Diamond Superior TempMasters

About

Welcome to Diamond Superior TempMasters, where comfort meets expertise. Established in 1976, we have grown to become one of Seattle's most trusted HVAC service providers. Our team handles air conditioning, furnace repair, heat pump installation, ductless systems, and more across the Washington area.

Services

• Commercial HVAC
  USD 316–777 · ESTIMATE
• HVAC System Design
  USD 314–759 · ESTIMATE
• Energy Audits
  USD 269–745 · ESTIMATE
• Preventive Maintenance
  USD 108–342 · ESTIMATE
• Thermostat Installation
  USD 263–736 · ESTIMATE

Brands We Work With

Credentials

• License: LIC-11995-US Verified(Washington L&I)
• Insurance: Not verified
• Background check: —
• BBB: A(3 complaints)BBB Profile
• Employees: 26-50
• Service radius: 70 km

Reviews (4)

• ★★★★☆
  Five stars

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

• ★★★★★
  Fair pricing

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

• ★★★★★
  Impressed

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

• ★★★☆☆
  Good experience

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