Best Patio Heaters — 1.8kW (2026)
1 patio heaters matching power “1.8kW”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Patio Heater UK (2026) guide.

#1 Pick
Devola Platinum Electric Patio Heater Wall Mounted 1800W, IP65 Rated with Carbon Fibre Elements- 1.8kW
Currently unavailable
Pros
- IP65 rated waterproof for year-round outdoor use
- Carbon fibre elements with 3 heat settings (600W/1200W/1800W)
- Remote control and built-in timer
Cons
- Needs a nearby outdoor power socket
- Wall fixing required
Looking for a powerful heat source to extend your outdoor entertaining? Our selection of 1.8kW patio heaters are designed to create a warm and inviting space on colder evenings. This wattage delivers significant warmth, ideal for patios and decks where you need to quickly raise the ambient temperature. These heaters provide robust heating performance, perfect for creating a comfortable zone during garden parties or simply relaxing with family and friends.
These 1.8kW models are frequently chosen for their ability to heat larger areas relatively rapidly. They're typically fuelled by propane or butane gas, offering efficient and controllable warmth when connected to an external gas supply. Consider the size of your patio area and desired heating output carefully before making a purchase – checking compatibility with your existing gas regulator is essential.
Many of our featured 1.8kW patio heaters include adjustable flame heights for fine-tuning heat levels, alongside safety features like overheat protection. Browse our curated range to discover models suitable for various patios and outdoor settings; remember to always follow the manufacturer’s instructions for safe operation and installation.
FAQ
What gas type is compatible with 1.8kW patio heaters?
Most 1.8kW patio heaters use propane or butane gas cylinders. Ensure the cylinder you purchase matches the heater's compatibility requirements, as using an incorrect gas can be dangerous and damage the appliance.
How long will a full gas cylinder typically last on an 1.8kW heater?
The duration depends heavily on weather conditions and usage; however, a full 9kg propane cylinder often provides approximately 40-60 hours of continuous heating at 1.8kW, though this is a rough estimate.
What safety features should I look for in an 1.8kW patio heater?
Prioritize heaters with overheat protection and stable bases to prevent tipping. Many also include flame failure devices that automatically shut off the gas supply if the unit is knocked over, enhancing safety significantly.
Can I move an 1.8kW patio heater once it’s set up?
While some models are designed for portability, consider the weight and stability of the heater before moving it. Securely anchoring heavier units is highly recommended to prevent accidents.
How do I connect an 1.8kW patio heater to my gas supply?
Always consult the manufacturer's instructions carefully when connecting your heater to a gas cylinder. Ensure you use appropriate fittings and maintain a leak-free connection – check regularly with a soapy water solution.
What is the typical lifespan of an 1.8kW patio heater?
With proper maintenance and usage, many 1.8kW patio heaters can last for several years (5-10). Regular cleaning and inspection are key to extending their operational life and ensuring continued safety.
Are there any specific regulations I need to be aware of when using propane patio heaters?
Check your local regulations regarding the use of outdoor gas appliances. Many areas have restrictions on where you can operate these heaters, particularly concerning proximity to buildings or flammable materials.
How does the 1.8kW power rating affect the heater's performance?
A higher wattage (1.8kW) indicates a faster heating rate and greater heat output compared to lower-powered models. This is useful for quickly warming larger patio areas or providing significant warmth on cooler days.
What maintenance should I perform on my 1.8kW patio heater?
Regularly clean the burner ports with a brush to prevent blockages and ensure efficient gas flow. Also, inspect the cylinder connection for leaks periodically as per the manufacturer’s guidance.
Can I use an 1.8kW patio heater in wet weather?
While some heaters are designed for outdoor use, prolonged exposure to rain or damp conditions can damage components. Always follow the manufacturer's instructions regarding weatherproof ratings and consider using a protective cover when not in use.