Here at HVAC Alliance Expert, we know that a broken HVAC unit always brings a lot of hassle and inconvenience. And it is something that we don’t want to happen to our valued customers in the area. That is why we stay available all day and night to ensure that we can assist our customer’s specific requirements in Park Slope every time. So if you want a company that can be there right when you need them, know that there’s only one company to trust—it’s HVAC Alliance Expert! Services: Air conditioning repair, Air conditioning installation, Air conditioning maintenance, Furnace repair, Heating installation, Heating maintenance, Heating repair, Thermostat installation, Thermostat repair, Phone: (929) 545-6070 MON-SUN: 24h Payment: Cash, Credit, Check