Comparison: Best Space Heater For 3 Season Porch (Updated | Dec 16th)
As autumn leaves begin to fall and winter chill sets in, your cozy three-season porch doesn’t have to become a no-go zone. We’ve done the legwork, testing and comparing top models to bring you the definitive guide to the best space heaters for your three-season porch.
Editor’s Choice
Best for a specific purpose
- Best for all-season porch comfort: Outdoor Electric Patio Heater
- Best for smart safety choice: Outdoor Heater for Patio
- Best for rapid heat solution: Encyclpo Patio Heater for Outdoor Use
- Best for space-saving wall mount: Patio Heater
- Best for weatherproof tower heater: Outdoor Electric Patio Heater
- Best for greenhouse heating pro: VCJ Outdoor Heaters for Patio
- Best for 3d oscillating warmth: Dreo Whole Room Heater 714
- Best for quiet garage heater: Space Heaters for Outdoor Use
- Best for commercial-grade outdoor: Dr Infrared Heater DR-238 Carbon Infrared Outdoor Heater for Restaurant
- Best for whisper-quiet heating: Dreo Space Heater Large Room
Product Comparison: Best Space Heater For 3 Season Porch
All-Season Porch Comfort
Outdoor Electric Patio Heater, Haimmy 42in Infrared Heater with Remote, 9 Heat Levels, 9H Timers, 1500W Instant Heating, Safety Lock, Tip-Over & Overheat Protection, IPX5 Waterproof Tower Space Heater
HAIMMY
- 【Wider Heating & Advanced Heating Tec】Our infrared heater indoor outdoor is 42 inches high, and its heating tube is about two-thirds of its high, which can warm you and your family up from the feet to the whole body. This 1500-watt outdoor heater for patio features high-efficiency carbon fiber heating wire and offers instant & focused sunshine-like heat, directly transfers heat to the body so you can feel comfortably warm instantly, no need to wait in the cold for a long time.
- 【9 Optional Heat Levels】This electric indoor outdoor heater for patio is available in 9 heat modes, from 620W to 1500W, perfectly customized to meet your desired temperature that makes you feel nice and warm in the cold environment. The outdoor patio heater electric boasts a compact, space-saving design, making it ideal for outdoor or indoor use.
- 【1-9 Hours Timer】The timer function of Haimmy outdoor electric heater allows you to set a duration you need from 1-9H before going to sleep to prevent potential safety hazards and save energy. Infrared patio heater will be good company in a quiet way. The heater works silently since they don’t use a fan- they just heat light! They’re great for noise-sensitive environments to accompany you to sweet sleep. Set the timer on the remote or press & hold the knob for 2s to enter/exit the timer setting.
- 【Multiple Safety Protections】With the automatic shutoff sensor, when tilting off the ground or being knocked over by pets, the screened porch heater shuts down automatically so you don’t have to worry about it accidentally tipping over by the strong wind or accidental collision. When it is overheated, the electric patio heater for outdoor use stops heating automatically, providing the best protection.
- 【Safety Lock】Efficiently prevent children or pets from operating the heater by mistake. The safety lock of this infrared indoor heater has a memory function, if you set the lock while the heater is running, after you lift or move the tower heater, it will turn off and remain locked if you turn it on. (Use the remote or press & hold the knob for 5s to activate or deactivate)
- 【IPX5 Waterproof for Outdoor Use】This IPX5 water resistance protects your portable patio heater outdoor against different weather conditions when using outside, making it the perfect heating solution for porch, gazebo, terrace, courtyard, man cave, basement, outdoor café/restaurants, garage, greenhouse, backyards, balcony, & BBQ.
Smart Safety Choice
Outdoor Heater for Patio, 32″ Infrared Electric Heaters Indoor w/Remote, 1500W, 60° Oscillation, 9H Timer, 9 Heat Level, Tip-Over/Overheating Protection, Safety Lock, for Garage Porch Office Black-3
Slkdrft
- 🔥𝙁𝙖𝙨𝙩 & 𝙒𝙞𝙙𝙚 𝙃𝙚𝙖𝙩𝙞𝙣𝙜: This patio heater uses high-efficiency carbon fiber and infrared technology to deliver heat directly to people and objects, not just the air. It quickly provides warmth and is especially effective in outdoor or open areas, preventing heat loss. The 60° oscillation expands the heating area, ensuring no cold spots at your outdoor gatherings.
- 🔥𝟵 𝘼𝙙𝙟𝙪𝙨𝙩𝙖𝙗𝙡𝙚 𝙃𝙚𝙖𝙩 𝙇𝙚𝙫𝙚𝙡𝙨: With power settings ranging from 500W to 1500W, this outdoor heaters offers nine temperature levels. Whether you need gentle warmth on a cool autumn evening or powerful heat on a cold winter night, this patio heater delivers unmatched comfort.
- 🔥𝟵-𝙃𝙤𝙪𝙧 𝙏𝙞𝙢𝙚𝙧: Equipped with a smart timer, this space heater outdoor can be set from 1 to 9 hours, allowing you to customize your heating duration for a worry-free, warm night. This feature adds convenience and is an essential safety measure to prevent overheating from extended unattended use.
- 🔥𝙐𝙡𝙩𝙧𝙖-𝙌𝙪𝙞𝙚𝙩 𝙊𝙥𝙚𝙧𝙖𝙩𝙞𝙤𝙣: Ideal for creating a quiet sleep environment, this infrared heater operates almost silently. Unlike PTC ceramic heaters, it doesn’t require a fan, so it avoids air movement, noise, and odors, letting you enjoy a peaceful night.
- 🔥𝙈𝙪𝙡𝙩𝙞𝙥𝙡𝙚 𝙎𝙖𝙛𝙚𝙩𝙮 𝙋𝙧𝙤𝙩𝙚𝙘𝙩𝙞𝙤𝙣𝙨: Certified by UL, this outdoor electric heater includes safety features like overheat & tip-over protection, a child lock, and a protective mesh to prevent accidental contact with the heating element—keeping children and pets safe. It has an IP44 rating for outdoor use, and a weighted base for extra stability, reducing the risk of tipping.
- 🔥𝙀𝙘𝙤-𝙁𝙧𝙞𝙚𝙣𝙙𝙡𝙮 𝘾𝙝𝙤𝙞𝙘𝙚: This outside heater is a cost-effective, eco-friendly alternative to propane heaters. It operates at just one-tenth the cost of propane heaters and doesn’t produce carbon dioxide, smoke, dust, noise, odors, or UV radiation.
- 🔥𝙋𝙤𝙧𝙩𝙖𝙗𝙡𝙚 & 𝙑𝙚𝙧𝙨𝙖𝙩𝙞𝙡𝙚: With a sturdy handle for easy transport, this garage heater is suitable for both indoor and outdoor spaces, making it perfect for living rooms, offices, porches, patios, yards, outdoor cafés, garages, backyards, and balconies.
- 🔥𝟮𝟰/𝟳 𝘾𝙪𝙨𝙩𝙤𝙢𝙚𝙧 𝙎𝙪𝙥𝙥𝙤𝙧𝙩 𝙬𝙞𝙩𝙝 𝙀𝙭𝙩𝙚𝙣𝙙𝙚𝙙 𝙒𝙖𝙧𝙧𝙖𝙣𝙩𝙮: If there’s a manufacturing defect, Slkdrft provides free replacement. You can also choose to extend the warranty up to three years, during which any issues will be covered with free replacement.
Rapid Heat Solution
Encyclpo Patio Heater for Outdoor Use,1500W Infrared, 36 in Portable Tower Heater, 3 Levels, IPX5 Waterproof, Tip-Over&Overheat Protection for Garage, Indoor, Large Room, Backyard, Home
Encyclpo
- 【1s Fast Infrared Heating】This 1500-watt outdoor heater for the patio features two high-efficiency carbon fiber heating wires and offers instant & focused sunshine-like heat. The infrared heater transfers heat directly to objects and people, heating faster to 1s.
- 【Ultra Quiet】Encyclpo patio heaters operate quietly without wind, noise, or odors, promoting peaceful sleep. They enhance metabolism, protect body moisture, prevent dry skin, provide comfortable warmth, and are beneficial for health.
- 【Waterproof Heater】With IPX5 waterproofed which is designed for indoor or outdoor use. Multiple uses for home, living room, bedroom, office, patio, porch, garage, balcony.
- 【3 Heat Settings】This electric space heater is suitable for both outdoor and indoor use. Equipped with 3 heating levels,600W/900W/1500W, perfectly customized to meet your desired temperature that makes you feel nice and warm in a cold environment.
- 【Multiple Safety Protections】The heater is made of high-quality, flame-retardant material, when tilting off the ground or being knocked over by pets, the heater shuts down automatically, When it is overheated, the patio heater for outdoor use stops heating automatically, providing the best protection.
Space-Saving Wall Mount
Patio Heater,1500W Outdoor Heaters,Wall Mounted Electric Heater With Remote,24H Timer,Overheat Protection,3 Heat Levels,Waterproof,Infrared Heater For Indoor,Garage,Backyard,Porch,Basement Use,Black
AKIRES
- 1s Fast Heating：The wall heater utilizes infrared technology and carbon fiber to offer a warmth akin to that of the sun, directly enveloping people and objects. It can heat up within 1 second, ensuring rapid and targeted comfort. Ideal for children, the elderly, and health-conscious families. Suitable for both indoor and outdoor use, it maintains a moist atmosphere, eliminating the wait for warm air and the discomfort of dryness
- Super Quiet：The patio heater is a silent companion. Since it doesn’t use a fan and only heats through light, it works silently. It’s great for noise-sensitive environments and promotes peaceful sleep. It enhances metabolism, protects body moisture, prevents dry skin, provides comfortable warmth, and is beneficial for health
- 3 Heat Settings：Designed for practicality, this outdoor heater can be easily mounted on the wall, saving valuable floor space. Its sleek and compact design seamlessly blends into any outdoor setting without obstructing movement or detracting from aesthetics. Equipped with three distinct heating levels—500W, 1000W, and 1500W. These settings offer flexibility to customize your heating experience precisely according to your needs
- Safe and Reliable：The garage heater is made of high-quality, flame-retardant material. It is durable and rust-resistant and has IP45 water and dust resistance. When overheated, the electric patio heater for outdoor use stops heating automatically, providing the best protection. Ideal for gazebos, patios, outdoor cafes, restaurants, workshops, and any other indoor or outdoor living space
- User-friendly Features：The outdoor heater can be set up according to your needs using the remote control (requiring 2 AAA batteries) or touch screen and is equipped with a 24-hour timer function. You can set automatic shut-off before going to sleep and remain in a comfortable and warm environment all night
Weatherproof Tower Heater
Outdoor Electric Patio Heater, 34-inch 1500W Infrared Tower Heater with Instant Heating, Tip-Over & Overheat Protection, IPX5 Waterproof Space Heater for Patio Garage Workshop Indoor & Outdoor Use
Nfccra
- Instant Cozy Heat – This 34″ 1500W carbon infrared tower heater with dual carbon element heating tubes warms you from head to toe in just 1 second, like natural sunlight. It heats silently without drying the air, produces no CO₂ or smoke, and costs only 1/10 as much to run as propane heaters.
- Durable & Weatherproof – This outdoor patio heaters has an aluminum alloy frame with an IPX5 rating, which withstands rain, humidity, and daily use. Suitable for both indoor spaces like garages, living rooms, and offices, and outdoor areas such as patios, balconies, and decks.
- Safe & UL-Certified – Our outdoor heaters for patio automatically shut off if tipped, moved, or overheated. Comes with a 6.6FT flame-retardant power cord for safe and flexible use. Built with safety as a top priority, giving you reliable warmth you can trust.
- Comfortable Sleep – 3 heat levels (600W/900W/1500W) let you choose the perfect warmth for restful nights. Delivers sun-like heat without drying the air or creating noise, keeping your sleep cozy, quiet, and undisturbed.
- Carry Warmth Anywhere – Ergonomic protruding handle makes it easy to move the garage heater safely and effortlessly, reducing the risk of drops or damage. Place it wherever you need warmth, indoors or outdoors.
- Built to Last, Backed for 3 Years – Every NFCCRA heater is made with strict quality standards and covered by a 3-year warranty. For any quality issues, we guarantee replacement only, no repairs.
Greenhouse Heating Pro
VCJ Outdoor Heaters for Patio, 1500W PTC Portable Greenhouse Heater with Overheat Protection, 3 Heat Modes, 3S Quick Heating Electric Space Heater for Garage, Porch, Home, Office, Grow Tent
VCJ
- [Fast 3-Second Heating for Instant Comfort] Experience rapid warmth with VCJ ceramic space heater—heats up in just 3 seconds using advanced PTC technology. Perfect for small rooms, bedrooms, home offices, greenhouse, or garage, it delivers targeted heat without wasting energy. Choose from High (1500W), Low (750W), or Fan-Only mode to match your comfort needs all season long.
- [UL Listed for Safety & Reliable Home Use] Rest easy knowing this quiet personal heater meets rigorous UL safety standards. Built-in overheat protection and a smart thermostat prevent excessive temperatures, making it a trusted choice for overnight use in dorm rooms, or quiet living spaces—safe, stable, and designed for daily comfort.
- [Lightweight & Versatile for Multi-Zone Heating] Weighing only 3 lbs with a built-in handle and 7 Ft cord, this portable space heater for bedroom and garage moves effortlessly between rooms. Use it in your greenhouse, basement, craft room, or covered patio—anywhere you need reliable, on-demand warmth in enclosed spaces.
- [90° Adjustable Tilt & Auto Temperature Control] Direct cozy warmth exactly where you need it with a 90° tilting heater head—perfect for focused home office heating, bedside comfort, or as a reliable greenhouse heater for delicate plants. The integrated thermostat maintains your ideal temperature automatically, while its compact, stylish, and whisper-quiet design blends seamlessly into modern interiors without disrupting your focus, sleep, or plant care routines.
- [Simple Plug-and-Play Operation] No Setup Required. Just plug in and turn the knob—no apps, no assembly. This easy-to-use outdoor heater is perfect for early-morning plant care in your grow tent, late-night reading, or warming up a chilly workshop. Enjoy fuss-free, consistent heat whenever and wherever you need it.
3D Oscillating Warmth
Dreo Whole Room Heater 714, 60° Vertical & 90° Horizontal 3D Oscillating Heating, 12 ft/s Long-Range Circulator, 3 Heat & 3 Fan Settings, Space Heaters for Indoor Use, Bedroom, Office, Black
Dreo
- 3𝘿 𝙒𝙝𝙤𝙡𝙚-𝙍𝙤𝙤𝙢 𝙃𝙚𝙖𝙩𝙞𝙣𝙜: This heater for bedroom delivers 12ft/s airflow with 60° vertical and 90° horizontal oscillation, ensuring fast, even warmth that keeps every corner cozy.
- 𝙉𝙚𝙭𝙩-𝙇𝙚𝙫𝙚𝙡 𝙃𝙚𝙖𝙩𝙞𝙣𝙜: Powered by 1500W PTC, this portable ceramic heater delivers 2s instant warmth with a 92% boost and 120CFM airflow for quick, even heating throughout any room.
- 𝘼𝙙𝙫𝙖𝙣𝙘𝙚𝙙 𝙎𝙖𝙛𝙚𝙩𝙮 𝘼𝙨𝙨𝙪𝙧𝙚𝙙: With overheat shutoff, tip-over protection, and flame-retardant housing, this ETL-listed room heater brings safe, reliable warmth you can trust daily.
- 𝙃𝙚𝙖𝙩 𝙢𝙤𝙧𝙚, 𝙨𝙖𝙫𝙚 𝙢𝙤𝙧𝙚: With ECO Mode, this heater for office maintains perfect warmth from 41-95°F in 1°F increments, giving you tailored comfort while using less power to cut daily energy costs.
- 𝙁𝙤𝙘𝙪𝙨𝙚𝙙 𝙬𝙖𝙧𝙢𝙩𝙝, 𝙯𝙚𝙧𝙤 𝙣𝙤𝙞𝙨𝙚: With a brushless DC motor and upgraded Bionic Blade design, this desk heater stays whisper-quiet at 34dB, keeping your space cozy without distraction. Simply set the 12H timer and let comfort run on your schedule.
Quiet Garage Heater
Space Heaters for Outdoor Use, 1500W PTC Electric Greenhouse Heater with Overheat Protection, 90°Adjustable Angle, Fast Safety Heat, Small Portable Heaters for Garage, Patio（Black）
POOPLE
- Powerful Garage Heater: 1500W PTC ceramic heater delivers fast warmth in just 3 seconds; effectively heats up to 215 sq ft; ideal as a garage heater, outdoor heater, or greenhouse heater for all-season comfort
- Versatile Heating Modes: Choose from fan only, 750W low heat, or 1500W high heat; electric heater for garage and patio adapts to your needs; supports year-round use from chilly winters to breezy autumns
- Safe and Reliable Protection: Built-in overheat protection with self-resetting thermal cutoff; automatically powers down when temperature is too high; ensures safe operation and extends heater lifespan
- Quiet Indoor Use: Operates under 40 dB for minimal noise; perfect for garage heaters for indoor use, bedrooms, or offices; enjoy warmth while working, reading, relaxing, or sleeping without disturbance
- Portable and Stable Design: Equipped with a 7.5 ft power cord for flexible placement; lightweight handle makes it easy to move; non-slip base keeps this electric outdoor heater steady on patios, porches, or living spaces
Commercial-Grade Outdoor
Dr Infrared Heater DR-238 Carbon Infrared Outdoor Heater for Restaurant, Patio, Backyard, Garage, and Decks, Standard, Black
DR. INFRARED HEATER
- INDOOR and OUTDOOR HEATER – Heater is IP55 approved for both indoor and outdoor use – perfect for home, backyard, garages, open-air restaurant, outdoor patio or deck. Create a comfortable environment for both your indoor activities and outdoor recreation.
- CLEAN and INSTANT HEAT – Clean, instant and odorless Infrared heat with 3 power settings, 900W, 1200W, 1500W. 120V, 60Hz.
- PLUG and GO – uses standard 120V, remote controlled
- WALL and CEILING MOUNTED – Included wall and Ceiling mounting bracket
- EFFICIENT – High level Mirror aluminum reflector with 90% reflectivity, and special design to fit the carbon lamp to bring strong heating efficiency.
- Made with durable and weather proof aluminum
Whisper-Quiet Heating
Dreo Space Heater Large Room, 30″ Electric Heaters with Remote, 120° Oscillation, Adjustable Thermostat, 5 Heat & 3 Fan levels, 8 Safety Protections, 25dB Quiet, 1-12H Timer, Heater for Office, Black
Dreo
- Powerful and Widespread Heating: Experience instant and efficient warmth with Dreo’s 30″ ceramic heater featuring a 308mm large PTC element, upgraded Hyperamics thermal design, and 30°-60°-90°-120° customizable oscillation, perfect for large rooms up to 300 ft². For optimal performance, please ensure a stable voltage environment in your home.
- All-around Safety: Stay warm this winter with peace of mind. Our heaters for indoor use offers 8 comprehensive protections, including V0 flame-retardant material, cool-touch housing, FortPlug, thermal insulated wiring, child lock, 45° tip-over protection and overheat protection, all certified by ETL.
- Heat the Way You Like: This electric space heater offers 9 comfort levels to suit your needs. Choose from 5 heat levels and ECO mode for optimal warmth, or switch to 3 fan levels to create air circulation.
- Precise Temperature Control: Powered by advanced controllable silicon technology, this energy-efficient space heater provides precise temperature control and up to 50% energy savings, bringing you all-day comfort without worrying about your electricity bills.
- 25 dB Extreme Quietness: Enjoy a warm, comfortable environment without disturbance. DREO’s innovative airflow design reduces noise to an ultra-quiet 25 dB, making this heater for bedroom ideal for a peaceful night’s sleep or a quiet, focused workspace.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
What should I look for in a space heater for a 3-season porch?
Look for a heater with adequate power (1,500W is standard) and weather-resistant features like an IP rating for outdoor use. Consider whether you need a portable model or one that can be mounted to save space.
How do electric and propane space heaters compare for a porch?
Electric heaters are easier to install and safer for enclosed spaces, while propane heaters offer more heat output but require ventilation. Electric models are better for smaller porches, while propane works well for larger, open areas.
Are infrared heaters a good choice for a 3-season porch?
Yes, infrared heaters are efficient because they heat objects and people directly rather than the air. They work well in drafty or semi-open spaces like porches.
What safety features should I prioritize?
Look for tip-over protection, overheat shut-off, and cool-touch exteriors to prevent accidents. If using propane, ensure the heater has an oxygen depletion sensor (ODS) for safety.
How do I determine the right size heater for my porch?
Measure the square footage of your porch and choose a heater rated for that area. For larger porches, consider multiple smaller heaters or a high-output model.
Are wall-mounted or freestanding heaters better for a porch?
Wall-mounted heaters save floor space and provide consistent heat, while freestanding models offer flexibility to move heat where needed. Choose based on your porch layout and heating needs.
What’s the most energy-efficient option for a porch heater?
Infrared and ceramic heaters are typically more energy-efficient as they provide targeted heat. Look for models with adjustable thermostats to avoid wasting energy.
Do I need a weatherproof heater for a 3-season porch?
Yes, since 3-season porches are exposed to varying temperatures and humidity, a weatherproof or covered heater ensures durability. Check for IP ratings or outdoor certifications.