Diamond Willow Mechanical is a family-owned and operated HVAC provider in Cochrane, NW Calgary, and the Foothills region, offering residential and light commercial heating, ventilation, and air conditioning (HVAC) products and services. Our team of experienced technicians provides friendly, honest, and dedicated installation and maintenance services for all HVAC needs, including air conditioning, boilers, fireplaces, furnaces, gas and wood stoves, and water heaters. With over 25 years of experience, we are fully licensed and bonded, and maintain a BBB A+ rating.