Business Details
32 Years
experience
Custom Windows & Doors in Randolph, NJ | Tower Windows & Doors
Since 1994, Tower Windows & Doors has been a premier distributor of custom wood windows and doors in northern New Jersey. Founded by John Krannich, our family-owned business serves as a one-stop resource for architects, builders, and homeowners seeking premium products and expert consultation. Our team of factory-trained professionals brings decades of industry knowledge to every project, offering value engineering, design assistance, and personalized service. We specialize in matching clients with manufacturers and products that align with their project's aesthetic and budgetary requirements. Our commitment extends beyond sales, including job site visits, warranty support, and no-charge repairs to ensure long-term client satisfaction.With two design showrooms and a focus on quality over compromise, we've earned recognition from architectural and builder communities across the tri-state area. Our process emphasizes collaboration, combining technical expertise with creative problem-solving to deliver cost-effective solutions without sacrificing design integrity. This approach has solidified our reputation as a trusted partner for residential and light commercial projects requiring custom window and door solutions.
Services
Custom Windows
Entry Doors
Interior Doors
Design Consultation
Value Engineering
Details
- Year established: 1994
Highlights and features
- We offer over 25 years of experience in custom window and door distribution
- Family-owned business with direct founder involvement since 1994
- Factory-trained sales team with unmatched industry knowledge
- Comprehensive value engineering services to optimize project budgets
- Dedicated showroom facility for hands-on product selection
What people say
Best customer support
Most competitive pricing
Courteous and professional
Perfect product delivery
Outstanding service
Services
Custom Windows
We provide premium custom windows tailored to residential and commercial projects. Our offerings include energy-efficient designs, multiple wood types, and specialty shapes that meet architectural requirements. With partnerships with leading manufacturers like Norwood and Weather Shield, we deliver durable, aesthetically pleasing solutions that enhance property value while maintaining thermal efficiency.
Entry Doors
Our entry door solutions combine security, durability, and design excellence. Featuring brands like Simpson and Therma-Tru, we offer wood, fiberglass, and steel options with customizable finishes and glass inserts. Each installation is supported by precise measurements and professional guidance to ensure perfect fit and long-term performance in northern New Jersey's climate.
Interior Doors
We supply premium interior doors that enhance architectural aesthetics while meeting functional requirements. Our collection includes stile-and-rail constructions, beaded panel designs, and modern configurations from trusted manufacturers. Expert sales consultants help clients match door styles with existing trim and interior design elements for cohesive home transformations.
Design Consultation
Our showroom-based design consultation service helps clients visualize window and door integration. Using shop drawings and scalable elevations, we assist architects and homeowners in selecting optimal configurations. This service prevents costly errors by addressing potential conflicts early in the specification process, ensuring seamless project execution.
Value Engineering
We provide systematic value engineering to balance project budgets with quality requirements. Our approach maintains functional integrity while identifying cost-effective alternatives through manufacturer partnerships. This service helps builders and architects achieve design intent within financial constraints without compromising on essential performance characteristics.
People
John Krannich
Founder
John Krannich established Tower Windows & Doors in 1994 with a focus on architectural needs. His leadership has maintained the company's family-owned status while expanding its reputation as a premier distributor. With decades of industry experience, he continues to shape the business's commitment to quality and client satisfaction.
Questions
What areas do you serve?
We primarily serve northern New Jersey and the tri-state area, including New York and Pennsylvania.
What types of windows do you offer?
We provide custom wood windows, including double-hung, casement, sliding, and specialty shapes from premium manufacturers.
Are your products energy efficient?
Yes, our windows and doors feature energy-saving designs and thermal-efficient glass options to meet modern building standards.
Do you offer design assistance?
We provide comprehensive design consultation with showroom displays and scalable elevations to visualize installations.
What is your delivery policy?
We offer curb-side delivery with customer responsibility for unloading and weather protection of materials.