Crestside Ballwin Heating & Cooling

Reviews

• BD

  Bob Davis

  Aug 21, 2025
  5.0
  Excellent service. On time. Been buying their products & service for a decade. Very competitive pricing.
• ET

  Emily Tetrault

  Jul 7, 2025
  5.0
  When our A/C went out in a heat wave, I called several companies and Crestside was able to send someone out same day and fixed our A/C! The tech was great and also gave great pointers for maintenance and keeping our system running well - super helpful for a first time homeowner.
• DB

  Danielle Benematti

  Feb 8, 2024
  5.0
  I found myself without heat and navigating needing a new system. Not only did they have the best price, the customer service far exceeded any expectations. Zero pressure, no trying to upsell things. They were able to accommodate next day installation and made financing super easy. They team was quick, pleasant and tidied everything up at the end of installation. Would happily work with them for any future needs!
• JT

  Jackie Timmons

  Apr 8, 2019
  5.0
  We bought our Lennox furnace and air conditioner in 1998 from Crestside. Jason has been maintaining them for the past 11 or 12 of those 21 years. We have had very little problems with either unit. If something did happen, Crestside would be here and repair it the same day. We have been very impressed with Jason and everyone at Crestside. When the time comes to replace our system, you can bet we will buy another from them.