Chris VanPelt is respectful, capable, and thorough. He did the maintenance on my AC and furnace this summer during which he noticed a faulty heat exchanger, which he himself subsequently replaced. (Refer to an earlier survey I've just submitted about quality of service.)
Halco has a high profile in the Southern Tier and offers a range of services, so they were my go-to when looking for a company to replace my furnace and install central AC.
We were very satisfied.