Thompson Supply Company

Feb 2024

Last of a dying breed!My furnace goes out on the coldest day of the year and the repair guy quoted me 1000 bucks to change a gas valve (that he had to order). I didn't want to wait so I looked around for a local place that had the part and I came across Thompson Supply Company. They had the part in stock and at a fraction of the cost so I went to pick it up. David sold me a new gas valve with thread sealant. I'm really glad there are still HVAC places that sell to the public. You don't find a lot in St Louis. The store was very clean and organized. Definitely not what I was expecting. lol Thank You David for great customer service and a quick and easy transaction. If...read full review

Dec 2023

Had a substitute pressure switch that said would fit my furnace since the bracket and switch were the same. The electrical leads were not the same size, so had to modify my existing wiring a little bit, but the suggested substitute part worked great—got my furnace running again on a cold day saving several hundred on an emergency repair. Thanks, will remember your expertise in the future!

Jul 2023

Needed some new connectors for the compressor at the shop and they had exactly what I needed. Got the part and I was able to fix the unit the same day. Will definitely be coming back here for my HVAC needs.