Best Outdoor Patio Heaters Under $300 for Fall
The window between summer and first frost is some of the best outdoor time of the year, but you lose it fast if your patio gets cold after dark. A good heater buys you two more months of use out of your furniture investment.
The under-$300 range has gotten genuinely good. You're not making compromises anymore. Propane towers that heat a 20-foot circle, wall-mounted infrared that warms a covered pergola in minutes, tabletop units small enough for a 6x8 balcony. The options cover real-world situations.
This list covers six distinct heater types so you can match the right one to your actual setup. A freestanding propane heater makes sense for a big open backyard. A wall mount makes more sense under a pergola. A tabletop unit is the right call for a third-floor apartment deck. Pick the one that fits where you actually spend time.
Best Freestanding Propane Pyramid Heater for Open Patios
The Hiland HLDS01-GTHG is the glass tube pyramid heater you've probably seen on restaurant patios, and there's a reason it keeps showing up. The visible flame column in the center glass tube does real atmospheric work at night. It puts out 40,000 BTUs and heats a comfortable circle about 15 feet across, which covers a standard 12x12 patio with room to spare.
The pyramid shape is taller and slimmer than a classic mushroom heater, so it takes up less visual real estate. It works well for entertaining 6 to 8 people around an outdoor dining table without the heater dominating the space. The propane tank sits hidden in the base, and the auto-shutoff tip-over feature is worth having when guests are moving around. This one runs right at the edge of the budget at around $219, but it also looks twice that on the patio.
Hiland HLDS01-GTHG Pyramid Glass Tube Patio Heater
$219
3,800+ reviews
A 40,000 BTU propane pyramid heater with a visible flame column that looks like it belongs at a nice restaurant, not a big box store.
Shop on Amazon →Best Portable Propane Heater for Flexible Spaces
The Mr. Heater Big Buddy MH18B is not glamorous, but it is the most genuinely useful heater on this list. It puts out 18,000 BTUs and can heat a space up to 450 square feet, which means it outperforms most outdoor heaters that cost twice as much. You can run it off 1-pound camping cylinders or connect a standard 20-pound tank with the hose sold separately.
What makes it worth recommending for a patio is the flexibility. Take it from the deck to the garage to the campsite to the tailgate. It has a built-in low-oxygen shutoff, which is a safety feature that matters when you move it inside a three-season porch or a screen room with limited airflow. At around $169 it's the most versatile dollar you'll spend in this category, and it goes on sale regularly in the fall when demand picks up.
Mr. Heater F274830 MH18B Big Buddy Portable Propane Heater
$169
22,400+ reviews
18,000 BTUs in a truly portable package that goes anywhere you do, from the back patio to the screen porch to the garage.
Shop on Amazon →Best Wall-Mounted Infrared Heater for Covered Patios
If you have a pergola, a covered porch, or an overhang, a wall-mounted infrared heater is almost always the better call over a freestanding unit. It keeps floor space clear, doesn't tip, and directs heat exactly where people are sitting. The Fire Sense 60364 is a 1500-watt electric infrared heater that mounts to a wall or ceiling and does exactly that job without much drama.
Infrared heat warms objects and people directly rather than trying to heat the air, which means wind doesn't steal your warmth the same way. On a covered 10x10 patio with some protection from wind, this heater is genuinely comfortable into the low 40s. It plugs into a standard 120V outlet, so there's no propane to deal with. At around $119 it's one of the most affordable picks on this list and an easy upgrade if your pergola already has an outlet nearby.
Fire Sense 60364 Hammer Tone Bronze Wall Mount Infrared Patio Heater
$119
6,100+ reviews
A 1500-watt infrared wall mount that plugs into a standard outlet and keeps a covered 10x10 patio warm well into October.
Shop on Amazon →Best Tabletop Heater for Balconies and Small Decks
A third-floor apartment deck or a small 6x8 balcony has no room for a freestanding tower heater. The Flame King YSNPQ301 is a tabletop propane heater that sits in the middle of your bistro table and puts out focused warmth for two to four people. It uses a 1-pound propane cylinder you can find at any hardware store and runs for about an hour and a half on a single canister.
It's not going to heat a wide-open space, and it's not trying to. For a small balcony dinner with one other person, or morning coffee outside when it's 48 degrees, this is exactly right. The flame is partially visible through the mesh guard and gives off a bit of glow at night, which makes a small space feel more intentional. At around $79 it's an easy pick if you're working with limited square footage.
Flame King YSNPQ301 Propane Tabletop Patio Heater
$79
2,100+ reviews
A compact tabletop propane heater that warms a small balcony table for two without taking up a single square foot of floor space.
Shop on Amazon →Best Classic Propane Heater for Large Backyard Gatherings
The mushroom-style propane heater is the standard for a reason. It puts out 46,000 to 48,000 BTUs, heats a 15 to 20-foot circle, and works in an open backyard where there's nothing to mount a wall heater to. The Costway propane patio heater does everything you expect from this style and adds a protective cover and wheels at a price around $139, which is hard to argue with.
This is the workhorse option. It's not a showpiece the way the pyramid heater is, but it's more practical for a large gathering. Set it up at the edge of your seating area as a backyard alternative to a fire pit, or center it between two groups of chairs for a dinner party of 10 or 12. The auto-ignition saves the fumbling-with-matches moment in the dark. For an open backyard patio over 200 square feet, this style heater is usually the most effective dollar per BTU.
Costway 48,000 BTU Propane Patio Heater with Wheels and Cover
$139
4,700+ reviews
A no-nonsense 48,000 BTU propane mushroom heater that covers a 20-foot circle and comes with wheels and a protective cover for under $150.
Shop on Amazon →Best Ceiling-Mount Infrared Heater for Pergola Corners
The Comfort Zone CZQTV5M is a ceiling or wall-mount quartz infrared heater that covers more area than most people expect for the price. At 1500 watts it heats up in about 30 seconds, and because it mounts overhead rather than on a side wall, the heat distribution is more even underneath. Mount it at the peak of a covered patio or centered in a pergola bay and the warmth comes straight down on the people sitting below.
At around $65, this is the most affordable heater on the list and it genuinely overperforms for the price. You'll need a junction box or outdoor-rated outlet nearby for mounting, but the unit itself is lightweight enough that it's a one-person install on a weekend afternoon. There's no fan, so it runs quietly, and the quartz element itself is durable enough for outdoor covered use through a full fall and into early winter.
Comfort Zone CZQTV5M Ceiling and Wall Mount Quartz Infrared Heater
$65
5,300+ reviews
A ceiling-mount quartz infrared heater that warms up in 30 seconds and turns a pergola corner into a genuinely comfortable fall spot for under $70.
Shop on Amazon →Frequently Asked Questions
What is the best outdoor patio heater under $300?
For most open backyards, a freestanding propane heater in the 40,000 to 48,000 BTU range gives you the most heat coverage for the money. The Hiland pyramid heater and Costway mushroom-style both perform well under $300. If you have a covered patio or pergola, a wall-mounted infrared unit like the Fire Sense 60364 is often more efficient.
Are propane or electric patio heaters better for outdoor use?
Propane heaters put out significantly more heat and work in open spaces where wind is a factor. Electric infrared heaters are more convenient for covered patios with a nearby outlet and don't require managing fuel. For open backyard use, propane wins. For covered pergolas and screened porches, electric infrared is usually the better fit.
How long does a 20-pound propane tank last in a patio heater?
A standard 40,000 to 48,000 BTU freestanding propane heater burns through a 20-pound tank in roughly 8 to 10 hours at full output. Running on medium heat extends that to 12 to 14 hours. One tank typically covers a full fall weekend of evening patio use.
Can I use a patio heater on a wood deck?
Yes, with the right clearances. Freestanding propane heaters need at least 3 feet of clearance above the reflector from any overhead surface. Infrared wall mounts need 7 feet of vertical clearance below the unit. Check your specific model's manual before mounting near wood or vinyl materials.
What size patio heater do I need for a 10x10 patio?
A 1500-watt electric infrared heater handles a covered 10x10 patio well. For an open 10x10 space exposed to wind, step up to a 40,000 BTU propane heater. Tabletop models work for one to two people but won't cover the full space.
Quick Tips for Getting More Out of a Patio Heater
- Position matters more than BTUs. A heater aimed at people is more effective than one pointed at open sky. For freestanding units, place it 3 to 4 feet from your seating area rather than at the far edge of the patio.
- Windscreens extend your season. Even a simple canvas or bamboo privacy screen on the windward side of your patio makes an electric or infrared heater dramatically more effective. Wind is the biggest enemy of outdoor heat.
- Match the heater type to your ceiling height. Infrared and quartz wall or ceiling heaters need at least 7 feet of clearance below them to work safely and effectively. In a low-ceiling space, a tabletop or freestanding unit is the better choice.
- Buy a propane cover before fall rain starts. Most patio heaters include a cover or sell one as an add-on. Storing a propane heater covered extends its life significantly through wet fall and winter weather.
- Check your extension cord rating before plugging in. Electric patio heaters draw 12 to 15 amps. Use an outdoor-rated heavy-gauge cord rated for at least 15 amps, or run the heater directly from a GFCI-protected outdoor outlet.
- Layer a throw blanket with the heater. A patio heater plus a good outdoor throw blanket is more comfortable than a heater alone. The heater handles ambient chill, the blanket handles the cold spots at ankles and laps.