Corporate Identity

Grundman Mechanical was founded in 1983 and has successfully completed well over 1,000 HVAC projects. We provide pre-construction services, estimating, design build, project management, installation and service.

Our Team

Grundman Mechanical operates as a family-run organization for two generations. Our team consists of a full office staff, service department, estimating division, project management division, and executive staff.

The majority of our employees have remained with Grundman Mechanical for over 25 years, resulting in decades of experience guaranteed to benefit every customer.

Grundman Mechanical utilizes the skills from Local 21 and Local 373 Steamfitters producing a quality installation on each project.

Diverse Project Range

Our HVAC projects range from $100,000 to over $20 million. We are a complete turn-key mechanical offering ductwork, piping, installation, controls and start-up/commissioning of equipment to give the owner a fully-functioning system that has been extensively tested.


pre-construction services


Grundman Mechanical puts our experience to work for the customer, delivering accurate conceptual budgets based on our database of completed projects. We can deliver extremely accurate budgets even when minimal information is available. This helps Owners, Engineers/Architects and General Contractors/Construction Managers fine tune their design to meet their budget.


Grundman Mechanical uses state of the art on screen estimating software to deliver accurate and timely estimates for our customers. Each estimate is reviewed by several experienced professionals, delivering a competitive and precise estimate.


Grundman Mechanical has helped Owner's and Builders for decades with Value Engineering services. We think outside of the box, each project has their own unique potential for savings, we constantly strive to help with value engineering in a manner that the original design remains in place as much as possible but still find the savings so the owner can meet their budget.


Grundman Mechanical has been contracted for several Design-Build projects. We have worked closely with the Design Team to produce a design that exceeds the Owner's expectations and is within their budget. Our unique skills as listed above is what makes us an excellent asset to any Design-Build team.



835 Franklin Avenue
Thornwood, NY 10594
Copyright 2023. Grundman Mechanical