Casto Technical Services

Casto Technical Services Providing commercial HVAC installation, service & repairs since 1965
We Make Buildings Work...Better! We make buildings work...Better!

Casto Technical Services knows that a building's systems are vital to the comfort, productivity, and performance of its inhabitants. Since 1965 Casto Technical Services has been setting the standard for providing commercial customers with quality service and installation. Whether you need a new or upgraded HVAC system, regular or routine maintenance or emergency repairs, Casto Technical Services will provide you with the best service in the region.

Brittany Johnson demonstrated the benefits of using Blue Box enzymes to clean the evaporator coils on an HVAC system tha...
05/21/2026

Brittany Johnson demonstrated the benefits of using Blue Box enzymes to clean the evaporator coils on an HVAC system that serves one of our customers in Ironton, OH.

Casto is proud to partner and sponsor the annual WVU Medicine Thomas Foundation Golf Tournament!
05/15/2026

Casto is proud to partner and sponsor the annual WVU Medicine Thomas Foundation Golf Tournament!

Wishing each of you a wonderful birthday!
05/08/2026

Wishing each of you a wonderful birthday!

05/06/2026

The Mechanical Solutions Group installed (2) Daikin 4-ton RTUs, (1) 5-ton RTU, and (2) 14” tall roof curbs for a local dental office.

Geese have taken up residency at Casto's Fairmont shop!
04/23/2026

Geese have taken up residency at Casto's Fairmont shop!

04/08/2026

Tony Burghy, Justin Welch, and Jeremie Detling assisted a contractor in temporarily lifting and placing support legs underneath a patient care unit for a northern WV hospital.

Josh Prete captured this cool yet ominous picture while running a service call for a retail store customer that had no c...
04/03/2026

Josh Prete captured this cool yet ominous picture while running a service call for a retail store customer that had no cooling.

Apprentice Sawyer Moore replaces the blower motor on a Unit that services a WV gas plant.
03/19/2026

Apprentice Sawyer Moore replaces the blower motor on a Unit that services a WV gas plant.

Josh Crites and Nick McBride perform an emergency repair on 2 boilers that serve a hospital in western WV.
03/12/2026

Josh Crites and Nick McBride perform an emergency repair on 2 boilers that serve a hospital in western WV.

Address

540 Leon Sullivan Way
Charleston, WV
25301

Opening Hours

Monday 7:30am - 4:30pm
Tuesday 7:30am - 4:30pm
Wednesday 7:30am - 4:30pm
Thursday 7:30am - 4:30pm
Friday 7:30am - 4:30pm

Telephone

+18002322221

Website

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