Sunroom Comparison Chart

We have complied a comparison chart for 3 & 4 season sunrooms, in hopes that it will provide clarity on the differences for each sunroom type and make your decison easier on what sunroom works best for you.
4 season sunroom

4 Season Sunroom

All Year Round Use
95% of sunrooms built are 4 season.

R-30 Insulation

  • Thermally Improved High Strength Aluminum Structure
  • Insulated Vinyl Windows & Posts
  • Unique Contoured Exterior Design
  • Non-directional – Slide Either Direction
  • SeaClear Full Screen – Pops out (easy cleaning/max air flow)
  • Double-pane Glass – Argon Gas Filled
  • Low-e Coating – Reduces approx.75% Ultraviolet Light
  • Reduces Flooring & Fabric Sun Damage
  • Tempered Safety Glass
  • Ultra Warm Edge Spacer
  • Energy StarTM Rated Windows
  • Smart-ER Foam Filled Frames
  • Sashes Lift Out for Cleaning or Full Screen
  • Added Strength & Insulation
  • R-26 or R-40 (optional R-13)
  • Styles – Gable/A-Frame or Studio/Slanted
  • Up to an 8/12 pitch (3/12 min for shingles)
Heating/Cooling/Heat Pump Unit or Any Option
  • Labor (approx equal to 3-Season)
  • Materials about 15% More
  • Optional Heating & Cooling Equipment (Recommended)
3 season sunroom

3 Season Sunroom

Use is normally limited to March-November.  Depends on room facing direction for sun and portable heating device output.

5% of sunrooms built are 3 season.

Uninsulated or R-30 (Recommended)

  • Aluminum Structure
  • Aluminum Sashes & Frames
  • Directional – Left Only or Right Only
  • Half Screen – Slides
  • Single-pane Glass – No Gas
  • No low-e Coating for Ultraviolet Light
  • Use Flooring & Fabrics Designed for Full Sun
  • Tempered Safety Glass

Other Options in the 3-Season Marketplace:

  • Four Track or Sliding Plastic Windows
  • Double-Pane Glass (aluminum sash/frame)
  • R-13 (optional R-26 or R-40)
  • Styles – Gable/A-Frame or Studio/Slanted
  • Up to an 8/12 pitch (3/12 min for shingles)
Portable Space Heaters
  • Labor (approx. equal to 4-Season)
  • Materials about 15% Less
  • Optional Portable Space Heater