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Four Season & All Season Rooms

Four Season & All Season Rooms

Bring the beauty of the outside into your sunroom year-round. Patio Enclosures® four season rooms let you enjoy your room all day, every day, no matter the weather outside. Our four season rooms, also referred to as all season rooms, include added security features, sleek door handles and advanced weatherlock with interlock sashes. The thermal breaks and double-pane, insulated glass also allow you to heat and cool your room year-round.

Learn more about the features and benefits of our four season vinyl and four season aluminum rooms below.

Three Season Room Helpful Information

What is a Four Season Room?

A four season room is a sunroom home addition enclosed with glass. This room is engineered and insulated to be heated and cooled year-round so you and your family can enjoy the room comfortably every day of the year regardless of your climate.

Learn more about the features and benefits of our four season vinyl and four season aluminum rooms below.

What is the Difference Between an All Season and Four Season Room?

All season and four season rooms are the same! Depending on where you live, they may be more commonly referred to as one or the other. All season and four season rooms typically have floor-to-ceiling windows and doors on three walls to provide you with an unobstructed view of the outdoors.

Learn more about All Season vs. Four Season Rooms or visit our Four Season Rooms Photo Gallery.

10 Sunroom Features You Should Know

Before you decide on a sunroom, it’s important to understand the features and options that are available to you. Learn 10 important sunroom features to help you decide which room is right for you and your home. Learn more.

Tips and Ideas from Our Blog

Pricing & Cost Factors

At Patio Enclosures, we are committed to helping you achieve your home improvement goals. We understand that adding a sunroom addition to your home can be a big expense. That’s why we work with you to custom design a sunroom that fits your needs and your budget. Each sunroom is custom designed, making the cost of each project vary, which is why you won’t find Sunroom Addition Cost listed on our website.  

For more information about our financing options, visit our Specials & Financing page.

Warranty Information

We offer a Limited Lifetime Warranty on every one of our custom-made enclosures. It covers all manufacturers’ products, including glass, roof panels, framing, seals and more. Patio Enclosures takes every step to ensure your sunroom will perform for a lifetime. 

Features & Benefits

Four Season Aluminum Sunrooms

Patio Enclosures four season aluminum rooms are designed to be heated and cooled, so you can use your sunroom year-round. Unlike others, our aluminum extrusions provide the highest resistance to scratching, fading, peeling and chipping in the industry. Your Patio Enclosures sunroom will hold its color and new look.

Four Season Vinyl Sunrooms

Celebrate vinyl with our reinforced vinyl sunroom – a perfect room addition for your vinyl-sided home. The vinyl doors and exterior finishes of this room are virtually maintenance free. Vinyl is easy to clean, and is less likely to show wear such as scratches or dents, keeping its new look. Plus, our vinyl doors feature factory-welded corners, which are structurally stronger than other types of corner assemblies, providing you a room that will last a lifetime.

Frame Options

Master Frame

4 1/4-inch thermally engineered aluminum frame (Aluminum only)

  • Allows for year-round heating and cooling due to its thermally broken frame
  • Provides structural integrity meeting and exceeding local and national building codes
Sunroom Master Frame

4 15/16-inch structurally reinforced vinyl frame with 4-point welded corners (Vinyl only)

  • Allows for year-round heating and cooling due to its thermally broken frame
  • Independent aluminum support frame is inserted inside the vinyl for maximum structural integrity
Four Season Sunroom Master Frame

Frame Colors


Internal electrical raceway

  • Allows easy access to wire your screen room for comfort and versatility
  • Subject to local building codes
Sunroom - Internal electrical raceway

Roof Options

Roof Types

Single Slope

  • Consists of one roof section sloping in one direction
  • Also known as a shed roof
four-season-sunroom single slope roof


  • Consists of two roof sections sloping in opposite directions from a center ridge beam
  • Also known as a peaked or pitched roof
four-season-sunroom gable roof

Under Existing

  • Due to the custom nature of our products we can utilize your existing porch or patio roof and build our rooms underneath
four-season-sunroom roof under existing roof

Roof Materials

6-inch insulated panels with structural I-beams and thermal barriers

  • Provides maximum insulation to keep you comfortable
  • I-beams provide maximum strength and stability for your roof
  • Allows you to construct a larger room
  • Can be shingled for a seamless look
four-season- sunroom 6 inch insulated panels

Custom wood roof

  • Accents and complements your home
sunroom custom wood roof

Patented glass roof panels (optional)

  • Allows for maximum natural light to brighten your space
  • Removable screens allow you to control the amount of incoming light
  • Flush with roof to prevent snow and ice buildup
sunroom glass roof panels

Glass Options

Glass Types

Double-pane insulated glass

  • Improves heating and cooling performance better than single-pane glass
  • Blocks UV rays 44% more effectively than ordinary glass (more if you add a glass tint)
sunroom double pane insulated glass

Comfort-Gard® Plus High-Performance Glass soft-coat Low-E and argon gas (optional)

  • Most advanced glass available to maximize heating and cooling return
  • Keeps you warmer in winter
  • Reduces cooling costs by as much as 25% in summer
  • Saves your fabric by blocking UV rays 90% more effectively than ordinary glass (more if you add a glass tint)
Sunroom Comfort-Gard® Plus High Performance Glass

Glass Tints


  • Provides your home with shading and UV protection while reducing solar heat gain adding to your comfort
sunroom bronze glass tint

Windows & Doors


7/8-inch-thick, butt-joined, extruded aluminum frame (Aluminum only)

  • Extruded aluminum frame provides maximum durability
  • Butt-joint keeps screen square
Extruded aluminum screen frame

3/4-inch beveled, extruded aluminum frame with patented corner keys (Vinyl only)

  • Patented corner keys keep the screen strong and secure even after years of use
  • Extruded aluminum won’t bend
  • Rounded and beveled for an attractive look
Extruded aluminum screen frame

Screen Mesh

  • "Invisible" black-painted aluminum screening provides visibility without glare
  • Offers superior strength, stays cleaner and resists sagging better than traditional fiberglass
Sunroom Screen Mesh

Door & Window Rolling System

Monorail with ball-bearing wheels in nylon tires (Aluminum only)

  • Originally designed for European commuter train doors
  • Polymer-composite tires won’t wear out the track
four sunroom door and window rolling system aluminum

Monorail with ball-bearing wheels in nylon tires (Vinyl only)

  • Tires won’t flatten out under weight of the door and won’t crack in cold weather
  • Ball-bearing wheels in nylon tires will never wear out the tracks in your room, providing easy operation of your doors and windows for the life of your room
four sunroom door and window rolling system

Door Handles

Color-matched Euro style

  • Easy grip, low profile handle matches frame color
  • Handle engages and disengages locking system with a simple turn
sunroom euro style handles

Locking System

Dual-point throw-bolt locking system with night latch

  • Top and bottom throw-bolts provide added security for you and your family
  • Eliminates the need for dead bolts
  • Provides a secure way to ventilate your room while keeping children and pets safe
Sunroom dual-point throw-bolt locking system with night latch


Advanced Weatherlock with interlock sash

  • Provides additional protection from the elements with interlocking sashes
Sunroom weatherlock advanced with interlock sash

Weather Stripping

Triple polypropylene with fin seal

  • Offers superior draft and weather resistance, adding to your comfort
  • Keeps debris and bugs out
  • Fin seal provides additional water infiltration protection
sunroom weather strip triple polypropylene

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Briefly Describe Your Project Patio Enclosures Four Season Rooms Four Season Rooms A Patio Enclosures® four-season room is a sunroom home addition that is enclosed with insulated glass and screens, perfect for enjoying the outdoors year-round without the worry of insects or weather, regardless of your climate. Patio Enclosures four-season rooms are custom made to meet your needs and engineered to be heated and cooled all year long. Learn more.

Sunroom Buying Resource Center

Sunroom Buying & Planning Tips

Our sunroom buying resource center provides helpful, educational information to ensure your buying and planning process goes smoothly.

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