Casto Technical Services

Casto Technical Services Providing Commercial HVAC Service, Mechanical & Automated Solutions 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.

Jason Dunn repairs the cooling and humidity issues for an Elementary School's Aaon RTU by reprogramming a VCCX2 controll...
08/28/2026

Jason Dunn repairs the cooling and humidity issues for an Elementary School's Aaon RTU by reprogramming a VCCX2 controller.

We wish each of you a wonderful birthday!
08/25/2026

We wish each of you a wonderful birthday!

Landon Vance prepares to replace the compressor on a Daikin VRF system that serves a college in western WV.
08/11/2026

Landon Vance prepares to replace the compressor on a Daikin VRF system that serves a college in western WV.

Blane Mayle would like to thank Casto for sponsoring his son Byron this year with his 4-H projects!
08/10/2026

Blane Mayle would like to thank Casto for sponsoring his son Byron this year with his 4-H projects!

08/07/2026

Let's end the work week on a positive note! One of our customers reached out to us to recognize the great work Michael Bennett did last night to get one of their units up and cooling. Thank you, Michael, and the rest of the Casto team who continues to make our customers a priority!

Jason Dunn and Nightmare Nation Athletics thanks Casto for their generous sponsorship!
07/29/2026

Jason Dunn and Nightmare Nation Athletics thanks Casto for their generous sponsorship!

07/27/2026

Ryan Ensor, Skylar Ensor, and Adam Iser work on replacing the fan assembly, shaft, and bearings on a BAC cooling tower that serves a medical facility in western MD.

Casto's very own Chris Pierce recently visited "his" mountain, Mount Pierce in New Hampshire!
07/17/2026

Casto's very own Chris Pierce recently visited "his" mountain, Mount Pierce in New Hampshire!

Wishing each of you a wonderful birthday! Enjoy your day!
07/17/2026

Wishing each of you a wonderful birthday! Enjoy your day!

Justin Welch prepares to replace the coils on a unit that serves an oil and gas company in northern WV.
07/16/2026

Justin Welch prepares to replace the coils on a unit that serves an oil and gas company in northern 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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