National Air Systems

About

Looking for dependable heating and cooling services in Oshawa? National Air Systems offers comprehensive HVAC solutions including installation, repair, maintenance, and indoor air quality services. We serve residential and commercial clients throughout Ontario with a commitment to excellence.

Services

• Indoor Air Quality
• Ductless Mini-Split
• Thermostat Installation
• Ventilation

Brands We Work With

Credentials

• License: LIC-27238-CA Verified
• Insurance: Verified
• Background check: Passed
• Employees: 26-50
• Service radius: 35 km

Reviews (3)

• ★★★☆☆
  Best in town

  Had National Air Systems come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.

• ★★★★★
  Reliable and fair

  After getting quotes from several companies, we went with National Air Systems and glad we did. Best price and best service.

• ★★★★★
  Great service!

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