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Trusted Window and Door Installation Services in NJ, DE & PA
JMJ Custom Windows & Doors has been a trusted name in the home improvement industry for over two decades, specializing in the sales and installation of premium windows and doors. Our commitment to quality craftsmanship and customer satisfaction has solidified our reputation as a leading provider in New Jersey, Delaware, and Pennsylvania. We partner with top manufacturers like Soft-Lite and ProVia to deliver energy-efficient, durable products tailored to meet diverse architectural needs. Our team prioritizes personalized service, offering no-pressure consultations and free estimates to ensure every project aligns with client expectations.

With a focus on innovation and integrity, we strive to enhance home aesthetics, comfort, and value while maintaining transparent communication throughout the process. Our dedication to excellence is reflected in our lifetime warranties, meticulous installation practices, and a track record of resolving past installation issues for clients. As a locally owned business, we combine regional expertise with industry-leading products to deliver worry-free solutions that stand the test of time.
Services
Window Installation Door Installation Replacement Windows Energy-Efficient Solutions Custom Vinyl Windows Storm Door Services Patio Door Installation Window Repair Home Value Enhancement Free Consultations
Highlights and features
  • We offer over 20 years of experience in residential window and door installations.
  • Our team provides personalized, no-pressure consultations with the company owner.
  • We specialize in energy-efficient products certified by Energy Star standards.
  • We guarantee lifetime warranties on replacement windows and doors.
  • Our commitment to transparency ensures no hidden fees or unexpected costs.
What people say
Professional and patient Excellent customer service Energy-efficient results Lifetime warranty coverage No hidden fees
Services
Window Installation
Our window installation services utilize premium vinyl, wood, and aluminum materials designed for durability and energy efficiency. We offer styles like double-hung, casement, and picture windows tailored to enhance home aesthetics. Each installation includes personalized consultations to ensure optimal product selection and fit.
Door Installation
We install energy-efficient entry, storm, and patio doors from ProVia, ensuring security and thermal performance. Our process includes precise measurements and expert fitting to prevent drafts and improve home value. Custom options allow seamless integration with existing architectural styles.
Energy-Efficient Solutions
Our Energy Star-certified windows and doors reduce energy consumption while maintaining comfort. Features like insulated glass and weatherstripping lower utility bills and minimize environmental impact. These solutions are ideal for homeowners seeking sustainable, cost-effective improvements without compromising quality.
Custom Vinyl Windows
Soft-Lite vinyl windows combine durability with low maintenance, resisting rot, peeling, and corrosion. Available in multiple colors and configurations, they offer customization for both historic and modern homes. Their energy-efficient design ensures long-term performance and aesthetic appeal.
Free Consultations
We provide no-pressure, personalized consultations to assess your home improvement needs. The owner personally guides clients through product selection, budgeting, and project timelines. This approach ensures transparent decision-making and tailored solutions for every homeowner.
People
Mike Johnston
Owner
Mike Johnston leads JMJ Custom Windows & Doors with over 20 years of industry experience. He personally oversees consultations and installations, ensuring quality and client satisfaction. His hands-on approach and commitment to resolving past installation issues have earned him a reputation for integrity and expertise in home improvement solutions.
Questions
What services does JMJ Custom Windows & Doors offer?
We specialize in window and door installations, replacements, and repairs using energy-efficient products from brands like Soft-Lite and ProVia.
Do you provide free estimates?
Yes, we offer free, no-pressure consultations and price quotes for all window and door projects.
Which areas do you serve?
We serve New Jersey, Delaware, and Pennsylvania, including Salem County, Wilmington, and Radnor.
Are your products energy-efficient?
All our windows and doors meet Energy Star certification standards for superior energy efficiency.
What warranties do you offer?
Our replacement windows include a True Lifetime Warranty covering both current and future homeowners.
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