Diamond Seattle AirTech

About

Diamond Seattle AirTech is a full-service HVAC contractor based in Seattle, Washington. Since 1970, we have built a reputation for honest, dependable service. Whether you need a new furnace installation, air conditioner repair, or a complete HVAC system upgrade, our factory-trained technicians are ready to help.

Services

• AC Repair
  USD 293–346 · ESTIMATE
• Emergency Services
  USD 155–435 · ESTIMATE
• Geothermal Systems
  USD 330–612 · ESTIMATE
• Ductless Mini-Split
  USD 194–574 · ESTIMATE

Brands We Work With

Credentials

• License: LIC-31630-US (Washington L&I)
• Insurance: Verified
• Background check: Passed
• Employees: 11-25
• Service radius: 34 km

Reviews (9)

• ★★☆☆☆
  Highly recommend

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

• ★★★☆☆
  Excellent work

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

• ★★★☆☆
  Outstanding service

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

• ★★★★★
  Excellent work

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

• ★☆☆☆☆
  Best in town

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

• ★★★★☆
  Would use again

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

• ★★★★★
  Quality workmanship

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

• ★★★★★
  Great service!

  The team from Diamond Seattle AirTech was friendly and efficient. They completed the AC installation ahead of schedule. Very satisfied.

• ★★★★★
  Friendly and efficient

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