Therma Holdings Acquires Gilbert LLC

Therma Holdings Acquires Integrated Mechanical Systems

February 25, 2019

Industrial Services

Therma Holdings LLC, a portfolio company of Gemspring Capital, has acquired the assets of Integrated Mechanical Systems, an Irwindale, California-based provider of mechanical design, fabrication, construction and maintenance services. The acquisition is intended to accelerate Therma's service offering and scale in Southern California by combining Integrated Mechanical into Therma's existing Southern California operations.

Therma Holdings Acquires Yearout Mechanical

January 15, 2019

HVAC & Mechanical

Therma Holdings LLC, a Gemspring Capital-backed Bay Area mechanical services platform, has acquired Yearout Mechanical, a design-build HVAC, plumbing and piping services provider based in Albuquerque, New Mexico. The acquisition expands Therma's geographic footprint into the New Mexico market and adds in-house fabrication and design-build capabilities to its platform.

Blackstone Energy Partners Acquires Therma Holdings (and RE Tech Advisors) from Gemspring Capital

November 9, 2020

Engineering Services

Private equity funds managed by Blackstone Energy Partners have entered into a definitive agreement to acquire Therma Holdings LLC, a specialty mechanical, electrical and controls services provider, from Gemspring Capital. Blackstone is also acquiring RE Tech Advisors, Inc. and will integrate it into Therma to expand energy efficiency, sustainability and building management capabilities; the combined business will support mission-critical facilities across technology, life sciences, healthcare and data center end markets.

Therma Holdings Acquires Bel-Aire Mechanical

November 11, 2021

HVAC & Mechanical

Therma Holdings, a Blackstone portfolio company, has acquired Phoenix-based Bel-Aire Mechanical to expand its mechanical and plumbing services footprint in Arizona. The acquisition adds over 400 professionals and broadens Therma's capabilities and geographic reach across mission-critical end markets such as data centers, semiconductors, and biopharma.

Therma Acquires VarcoMac

September 4, 2019

Electrical Services

Therma Holdings LLC, a portfolio company of Gemspring Capital, has acquired VarcoMac LLC, an Odenton, Maryland-based provider of electrical systems and maintenance services for data centers, healthcare and government customers. The acquisition expands Therma's mission-critical electrical service capabilities and geographic reach in the Baltimore–Washington metro area; VarcoMac will continue to operate as a subsidiary led by President Shane Wilemon.

Therma Holdings Acquires CMTA and Building Systems Holdings to Expand Energy & Sustainability Platform

July 16, 2021

Engineering Services

Therma Holdings, a Blackstone portfolio company, agreed to acquire CMTA and Building Systems Holdings (BSH) to expand its engineering and energy services platform for high-performance buildings across the United States. The add-on acquisitions bring expanded MEP/energy-efficiency engineering, performance contracting, and construction management capabilities—adding over 150 professional engineers and broadening end-market coverage in healthcare, K‑12, higher education, federal and municipal facilities.