Air Sealing | Aeroseal | Lord Building Solutions

Three Divisions - One Performance Standard

Process-driven construction rooted in absolute accountability. We bring transparency, clear communication, and advanced building science to the forefront of every project we deliver.

The General Contracting Revolution

We serve as the deeply committed primary contractor for your entire build, assuming total operational and fiscal responsibility from pre-construction to final handover under a locked, fixed-price guarantee.

Signature Renovations & Additions

We execute large-scale interior and exterior transformations, handling the complex structural modifications and high-tier finish work with a focus on building performance and long-term durability.

High-Performance Panelized New Construction

Serving as the full-service general contractor, we manage the entire onsite lifecycle—delivering the engineered foundation, facilitating the structural erection, and transforming the weather and airtight shell into a beautifully finished pre-designed or custom home.

Deep Energy Retrofits

We overhaul existing structures using advanced building science methodologies, deploying high-R-value, airtight thermal enclosures that fundamentally transform the daily living experience for our clients.

Advanced Air Sealing Systems

Lord Building Solutions is Northern New England’s Air Sealing Contractor—built entirely to help general contractors, developers, and architects meet or exceed their building performance goals through technical diagnostics and guaranteed automated air sealing systems.

Licensed Aeroseal Dealer

We deploy cutting-edge, automated sealing technology to eliminate air leakage in building assemblies and ductwork, delivering computer-verified performance results in real time.

Air Barrier Consultation Services

We collaborate with project teams from initial design through final blower door testing to ensure architectural drawings and specified assemblies achieve air barrier continuity, while directly overseeing the installation and execution of the air control layer.

Air Leakage Testing

We provide certified blower door testing and duct blasting paired with advanced diagnostics—including thermal imaging and fogging—to systematically measure air infiltration and pinpoint exact performance vulnerabilities within the building envelope.

A Completely Turnkey Efficiency Maine Experience

Our single-source turnkey model manages everything from initial diagnostics to final finishes, while converting your eligible incentives into an upfront deduction that keeps your money in your bank account.

Home Energy Audits

We perform detailed property evaluations using real-world data from our comprehensive energy assessments to locate hidden building envelope vulnerabilities, heat loss pathways, and comfort liabilities.

Air Sealing and Insulation Services

We deliver complete thermal protection by pairing surgical air sealing with high-performance insulation upgrades, eliminating draft zones and closing up the critical gaps where pests try to sneak indoors.

HVAC System Improvements

Guided by our holistic approach, we pair the installation of high-efficiency heating and cooling solutions with our upgrades to the building envelope, optimizing total home performance. This ensures that multi-zone mini-split heat pumps and hybrid hot water heaters are perfectly sized to work in harmony with your newly sealed space.