I am not one to post a bad review, but I feel compelled to post this.
Do not use this company. He is out to scam you.
Sullivan Heating has experienced technicians that have been serving Pittsburgh for more than 30 years working on heating and cooling systems. We can handle all your HVAC needs. We specialize in Commercial & Residential Heating & Cooling. We offer Installation, Inspection, Maintenance, Repair, Replacement, & Upgrades.