How to Keep Your Deck Warm In Winter?
Many people enjoy outdoor activities during the warm spring and summer months. But as winter approaches and temperatures drop, they often retreat indoors. However, winter doesn’t mean you can’t enjoy time on your deck. Decks typically remain sunny, offering opportunities to soak up natural light. With the right approach, you can maintain a comfortable outdoor space year-round.
This guide explores effective ways to keep your deck cozy. We reference expert heating solutions, design renovation suggestions, and practical tips. We’ll cover active heating methods alongside supplementary advice for boosting comfort.
Table of Contents
Add a Deck Heater
Indoors, we heat the indoor air through the furnace to further increase the indoor temperature. On an outdoor deck, on the other hand, we can’t raise the temperature by heating the air, so we need to change the way we heat it.
A deck heater can raise the temperature of an area by directional heating. For example, the heater blows hot air directly at you. Or by heating your skin and objects around the deck with infrared rays.
Commonly used deck heaters are usually categorized into stationary deck heaters and removable deck heaters. Let’s take a look at these different types of deck heaters next.
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Fixed Deck Heaters
The difference between this type of heater and other deck space heaters is that they need to be designed and installed as part of the deck structure. This is true even during the hot summer months when they are fixed to the deck at all times.
Stationary deck heaters need to be securely on the deck all winter long without compromising the aesthetics of the outdoor deck in the summer. Fixed deck heaters will provide a higher level of comfort at a lower cost than other heaters.
Portable Deck Heaters
In addition to fixed deck heaters, we can also use portable deck heaters. These heaters allow you to remove them when you need to heat your deck and can be stored away during the summer months. This allows you to have more usable space on your deck during the warmer months. If you don’t use your outdoor deck often during the winter months, a portable heater is a good option.
As portable outdoor heaters, they typically use propane or electric fuel. Electric portable heaters need to be used close to an electrical outlet. It is important to note that extension cords and splitters should not be used with the heaters, as they can easily create a fire hazard. If you plan to use an electric heater, you will need to install an additional outlet on your outdoor deck.
Different Types of Deck Heaters
Choosing a heater depends on fuel availability, local costs, and usage frequency. Here’s a comparison based on expert buying guides:
| Fuel Type | Pros | Cons | Efficiency | Approximate Cost (Initial/Operating) | Best For |
|---|---|---|---|---|---|
| Electric | Easy installation, up to 90-93% efficient, no emissions, quiet operation | Slower warm-up, limited to 5,100-13,700 BTU (1,500-4,000W), higher electricity bills in cold climates | High (infrared models heat directly) | $100-500 initial; $0.20-0.50/hour | Covered decks near outlets; eco-conscious users |
| Propane | Portable, quick heat, 38,000-48,000 BTU output | Refills needed, higher fuel cost ($3-5/gallon), emissions | Moderate (80-90%) | $150-400 initial; $1-3/hour | Uncovered areas, frequent short use |
| Natural Gas | Cheapest to run long-term, high output (up to 46,000 BTU) | Professional install required ($200-500+), fixed location | High (90%+) | $300-800 initial; $0.50-1/hour | Regular, extended winter use |
| Wood Pellet | Eco-friendly, cozy ambiance | Fuel storage needed, slower start | Variable (70-85%) | $200-600 initial; low fuel cost | Rustic settings with storage space |
Data drawn from patio heater buying guides and efficiency ratings. Electric heaters are often the most energy-efficient for small spaces, converting nearly all input to heat. And gas options provide more power for larger areas.
Installation of Different Deck Heaters
Installation varies by type—consider your deck’s structure, size (e.g., aim for 20-50 BTU per sq ft), and safety. Always follow manufacturer guidelines and local codes. In addition, consult a professional for gas lines.
Ceiling Heaters
Ideal for covered decks or gazebos, these hang from beams and heat larger areas (up to 160 sq ft). Infrared models like those from Bromic are efficient, with parabolic reflectors directing heat downward.
- Installation: Secure to joists with brackets. Ensure 7-11 ft clearance below.
- Safety tip: Keep 3 ft from combustibles.
Wall-Mounted Heaters
Mounted 6-8 ft high on house or deck walls, these provide unobstructed sun while heating a 10-15 ft radius. Electric versions are simplest to install (plug-in or hardwire). Installation steps:
- Mark mounting height
- Drill into studs
- Attach the bracket and heater
- Connect power/gas safely
Floor Standing Heater
Pyramid or mushroom-shaped (6-8 ft tall), these center on decks for conversational warmth (15-20 ft diameter). Propane models like AZ Patio Heaters offer 48,000 BTU with wheels for mobility. Safety: Use on level surfaces; built-in anti-tip sensors are standard.
Deck Fire Pits
Fire pits add ambiance and heat (up to 50,000 BTU), perfect for barbecues. Propane/gas versions are safer than wood (no embers). Place on fireproof mats, and ensure 10 ft clearance from structures. We recommend models with spark screens.
Outdoor Electric Fireplaces
An outdoor electric fireplace is usually hung on a wall or mantel and provides warmth through electricity. It’s safer than a wood fireplace, with no sparks or open flames to burn your deck. Electric fireplaces typically emit 4,600 BTUs of heat and can heat indoor rooms from 400 to 1,000 square feet. It is important to note that wind and skies can limit their effectiveness.
Portable Heaters
Compact and directional, these heat people directly (up to 5,100 BTU). Position 3-5 ft away, and ideal for small groups. However, due to its small size, it must be pointed directly at you when you use it. Place it securely around the deck to provide warmth as needed.
Suspended Deck Lights
You can install a suspended deck light on the ceiling. The lampshade provides aesthetic appeal while providing heat for those below. Electric heat is the safest, but suspended heaters can also be used with propane or paraffin. Make sure hanging deck lights are hung in a safe location with the necessary clearance (3 ft min). As with any heat source, it needs to be watched from time to time to avoid overheating.
Safety Tips for All Heaters: Keep 3 ft from flammables, never indoors, turn off when unattended. And check for CO detectors with gas models.
Changing the Way Decks Are Designed
Heaters are not the only way to heat a deck. There are many ways to heat your outdoor deck without a heater. You build your deck by collecting or reflecting heat and using natural sunlight to heat your outdoor living space.
It’s important to note that passive heating is not an effective way to heat your deck and relies heavily on natural sunlight. If it’s a cloudy day, it’s best to use a deck heater. Of course, you can use a variety of deck heating methods together, which can better allow you to enjoy your deck in the winter.
Deck Wind Walls
Cold winter winds blowing across your deck can be chilling. A properly positioned windbreak wall can protect your deck from the cold wind and improve the comfort of your deck. Windbreaks do not warm the deck, but they can increase the comfort and warmth of an outdoor deck by blocking the cold wind.
Enclosing the Deck
You can enclose the roof and walls of your deck with glass. This will not only allow you to comfortably enjoy the sun and the view, but it will also effectively block cold winds. With the sun shining through the glass, your outdoor deck can be heated to the same temperature as your house. Allowing you to enjoy the outdoors to the fullest.
Controlled temperatures can even turn your outdoor deck into a greenhouse for year-round gardening fun. If you build a solarium on your deck and add a deck heater, the options are endless.
Other ways to keep your deck warm
Constructing a Hot Tub
In the winter, how will you use your deck? A hot tub is the only suitable solution. Hot tubs provide immersive warmth (up to 104°F water), making decks inviting in sub-zero temps. Because of the boiling water, your deck will be one of your favorite spots to go in the winter, regardless of how cold it is outside. Ensure deck supports 100-150 lbs/sq ft load, consult codes.
Choose a Dark-colored Deck
Dark composite decks heat up quickly in the sun. Raising the deck temperature allows people to walk barefoot in the middle of the day, even on cold winter days.
Pair a warm blanket with a hot drink
If the outdoor deck is cold, outdoor rugs and blankets will warm your feet while sitting on the deck. Enjoy the sunshine while keeping your feet safe from the cold deck. Then make yourself a hot cup of coffee that will keep you cozy. It’s a quick and easy way to stay warm in milder weather.
Conclusion
All of these ideas for heating your deck may be useful, but it’s best to use a combination of several ideas for better results. Active heat control, passive deck protection, and a sensible furniture arrangement will keep you warm. Always prioritize safety and consult pros for installations. With these enhancements, your deck can be a year-round retreat.
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