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For more than 35 years, Weir Heating and Cooling has been serviced the Missouri and Illinois Bi-State area. We offer residential and commercial customers the opportunity to receive high quality heating and cooling system installations and HVAC repairs. All of our staff members place the customers' desires at the forefront and go the extra mile when it comes to service. We strive to be timely and leave our customers well-informed about their new or repaired system. Call us today to learn more about our heating and cooling repair and installation services!