Northville Residents Gain HVAC Contractor That Fabricates Custom Ductwork On-Site
Livonia, United States – May 13, 2026 / OnPoint HVAC /
OnPoint HVAC, a Livonia-based family-owned heating and cooling contractor, has announced a formal expansion of its service territory into Northville, Michigan and the broader Southeast Michigan region. The move reflects a deliberate effort by the company to bring load-calculation-based system design to homeowners who have historically been served by contractors relying on equipment swaps rather than engineering methodology. The expansion is effective immediately, with the company already accepting project inquiries from Northville residents.
A Different Standard for System Design
The prevailing practice across much of the residential HVAC industry involves replacing aging equipment with newer models of similar size, often without reassessing whether the existing system design is appropriate for the home. OnPoint HVAC operates on a different premise. Every project — whether it involves ac installation in Northville MI or a full heating system overhaul — begins with a Manual J load calculation, a room-by-room measurement process that determines the precise heating and cooling demands of a structure based on its insulation levels, window placement, square footage, and occupancy patterns.
From those measurements, the company designs ductwork layouts and selects equipment capacities accordingly. Where necessary, custom ductwork is fabricated on-site to match the specific geometry and airflow requirements of each home. The result, according to the company, is a system that operates at lower static pressure, produces less noise, and maintains more consistent temperatures across all rooms — outcomes that are difficult to achieve through a straight equipment swap.
Engineering Credentials Behind the Approach
OnPoint HVAC was founded by George Petrentzev, who brings 20 years of professional HVAC experience to every project the company undertakes. That background informs both the diagnostic process and the installation methodology the company applies across its service area.
“Most homeowners don’t realize that installing a new system into an old, undersized duct network is one of the most common reasons systems fail early or never perform as expected,” said George Petrentzev, Founder of OnPoint HVAC. “Our process starts with the math — load calculations, airflow measurements, duct design — and that’s what separates a system that lasts 20 years from one that needs attention after five.”
The company is fully licensed and insured, operating as a family-owned business with accountability structures that larger regional contractors rarely maintain. OnPoint HVAC partners with Tempstar and AirQuest as its primary equipment suppliers, both of which offer product lines designed for residential applications where long-term reliability and energy efficiency are the primary performance metrics.
What Northville Homeowners Can Expect
Homeowners seeking hvac service in Northville MI will find that OnPoint HVAC’s process differs from initial contact through project completion. Rather than quoting a unit replacement based on the size of the existing system, the company schedules a site visit to gather measurements and assess the current duct configuration before any equipment recommendation is made.
Airflow balancing is performed after installation to verify that each room in the home is receiving the volume of conditioned air the load calculation determined it requires. This step is frequently bypassed by contractors working under time pressure, but OnPoint HVAC treats it as a standard component of every project.
Expansion Into Southeast Michigan Communities
The Northville expansion is part of a broader service territory build-out that includes surrounding Southeast Michigan communities. OnPoint HVAC has structured its operations to serve both new construction projects and existing homes requiring system replacement or upgrade.
For homeowners evaluating furnace repair in Northville MI or considering a full heating and cooling system replacement, the company is offering free estimates as part of its expansion outreach. The no-cost consultation includes a preliminary assessment of the existing system and a discussion of whether the current duct layout is compatible with modern high-efficiency equipment — a factor that carries significant implications for long-term operating costs and system longevity.
About OnPoint HVAC
OnPoint HVAC is a family-owned, fully licensed and insured heating and cooling contractor based in Livonia, Michigan. Founded by George Petrentzev, the company specializes in load-calculation-based system design, custom ductwork fabrication, airflow balancing, and equipment installation for residential customers across Southeast Michigan. OnPoint HVAC partners with Tempstar and AirQuest to provide equipment built for long-term performance in the regional climate.
Learn more at OnPoint HVAC
Contact Information:
OnPoint HVAC
27788 Joy Road
Livonia, MI 48150
United States
George Petrentzev
(248) 331-8090
https://www.onpoint-hvac.com
