Diamond Heating & Cooling

About

Locally owned and operated, Diamond Heating & Cooling is your trusted source for professional HVAC installation, repair, and maintenance in Ottawa and the greater Ontario region. With over 22 years of experience, our certified technicians handle everything from emergency AC repairs to complete system replacements.

Services

• AC Repair
  CAD 214–514 · ESTIMATE
• Duct Cleaning
  CAD 109–280 · ESTIMATE
• Heat Pump Services
  CAD 160–507 · ESTIMATE
• Heating Repair
  CAD 399–713 · ESTIMATE

Brands We Work With

Credentials

• License: LIC-17830-CA Verified
• Insurance: Verified
• Background check: —
• Employees: 26-50
• Service radius: 22 km

Reviews (9)

• ★★★★★
  Best in town

  We have used Diamond Heating & Cooling for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.

• ★★☆☆☆
  Would use again

  We have used Diamond Heating & Cooling for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.

• ★☆☆☆☆
  Reliable and fair

  The team from Diamond Heating & Cooling was friendly and efficient. They completed the AC installation ahead of schedule. Very satisfied.

• ★★★☆☆
  Would use again

  The team from Diamond Heating & Cooling was friendly and efficient. They completed the AC installation ahead of schedule. Very satisfied.

• ★★★☆☆
  Friendly and efficient

  Called Diamond Heating & Cooling for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.

• ★★★★★
  Good experience

  Diamond Heating & Cooling installed a new furnace for us last month. Great communication throughout the process and the crew was very respectful of our home.

• ★★★☆☆
  Good experience

  The team from Diamond Heating & Cooling was friendly and efficient. They completed the AC installation ahead of schedule. Very satisfied.

• ★★★★★
  Good experience

  Diamond Heating & Cooling diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.

• ★★★★☆
  Quality workmanship

  Had Diamond Heating & Cooling come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.