High-Performance GC for Demanding Projects

Most general contractors treat building performance as an afterthought. We put it at the center of every decision — from subcontractor selection and sequencing to material specifications and quality control.

The result is buildings that perform better, cost less to operate, and stand up to decades of wear — for both residential and commercial clients.

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Photo: Active Construction Site
Scope of Work

What We Build

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Custom Residential

High-performance custom homes built to Passive House, Net Zero, or owner-defined energy targets. We work directly with architects or can recommend design partners.

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Light Commercial

Office buildings, retail, and mixed-use construction where performance and durability matter. We bring the same standards to commercial work as residential.

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Deep Energy Retrofits

Comprehensive envelope upgrades for existing buildings — improving thermal performance, airtightness, and moisture management without full demolition.

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Panel-Based Construction

Projects using our proprietary Carbonless Panel System for faster installation, better performance, and tighter envelope tolerances than traditional framing.

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Rural & Remote Builds

Experience building in challenging terrain and remote locations across Montana and the broader mountain west. We know how to manage logistics others don't.

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Spec & Inspection Services

Third-party spec review, site inspections, and quality assurance for projects where you have your own GC but want an expert set of eyes.

Our Standards

Why Carbonless Builds Differently

We hold every project to standards most contractors have never heard of. These aren't marketing claims — they're measurable outcomes we deliver.

R-40+Envelope Performance
<1 ACHAir Leakage at 50Pa
50 yrTarget Design Life
ZeroThermal Bridging Compromise
"Carbonless ran the tightest job site I've ever worked on. Every sub knew exactly what the performance targets were — and they hit them."
— Architect & Project Owner, Bozeman MT
Let's Build Together

Tell Us About Your Project

We take on a limited number of contracting projects each year to ensure quality. Reach out early.

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