Sioux City, IA HVAC Contractor

Have used Brent on 7 differant jobs in the lakes region.. he has always been available to discuss projects and courteus to my customers. The jobs have been done on sched ... more

Great customer service. Knowledgeable and efficient as they serviced our furnace.

Amazing the your guy took care of me after hours! Thank you!

Prompt, timely, affordable service! Nice guys too!

Service: A/C system repair

Havent done business with them in two years

O'Connor Heating & Cooling was able to diagnose my problems with my old (30 year +) furnace immediately and recommended a new model that would be more efficient and give ... more

Superb service! Love this company. Services: Heating system installation, Thermostat repair, Heating system repair

Bill serviced our furnace. Replaced a gas valve under warranty. He knew what he was doing. Im an old Mechanical Engineer and he answered all of my technical questions ... more

Fast service

Sioux City has a secret and here it is.

That are the best

An excellent fellow is Jeff Service: HVAC system maintenance

Amazing customer service! They had my furnace fixed and running again within two hours of me calling!! Highly recommend to everyone!

I was referred to them by American Home Shield for a furnace repair. They were prompt texting me in the morning saying they would be out between two and 230 that day. ... more

T.J. was professional and knowledgable. He was thorough and expedient. Fair price for exceptional service. I call him for all of my HVAC needs!

I called and got a message on the phone " due to covid we will be closed indefinitely. Wow, ok. I'll keep shopping for a new heat pump/air conditioner unit.