Your PrefabPartner

MMS is the leading provider of custom designed, modular mechanical services in the Northeast. We offer streamlined solutions for complicated projects by partnering with design teams to remove onsite challenges via offsite prefabrication.

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Solutions View All

Customized for you

Mechanical Penthouses

Our mechanical penthouses are designed and built to optimize the projects specific heating, cooling, energy and environmental goals.

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Pump Skids

Our pump skids can be used for any application including process, hydronics, fire suppression, and more.

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Domestic Hot Water Skids

Our domestic hot water skids are built to satisfy all plumbing codes and provide the benefit of an accelerated field installation.

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Heat Exchanger Skids

Our heat exchanger skids offer effective time and space saving solutions.

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Medical Headwalls

Our headwall products provide a consistent experience for installers and ultimately the healthcare staff.

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Bathroom Pods

Our bathroom pods are built to your specifications and ready to “roll” onto your site.

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Fast Facts About Prefab

7

Acres of our campus, which is comprised of 2 properties located on contiguous property

70,000

Square footage of factory space housed with overhead cranes and spool fed welding machines for precision craftsmanship

30%

Percentage of reduction in onsite field labor via prefabrication

20%

Percentage of reduction in onsite waste

ISO

Certified to ensure quality management standards are met

7x

Safer in the manufacturing environment vs. in the field

10+

Number of full time revit modelers and QA/QC staff

100%

Union Built: HVAC, Plumbing, Fire Protection

Featured Projects

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Comm Pier

The project team wanted to maximize valuable floor space. Instead of a mechanical room inside the building, they opted for a modular penthouse on the roof.

Mechanical HW & DHW Penthouse - Commonwealth Pier - Boston, MA

Comm Pier

The project team wanted to maximize valuable floor space. Instead of a mechanical room inside the building, they opted for a modular penthouse on the roof.

Mechanical HW & DHW Penthouse - Commonwealth Pier - Boston, MA

Dana Farber

The customer knew they wanted to save valuable floor space within the building for patient care, so mechanical rooms were going to be housed outside. The team opted for modular mechanical rooms to avoid having to build penthouse structures on the roof.

Mechanical CHW, PCHW, HW & DHW Penthouses - DFCI – Boston, MA

Dana Farber

The customer knew they wanted to save valuable floor space within the building for patient care, so mechanical rooms were going to be housed outside. The team opted for modular mechanical rooms to avoid having to build penthouse structures on the roof.

Mechanical CHW, PCHW, HW & DHW Penthouses - DFCI – Boston, MA

Fuller School

This customer had limited mechanical space within the building and decided to utilize roof real estate for their chilled water plant and pump house.

Chilled water pump house - Fuller School – Framingham, MA

Fuller School

This customer had limited mechanical space within the building and decided to utilize roof real estate for their chilled water plant and pump house.

Chilled water pump house - Fuller School – Framingham, MA

Food and Beverage

This customer was challenged with a tight schedule and small footprint. They wanted us to ensure the footprint was as small as possible. They were also looking for us to provide improved lead times, assist with local labor shortages, and provide improved pricing with our local fabrication.

Domestic Hot Water Skid - Food and Beverage R&D – Valhalla, NY

Food and Beverage

This customer was challenged with a tight schedule and small footprint. They wanted us to ensure the footprint was as small as possible. They were also looking for us to provide improved lead times, assist with local labor shortages, and provide improved pricing with our local fabrication.

Domestic Hot Water Skid - Food and Beverage R&D – Valhalla, NY

BU Theatre

During construction the customer required the chilled water and heating plants to be operational prior to the rest of the building. The owner and design team opted for a modular mechanical room so that the plant could be built in a parallel path to construction of the rest of the building.

Mechanical CHW, HW & DHW Penthouse - BU Theatre – Boston, MA

BU Theatre

During construction the customer required the chilled water and heating plants to be operational prior to the rest of the building. The owner and design team opted for a modular mechanical room so that the plant could be built in a parallel path to construction of the rest of the building.

Mechanical CHW, HW & DHW Penthouse - BU Theatre – Boston, MA

Pharmaceutical

This customer wanted to maximize usable square footage within the building and opted for a roof mounted modular system.

Mechanical HW Penthouse with Energy recovery system - Pharmaceutical – Somerville, MA

Pharmaceutical

This customer wanted to maximize usable square footage within the building and opted for a roof mounted modular system.

Mechanical HW Penthouse with Energy recovery system - Pharmaceutical – Somerville, MA

Benefits

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Safety

All customized modular solutions are built off-site at our ISO 9001:2015 certified campus in Andover, MA. This approach results in less congestion, and fewer man hours, on site.

hand on paper, pointing at unit numbers

Schedule

We understand the goal is to have your system up and running as soon as possible. MMS assembles each custom unit, offsite, minimizing time on site.

four Modular workers lifting equipment together

Quality Craftsmanship

Our environmentally controlled, 70,000 SF, manufacturing facility provides our local union tradespeople with ideal operating conditions for fabrication of systems.