Heating, ventilating and energy-saving equipment for building

The utility model discloses heating ventilation energy-saving equipment for a building, which relates to the technical field of building equipment and comprises a heater and a heating box, the heateris fixedly mounted in the heating box, a conveying box is arranged above the heating box, water pumps are symmetrically arranged on the left side and the right side in the conveying box, and water pumping pipes are mounted at the bottoms of the water pumps on the left side and the right side. Heating and ventilation pipes are installed on the sides, away from each other, of the water pumps on theleft side and the right side, the tail ends of the heating and ventilation pipes are connected with a water return pipe and a circulating pump, the circulating pump is connected with the interior of aheating box, and an energy-saving box is fixedly installed on the upper surface of a conveying box and connected with the heating box through a steam pipe. A heating circulation system is formed by the water pumping pipe, the