Can I use a patio heater, fire pit, pizza oven or grill under my lanai or pool cage?

• Top: 80 inches
• Sides: 36 inches
• Do not use this appliance under overhead combustible surfaces.
• This appliance shall be used only outdoors in a well-ventilated space and shall not be used in a building, garage or any other enclosed area.

• Top: 80 inches
• Sides: 36 inches
• Do not use this appliance under overhead combustible surfaces.
• This appliance shall be used only outdoors in a well-ventilated space and shall not be used in a building, garage or any other enclosed area.

• Top: 80 Inches or greater
• Sides: 36 Inches or greater
• Do not use this appliance under overhead combustible surfaces.
• This appliance shall be used outdoors only in well ventilated space and shall never be used in building, garage or any other enclosed area's

• 30cm clearance (back and sides)
• Under no circumstances is the oven to be placed under or on top of any combustible structure.
• Do not use under any apartment or balcony or deck.
• Never operate this appliance within 1.5m of any structure, combustible material or other gas cylinder.

In the maker's documents: Within document: 30cm back/sides + 100cm front (p.23) vs a general 1.5m-of-any-structure rule (p.5).

• 0.3m/1ft clearance (back and sides)
• Under no circumstances is the oven to be placed under or on top of any combustible structure.
• Do not use under any apartment or balcony or deck.
• Never operate this appliance within 1m/3.3ft of any structure, combustible material or other gas cylinder.

In the maker's documents: Within document: 1 ft back/sides + 3 ft 3 in front (p.19) vs general 1m/3.3ft-of-any-structure rule (p.4). Cross-document: Arc/Arc XL, Dome and Tread docs give 1.5m for the general rule.

• 30cm/1ft clearance (back and sides)
• Under no circumstances is the oven to be placed under or on top of any combustible structure.
• Do not use under any apartment or balcony or deck.
• Never operate this appliance within 1.5m/5ft of any structure, combustible material or other gas cylinder.

In the maker's documents: Within document: 1 ft back/sides + 3 ft 4 in front (p.23) vs general 1.5m/5ft-of-any-structure rule (p.4).

• 0.3m (1ft) clearance (back and sides)
• Under no circumstances is the oven to be placed under or on top of any combustible structure.
• Do not use under any apartment or balcony or deck.
• Never operate this appliance within 1.5m of any structure, combustible material or other gas cylinder.

In the maker's documents: Within document: 1 ft back/sides + 3 ft 3 in front (p.19) vs general 1.5m-of-any-structure rule (p.4).

• Minimum clearance from sides and back of the appliance to wall is 36 inches (92 cm).
• Do not use under overhead construction.
• Do NOT use in a building, garage, or enclosed area. This appliance must be used outdoors in a well-ventilated area.
• Do NOT use on combustible surfaces. Use only on a level, stable surface.

• Maintain proper clearance to combustibles 20" (508mm) to rear of unit
• 7" (178mm) to sides
• Do not operate unit under overhead combustible construction.
• Additional clearance of 24" (610mm) is recommended near vinyl siding or panes of glass.

• Do not use this grill within 2 feet (61cm) of any combustible material.
• Combustible materials include, but are not limited to, wood or treated wood decks, patios, porches, vinyl siding, and patio doors.
• Do not use this grill in a garage, building, breezeway, tent, lanai, screened in porch, or any other enclosed area.
• combustible construction including ceilings and overhangs

• A minimum clearance of 914mm (36 inches) from combustible constructions to the sides of the grill, and 914mm (36 inches) from the back of the grill to combustible constructions must be maintained.
• This wood pellet appliance must not be placed under overhead combustible ceiling or overhang.
• Do not install appliance on combustible floors, or floors protected with combustible surfaces unless proper permits and permissions are obtained by authorities having jurisdiction.
• Do not use this appliance indoors, in an enclosed or unventilated area, inside homes, vehicles, tents, garages.

• When using your grill, maintain a MINIMUM distance of 20 inches (50.8 cm) from the grill to any nearby combustibles, including wooden railings, home siding, window frames, furniture, trees, and trash receptacles, etc.
• Do not install or operate this grill on combustible floors or surfaces, indoors or under a combustible ceiling or overhang.

• two (2) feet from the top
• three (3) feet from the sides
• (a) With walls on all sides, but at least one permanent opening at ground level and no overhead cover.

In the maker's documents: Within document: directional figures (2 ft top / 3 ft sides) vs a single overall figure elsewhere ("3.61 ft (1100mm)"). Also requires table mounting at min. 1300mm from floor.

• Keep flammables at least 3 feet from sides and 3 feet from top
• Combustible materials should not be within 48 inches of the product
• c. Within a partial enclosure which includes an overhead cover and three side walls, as long as 30 percent or more of the horizontal periphery of the enclosure is permanently open.
• Heater is outdoors (outside any enclosure).

In the maker's documents: Within document: Safety Information (p.4) says 3 ft sides/top; Preparation (p.5) and Operation Checklist (p.19) say 48 in. top and sides. Also the p.17 shelter rule permits partial enclosures while the p.19 checklist says "outside any enclosure".

• Do not use the grill within 24 inches (61 cm) of combustible materials. This includes the top, bottom, back and sides of the grill.
• Do not use in a garage, building, breezeway, tent, any other enclosed area, or beneath overhead combustible construction.
• An appliance is considered to be outdoors if installed with shelter no more inclusive than within a partial enclosure that included an overhead cover and three sidewalls, as long as 30% or more of the horizontal periphery of the enclosure is permanently open.
• All openings must be permanently open; sliding doors, garage doors, windows, or screened openings are not considered as permanent openings.

In the maker's documents: Document prints no model name/SKU; matched to Q 2800N+ via the Home Depot listing that serves it.

• Ensure the product has a minimum of 2 m overhead clearance
• and has a minimum of 2 m clearance from other surrounding items.
• DO NOT use the barbecue in a confined and/or habitable space e.g. houses, tents, caravans, motor homes, boats. Danger of carbon monoxide poisoning fatality.
• Ensure that the product is positioned on a permanent, flat, level, heat resistant non-flammable surface

States a 2 m (about 6.5 ft) overhead clearance and 2 m from surrounding items, and bars confined or habitable spaces. It never says whether a roof at that height is allowed.

• FOR CANADA (CETL) APPROVAL DO NOT INSTALL LESS THAN 96" (8') FROM THE FLOOR.
• at least 3' (900mm) from the front of the heater and keep them away from the sides and rear
• For longest product life & to maintain product appearance mount heater under cover
• This heater is not intended for use in bathrooms, laundry areas and similar indoor locations.

An electric heater: the manual recommends mounting it under cover "for longest product life", and sets its height and front clearance. The side, rear and overhead figures are in a drawing on page 5 we could not extract.

• Minimum heater clearances from combustible materials: three (3) feet from the sides and two (2) feet from the top.
• Heater is at least 24 in. on top and at least 36 in. on sides from combustible materials.
• For outdoor use only. Never use inside house, or other unventilated or enclosed areas.
• Your heater was designed and approved for outdoor use only. Do NOT use it inside a building, garage, or any other enclosed area.

• Always maintain proper clearance to non protected combustible materials i.e. top 100 cm
• and sides 100 cm minimum
• The heater is primarily for outdoor use only. Always ensure that adequate fresh air ventilation is provided.
• The use of this appliance in enclosed areas can be dangerous and is PROHIBITED.

• For outdoor use only
• DO NOT use this outdoor gas fire table for indoor heating. Toxic carbon monoxide fumes can accumulate and cause asphyxiation.
• NEVER leave this gas fire pit unattended when in use.

• When using the appliance, keep the appliance area clear and at least 50 inches from combustible materials, gasoline and other flammable liquid and vapors.
• Use the appliance outdoors in a well-ventilated space only, not in a building, garage, or any other enclosed area.
• Your fire pit was designed and approved for OUTDOOR USE ONLY. DO NOT use it inside a building or any other enclosed area.

• must be 1m away from any structure or combustible material
• Use outdoors only
• Do not set your oven on plastic or glass tables

• Do not use indoors.

• Karu 12 is designed for outdoor use only. Do not use in high winds.
• You can set up on other sturdy wooden, steel or stone surfaces. Plastic and glass are not recommended.

• Never operate this appliance within 5ft (1.5m) of any structure, combustible material or other gas cylinder.
• Never operate this appliance in enclosed areas.

• FOR OUTDOOR USE ONLY

• This grill is for outdoor use only. DO NOT use it in any enclosed area.
• Maintain a safe distance between your grill and any combustible material.
• DO NOT store or use combustible materials or liquids near this appliance.

In the maker's documents: No numeric clearance anywhere in the 28-page manual (a gap in the maker documentation, per the note).

• keeping combustible materials at least 61 cm (24 inches) from the back or sides of the barbecue when in use

• Do not use the barbecue within 61 cm (24 inches) of combustible materials. This includes the bottom, back and sides of the barbecue.

• Combustible materials should never be within 24 inches of the back or sides of your Weber gas barbecue.

• Locate the grill away from any combustible and non-combustible material or construction by at least 24 inches (61cm) from back and 24 inches (61cm) from side.

• For both wall and ceiling mounting, the lowest part of the heater must be located at or above a minimum height of 2.4m/94.5" from ground level
• For both horizontal and vertical mounting on the wall, there must be a min. distance of 0.4m/15.8" between the appliance and the ceiling.
• The distance from your appliance from the corners should be min. 0.4m/15.8" for vertical use and min. 0.5m/19.7" for horizontal use.
• Do not use near or in the immediate vicinity of a bath or swimming pool or any source of liquid.

Its quotes are wall and ceiling MOUNTING rules for an electric heater (height, distance from the ceiling and corners), plus keep it away from a pool. Nothing on a covered patio.

• Ensure the surface is level, stable, clean and dry

The one line we could verify is about a level, stable, dry surface.

• maintain 10 ft. clearance to objects that can catch fire or sources of ignition such as pilot lights on water heaters, live electrical appliances, etc.
• the appliance must be on a level surface in an area clear of combustible material

Its 10 ft figure is a clearance to ignition sources (pilot lights, live electrical appliances), not a side, back or overhead rule.

• Ooni Volt 2 is designed for indoor use only.
• Never set it on top of glass or plastic.
• Always contact the manufacturer of the surface for advice when in doubt.

An electric oven Ooni designs for indoor use only. It is here because it is sold beside the outdoor ovens.