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Hearth Sense MO18HVL Natural Gas Vented Gas Log Set

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Vented log set · Hearth Sense

Hearth Sense MO18HVL Natural Gas Vented Gas Log Set

Vented log set

Heats up to (maker)
1,650 sq ft
Heat output (maker)
45,000 BTU/h
Fuel
Natural Gas
Ignition
Match Light
Material
Stone
Dimensions (seller)
18"D x 18"W x 18"H
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In short

Built for the look of a wood fire.

Wins
Wood-like flame.
Gives ground
Little heat into the room.
Suits
The look of a wood fire.

Updated October 2026

What you get

The Hearth Sense MO18HVL Natural Gas Vented Gas Log Set is a vented log set with a 45,000 BTU/h burner.

It's a vented set: damper open whenever it burns, a wood-like flame, and little heat into the room because the exhaust leaves through the chimney.

At full fire it burns about 43 cubic feet of natural gas an hour.

Measure the firebox front width, rear width, depth and height and check them against the minimums in the set's manual before ordering. Vented vs vent-free logs.

Ignition: Match Light.

Also on the listing: overall dimensions of 18 in (D) x 18 in (W) x 18 in (H) and stone construction.

The figures, from the maker

Each figure is the maker's or the listing's own, with its source marked. A figure the maker doesn't give is shown as not stated.

Model numberMO18HVLRetailer
PowerGas PoweredRetailer
Dimensions (seller)18"D x 18"W x 18"HRetailer
MaterialStoneRetailer
Mounting / installationFreestandingRetailer
Heat output (maker)45,000 BTU/hRetailer
Features (seller)ManualRetailer
Model nameNatural GasRetailer
Heats up to (maker)1,650 sq ftRetailer
FuelNatural GasRetailer
IgnitionMatch LightRetailer

Is it the right heater for the room?

Pick it when

  • The look of a wood fire
  • Masonry fireplaces with a gas line

Pass on it when

  • Fireboxes smaller than the manual's minimum
  • Heating a room

Where it wins, where it gives ground

Wins

  • Wood-like flame
  • 45,000 BTU/h
  • Natural Gas

Gives ground

  • Little heat into the room
  • Needs a working chimney
  • Firebox must meet the manual's minimums

Know before you install

  • Figures are the maker's own and are rated in the maker's conditions. Installation, venting, chimney, gas and electrical work follow the manual and local code, carried out by a qualified installer.

Heaters to weigh against it

Duluth Forge FNVL24-1 Natural Gas Vented Gas Log SetAnother log set, 55,000 BTU/h.
Real Fyre VES466 18-Inch Vented Gas Log Set18-inch set.
Real Fyre R-12 Vented Gas Log SetAnother log set.

Other gas log sets in the same heat range

Every gas log sets on one chart · All Hearth Sense models listed

Buying this model

The button opens this exact model's listing. Prices and stock change, and installation parts are usually sold separately; check the box contents and the manual's venting list before you order.

Prices change often; the button shows today's price.
Check price on Amazon

Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure

Questions about this model

Do the Hearth Sense MO18HVL Natural Gas Vented Gas Log Set heat the room?
Little: vented logs send most of their heat up the open chimney.
What size fireplace do the Hearth Sense MO18HVL Natural Gas Vented Gas Log Set fit?
check the minimum firebox width, depth and height in the manual against your fireplace.

Bottom line

Built for the look of a wood fire.