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Business Details
25 Years
experience
Your Trusted Window & Door Experts in Oak Harbor, OH
Radiant Windows has been a trusted provider of premium windows and doors in Northwest Ohio since 2001. Founded by Mike Shadoan, a mechanical engineer with extensive industry experience, our family-owned business combines technical expertise with personalized service. We specialize in high-efficiency window systems, backed by lifetime warranties covering both products and labor. Our team of certified installers, trained through advanced programs, ensures precision in every project, from residential replacements to large-scale installations.

With over 75,000 window installations completed, we maintain an A+ BBB rating and have earned Angie's List Super Service Awards annually since 2003. Our commitment to quality is demonstrated through rigorous lab-tested efficiency ratings and a customer-centric approach that prioritizes transparency and satisfaction. As a locally operated business, we understand regional needs and deliver solutions that enhance comfort, energy savings, and property value for every client.
Services
Window Installation Door Installation Free Estimates Showroom Consultation Window Replacement
Details
  • Year established: 2001
Highlights and features
  • We offer over 20 years of experience in window and door installation.
  • Our windows have the highest efficiency ratings in the industry.
  • We provide a lifetime warranty on products and labor.
  • Our installers are Lead Safe Certified and continually trained.
  • We have an A+ BBB rating and have won Angie's List Super Service Awards annually since 2003.
Associations and certifications
  • Better Business Bureau (BBB)
  • Angie's List Super Service Award
What people say
Great experience Professional Spotless cleanup Impressed with results Lifetime warranty
Services
Window Installation
Radiant Windows provides expert installation of energy-efficient windows, including double-hung, sliding, and bay styles. Our certified technicians use advanced techniques to ensure proper fit and insulation. Customers benefit from improved home comfort, reduced energy bills, and enhanced property value through durable, lab-tested products.
Door Installation
Our door installation service covers exterior entry, sliding, and storm doors with precision craftsmanship. Each installation follows strict quality standards to maximize security and energy efficiency. Homeowners receive lifetime warranties on products and professional workmanship for long-term peace of mind.
Free Estimates
Radiant Windows offers complimentary consultations to assess window and door replacement needs. Our team provides transparent pricing with no hidden fees. This service helps customers plan budgets while ensuring they receive the most cost-effective solutions for their specific requirements.
Showroom Consultation
Visit our Oak Harbor showroom to explore window and door options with expert guidance. Customers can view product samples and discuss customization possibilities. This service ensures informed decisions through hands-on experience with materials and design options.
Window Replacement
Specializing in residential and commercial window replacements, we deliver energy-saving solutions with minimal disruption. Our process includes old window removal, precise installation, and thorough cleanup. Customers report significant temperature regulation improvements and increased home aesthetics after replacement projects.
People
Mike Shadoan
Owner
Mike Shadoan founded Radiant Windows in 2001 after a career designing window systems for major manufacturers. He holds a Mechanical Engineering degree and personally oversees quality control for every project.
Questions
What types of windows do you install?
We install double-hung, sliding, casement, awning, bay, bow, and garden windows with energy-efficient features.
Do you offer door installation services?
Yes, we install exterior entry doors, sliding doors, and storm doors with customization options for security and style.
What warranty coverage do you provide?
Our windows and doors come with lifetime warranties covering both products and labor, transferable to future homeowners.
Are your installers certified professionals?
All installers are Lead Safe Certified and trained through the Installation Masters Program with over 20 years of experience.
How long does a typical window installation take?
Most residential installations complete in 1-2 days depending on project size, with minimal disruption to homeowners.
Do you serve areas outside Oak Harbor?
We serve all of Northwest Ohio including Toledo, Sandusky, and surrounding communities for window and door projects.