Capital St. Louis Air Systems

About

Locally owned and operated, Capital St. Louis Air Systems is your trusted source for professional HVAC installation, repair, and maintenance in St. Louis and the greater Missouri region. With over 4 years of experience, our certified technicians handle everything from emergency AC repairs to complete system replacements.

Services

• Duct Cleaning
  USD 247–640 · ESTIMATE
• Heating Repair
  USD 90–468 · ESTIMATE
• Ductless Mini-Split
  USD 126–264 · ESTIMATE
• Radiant Heating
  USD 163–523 · ESTIMATE
• Ventilation
  USD 225–568 · ESTIMATE

Brands We Work With

Credentials

• License: LIC-27498-US Verified(Missouri DED)
• Insurance: Verified
• Background check: Passed
• BBB: B(15 complaints)BBB Profile
• Employees: 26-50
• Service radius: 55 km

Reviews (12)

• ★★★★★
  Excellent work

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

• ★★★☆☆
  Reliable and fair

  We have used Capital St. Louis Air Systems for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.

• ★★★★☆
  Reliable and fair

  Very happy with the service from Capital St. Louis Air Systems. They replaced our entire HVAC system and the difference is night and day. Highly recommend.

• ★★★★☆
  Great service!

  Very happy with the service from Capital St. Louis Air Systems. They replaced our entire HVAC system and the difference is night and day. Highly recommend.

• ★★★★★
  Top notch

  Capital St. Louis Air Systems diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.

• ★★★★★
  Excellent work

  We have used Capital St. Louis Air Systems for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.

• ★★★★★
  Highly recommend

  Capital St. Louis Air Systems diagnosed and fixed our heating issue when two other companies couldn't figure it out. True experts.

• ★★★★★
  Quality workmanship

  We have used Capital St. Louis Air Systems for years and they never disappoint. Honest pricing, quality work, and they always clean up after themselves.

• ★★★☆☆
  Very professional

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

• ★★★☆☆
  Five stars

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

• ★★★☆☆
  Best in town

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

• ★★★★★
  Quality workmanship

  The team from Capital St. Louis Air Systems was friendly and efficient. They completed the AC installation ahead of schedule. Very satisfied.