Sunroom Additions Lancaster PA

hours Office & Showroom Hours:
Monday-Friday: 8am-5pm
Evenings by appointment
Saturday: 8am-1pm
Sunday: Closed
phoneCall Us!
717-399-4708
Seaway Sunrooms

GrandView Sunrooms

Sunroom Additions

Seaway And Grandview 4 Season Rooms

Zephyr Thomas builds the most magnificent four seasons sunrooms Lancaster PA has to offer! Now you can live the dream in your own 4 season room manufactured by our Seaway professionals, customized to your exact standards. A gracious, unhurried lifestyle is waiting for you. Before your eyes, your living space expands to embrace the comfortable manner of living you have always imagined. Your personal vacation spot, your home away from home, to relax and get away from the busy responsibilities of your day. Remember, not all Lancaster home improvement companies will give you the same quality workmanship that Zephyr Thomas offers, so call us for your sunroom additions now!

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Before and After Sunrooms Gallery

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How Can You Use Your New Sunroom?
Sunroom Interior

Use your imagination-Bring your dreams to life!

Sunrooms Interiors

Why GrandView?

Grandview Sunrooms
  1. Insulated Composite Roof System with Batten System Construction offers additional energy efficiency & strength. Even the weight of 6' of snow won't damage the roof panels.
  2. GrandView’s windows & doors have a unique contoured exterior design to enhance the classic elegance of any home. Windows & doors are fully fusion welded at all corners for maximized strength & prevention of drafts & water leakage.
  3. GrandView four season rooms use the highest quality windows available, constructed with energy efficient, triple weather-stripping, heavy duty window locks, & vent latches for added security for children & pets. Triple interlocks at the meeting rail, header, & sill provide unsurpassed protection against forced entry & a strong tight seal.
  4. Thermally Improved Extrusions – All heavy duty GrandView aluminum sunroom components are thermally improved with a nonconductive external element barrier, isolating the interior of the room from the cold winter & hot summer temperatures. Hollow air spaces are fully filled with foam insulation for maximized energy efficiency.
  5. Foam Filled Corner Post & Corner Cover- Creates a well-insulated, sturdy support while augmenting the style of the room with its sleek contour design.
  6. Optional High Efficiency Heat Pump Air Conditioning Units – Provide increased year-round comfort.
  7. Optional Glass Kneewalls & Trapezoids – Enjoy a maximized viewing area of your property & the outdoors.
  8. Standard Dent Resistant Wall Panels – 3-1/4” thick insultherm, high impact wall panels provide support, energy efficiency, keep your room quiet, & reduce the chance of denting on the facade of your room.
  9. High Strength 6005 Aluminum & Thermal Enhancement Technology. Twice the strength of commercial aluminum, allowing for superior structural integrity & a true thermal barrier.
  10. Tempered High Performance Glass Package with Warm Edge Spacer Technology – Protects & provides a thermally efficient barrier from elements for energy efficient living.
  11. All GrandView sunroom windows are tested to NFRC standards & are Energy Star qualified in all 50 states.
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What Our Clients Say

Jerry Hayden

"We just love our new sunroom. It is so relaxing and peaceful to be warm inside and watch the snow blowing outside. We've received so many compliments from friends and family on the quality and decor of the sunroom addition.”
- Jerry Hayden

Don and Millie Patterson

"Our Qualified installers were dependable and got the job done quickly and efficiently. We spend all of our spare time in our sunroom. We have a fantastic view of the outdoors that we can enjoy year-round. It's the best decision we've ever made!”
- Don & Millie Patterson

Diana Stenglein

"Our patio room is an truly live in it and enjoy its relaxing benefits. We eat breakfast in it, use it as a game room; it's a great place to curl up and read a book- we even spent our Christmas in this beautiful, spacious room.”
- Diana, Andrew, and Kyle Stenglein

"Dear Zephyr Thomas and crew, we can't thank you enough for the wonderful sunroom you built for us. We just love the sunroom, it is like heaven. You all have been so good to us. We would highly recommend Zephyr Thomas to anyone. We are completely satisfied. We get so many compliments on the sunroom. Thank you again!”
- Susan Meringer & David Brown

"Dear Zephyr Family, We are enjoying our sunroom very much. It is the perfect place to sit down, relax and enjoy nature. We want to thank you for everything you did to make this dream of ours possible. You took care of every single detail. Every person who came to work at our house had the same dedication and great disposition. Coy, you even went to our cabin and brought our furniture for the sunroom. We know that that day was a busy one for you, but you still made the time to help us. We are glad we went to see your showroom and had the opportunity to meet our salesman. You certainly delivered everything you promised. We look forward to working with you in the future. Thank you for making this a wonderful experience for us.”
- Henry & Lilian Longenberger