Lomax Window and Door Co.

What Lomax Window and Door Co. does

Lomax Window and Door Co. is a privately held, family-owned home improvement contractor headquartered in Fort Collins, Colorado, serving residential homeowners across Northern Colorado and Southern Wyoming. The company provides window replacement, installation, and historic restoration; entry, patio, and side door replacement and installation; and complementary exterior services including siding installation and custom deck building. Operations are anchored by a single physical showroom at 5748 S College Ave., Unit B, where customers consult with the team and view curated product selections from premium manufacturers including Andersen Windows, Weather Shield, ProVia, and Sierra Pacific.

The technical product stack emphasizes energy efficiency: double and triple-pane glass, Low-E coatings, argon gas fills, and weather-resistant installation techniques tailored to Northern Colorado's climate extremes. Lomax offers specialized historic window and door restoration, blending architectural preservation with modern performance upgrades. Underlying technology is primarily trade-craft and product-sourcing rather than proprietary IP — the company differentiates on installation quality, climate-specific expertise, and brand portfolio curation rather than on novel building science.

The business model is project-based professional services revenue with quote-based pricing and a published volume discount schedule (5–20% off for orders of 5 to 20+ windows and doors). Customer acquisition is sales-led and local: direct consultations, phone inquiries at (970) 225-3869, website quote requests, showroom visits, Google reviews, and community word-of-mouth. Content marketing via an extensive blog on energy efficiency, curb appeal, and home value supports top-of-funnel awareness. Founded in 2014 by owner Donovan, who brings over 30 years of industry experience, the company operates with a lean team (approximately 7 employees) including dedicated project managers for siding and decks. No institutional funding, acquisitions, or ownership changes are documented.

Name

Lomax Window and Door Co.

Legal name

Lomax Window and Door

Website

https://lomaxcolorado.com

Company type

Private

Founded year

2014

Operating status

Operating

Headcount range

1–10 employees

Short description

Lomax Window and Door Co. is a Fort Collins, Colorado-based residential contractor offering window and door replacement, installation, and historic restoration, plus siding and deck services, to homeowners across Northern Colorado and Southern Wyoming.

Ownership category

akta.pro rank

Product category

Home Improvement and Exterior Remodeling Services

NAICS

Glass and Glazing Contractors (238150)

SIC

General Bldg Contractors - Residential Bldgs (1520)

akta.pro primary industry

Window Replacement (Residential) (HSAPAJAA)

akta.pro secondary industry

Door & Door Frame Repair (Interior/Exterior, Jambs, Thresholds) (HSAGABAC)

Keywords

• Window replacement services
• Door installation services
• Home exterior remodeling
• Siding installation services
• Custom deck building

Headquarters

HQ city

Fort Collins

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Window Replacement and Installation: Full-service window replacement and installation including consultation, product selection, professional installation, and post-installation support. Revenue generated through product markup and installation labor charges.
2. Door Replacement and Installation: Entry door, patio door, and side door replacement and installation services. Includes front doors, sliding doors, and specialty doors with professional installation.
3. Siding Services: Siding installation including vinyl, fiber cement, and wood options, with project managers overseeing quality installation.
4. Deck Building: Custom deck design and construction services with experienced project manager Kasey Cook handling projects on time and on budget.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

Lomax Window and Door Co. is a Fort Collins, Colorado-based home improvement contractor that sells, professionally installs, and restores replacement windows, entry/patio/side doors, siding, and custom decks for residential customers across Northern Colorado and Southern Wyoming. The company features premium window and door brands including Andersen, Weather Shield, ProVia, and Sierra Pacific, and offers specialized historic window and door restoration services tailored to the local climate.

Product overview

Lomax Window and Door Co. is a Northern Colorado-based home improvement company offering comprehensive window and door services. Their core offerings include window replacement, installation, and restoration (covering double-hung, picture, awning, casement, gliding, bay/bow, and specialty window types) sourced from premium brands including Andersen (100, 200, 400, A, and E Series), Weather Shield, ProVia, and Sierra Pacific. They also provide complete door services encompassing entry doors, patio doors, and side doors in various materials. Additionally, they offer complementary exterior services including siding installation and custom deck building. The company serves residential customers in Fort Collins, Loveland, and surrounding Northern Colorado and Southern Wyoming areas, with services ranging from standard replacements to historic restoration.

Differentiator

Problem solved

Functional benefit

Products and services

• Window Replacement Services
• Window Installation Services
• Door Replacement Services
• Door Installation Services
• Siding Services
• Deck Building Services
• Historic Window and Door Restoration Services
• Premium Window Brand Offerings

Quantifiable outcome

• Energy efficient windows can reduce noise levels by up to 50% compared to single-paned windows
• +2 more outcomes

Segments2 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Five partnerships are on record, tiered core and minor.

• Weather ShieldcoreTechnology or IntegrationWeather Shield is a premier window brand featured by Lomax, known for exceptional quality windows established in 1955. The partnership provides customers with high-quality, energy-efficient window solutions with over 6,000,000 possible configurations. Weather Shield offers 20-year warranty against defects and 30-year warranty against wood rot on clad products.
• Andersen WindowscoreTechnology or IntegrationAndersen is one of the oldest and most respected home window makers in North America, founded in 1903. Lomax offers Andersen's full product line including 100 Series, 200 Series, 400 Series, A-Series, and E-Series windows and doors. Andersen's Fibrex composite material and wood/vinyl options provide customers with premium choices.
• ProViacoreTechnology or IntegrationProVia is a premium door and window manufacturer featured at Lomax, known for quality residential entry doors, windows, and siding products. The partnership provides homeowners with professional-grade products.
• Sierra PacificcoreTechnology or IntegrationSierra Pacific windows are featured as part of Lomax's curated selection of premium window brands, offering quality construction and energy efficiency for homeowners.
• Efficiency WorksminorStrategic or Co-development PartnerEfficiency Works is a program that empowers Northern Colorado businesses and residents to embrace energy-efficient practices by partnering with local utilities, government agencies, and organizations. Lomax helps customers identify qualifying upgrades and navigate the rebate application process for energy-efficient window replacements.

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Others

• ProVia: Premium door and window manufacturer that supplies Lomax. Relevant as a partner ecosystem and as a premium product benchmark Lomax competes against in showrooms.
• Andersen Windows (manufacturing): Lomax's core premium-brand supplier (Andersen 100/200/400/A/E-Series). Relevant as an ecosystem/partner relationship and a comparable premium-positioned window brand in the market Lomax serves.

Direct peers

• Champion Windows: Direct-to-consumer replacement window, door, siding, and deck company with company-owned showrooms and a sales-led in-home consultation model. Highly comparable across product lines and go-to-market motion.
• Window World: Largest direct-to-consumer window replacement franchise in the U.S., serving residential customers with locally owned territories and similar showroom/consultation-driven sales. Direct competitor in the same window-replacement category.
• Renewal by Andersen: National franchise specializing in window and door replacement for residential customers via consultative, sales-led in-home appointments. Closely comparable business model to Lomax, just at vastly greater scale and as Andersen's captive dealer network.

Broad incumbents

• Home Depot Installation Services: National big-box retailer offering third-party window and door installation through certified contractors. Competes for the same Northern Colorado homeowners and has substantially larger marketing reach.
• Pella Windows & Doors: Major national window and door manufacturer with both retail showrooms and a certified-contractor dealer network that installs products. Comparable as a window/door brand Lomax might compete against or partner with.
• Therma-Tru Doors: Largest residential entry door brand in North America, sold through dealers/installers including replacement contractors. Comparable on the door side of Lomax's product mix.
• Lowe's Installation Services: National home improvement retailer offering in-store window and door replacement programs with installation partners. Competes directly for Lomax's primary customer segment.
• Marvin Windows and Doors: Premium wood, clad, and fiberglass window/door manufacturer with a dealer-installer network across the U.S. Comparable in product positioning (premium brands like Andersen, Weather Shield, Sierra Pacific) and installation-led distribution.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/lomax-window-and-door-co

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

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 Lomax Window and Door Co.