Hours of Operation Mon–Fri. 8:00am – 5:00pm

What We Do

With over 20 years of experience, Watt Mechanical proudly provides commercial plumbing and HVAC services across Greater Indianapolis.

“Seamless mechanical solutions. Every system, every trade, perfectly coordinated.”

Precision starts here

Every project begins long before the first tool hits the site. Blueprints meet foresight, and every trade is mapped with exacting precision. From early coordination to detailed planning, we make sure every system is designed to work seamlessly together. Thoughtful planning today ensures smooth execution tomorrow, keeping projects on track, on schedule, and built with confidence.

Systems in sync

HVAC, plumbing, and mechanical systems don’t operate in isolation—they work together, orchestrated by teams with deep technical expertise.

Every trade, every detail, every connection is coordinated to ensure systems function flawlessly as one.

From installation to integration, our teams move with precision, skill, and seamless collaboration, delivering solutions that perform as designed.

Every system is installed right the first time, backed by knowledge honed over decades of complex projects.

Built to perform

where precision meets accuracy

Every project is carefully overseen from start to finish. Our teams monitor every trade, every connection, and every milestone to ensure nothing is overlooked. With vigilant oversight and a commitment to quality, we keep projects on schedule, systems operating flawlessly, and outcomes built to last.

HVAC

Hydronic Piping

Our hydronic piping systems support efficient heating and cooling using hot and chilled water loops — designed for reliability and energy performance.

We install and service boilers, chillers, pumps, air handling units, and other core mechanical systems — everything you need for consistent climate control.

Precision-installed refrigerant piping systems built for commercial scale — leak-tested, properly routed, and fully optimized for performance.

We provide design and installation of VRF systems that allow for zoning, energy savings, and smarter building climate management.

Plumbing

Water Piping

Whether it’s domestic supply or process lines, our water piping systems are built for durability and efficiency — engineered to perform under pressure.

From underground infrastructure to interior drainage systems, we deliver waste piping solutions that are code-compliant and built to last.

We install and service commercial-grade water heaters, booster pumps, interceptors, and specialty equipment tailored to your project’s needs.

Whether it’s trench drains, floor sinks, or custom fixtures, our installations are built to perform and easy to maintain — because time is money on your site.

Our licensed team handles the installation of oxygen, nitrogen, and other medical gas systems with strict compliance and safety standards.

We design and install clean, efficient compressed air systems for commercial and industrial applications — leak-tested, pressure-rated, and built for productivity.

We provide testing, certification, and installation of backflow prevention systems — ensuring regulatory compliance and protecting your potable water supply.

Trade Management

Sheet Metal Ductwork

We oversee sheet metal fabrication and installation for ductwork, enclosures, and custom components — making sure every piece fits perfectly and functions seamlessly with other trades.

We implement smart control systems that give you precision over your environment — programmable, responsive, and designed to integrate.

Thermal pipe insulation is installed with accuracy to maximize system efficiency, maintain code compliance, and protect both the building and its occupants.

Our certified TAB professionals ensure every system delivers proper airflow, temperature, and pressure — fine-tuned for comfort and performance.

Make complexity look simple.

We handle every detail so your systems perform flawlessly, every time.