Residential Services Air Conditioning Air Ducts Ductless Systems Furnaces Heat Pumps Home Automation Indoor Air Quality Maintenance Zone Control System Need HVAC Service? Contact the experts at D & D Climate Control. Call us at 281-470-8573! Request Service D & D Climate Control proudly provides HVAC service to La Porte, Deer Park, Pasadena, and the surrounding Harris County communities. Visit our service area page for more coverage details, call us at 281-470-8573, or request service online today.