and adjusted wrong, it will be noisy and cause improper furnace operation.

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Why are flames blue in gas fireplace?

You get a blue gas flame with a hydrocarbon gas when you have enough oxygen for complete combustion. When you do have sufficient oxygen, the gas flame appears blue because complete combustion creates enough energy to excite and ionize the gas molecules in the flame.

Is there always a small flame in a gas fireplace?

The little flame you see in your gas fireplace after you have turned it off is called a pilot light. A Standing Pilot Light runs constantly, whether your fireplace is on or off. … What that means is that you don’t have a pilot light burning in your fireplace year around. When your fireplace is off, it’s all off.

How do I choose a gas fireplace insert?

  1. Wall-thermostat or remote controls. …
  2. Variable-flame height adjustment.
  3. Built-in fan options (believe it or not, the fans are not always standard!) …
  4. LED lighting for realistic effects – subtle lighting helps the embers and coals look so realistic. …
  5. Pilot light vs. …
  6. Battery back-up.

How do you measure a gas insert?

  1. Measure the front opening of your fireplace.
  2. Measure the back width of your fireplace.
  3. Measure the depth of the floor from back wall to the front of your fireplace.
  4. Measure the inside height of the fireplace from the floor to the lowest point inside the fireplace.

How much is a fireplace insert?

How much does a fireplace insert cost? Most fireplace inserts and a professional installation cost about $2,000 to $4,000, depending on the state of your existing chimney and the model you select. Some electric models cost significantly less, but they offer less heat output than wood and gas fireplace inserts.

Do gas fireplaces heat a room?

Gas fireplaces are an efficient type of fireplace that are typically good at providing heat for the room in which they are located, and can be much more efficient and produce more heat compared to the existing masonry fireplace they replace.

How far does a gas fireplace stick out?

It depends on the unit, but if we are talking a good quality EPA zero-clearance fireplace like the BIS Traditions then figure the chase (indoor or out) to be around 26 to 28″ deep.

Which is better ventless or vented gas fireplace?

Ventless fireplaces are more energy efficient than vented fireplaces because no heat escapes up the flue, so you’ll save money on gas utility bills. A vented gas fireplace uses more gas to create the same level of warmth because some of its heat escapes through the flue.

Can you use a gas fireplace without logs?

You can use a gas fireplace without logs because the heat source is the burner connected to your gas line. Don’t use wood in your gas fireplace, as they weren’t built for wood to be their fuel source. Instead, use a ceramic log in your fireplace for additional reflective heat.

Are gas fireplaces bad for your health?

Yes, gas fireplaces are one potential cause of carbon monoxide poisoning. … An improperly maintained or ventilated gas fireplace can create incomplete combustion, creating carbon monoxide, and causing this toxic gas to linger—putting those inside at risk of carbon monoxide poisoning.

Are gas fireplace inserts worth the money?

A gas fireplace offers a range of benefits over burning wood in your home, including the ability to instantly turn on, control and turn of the heat from the fire. The advantages of having gas fireplace can outweigh the disadvantages in many scenarios, making a gas fireplace a worthwhile investment for your home.

Do gas fireplace inserts need a chimney?

gas inserts is that a built-in gas fireplace doesn’t require an existing fireplace or chimney. So, if you don’t have an existing wood-burning fireplace, this is your only option. … Vented gas fireplaces exhaust the air through an exterior opening in your wall.

Do gas fireplace inserts have blowers?

All gas fireplace inserts supply radiant heat, but a blower provides an instant, powerful heat boost. Turn your blower on, or turn it off, it’s your choice! You can’t use a fireplace blower if you don’t have one. All inserts deliver radiant heat, but blowers provide an instant, powerful heat boost.

How many square feet will 65000 Btu heat?

Room/Area SizeHeating Capacity(BTU)1,000 sq ft45,000-55,000 BTU1,200 sq ft55,000-65,000 BTU1,300 sq ft59,000-71,000 BTU1,400 sq ft63,000-77,000 BTU

How many BTUs is a typical fireplace?

The number of BTUs a gas or wood fireplace can generate varies widely, depending on the size and model of the fireplace. Generally speaking, gas fireplaces can produce anywhere from 8,000-60,000 BTUs, and wood burning fireplaces range from 20,000-40,000 BTUs.

How many square feet will 40000 Btu heat?

In a standard climate, 40,000 BTU is enough to heat a 1,000 sq ft area.

How much does it cost to add a gas fireplace to an existing fireplace?

Since an insert is placed directly into a fireplace that is already installed in your home and uses the same chimney, the cost of installing a gas fireplace insert is comparably low. Purchasing a gas fireplace insert should cost you around $1,200. Having the unit installed can cost you around $500-$3,500.

What is a direct vent gas insert?

Direct vent gas inserts use a high temperature glass panel to separate the burning area of the gas insert from the inside of your home. So, your vented gas insert will take air in from the outside and then exhaust all the gases to the outside. This contrasts with a vent-free gas insert, which vents into the home.

Should I turn off the pilot light on my gas fireplace in the summer?

Your Utility Bill Perhaps the most important reason to turn off gas fireplace pilot light in summer is because of the money and energy you will be saving. If you leave the pilot light on during the summer it is simply sitting there burning gas, which is wasting gas and contributing to an exorbitant energy bill.

Is it OK to leave the pilot light on in a gas fireplace?

We recommend that you turn off your gas fireplace pilot light seasonally. Turning off your gas fireplace’s pilot light can save a substantial amount of energy and money. It is important to remember that not all gas fireplaces have “standing” pilot light, or, a pilot light that is “always on”.

Can a pilot light be too high?

A: There is a way to control the height of the pilot light flame. … The pilot flame should touch the thermocouple at a specific level. If the flame is blue and weak, and barely reaches the thermocouple, it needs to be stronger. If it extends well above the thermocouple, it’s too strong.