Whether you added a sunroom to your home or it was already there when you moved in, you know how enjoyable they can be. A sunroom allows you to relax and soak up natural light without dealing with bugs or unpredictable weather. However, the downside is that while sunrooms are perfect for basking in the sunlight, they often suffer from temperature extremes—too hot in the summer and too cold in the winter. Finding that “just right” feeling can be challenging, but with a few adjustments, you can enjoy your sunroom comfortably while staying energy efficient.

Focus on the Windows

Your sunroom’s windows are its most prominent feature. They let in all that sunshine but can also be the biggest culprits in energy loss. You’ll want to make sure your windows work for you, not against you.

1. Double-Glazed Windows

Single-pane windows? Oh no. It’s worth it to upgrade. Installing double-glazed windows can make a world of difference. These windows have two panes of glass with a layer of gas in between, acting as a thermal barrier. This means your sunroom stays warmer in the winter and cooler in the summer.

2. Low-E Coatings

Ever heard of Low-E (low-emissivity) coatings? This invisible layer reflects heat back into your sunroom during winter and keeps it out during summer. Think of it as sunglasses for your windows, but way more functional.

3. Weatherstripping

A small draft can turn your sunroom into a wind tunnel. Weatherstripping is an easy, cost-effective solution to seal gaps around your windows and doors.

Insulating Your Sunroom

Once your windows are up to par, then you’ll want to think about the insulation. Here are some tips to get you started.

1. Insulated Walls

If your sunroom has traditional walls (even partially), ensure they’re well-insulated. Fiberglass batt insulation is a common choice, but foam board insulation can be more effective in reducing heat transfer.

2. Floor Insulation

Don’t forget the floor—a lot of heat can escape through an uninsulated floor. If your sunroom is built on a concrete slab, consider adding a layer of rigid foam insulation underneath your flooring.

3. Roof Insulation

The roof of your sunroom can be a significant source of heat gain or loss. If possible, add insulation to the roof or ceiling. Spray foam insulation is a great option because it can fill even the smallest gaps, providing great thermal resistance.

Energy Efficiency Hacks: Small Changes, Big Impact

These simple tips and tricks can help you save on energy bills and make your sunroom a more liveable space.

1. Window Treatments

Curtains, blinds, and shades aren’t just for decoration—they can be your best friends in regulating temperature. During the summer, close them during the hottest part of the day to block out heat. In the winter, open them up to let the sun’s natural warmth in.

2. Ceiling Fans

Ceiling fans are a great addition. Pro tip: In the summer, set the fan to rotate counterclockwise to create a cooling breeze. In the winter, reverse the direction clockwise to push warm air down from the ceiling.

3. Space Heaters and Portable Air Conditioners

Having a space heater or portable air conditioner on hand can be a lifesaver for those extra chilly or scorching days. Look for energy-efficient models to keep your utility bills in check.

4. Seal Gaps and Cracks

Gaps and cracks in your sunroom’s structure can be sneaky energy wasters. Seal them up with caulk or weatherstripping to keep your climate control efforts from going to waste.

Greenery and Decor

You might be surprised to find out that decor can improve this space’s comfort and add to your energy-saving efforts.

1. Indoor Plants

Plants aren’t just for aesthetics—they can also help regulate humidity and improve air quality. Choose varieties that thrive in your sunroom’s conditions, like palms, snake plants, ZZ plants, and pothos.

2. Rugs and Carpets

Adding a cozy rug or carpet to your sunroom can help insulate the floor and make the space feel warmer, especially if you have hard or unfinished flooring.

3. Reflective Decor

Strategically placed mirrors and reflective surfaces can help distribute natural light throughout the room, reducing the need for additional lighting. Plus, it glams up the space!