AL-DON Indoor Air Quality Specialists

Leah B 

on Google

6 days ago

Jeff and his team did the impossible - made our upstairs comfortable in the summer! We have a mid-century split level that was built to warm, not cool down and with the hot summers, it was becoming unbearably warm. Jeff came out with his experts and developed a zone system that was both affordable and effective. And everyone was so professional and nice!! I cannot thank his team enough!! Highly recommend. 

John Koenig 

on Google

3 weeks ago

Al-Don has done a ton of work for us and Jeff and his team always deliver. Ed, Boyan, and the rest of the crew all work diligently and professionally to make sure the job gets done right. We’ve used them extensively for servicing our radiators, and are very happy with our new boiler and indirect water heater. 

Andrew Karandjeff 

on Google

2 months ago

I have been using Al-Don since we moved back to St. Louis 5 years ago. I have had nothing but good experiences. Quick to respond in an emergency. They make recommendations but aren’t pushy about it. When we had to replace our furnace, they explained why the one we had was incorrect for our house and ensured that we were right sizing. Highly recommend them. 

Laura Schukar 

on Google

3 months ago

Very knowledgeable, friendly, honest and prompt. I will refer Al-Don to others in the future.