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Business Details
Custom Sunroom Builders in Maine
American Dreamspace has leveraged decades of industry experience and innovation to become a trusted leader in sunroom and patio enclosure design and construction. Our team combines cutting-edge manufacturing technology with a highly trained workforce to deliver structurally superior, energy-efficient solutions that meet or exceed international building codes. We prioritize customer satisfaction through personalized service, transparent communication, and meticulous attention to detail, as evidenced by our A+ Better Business Bureau rating and numerous industry awards.

Our commitment to quality is reflected in our use of Energy Star-rated windows, thermal barrier systems, and structural insulated panels that ensure year-round comfort. With a proven track record of transforming outdoor spaces into functional living areas, we focus on creating value for homeowners through durable, aesthetically pleasing additions that enhance property value and lifestyle quality.
Services
Four Season Sunrooms Three Season Sunrooms Vinyl Replacement Windows Basement Finishing Patio Enclosures
Highlights and features
  • We offer 25+ years of specialized expertise in sunroom construction
  • Our designs incorporate Energy Star-rated windows and R-48+ insulation
  • We provide fully customizable solutions matching home architecture
  • A+ BBB rating with zero customer complaints in our history
  • Award-winning quality recognized by Portland Magazine and USCA
Associations and certifications
  • Better Business Bureau
  • Portland Magazine
  • United States Commerce Association
What people say
Professional and courteous crew On time and on budget Transformed our outdoor space Energy bills reduced significantly Lifetime warranty service
Services
Four Season Sunrooms
Our Four Season Sunrooms feature thermal barrier systems and R-48+ insulated roofs for year-round comfort. Engineered with fusion-welded vinyl frames and triple-paned glass, these structures maintain interior temperatures while offering unobstructed views. The patented design includes easy-glide windows and customizable interior finishes to match home decor.
Three Season Sunrooms
Three Season Sunrooms provide cost-effective outdoor living spaces with screen room conversion capabilities. Standard dual-paned glass and ventilated roof systems allow temperature control during spring, summer, and fall months. These structures feature durable aluminum framing systems with multiple configuration options for decks or foundations.
Vinyl Replacement Windows
ENERGY STAR-certified vinyl replacement windows enhance home efficiency with Warm-Edge Technology and LoE glass coatings. Our installations reduce heat transfer by 200% compared to single-pane systems while maintaining aesthetic appeal through customizable trim and finish options.
Patio Enclosures
Custom patio enclosures convert existing decks into protected living areas. Our system includes removable window sashes for seasonal adjustments and structural insulated panels that exceed local building codes. Available with multiple roofing options including shingle-matched exteriors for seamless integration.
Basement Finishing
Professional basement finishing services create functional living spaces using moisture-resistant materials and code-compliant egress solutions. Our team handles complete transformations including electrical, plumbing, and insulation upgrades while maintaining structural integrity throughout the process.
People
Brian Sullivan
Owner/Project Manager
25+ years in sunroom design and construction with expertise in energy-efficient building systems. Leads all projects from consultation through completion, maintaining direct communication with clients throughout the process.
Pearl Sullivan
Architectural Designer
Handles custom design and permitting processes, creating detailed plans that ensure code compliance. Works closely with clients to translate vision into functional, aesthetically pleasing sunroom solutions while maintaining structural integrity.
Corey
Lead Installer
Master craftsman with 15+ years of installation experience. Oversees construction crews and ensures precise execution of technical specifications. Known for attention to detail and problem-solving during complex installations.
Damien
Senior Technician
Experienced technician specializing in structural assembly and finishing work. Maintains high standards for craftsmanship while ensuring timely project completion. Recognized for customer service skills during on-site interactions.
Shawn
Project Coordinator
Manages scheduling and logistics for installations across multiple states. Facilitates communication between design team and construction crews to maintain project timelines and quality standards.
Questions
What makes your sunrooms different from competitors?
Our patented thermal barrier system with R-48+ insulation and triple-paned glass provides superior energy efficiency compared to standard sunroom constructions.
Can you build on existing decks?
Yes, our system is specifically engineered for deck conversions while maintaining structural integrity and adding value to your property.
Do you handle permits and approvals?
Yes, our design team manages all permitting processes and ensures compliance with local building codes and homeowners association requirements.
What warranty options are available?
We offer lifetime warranties on structural components and 20-year coverage for glass units, with documented service history for all installations.
How long does installation take?
Most standard installations complete within 3-5 days after permitting, with larger custom projects typically finishing within two weeks.
Can rooms be expanded later?
Our modular design allows for future expansions, though structural modifications require engineering review to maintain code compliance.