Engineered for direct, steady heat, the RSI Radiant Propane Gas Heater uses infrared/radiant technology to warm objects and air efficiently across your space. A built-in blower helps distribute heat, while battery/electric ignition and thermostat controls simplify start-up and temperature management. Use free-standing on the included legs or mount to a wall with the included bracket. Ideal for greenhouses, sheds, garages, and workshop areas where a ventless LP heater is appropriate and installed per local codes.
Heat output: Up to 18,000 BTU with infrared/radiant technology for efficient coverage.
Coverage: warms areas up to ~600 sq. ft. (conditions/insulation dependent).
Ventless LP design: runs on propane (LP) with battery/electric ignition; thermostat controls for easy set-and-forget operation.
Built-in circulating fan to move warm air through the space.
Mounting options: use free-standing with removable legs or wall-mount with the included bracket.
Safety: Oxygen Depletion System (ODS) with auto shutoff; follow all ventilation/clearance guidelines (ODS may trip at higher elevations).
Warranty: 2-year limited (RSI)
Heater cabinet (RSI-RLP18K)
Removable legs (floor use)
Wall-mount bracket
Hose (LP connection)
Owner’s/installation guide (propane tank not included)
Fuel: Liquid Propane (LP), vent less design.
Heat output: up to 18,000 BTU; Coverage: ~600 sq. ft.
Ignition / Controls: battery/electric ignition; built-in thermostat; built-in electric circulating fan.
Mounting: floor (legs) or wall (bracket included)
Dimensions: 20" W × 25" H × 8" D; Weight: ~27 lb
Location & codes: Use only where ventless LP heaters are permitted; follow local codes and greenhouse ventilation best practices. Ensure required clearances and stable mounting. (ODS sensors may shut the unit off if oxygen is low or at higher elevations.)
Fuel & hookup: Connect to a properly rated propane supply with included hose; leak-test all connections before lighting; follow the lighting/shutdown steps in the manual.
Operation: Set desired temperature with the thermostat; the blower circulates warmth to help maintain even conditions.
Maintenance: Periodically inspect hose, regulator, and connections; keep the emitter and fan inlet clear of dust/debris.
We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at Vista Greenhouses.
But first, you should definitely hear from our customers here.
Note: Excludes select freight items; see Shipping tab on product pages
Shipping is FREE on all orders to customers within USA.
We don't want to mess around with fine print and extra charges, we like things to be simple and easy.
Want to know about our Returns Policy? Read more here.
Order Confirmation:
As soon as you place your order you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorised your credit card for the purchase.
As soon as we receive your order we automatically check to confirm that your order is in stock and available for immediate shipment. If your item is on back-order or unavailable we will void the pre-authorisation and reach out to you via e-mail to see if alternate arrangements can be made.
If your item(s) are available for immediate shipment (within 5 business days) we will process the charges and get to work preparing your order for shipment.
Order Shipment:
If your order is in stock and we process the charges to your credit card it will ship within three business days from the date of your order.
We will send you shipping confirmation within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.
If you do not receive shipping confirmation from us within four business days of your order feel free to follow up with us at sales@vistagreenhouses.com.
International Orders:
Please be aware that our products are made specifically for the USA market. This means that they require a [choose 110V or 240V] electrical system to function correctly.
Our products have generally not been certified for use with other countries electrical safety standards but all of our products are certified to USA standards.
We will happily ship our fantastic products to international customers. Due to the extremely wide variety of product dimensions we will provide an up to date shipping price quote for you on request.
If you are happy with our shipping quote we will prepare an order and payment though our ultra secure online payment gateway.
Damages:
Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery or do not agree to accept the delivery.
If you do accept delivery you are required to immediately take photos using your smart phone or camera of the damaged packaging or products inside the packaging.
If your item(s) do arrived damaged please send photos to sales@vistagreenhouses.com, then visit our Returns page and lodge your return claim online.
Engineered for direct, steady heat, the RSI Radiant Propane Gas Heater uses infrared/radiant technology to warm objects and air efficiently across your space. A built-in blower helps distribute heat, while battery/electric ignition and thermostat controls simplify start-up and temperature management. Use free-standing on the included legs or mount to a wall with the included bracket. Ideal for greenhouses, sheds, garages, and workshop areas where a ventless LP heater is appropriate and installed per local codes.
Heat output: Up to 18,000 BTU with infrared/radiant technology for efficient coverage.
Coverage: warms areas up to ~600 sq. ft. (conditions/insulation dependent).
Ventless LP design: runs on propane (LP) with battery/electric ignition; thermostat controls for easy set-and-forget operation.
Built-in circulating fan to move warm air through the space.
Mounting options: use free-standing with removable legs or wall-mount with the included bracket.
Safety: Oxygen Depletion System (ODS) with auto shutoff; follow all ventilation/clearance guidelines (ODS may trip at higher elevations).
Warranty: 2-year limited (RSI)
Heater cabinet (RSI-RLP18K)
Removable legs (floor use)
Wall-mount bracket
Hose (LP connection)
Owner’s/installation guide (propane tank not included)
Fuel: Liquid Propane (LP), vent less design.
Heat output: up to 18,000 BTU; Coverage: ~600 sq. ft.
Ignition / Controls: battery/electric ignition; built-in thermostat; built-in electric circulating fan.
Mounting: floor (legs) or wall (bracket included)
Dimensions: 20" W × 25" H × 8" D; Weight: ~27 lb
Location & codes: Use only where ventless LP heaters are permitted; follow local codes and greenhouse ventilation best practices. Ensure required clearances and stable mounting. (ODS sensors may shut the unit off if oxygen is low or at higher elevations.)
Fuel & hookup: Connect to a properly rated propane supply with included hose; leak-test all connections before lighting; follow the lighting/shutdown steps in the manual.
Operation: Set desired temperature with the thermostat; the blower circulates warmth to help maintain even conditions.
Maintenance: Periodically inspect hose, regulator, and connections; keep the emitter and fan inlet clear of dust/debris.
We get it. You've got a lot of choice when it comes to online retailers. Here's why we think you should shop with us at Vista Greenhouses.
But first, you should definitely hear from our customers here.
Note: Excludes select freight items; see Shipping tab on product pages
Shipping is FREE on all orders to customers within USA.
We don't want to mess around with fine print and extra charges, we like things to be simple and easy.
Want to know about our Returns Policy? Read more here.
Order Confirmation:
As soon as you place your order you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorised your credit card for the purchase.
As soon as we receive your order we automatically check to confirm that your order is in stock and available for immediate shipment. If your item is on back-order or unavailable we will void the pre-authorisation and reach out to you via e-mail to see if alternate arrangements can be made.
If your item(s) are available for immediate shipment (within 5 business days) we will process the charges and get to work preparing your order for shipment.
Order Shipment:
If your order is in stock and we process the charges to your credit card it will ship within three business days from the date of your order.
We will send you shipping confirmation within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.
If you do not receive shipping confirmation from us within four business days of your order feel free to follow up with us at sales@vistagreenhouses.com.
International Orders:
Please be aware that our products are made specifically for the USA market. This means that they require a [choose 110V or 240V] electrical system to function correctly.
Our products have generally not been certified for use with other countries electrical safety standards but all of our products are certified to USA standards.
We will happily ship our fantastic products to international customers. Due to the extremely wide variety of product dimensions we will provide an up to date shipping price quote for you on request.
If you are happy with our shipping quote we will prepare an order and payment though our ultra secure online payment gateway.
Damages:
Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery or do not agree to accept the delivery.
If you do accept delivery you are required to immediately take photos using your smart phone or camera of the damaged packaging or products inside the packaging.
If your item(s) do arrived damaged please send photos to sales@vistagreenhouses.com, then visit our Returns page and lodge your return claim online.
