VFLC20IN32P

Empire Loft 29" Small Vent-Free Gas Fireplace Insert (20,000 BTU)

★★★★★ (0)

Size: 29" (20,000 BTU)

29" (10,000 BTU)29" (20,000 BTU)32"
Ignition Type: Millivolt
Fuel Type: Propane
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One selected item; excludes shipping, accessories and discounts. Actual rates vary by address and retailer. This is not a competitor quote. Use tax may still be due even when we do not collect sales tax. Final charges are shown at checkout.

Rates: Tax Foundation, July 1, 2026
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Ships in 3–6 business daysIn-stock items · tracking emailed when it ships
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Required for installation — choose one, or confirm you already have one

Trim & Surround Required — choose one

Recommended

Crushed Glass — Base

This model requires 1 package — Optional decorative media — the 29" (20,000 BTU) insert accepts up to 1 sq. ft. (1 package)

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As soon as you place your order, you will receive a confirmation email. After that, we will process your order within 1–2 business days, during which time we will verify that all items ordered are in stock and available for immediate shipment. If your order is available for delivery within the advertised time frame, we will submit it to the warehouse for shipment. If the expected delivery time exceeds the advertised time frame, we will reach out to you via email and/or phone to confirm the order.

Shipping Costs

  • Free standard shipping on orders over $200 (contiguous US).
  • Orders of $199.99 or less: a flat $49 shipping & handling fee (contiguous US).
  • Alaska, Hawaii & Puerto Rico: a flat $500 non-contiguous delivery fee per order, with delivery typically taking 5–20 business days. Contact us before ordering if you would like to confirm the delivery time for your specific address.

Estimated Time of Shipping

Our standard shipping-out time for in-stock orders is 4–12 business days, and most orders ship within approximately 3–6 business days of placing the order. Made-to-order and built-to-order products (including many Empire Comfort Systems fireplaces manufactured to your configuration) typically ship within 4–12 weeks; the estimated lead time is indicated on the product page. If the expected shipping date for your order would fall outside the advertised time frame, our customer service team will reach out to confirm that the date works for you.

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In special cases, when the customer's address is in a high-cost delivery area (e.g., remote areas or the center of a large city), an additional delivery fee may be required. To confirm the availability of the Free Shipping – Standard Curbside Delivery option for your address, please contact the HearthDepot team before placing your order.

If your order has been shipped within our standard time frame (or by a deadline agreed with you) and delivery is delayed due to the customer's fault, and the carrier requests storage fees for holding the shipment, or a redelivery attempt fee after a failed delivery attempt caused by the customer, HearthDepot may require the customer to cover these storage/redelivery fees for delivery to continue.

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Areas Covered

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Damages (items shipped via LTL freight)

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If you notice any damage or a shortage of packages, you must note it on the bill of lading, take pictures, and refuse delivery of the damaged pieces. Your note should say "refused due to damage." You must also take photos of all sides of the box and send them to us within 24 hours. If no damage is visible before opening the box, note "subject to further inspection, may contain concealed damage" on the delivery receipt — do not sign "free and clear."

Before unpacking the item, take photos of the packaging from all sides even if there are no visible signs of damage — this is essential if concealed damage is discovered and a claim must be filed with the carrier or manufacturer. If you notice concealed damage after delivery, do not discard the packaging, and contact us with photos within 24 hours of delivery.

If you notice minor/cosmetic damage (e.g., a small scratch or dent) and would like to accept the item in this condition "as is," add a detailed description of the damage on the bill of lading before signing, and send us photos within 24 hours. We can then usually offer free touch-up options (where available) and/or a partial refund for the inconvenience; the granting and amount of a partial refund are not guaranteed, and an item accepted "as is" cannot subsequently be returned as damaged.

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After we receive your report of refused delivery or concealed damage, we immediately initiate a claim with the shipping company or the manufacturer. Once the claim is processed, replacements ship at no cost to you.

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The Empire Loft 29" Small Vent-Free Gas Fireplace Insert (20,000 BTU) is Empire's small Loft vent-free insert: an unvented gas fireplace insert (ANSI Z21.11.2, certified by CSA) that slides into an existing masonry or factory-built fireplace or frames in as a built-in, with the contemporary Loft burner behind a barrier screen and a black reflective liner - rated 20,000 BTU per hour, turning down to 16,000 BTU (propane, millivolt), 14,000 BTU (propane, IP) or 13,000 BTU (natural gas). The 29 1/4 in wide insert needs a fireplace opening of at least 19 3/8 in H x 27 1/2 in W x 13 1/2 in D (15 3/4 in at the rear).

Four models: VFLC20IN32P / 32N (millivolt), VFLC20IN72P / 72N (intermittent pilot) - P propane, N natural gas. One surround is required to finish the opening - DS20433BL 3-sided (4 x 3), DS20763BL 3-sided (7 x 6) or DS20334BL 4-sided metal surround or the SC256BL cast iron surround with the SAN20 adaptor kit. Rated over 10,000 BTU, it is not installed in a bedroom or bathroom; the room needs 50 cu ft of space per 1,000 BTU of input or ventilation openings, and the Loft burner runs with or without the optional DG1 decorative crushed glass.

This listing is part of the Empire Loft Vent-Free Fireplace Insert family - use the selector above to compare the sizes and control options.

Key Features

  • 20 per fuel: HI/LO flame knob on the valve; millivolt standing pilot (IN32) or intermittent pilot with AC adapter and 4 AA battery backup (IN72), the IP valve replaceable by the RVKN / RVKP variable-flame remote kit; natural gas or propane as ordered - vent-free units are not field-convertible.
  • Insert or built-in: 29 1/4 in W x 19 1/8 in H insert with a 25 7/8 in W x 14 5/8 in H opening; minimum fireplace opening 19 3/8 in H x 27 1/2 in W x 13 1/2 in D (15 3/4 in rear width); built-in rough opening 27 1/2 in W x 19 3/8 in H x 13 1/2 in D in a zero-clearance frame.
  • Surround required: DS20433BL 3-sided (4 x 3), DS20763BL 3-sided (7 x 6) or DS20334BL 4-sided metal surround or the SC256BL cast iron surround with the SAN20 adaptor kit (the manual's surround table for the VFLC10 / 20; the small inserts take the DS20 sizes, the 28 the DS28 sizes; the 2026 price page lists the DS28 surrounds under 'small' - follow the manual).
  • Vent-free rules: Oxygen Depletion Sensor pilot; no hearth extension required, but no vinyl, carpet or wood-based flooring within 16 in of the insert face; 8 in to a perpendicular side wall; a 10 in mantel shelf 18 in above the barrier screen frame, a 12 in shelf 20 in; break-in 2 to 3 hours with a window open.
  • Controls: FRBC on/off remote, FRBTC2 thermostat and FRBTPS programmable remotes, FREC electric remote, FWS1 wall switch, TMV reed-switch wall thermostat and TRW wireless wall thermostat; the IP models also take the RVKN / RVKP variable-flame remote kit; optional FBB7 variable-speed blower (120 V, 60 Hz, 1 A, right entrance) and GF24 24 in stainless gas line.
  • Warranty: Empire's limited lifetime parts warranty with 5-year labor on the combustion chamber and heat exchanger, 5-year parts and labor on all other components and 1-year parts on remote controls, thermostats, accessories and replacement parts - original purchaser, qualified installer, proof of purchase.
  • Qualified installer: installation, gas piping and service by a qualified agency to the National Fuel Gas Code ANSI Z223.1 / NFPA 54 or CSA B149.1 and local codes, with permits and inspections (Massachusetts: a licensed plumber or gas fitter).

Specifications

Nominal Size 29"
Models VFLC20IN32P / 32N (millivolt), VFLC20IN72P / 72N (intermittent pilot) - P propane, N natural gas
Configuration Vent-free (unvented) gas fireplace insert for an existing fireplace or built-in zero-clearance enclosure; Loft contemporary burner, black reflective liner, barrier screen; surround required
Input (Propane) 20,000 BTU/h maximum / 16,000 BTU/h minimum (IN32 millivolt models), 14,000 BTU/h minimum (IN72 IP models)
Input (Natural Gas) 20,000 BTU/h maximum / 13,000 BTU/h minimum
Fuel Natural gas or propane as ordered - not field-convertible
Ignition / Control Millivolt standing pilot with on/off switch and HI/LO knob (IN32); intermittent pilot electronic ignition with on/off switch, AC adapter and 4 AA battery backup (IN72)
Insert Size 29 1/4 in W x 19 1/8 in H
Firebox Opening 25 7/8 in W x 14 5/8 in H
Minimum Fireplace Opening 19 3/8 in H x 27 1/2 in front W x 13 1/2 in D x 15 3/4 in rear W
Rough Opening (built-in) 27 1/2 in W x 19 3/8 in H x 13 1/2 in D
Surround (required) DS20433BL 3-sided 4 x 3, DS20763BL 3-sided 7 x 6 or DS20334BL 4-sided metal surround (matte black); or SC256BL cast iron surround with the SAN20 adaptor
Clearance to Combustibles Zero-clearance enclosure; 8 in to a perpendicular side wall; mantel 10 in deep at 18 in / 12 in deep at 20 in above the barrier screen frame; no vinyl, carpet or wood flooring within 16 in of the face
Venting None - vent-free (unvented room heater); 50 cu ft of room volume per 1,000 BTU/h or ventilation openings per the manual
Gas Connection Flex line with shut-off attached to the valve (right side); piping from the right or left
Gas Pressure Millivolt: natural gas 4.5 to 10.5 in w.c. inlet (3.5 manifold), propane 11.0 to 13.0 in w.c. inlet (10.0 manifold); IP: natural gas 7.0 to 10.5 in w.c. inlet
Electrical None to run the millivolt burner; 120 V, 60 Hz, 1 A (right entrance) for the optional blower; IP models run on the AC adapter with battery backup
Decorative Media Optional DG1 crushed glass - 1 sq ft outside the flanged opening only; no rock wool embers or lava rock
Certification ANSI Z21.11.2 unvented room heater, design certified by CSA; mobile-home approved; not for bedrooms or bathrooms (over 10,000 BTU/h); Massachusetts prohibits unvented heaters in bedrooms and bathrooms
Shipping Weight 48.75 lb (N) / 48.5 lb (P)
Warranty Limited lifetime parts + 5-year labor (combustion chamber, heat exchanger); 5-year parts and labor (other components); 1-year parts (remotes, thermostats, accessories)

What's Included

  • Fireplace insert with the Loft burner, black reflective liner and barrier screen assembly
  • Flex line with shut-off valve (attached to the gas valve), warning label plate
  • ON/OFF switch with extension wire harness, 3 wire retainer clips, 4 leveling bolts (5/16-18 x 2 1/2 in)
  • IN72 models: 4 AA batteries and the AC power adapter
  • Not included: the required surround, decorative glass, blower, remote

Installation & Planning

  • In an existing fireplace: masonry or UL 127 factory-built fireplace with at least 19 3/8 in H x 27 1/2 in W x 13 1/2 in D (15 3/4 in rear width) of opening: firebrick, glass doors, screen rails, mesh and log grates may come out, smoke shields and baffles too, but the firebox walls, top and floor are never altered; a 1 1/2 in gas access hole may be drilled through a factory-built firebox and plugged with non-combustible insulation; the warning plate goes inside the fireplace, which cannot burn wood again without its original parts; the insert sits about 1 in in front of the fireplace face on its leveling bolts, the surround goes on after the gas and switch connections.
  • As a built-in: 27 1/2 in W x 19 3/8 in H x 13 1/2 in D rough opening in a zero-clearance frame (wall, corner or elevated per the manual's Figures 3-5), the finished wall flush to the back edges of the surround; on a flat hard surface, a raised platform or four corner supports - on carpet or tile other than wood flooring, on a metal or wood panel the full width and depth.
  • Clearances and hearth: combustible framing may touch the top and side standoff spacers; 8 in from the firebox edge to a perpendicular side wall; a 10 in combustible mantel shelf 18 in above the top of the barrier screen frame, a 12 in shelf 20 in; no hearth extension required, but only heat-resistant material (stone, metal, tile) within 16 in of the insert face; keep the lower openings clear.
  • Combustion and ventilation air: supplemental heat only: 50 cu ft of space per 1,000 BTU/h of every gas appliance drawing air from the room, or two permanent openings to an adjoining space (1 sq in per 1,000 BTU/h each, within 12 in of the ceiling and the floor) or outdoors (1 sq in per 4,000 BTU/h); the burner puts about 1 oz of water vapor into the room per 1,000 BTU/h.
  • Gas: piping from the right or left with its own manual shut-off (the flex line and shut-off come attached, right side facing the unit); ANSI Z21.24 / Z21.45 connectors where accepted (3 ft maximum in Massachusetts); millivolt natural gas 4.5 to 10.5 in w.c. inlet (3.5 manifold, 1.7 at low), propane 11.0 to 13.0 (10.0 manifold, 4.9 at low); IP natural gas 7.0 to 10.5 in w.c.; never pressure-test with the insert connected.
  • Electrical: the ON/OFF switch and extension harness wire to the valve's TH / TH-TP terminals (millivolt) or the IP module's green and white wires and mount in the surround; optional blower on 120 V, 60 Hz, 1 A at the right; IP models on the AC adapter with 4 AA backup.
  • Where it may go: not in a bedroom or bathroom (over 10,000 BTU/h); Massachusetts prohibits unvented gas heaters in bedrooms and bathrooms (527 CMR 30); mobile-home approved; no fans blowing into the fireplace; annual cleaning of the burner ports and ODS pilot.
  • Documents: the installation instructions and owner's manual 39235-7-0720 (07/2020) are attached in the Documents tab; the surround and adaptor sheets are on the surround listings.
  • Warranty service: warranty claims go through the installing dealer with the model number, serial number, type of gas and proof of purchase.

The Empire Loft 29" Small Vent-Free Gas Fireplace Insert (20,000 BTU) is Empire's small Loft vent-free insert: an unvented gas fireplace insert (ANSI Z21.11.2, certified by CSA) that slides into an existing masonry or factory-built fireplace or frames in as a built-in, with the contemporary Loft burner behind a barrier screen and a black reflective liner - rated 20,000 BTU per hour, turning down to 16,000 BTU (propane, millivolt), 14,000 BTU (propane, IP) or 13,000 BTU (natural gas). The 29 1/4 in wide insert needs a fireplace opening of at least 19 3/8 in H x 27 1/2 in W x 13 1/2 in D (15 3/4 in at the rear).

Four models: VFLC20IN32P / 32N (millivolt), VFLC20IN72P / 72N (intermittent pilot) - P propane, N natural gas. One surround is required to finish the opening - DS20433BL 3-sided (4 x 3), DS20763BL 3-sided (7 x 6) or DS20334BL 4-sided metal surround or the SC256BL cast iron surround with the SAN20 adaptor kit. Rated over 10,000 BTU, it is not installed in a bedroom or bathroom; the room needs 50 cu ft of space per 1,000 BTU of input or ventilation openings, and the Loft burner runs with or without the optional DG1 decorative crushed glass.

This listing is part of the Empire Loft Vent-Free Fireplace Insert family - use the selector above to compare the sizes and control options.

Key Features

  • 20 per fuel: HI/LO flame knob on the valve; millivolt standing pilot (IN32) or intermittent pilot with AC adapter and 4 AA battery backup (IN72), the IP valve replaceable by the RVKN / RVKP variable-flame remote kit; natural gas or propane as ordered - vent-free units are not field-convertible.
  • Insert or built-in: 29 1/4 in W x 19 1/8 in H insert with a 25 7/8 in W x 14 5/8 in H opening; minimum fireplace opening 19 3/8 in H x 27 1/2 in W x 13 1/2 in D (15 3/4 in rear width); built-in rough opening 27 1/2 in W x 19 3/8 in H x 13 1/2 in D in a zero-clearance frame.
  • Surround required: DS20433BL 3-sided (4 x 3), DS20763BL 3-sided (7 x 6) or DS20334BL 4-sided metal surround or the SC256BL cast iron surround with the SAN20 adaptor kit (the manual's surround table for the VFLC10 / 20; the small inserts take the DS20 sizes, the 28 the DS28 sizes; the 2026 price page lists the DS28 surrounds under 'small' - follow the manual).
  • Vent-free rules: Oxygen Depletion Sensor pilot; no hearth extension required, but no vinyl, carpet or wood-based flooring within 16 in of the insert face; 8 in to a perpendicular side wall; a 10 in mantel shelf 18 in above the barrier screen frame, a 12 in shelf 20 in; break-in 2 to 3 hours with a window open.
  • Controls: FRBC on/off remote, FRBTC2 thermostat and FRBTPS programmable remotes, FREC electric remote, FWS1 wall switch, TMV reed-switch wall thermostat and TRW wireless wall thermostat; the IP models also take the RVKN / RVKP variable-flame remote kit; optional FBB7 variable-speed blower (120 V, 60 Hz, 1 A, right entrance) and GF24 24 in stainless gas line.
  • Warranty: Empire's limited lifetime parts warranty with 5-year labor on the combustion chamber and heat exchanger, 5-year parts and labor on all other components and 1-year parts on remote controls, thermostats, accessories and replacement parts - original purchaser, qualified installer, proof of purchase.
  • Qualified installer: installation, gas piping and service by a qualified agency to the National Fuel Gas Code ANSI Z223.1 / NFPA 54 or CSA B149.1 and local codes, with permits and inspections (Massachusetts: a licensed plumber or gas fitter).

Specifications

Nominal Size 29"
Models VFLC20IN32P / 32N (millivolt), VFLC20IN72P / 72N (intermittent pilot) - P propane, N natural gas
Configuration Vent-free (unvented) gas fireplace insert for an existing fireplace or built-in zero-clearance enclosure; Loft contemporary burner, black reflective liner, barrier screen; surround required
Input (Propane) 20,000 BTU/h maximum / 16,000 BTU/h minimum (IN32 millivolt models), 14,000 BTU/h minimum (IN72 IP models)
Input (Natural Gas) 20,000 BTU/h maximum / 13,000 BTU/h minimum
Fuel Natural gas or propane as ordered - not field-convertible
Ignition / Control Millivolt standing pilot with on/off switch and HI/LO knob (IN32); intermittent pilot electronic ignition with on/off switch, AC adapter and 4 AA battery backup (IN72)
Insert Size 29 1/4 in W x 19 1/8 in H
Firebox Opening 25 7/8 in W x 14 5/8 in H
Minimum Fireplace Opening 19 3/8 in H x 27 1/2 in front W x 13 1/2 in D x 15 3/4 in rear W
Rough Opening (built-in) 27 1/2 in W x 19 3/8 in H x 13 1/2 in D
Surround (required) DS20433BL 3-sided 4 x 3, DS20763BL 3-sided 7 x 6 or DS20334BL 4-sided metal surround (matte black); or SC256BL cast iron surround with the SAN20 adaptor
Clearance to Combustibles Zero-clearance enclosure; 8 in to a perpendicular side wall; mantel 10 in deep at 18 in / 12 in deep at 20 in above the barrier screen frame; no vinyl, carpet or wood flooring within 16 in of the face
Venting None - vent-free (unvented room heater); 50 cu ft of room volume per 1,000 BTU/h or ventilation openings per the manual
Gas Connection Flex line with shut-off attached to the valve (right side); piping from the right or left
Gas Pressure Millivolt: natural gas 4.5 to 10.5 in w.c. inlet (3.5 manifold), propane 11.0 to 13.0 in w.c. inlet (10.0 manifold); IP: natural gas 7.0 to 10.5 in w.c. inlet
Electrical None to run the millivolt burner; 120 V, 60 Hz, 1 A (right entrance) for the optional blower; IP models run on the AC adapter with battery backup
Decorative Media Optional DG1 crushed glass - 1 sq ft outside the flanged opening only; no rock wool embers or lava rock
Certification ANSI Z21.11.2 unvented room heater, design certified by CSA; mobile-home approved; not for bedrooms or bathrooms (over 10,000 BTU/h); Massachusetts prohibits unvented heaters in bedrooms and bathrooms
Shipping Weight 48.75 lb (N) / 48.5 lb (P)
Warranty Limited lifetime parts + 5-year labor (combustion chamber, heat exchanger); 5-year parts and labor (other components); 1-year parts (remotes, thermostats, accessories)

What's Included

  • Fireplace insert with the Loft burner, black reflective liner and barrier screen assembly
  • Flex line with shut-off valve (attached to the gas valve), warning label plate
  • ON/OFF switch with extension wire harness, 3 wire retainer clips, 4 leveling bolts (5/16-18 x 2 1/2 in)
  • IN72 models: 4 AA batteries and the AC power adapter
  • Not included: the required surround, decorative glass, blower, remote

Installation & Planning

  • In an existing fireplace: masonry or UL 127 factory-built fireplace with at least 19 3/8 in H x 27 1/2 in W x 13 1/2 in D (15 3/4 in rear width) of opening: firebrick, glass doors, screen rails, mesh and log grates may come out, smoke shields and baffles too, but the firebox walls, top and floor are never altered; a 1 1/2 in gas access hole may be drilled through a factory-built firebox and plugged with non-combustible insulation; the warning plate goes inside the fireplace, which cannot burn wood again without its original parts; the insert sits about 1 in in front of the fireplace face on its leveling bolts, the surround goes on after the gas and switch connections.
  • As a built-in: 27 1/2 in W x 19 3/8 in H x 13 1/2 in D rough opening in a zero-clearance frame (wall, corner or elevated per the manual's Figures 3-5), the finished wall flush to the back edges of the surround; on a flat hard surface, a raised platform or four corner supports - on carpet or tile other than wood flooring, on a metal or wood panel the full width and depth.
  • Clearances and hearth: combustible framing may touch the top and side standoff spacers; 8 in from the firebox edge to a perpendicular side wall; a 10 in combustible mantel shelf 18 in above the top of the barrier screen frame, a 12 in shelf 20 in; no hearth extension required, but only heat-resistant material (stone, metal, tile) within 16 in of the insert face; keep the lower openings clear.
  • Combustion and ventilation air: supplemental heat only: 50 cu ft of space per 1,000 BTU/h of every gas appliance drawing air from the room, or two permanent openings to an adjoining space (1 sq in per 1,000 BTU/h each, within 12 in of the ceiling and the floor) or outdoors (1 sq in per 4,000 BTU/h); the burner puts about 1 oz of water vapor into the room per 1,000 BTU/h.
  • Gas: piping from the right or left with its own manual shut-off (the flex line and shut-off come attached, right side facing the unit); ANSI Z21.24 / Z21.45 connectors where accepted (3 ft maximum in Massachusetts); millivolt natural gas 4.5 to 10.5 in w.c. inlet (3.5 manifold, 1.7 at low), propane 11.0 to 13.0 (10.0 manifold, 4.9 at low); IP natural gas 7.0 to 10.5 in w.c.; never pressure-test with the insert connected.
  • Electrical: the ON/OFF switch and extension harness wire to the valve's TH / TH-TP terminals (millivolt) or the IP module's green and white wires and mount in the surround; optional blower on 120 V, 60 Hz, 1 A at the right; IP models on the AC adapter with 4 AA backup.
  • Where it may go: not in a bedroom or bathroom (over 10,000 BTU/h); Massachusetts prohibits unvented gas heaters in bedrooms and bathrooms (527 CMR 30); mobile-home approved; no fans blowing into the fireplace; annual cleaning of the burner ports and ODS pilot.
  • Documents: the installation instructions and owner's manual 39235-7-0720 (07/2020) are attached in the Documents tab; the surround and adaptor sheets are on the surround listings.
  • Warranty service: warranty claims go through the installing dealer with the model number, serial number, type of gas and proof of purchase.

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Average response time is 39 seconds. We are ready to help: Monday - Saturday; 8:00 AM - 8:00 PM EST

support@hearthdepot.com

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