First heater

The best patio heaters for beginners

Almost every first-time buyer makes the same three mistakes, in the same order. None of them is about picking the wrong brand.

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These are predictable enough to be worth stating before any product, because avoiding them matters more than which heater you pick.

1. 1Buying for output instead of for the space. More BTU feels like more warmth and outdoors it frequently is not, because a breeze removes warmed air faster than a bigger burner replaces it. The fix is free: work out what the space needs before shopping.
2. 2Not budgeting the running cost. The purchase price is the smaller number. A propane tower is about $253 of fuel across a 20-week season at three evenings a week; an electric unit is about $50. Most first-time buyers have not seen either figure.
3. 3Putting it in the middle. A heater in the geometric center of a patio warms the part of the patio nobody sits on. Heat goes where you point it, and moving the chairs is the cheapest fix on this entire site.

The whole first decision is one observation. Is there a roof, a pergola, a porch ceiling or anything solid overhead, and is there an outlet within reach?

Yes: buy electric infrared. It is the easier appliance in every respect a beginner cares about — plug it in, no fuel to source, no flame to relight, no cylinder to store, and a fifth of the running cost. Under cover it does not need the extra output that propane offers.

No: buy propane. Not because it is the better appliance but because electric cannot physically do the job on an open patio, where the 1,500 watt ceiling is a hard limit and you genuinely need the larger number.

That single look settles fuel, and fuel settles most of the rest. If you want the arithmetic rather than the rule of thumb, the calculator takes a minute and prints its working.

Quick picks

Ranked for fit, not for hype. Output is the maker’s published figure; reach is computed from it or from the maker’s own radius claim, and the table says which. Tap a row for the full write-up, or go straight to the listing.

#	Product	Best for	Output	Reach	Price
1	Dr Infrared 1500 WRadiant heat that a breeze cannot blow out, on a plug. 1,500 W is only 5,118 BTU/h, which sounds like nothing next to a propane tower and lands far more of itself on you.	Wind, and anywhere with a roof	1,500 W	256 sq ft	$148.98 · Check on Amazon
2	Amazon Basics 46kOne of the very few towers whose maker publishes a coverage radius rather than a vague area, and the 9 ft figure survives the arithmetic. That alone puts it ahead of most of the field.	The published-radius honesty test	46,000 BTU	254 sq ft claimed	$164.99 · Check on Amazon
3	Hiland tabletop11,000 BTU heats a table, not a patio, and being clear about that is the whole point. For a bistro table on a balcony it is the right size and nothing bigger fits.	One table, four people	11,000 BTU	550 sq ft	$128.60 · Check on Amazon

Reach marked “claimed” is the maker’s own published figure. Reach without that label is ours, computed from published output at 20 BTU per square foot for an open patio. Neither is a measurement we took.

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Top pick · Wind, and anywhere with a roof

Dr Infrared Heater DR-238 Carbon Infrared Patio Heater with Kasa Outdoor Smart Plug

Radiant heat that a breeze cannot blow out, on a plug. 1,500 W is only 5,118 BTU/h, which sounds like nothing next to a propane tower and lands far more of itself on you.

Fuel

Electric

Output

1,500 W = 5,118 BTU/h

Reach (computed)

256 sq ft · 9.0 ft radius

Cost per hour

$0.28

Reach is ours, computed from published output at 20 BTU per square foot for an open patio. Cost at 18.34 cents per kWh. We have not measured any of this in person.

What works

• Infrared warms objects, not air, so it is the only heat that survives a breeze — this is the single reason wind changes the whole buying decision
• No combustion means no flue gas, which is what makes it legal and sensible on a screened porch where propane is not
• Three settings matter more than they sound: 900 W costs a third less to run and is enough most evenings

What does not

• 1,500 W is 1,500 W. Nothing at this wattage heats faster than anything else at this wattage; the differences between electric heaters are beam shape and build, not power
• It heats what it points at. Step out of the beam and you are cold immediately — this is a fundamentally different experience from a tower
• A 120 V plug-in unit is capped by your circuit, not by the maker. See why 1,500 W is the ceiling

Published specification
Rated power	1,500 W at 120 V
Settings	900 W / 1,200 W / 1,500 W
Element	Carbon infrared lamp
Reflector	Mirror aluminum, 90% reflectivity per the maker
Housing	Anodized aluminum, rated for outdoor use
Mounting	Wall and ceiling brackets plus remote in the box
Bundle	Currently sold with a Kasa EP40 outdoor smart plug
Maker’s coverage claim	None published — the reach figure above is ours
Safety listing	ETL listed, per the maker's published product data

Who it is for

A covered patio, pergola or screened porch where you can mount it overhead and point it at where people sit, and anywhere wind ruins a flame.

What it is not for

A big open patio with nowhere to mount it. Radiant heat needs a line of sight and a place to hang from.

$148.98 · Check on Amazon

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Sources for this entry

• Amazon listing — Dr Infrared DR-238 carbon infrared heater bundled with a Kasa EP40 outdoor smart plug
• Dr. Infrared Heater — DR-238 published specification

2 · The published-radius honesty test

Amazon Basics 46,000 BTU Outdoor Propane Patio Heater

One of the very few towers whose maker publishes a coverage radius rather than a vague area, and the 9 ft figure survives the arithmetic. That alone puts it ahead of most of the field.

Fuel

Propane

Output

46,000 BTU/h

Reach (claimed)

254 sq ft · 9.0 ft radius

Cost per hour

$1.35

Reach is the maker's own published claim, quoted rather than endorsed. Cost at $2.674 per gallon of propane. A 20 lb cylinder runs it about 9.4 hours at full output. We have not measured any of this in person.

What works

• A published 9 ft radius is a 254 sq ft circle, and 46,000 BTU is far more than that area needs — a claim on the conservative side of its own specification, which is rare here
• The water-fill base box is a real anti-tip measure, not a sticker: filled, it is the difference between a windy evening and a repair bill
• One-touch ignition and a chain for the cylinder are both small things the cheap clones drop

What does not

• The listing does not name a safety certifying body, only the tilt valve, so we cannot tell you it is CSA listed
• 91 in tall with an open flame: the same wind exposure as every other tower of this shape
• The water box has to be emptied before a freeze or it splits

Published specification
Rated input	46,000 BTU/h
Published reach	9 ft radius
Dimensions	32.1" L x 32.1" W x 91.3" H
Fuel	20 lb propane cylinder, not included
Safety	Tilt auto-shutoff valve; chain to secure the cylinder
Base	Water-fill box for ballast, wheel kit included
Maker’s coverage claim	9.0 ft radius, which is 254 sq ft
Safety listing	Tilt auto-shutoff valve; the listing does not name a certifying body

Who it is for

An open patio where you want the largest honest circle of warmth per dollar and are happy to handle cylinders.

What it is not for

Anywhere enclosed, and anywhere the base cannot be filled with water — an empty ballast box makes this a tall, light, tippy object.

$164.99 · Check on Amazon

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Sources for this entry

• Amazon listing — 46,000 BTU, 9-foot radius, dimensions and safety features

3 · One table, four people

Hiland HLDS032-BB Portable Table Top Patio Heater, Hammered Bronze

11,000 BTU heats a table, not a patio, and being clear about that is the whole point. For a bistro table on a balcony it is the right size and nothing bigger fits.

Fuel

Propane

Output

11,000 BTU/h

Reach (computed)

550 sq ft · 13.2 ft radius

Cost per hour

$0.32

Reach is ours, computed from published output at 20 BTU per square foot for an open patio. Cost at $2.674 per gallon of propane. A 20 lb cylinder runs it about 39.2 hours at full output. We have not measured any of this in person.

What works

• Runs off a 1 lb canister, which makes it the only heater here you can carry out to a table and back with one hand
• 11,000 BTU is honest for the job: our reach arithmetic puts that at roughly a table's worth of warmth, and the unit does not pretend otherwise
• A burner screen guard on a table-height heater is a genuine safety feature, not a spec-sheet line

What does not

• 1 lb canisters are the most expensive propane per BTU you can buy — get the 20 lb adapter hose if you use it regularly
• At 38 in on a table, this puts an open flame at seated head height. Placement matters more than with any other unit here
• It will not touch an open patio. Anyone expecting a room-scale effect will be disappointed

Published specification
Rated input	11,000 BTU/h, adjustable
Height	38 in
Fuel	1 lb canister or 20 lb cylinder, per the listing
Finish	Hammered bronze
Safety	Thermocouple, anti-tilt device, burner screen guard
Stability	Weight plate in the base
Maker’s coverage claim	None published — the reach figure above is ours
Safety listing	Thermocouple flame-failure cutoff and anti-tilt device per the listing

Who it is for

A balcony, a bistro table, or a second heater that warms hands at the table while a tower does the space.

What it is not for

Heating an area. And never indoors, on a covered porch with a low ceiling, or anywhere a tablecloth can reach it.

$128.60 · Check on Amazon

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Sources for this entry

• Amazon listing — HLDS032-BBS, 11,000 BTU, 38 in, fuel options and safety features

The rule of thumb worth carrying is 20 BTU per square foot for an open patio in mild conditions. A 12 by 12 ft patio is 144 sq ft, so about 2,900 BTU/h — which is less than a single 1,500 W electric unit produces, and a fraction of what a 46,000 BTU tower does.

That looks like it settles the question and it does not, because the multipliers are where the real answer lives. Enclosure and exposure move that baseline by a factor of two to three in either direction, and a genuinely windy open patio can want three times the mild-day figure to feel the same.

So the honest version is: the number is small, the correction is large, and the correction depends on your specific patio rather than on the product. That is why every sizing answer here starts with the space and not the heater.

• Roofed and walled on two or three sides — the low end. A 1,500 W electric unit genuinely covers a seating group, and buying more is spending money on heat that leaves anyway.
• Roofed but open-sided — the middle. Electric still works; position matters more than output, because the roof holds the warm air and the open sides let it walk out.
• Open sky — the high end, and where the multiplier bites. This is the case that needs propane, and the case where people most often buy a bigger tower hoping it will fix what is actually a wind problem.

Run your own patio through the calculator rather than trusting the rule of thumb. It applies the multipliers for you and prints the working, which takes about a minute and is the highest-value minute a first-time buyer can spend.

The parts nobody mentions at the point of sale, and the reason some first heaters get abandoned by the second winter.

• Propane runs out faster than you expect. A 20 lb cylinder is about ten hours at full output — two or three evenings, not a season. A spare cylinder is the single best value accessory in propane heating.
• It has to live somewhere. A tower is roughly seven feet tall and does not fold. Either it stays outside under a cover or it takes up real indoor space, and a heater that is annoying to deploy stops being used.
• It will stop lighting eventually. Usually the thermocouple, usually somewhere between years two and five, and usually a cheap part rather than a dead heater — provided you bought a platform whose parts are sold.
• Spiders. Genuinely. A nest in the burner tube over winter is one of the most common reasons a heater will not light in spring, and the fix is a brush rather than a repair. The fault tree.

1. 1Block the wind on the prevailing side. Free to run, and it moves the comfortable band by roughly ten degrees. Tie a ribbon to the railing and watch it for a week before spending anything — windbreak options.
2. 2Warm the people. Cushions and a heated blanket at a fraction of a cent an hour. This handles the seated case, which is most of an evening.
3. 3Then buy a heater, sized to what is left rather than to the whole problem.

Done in that order, most first-time buyers end up needing a smaller and cheaper heater than they were about to buy. That is the opposite of a sales pitch and it is the advice that holds up.

Worth knowing, because it changes what makes sense first. Almost nobody who keeps using a patio in the cold ends up with one heater.

The common end state is a mounted electric unit over the seating group and something with real output for the open part — which is what restaurant terraces run and for the same reason. A tower handles the volume; radiant heat handles the people. Buying the movable one first and mounting the second deliberately, once you know the patio, is a better sequence than guessing at a mounting position on day one.

The other thing worth knowing about the second purchase is that it is rarely a second copy of the first. Two towers on one patio is usually a wind problem being answered twice. The pairing that works is one of each kind — volume from a tower, aimed radiant heat where people sit — because they fail in different conditions and cover for each other.

Look up, pick the fuel the space allows, buy something you can move, and spend the first fifty dollars on blocking wind rather than on a bigger burner. The heater matters less than where you put it, and that is the thing first-time buyers learn last.