Best Heater Types for a Warm Conservatory

A conservatory can be a beautiful space, but it often turns chilly in winter. Finding the right heater can transform it into a cozy retreat.

This guide explores the best types of heaters for conservatories, helping you choose the right one to combat the cold effectively and economically.

Heater Feature Comparison

Product	Best for	Wattage	Heat Settings	Portability	Safety Features	Price
DR. INFRARED HEATER DR218-3000W Infrared Heater	Best Overall	3000W	High and low	Lightweight and portable	IPX4 water resistance	Check price
Ontel Handy Heater Copper Core 1500W Space Heater	Best Compact	1500W	Thermostat, timer	Compact, wall outlet plug-in	Auto shut-off, stay-cool housing	Check price
Heat Storm HS-1000-WX-WIFI Infrared Wi-Fi Heater	Best Wall-Mounted	1000W	Adjustable thermostat	Wall mount	Safe touch grill, tip-over auto shut-off	Check price
R.W.FLAME Electric Fireplace Heater 17″	Best Decorative	—	Remote control	Portable	—	Check price
R.W.FLAME Electric Fireplace Heater 25″ Cathedral Style	Best Style	—	Adjustable heat modes	Portable	Overheating safe design	Check price

Top Heater Picks for Your Conservatory

1

Best Overall

DR. INFRARED HEATER DR218-3000W Infrared Heater

Best for: Heating large conservatories and plant protection

• Wattage3000W
• Power source typeCorded Electric
• Protection ratingIPX4
• PortabilityLightweight and portable

Check price on Amazon

The DR. INFRARED HEATER DR218-3000W offers powerful 3000-watt infrared heating with high and low settings for flexible warmth. Its IPX4 water-resistant design suits conservatories where some moisture is present. The heater’s lightweight and portable build makes it easy to move where heat is needed, and the enclosed element requires little maintenance, ideal for plant care and human comfort.

Pros

• High 3000W power with adjustable settings
• Water-resistant IPX4 structure for damp environments
• Low maintenance enclosed heating element
• Lightweight and portable design

Cons

• Requires a corded electric power source
• May be overpowered for very small conservatories

Skip it if: Skip if you need a heater with a more decorative look or built-in thermostat.

2

Best Compact

Ontel Handy Heater Copper Core 1500W Space Heater

Best for: Small conservatories or supplemental heating

• Wattage1500W
• Heating controlThermostat 60-90°F, 12-hour timer
• Safety featuresAuto shut-off, stay-cool housing
• PortabilityWall outlet plug-in, compact

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This 1500-watt ceramic heater plugs directly into a wall outlet for quick warmth in smaller spaces. It features a thermostat adjustable from 60 to 90 degrees F and a 12-hour timer for precise control. The ceramic core maintains moisture, reducing dryness common with heaters. Its compact size and quiet operation make it suitable for use in cozy conservatories where space is limited.

Pros

• Adjustable thermostat and programmable timer
• Ceramic technology preserves room humidity
• Compact, wall outlet plug-in design
• Quiet operation

Cons

• Lower wattage may not heat large conservatories
• No IP or water resistance rating

Skip it if: Skip if you need higher wattage or water resistance for humid spaces.

3

Best Wall-Mounted

Heat Storm HS-1000-WX-WIFI Infrared Wi-Fi Heater

Best for: Conservatories with limited floor space

• Wattage1000W
• Heating typeInfrared
• Safety featuresSafe touch grill, tip-over auto shut-off
• PortabilityWall mount

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The Heat Storm HS-1000-WX-WIFI is a 1000-watt infrared heater designed for wall mounting, saving floor space in tight conservatories. It heats objects directly, helping rooms stay warm even after it turns off. Its cool-touch grill and tip-over auto shut-off add safety. The LED thermostat and remote control enable easy temperature adjustments, and Wi-Fi connectivity offers smart control.

Pros

• Wall mount saves floor space
• Infrared heating warms objects efficiently
• Safe touch grill and tip-over protection
• Adjustable thermostat with remote and Wi-Fi control

Cons

• Only 1000 watts may be insufficient for large conservatories
• Requires installation on wall

Skip it if: Skip if you want a portable heater or higher wattage.

4

Best Decorative

R.W.FLAME Electric Fireplace Heater 17″

Best for: Adding ambiance and warmth to conservatories

• Size17 inches
• MaterialMetal
• ControlsRemote control

Check price on Amazon

This 17-inch electric fireplace heater offers both heat and visual appeal with a realistic flame effect controlled by remote. It provides supplemental warmth and enhances the atmosphere of a conservatory with a classic fireplace look. Its metal construction ensures durability for indoor use.

Pros

• Realistic flame effect with remote control
• Compact size fits small spaces
• Durable metal build

Cons

• Heat output details not specified
• No adjustable thermostat or timer

Skip it if: Skip if you prioritize heat output and control over decoration.

5

Best Style

R.W.FLAME Electric Fireplace Heater 25″ Cathedral Style

Best for: Larger conservatories needing style and adjustable heat

• Size25 inches
• SafetyOverheating safe design
• ControlsRemote control

Check price on Amazon

The 25-inch R.W.FLAME Cathedral style electric fireplace heater combines adjustable heat modes with customizable flame and log colors. It has an overheating safe design and remote control for convenient use. This model suits conservatories where style and ambiance are as important as heating.

Pros

• Adjustable heat and flame settings
• Overheating safe design
• Remote control convenience
• Larger size for bigger rooms

Cons

• Heat output wattage not specified
• Requires space for larger unit

Skip it if: Skip if you want a compact or purely functional heater.

How to Choose the Right Heater for Your Conservatory

Start by measuring your conservatory’s size and checking its insulation. Larger spaces or poorly insulated rooms need more powerful heaters. A 150-square-foot area typically requires about 1,500 watts for comfortable warmth.

For a student’s study room, choose a heater that warms up quickly and stays quiet. Ceramic or infrared heaters work well here. They provide fast heat without noise, helping maintain focus.

If you want to warm an area fast, look for heaters with high wattage and fan-assisted heat. Models like the Ontel Handy Heater Copper Core 1500W provide quick warmth. Avoid oil-filled radiators in this case; they take longer to heat up.

For rooms that stay cold, especially in winter, infrared heaters are effective. They heat objects and people directly, not just the air. The DR. INFRARED HEATER DR218-3000W uses this method and is portable enough to move where it’s needed most.

1. Step 1: Measure Your Conservatory
   Calculate the square footage by multiplying length by width. This number guides your wattage choice.
2. Step 2: Check Insulation
   Assess windows, door seals, and wall insulation. Poor insulation means you need a more powerful heater or additional insulation work.
3. Step 3: Match Heater Wattage to Space
   Use about 10 watts per square foot for a well-insulated conservatory, more if insulation is poor.
4. Step 4: Decide on Portability
   Choose a heater with wheels or a handle if you want to move it between rooms or adjust its position easily.

Understanding Heat Output and Running Costs

Calculate running costs by multiplying your heater’s wattage by the hours used and the electricity rate. For example, a 1,500-watt heater running 8 hours a day at 17 cents per kWh costs 1.5 × 8 × 0.17 = $2.04 daily.

Efficiency matters because some heaters convert electricity to heat better than others. Infrared heaters warm objects directly, reducing wasted energy. Fan heaters warm air, which can escape quickly in drafty conservatories.

Heaters that vent in a hallway usually provide limited warmth to adjacent rooms. Heat loss through doorways and open spaces reduces their effectiveness. It’s better to heat the conservatory directly or use a portable heater inside it.

Use this heater checklist before buying: wattage rating, heat type (infrared, ceramic, oil-filled), safety features, portability, and energy efficiency. These factors affect both comfort and cost.

Infrared heaters like the DR. INFRARED HEATER DR218-3000W operate efficiently and can reduce electricity use by targeting heat where you need it. Electric fireplaces, such as the R.W.FLAME models, combine warmth with ambiance but may cost more to run depending on settings.

Remember, a heater with a higher wattage rating will use more electricity but can heat a space faster. Balance your need for quick warmth with your budget for running costs to pick the right model.

For a detailed guide on heater types and their costs, see our page on best heaters for a warm cozy conservatory.

Safety Considerations for Conservatory Heaters

Choose a heater with built-in safety features like tip-over protection and overheat shut-off to reduce fire risk. Look for UL, ETL, or CSA certification to ensure the model meets US safety standards. Electric heaters with these certifications have passed tests for safe operation.

Halogen heaters warm objects and people directly rather than heating the air, so they feel warm quickly but do not raise room temperature much. They use electricity and are not a no-electricity option. If you want a heater that needs no electricity, consider a propane or kerosene model designed for indoor use with proper ventilation and a carbon monoxide alarm.

Place electric heaters at least 3 feet away from curtains, furniture, and anything flammable. Never plug a space heater into an extension cord or power strip; always use a dedicated wall outlet. Avoid running heaters unattended or while sleeping unless the manufacturer states the model is safe for that use.

Regularly check cords and plugs for damage. Do not use heaters with frayed cords. Keep the heater on a stable surface to prevent tipping. Avoid blocking the heater’s air intake or outlet to maintain safe and efficient operation.

Maximizing Efficiency: Preparing Your Conservatory

Seal drafts around windows and doors with weatherstripping or caulk to keep warm air inside. Thermal curtains add insulation by trapping air between the fabric and the glass, slowing heat loss through windows.

Place heaters where they can distribute heat evenly and avoid obstacles that block airflow. Positioning a heater near a seating area or where you spend most time maximizes comfort and reduces wasted energy.

You can warm a brick or tile placed in front of a radiant heater; the brick will absorb heat and radiate it slowly, extending warmth after the heater is off. For tiled floors warmed by a gas heater, radiant floor heating or a gas-powered radiant panel aimed at the floor is more effective than a space heater.

In kitchens, use a compact electric convection or ceramic heater that heats air quickly without taking up counter space. These models handle moisture better than some others and provide steady warmth during cooking or meal prep.

Additional measures to retain heat include adding rugs over tile or stone floors and closing interior doors to keep warmth contained. Reflective panels behind heaters can direct more heat into the room instead of the wall.

Frequently Asked Questions