Rude! Errors!! Unreliable! After being a customer for over 10 years, they refused to stand by the mistakes they made in service. Halco is available and does a great job.

A yearly service call turned out to be a disaster. The company sent two young boys to change nozzle and service ...nozzle was not put on tightly ...oil smell going on from furnace. Send someone else o

We have been HSC customers for 12 years since our move to Ithaca. Last spring, they cleaned and serviced our boiler incorrectly, and when we started using the heat, it whistled loudly. We called them,