Diamond Mechanical

About

Welcome to Diamond Mechanical, where comfort meets expertise. Established in 2003, we have grown to become one of San Diego's most trusted HVAC service providers. Our team handles air conditioning, furnace repair, heat pump installation, ductless systems, and more across the California area.

Services

• Heating Installation
  USD 81–468 · ESTIMATE
• Duct Cleaning
  USD 209–325 · ESTIMATE
• Refrigeration
  USD 293–676 · ESTIMATE
• Energy Audits
  USD 336–472 · ESTIMATE

Brands We Work With

Credentials

• License: LIC-87299-US (California CSLB)
• Insurance: Verified
• Background check: Passed
• Employees: 1-5
• Service radius: 29 km

Reviews (12)

• ★★★★★
  Great service!

  Very happy with the service from Diamond Mechanical. They replaced our entire HVAC system and the difference is night and day. Highly recommend.

• ★★★☆☆
  Highly recommend

  Outstanding customer service from start to finish. Diamond Mechanical went above and beyond to make sure we were comfortable.

• ★★★★☆
  Fair pricing

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

• ★★★★★
  Five stars

  After getting quotes from several companies, we went with Diamond Mechanical and glad we did. Best price and best service.

• ★★★☆☆
  Fair pricing

  Diamond Mechanical did an amazing job. The technician arrived on time, was very knowledgeable, and fixed the issue quickly. Fair pricing too.

• ★★★★★
  Highly recommend

  After getting quotes from several companies, we went with Diamond Mechanical and glad we did. Best price and best service.

• ★★★★★
  Excellent work

  Outstanding customer service from start to finish. Diamond Mechanical went above and beyond to make sure we were comfortable.

• ★★★★★
  Would use again

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

• ★☆☆☆☆
  Very professional

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

• ★★★★★
  Great service!

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

• ★★★☆☆
  Quality workmanship

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

• ★★★★★
  Reliable and fair

  Outstanding customer service from start to finish. Diamond Mechanical went above and beyond to make sure we were comfortable.