Mark joined Halco in 2020 as a part of our team of service technicians. His daily duties include performing maintenance and diagnostics in equipment like furnaces, boilers, air conditioners, etc. Mark likes his job at Halco because he says he enjoys traveling all around the state and meeting new people every day and learning different things. He attended BOCES HVAC classes and is certified with EPA 608 universal. Mark likes to spend his free time with his son and his girlfriend. His hobbies include video games and RC cars.

Mark T.
Service Technician
What Our Customers Say
The gentleman knew what and where to look for the problems.
Florence
My late husband and I have been customers for decades. It is precious to me that I can make ONE call to service Heating, Cooling, Electrical, and Plumbing issues. HALCO is available 24-7. Most recently I was away from home recovering from back surgery. When I returned.my furnace had shut down. This was just in ...
Gail
He worked non-stop without a break, by himself, to remove my old furnace and to install a new furnace.
Tanya
So far, I have been pleased with Halco service and especially appreciate the call I received this morning...
Tanya
Sarah was respectful but very supportive throughout this whole procedure. She deserves the highest commendation and congratulations for her excellent work.
Ron
Last week HALCO installed a geothermal heat pump at our residence. I have only praise for the work they did...
Charles
I can’t express enough gratitude to amount to the amazing work your crew did.
Annemarie
John was extremely professional, kind, courteous and a good communicator.
Lynn
Because you are local
John
Come Join Us!
At Halco, we’re always looking for people who care about quality, craftsmanship, and helping homeowners. With four apprentice programs, on-the-job training, clear advancement pathways, and a team‑first culture, you’ll build a career that makes a real impact in communities across the Finger Lakes.
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