AHT Wisconsin Windows

What AHT Wisconsin Windows does

AHT Wisconsin Windows is a privately held, family-owned home improvement company founded in 1967 and headquartered in Clintonville, Wisconsin. The company designs, sells, and professionally installs custom replacement windows and exterior doors for Wisconsin residential homeowners, operating three retail showrooms (Clintonville headquarters, Madison, and Appleton) and providing field sales coverage across more than 100 Wisconsin cities. Its core product line spans nine window categories (Double Hung, Casement, Sliding, Picture, Bow, Bay, Awning, Egress, and Specialty) and four door categories (Entry, Double, Sliding Glass, and Storm), all engineered specifically for Wisconsin's extreme climate.

The company's product technology centers on Advanced Polymeric Composite (APC) frames claimed to be 400% stronger and 214% more insulating than vinyl, paired with triple-pane glass systems incorporating two Low-E coatings, 22-layer directional coatings, warm-edge spacer technology, and dual chambers of proprietary Krypton gas fill. Windows are ENERGY STAR 'Most Efficient' certified (5 consecutive years per company claims) and backed by a 50-year transferable, non-prorated warranty. All installation work is performed by factory-trained company employees rather than subcontractors, which the company uses to differentiate on workmanship quality and warranty enforcement.

Revenue is generated primarily through one-time project sales of windows and doors plus professional installation services, with quote-based pricing determined after in-home consultation. The company supplements direct sales with third-party lender partnerships that offer customer financing, and it invests in content marketing, social media (Facebook, YouTube 'Scott the Window Guy', Houzz, Pinterest), SEO across localized Wisconsin service-area pages, GuildQuality reviews, and BBB A+ accreditation to drive inbound demand. Promotional activity in 2026 includes a free installation offer (minimum 3 windows), $600 off patio doors, and a $25,000 home improvement sweepstakes. The business model is fundamentally a regional, direct-to-consumer residential replacement contractor with no disclosed subscription, recurring, or commercial-contract revenue streams.

Name

AHT Wisconsin Windows

Legal name

AHT Wisconsin Windows

Website

https://ahtwindows.com

Company type

Private

Founded year

1967

Operating status

Operating

Headcount range

11–50 employees

Short description

AHT Wisconsin Windows is a family-owned Clintonville, WI company founded in 1967 that designs, sells, and installs custom replacement windows and doors engineered for Wisconsin's climate, serving residential homeowners via showrooms, in-home consultations, and field sales.

Ownership category

akta.pro rank

Product category

Replacement Windows and Doors

NAICS

Glass and Glazing Contractors (23815), Glass and Glazing Contractors (238150), Metal Window and Door Manufacturing (332321)

SIC

Glass Products, Made Of Purchased Glass (3231)

akta.pro primary industry

Window Replacement (Residential) (HSAPAJAA)

akta.pro secondary industries

Custom Window & Door Fabrication & Replacement (HSAPAJAI), Security Door & Impact-Resistant Window Replacement (HSAPAJAL)

Keywords

• Replacement windows
• Exterior doors
• Triple-pane windows
• Home improvement
• Window installation

Headquarters

HQ city

Clintonville

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Window Sales and Installation: One-time sale and professional installation of replacement windows directly to homeowners. Products are custom-made to order based on in-home measurements. Includes 50-year transferable warranty coverage.
2. Door Sales and Installation: Entry doors, patio doors, sliding glass doors, and storm doors sold with professional installation. Available in steel and fiberglass options with various customization features.
3. Financing Services: Partnership with multiple lenders to offer financing options for homeowners, providing payment plans that fit various budgets. Customers can pay over time rather than upfront.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels7 records

Core offering

AHT Wisconsin Windows manufactures, sells, and professionally installs custom replacement windows and exterior doors directly to Wisconsin homeowners. Products feature triple-pane glass with Krypton gas fills, dual Low-E coatings, and proprietary Advanced Polymeric Composite (APC) frames engineered specifically for Wisconsin's extreme climate. All installation work is performed by factory-trained employees and backed by a 50-year transferable warranty.

Product overview

AHT Wisconsin Windows is a family-owned window and door replacement company serving Wisconsin since 1967, offering a comprehensive portfolio of replacement windows and exterior doors. The product lineup includes nine distinct window styles (Double Hung, Casement, Sliding, Picture, Bow, Bay, Awning, Egress, and Specialty/Custom windows) and four door categories (Entry Doors, Double Doors, Sliding Glass Doors, and Storm Doors). All windows feature triple-pane glass technology with Low-E coatings, Krypton gas insulation, and Advanced Polymeric Composite (APC) frames. The company's Signature Series doors are available in 22-gauge steel or fiberglass with thermal cores. Products are designed specifically for Wisconsin's harsh climate and are backed by a 50-year transferable warranty.

Differentiator

Problem solved

Functional benefit

Products and services

• Double Hung Windows Traditional double-hung replacement windows with two operable sashes that slide vertically, featuring triple-pane glass and Advanced Polymeric Composite (APC) frames for Wisconsin climate durability.
• Casement Windows Crank-operated replacement windows that swing outward, providing maximum ventilation and a tight seal when closed, designed for energy efficiency in Wisconsin homes.
• Sliding Windows Horizontal-sliding replacement windows with smooth operation, featuring triple-pane glass and composite construction for durability and energy efficiency.
• Picture Windows Fixed-frame replacement windows designed to maximize natural light and provide unobstructed views, with superior triple-pane insulation properties.
• Bow Windows Multi-section curved replacement windows that project outward from the home's exterior, creating additional interior space and elegant architectural appeal.
• Bay Windows Three-section replacement windows projecting outward from the home with a combination of fixed and operable units, providing panoramic views and increased interior space.
• Awning Windows Hinged-at-top replacement windows that swing outward from the bottom, allowing ventilation even during light rain, with superior weather sealing for Wisconsin conditions.
• Egress Windows Code-compliant emergency exit replacement windows designed for basement and bedroom safety, meeting minimum opening dimensions for escape and rescue.
• Specialty Custom Windows Custom-shaped and non-standard replacement windows tailored to unique architectural requirements, available in various geometric configurations.
• Entry Doors Fiberglass and steel entry doors featuring 22-gauge steel options, adjustable hinges, compression seals, thermal cores, and multi-point locking hardware for security and energy efficiency.
• Double Doors Double entry door systems with reinforced panels, insulated cores, and precision hardware for enhanced performance and aesthetic appeal.
• Sliding Glass Doors Patio sliding doors with monorail systems, top and bottom rollers, multi-point locking, low-profile thresholds, and triple-pane glass options for smooth operation and energy efficiency.
• Storm Doors Protective exterior storm doors designed to add an additional layer of weather protection and improve energy efficiency.
• Professional Window and Door Installation Factory-trained in-house installation services for all purchased windows and doors, backed by a 50-year transferable workmanship warranty. Installation is performed by company employees rather than subcontractors.

Quantifiable outcome

• Up to 40% savings on heating and cooling costs
• +6 more outcomes

Named customers11 records

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/AHTwindows
• YouTubeyoutube.com/user/AHTWisconsinWindows
• Facebookfacebook.com/AHTWisconsinWindows
• Pinterestpinterest.com/ahtwindows
• LinkedInlinkedin.com/company/aht-wisconsin-windows

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about AHT Wisconsin Windows