Here at M & J Mechanical Heating & Air Conditioning Inc, we take pride in providing the best services and satisfying our customer needs. We specialize in Central Air Conditioning system, Ductless split systems, Window & Thru-the-wall units, Rooftop units, Cooling towers & chillers, Water heaters & steam hot water boilers, Hot air furnaces, Humidifiers, Duct Work, Gas & Oil Heat, Oil to Gas Heat Conversions, Radiant Heat, Dryer Vent Pipe & Air Duct Cleaning, Refrigeration on all major appliances, Fireplaces Sold & Installed. We are here to serve you 24 hours a day contact us today (718) 984-2713