Top Heat Pump Installation Services in O'Fallon, MO

We purchased a new furnace and AC in June of 2015. The level of service was excellent start to finish. John provided great communication, didn't overprice, and delivered everything as promised.

Their name says it all! Very reliable, always do a great job, and show up when they say the will. Highly recommend!

Highly recommend; not only were they "reliable" & courteous, they also cleaned up! I will have them for all my heating and cooling needs.

Reliable is just that, reliable! Fair pricing and sensible repair/replace recommendations. Dependable after hours service. Clean installs. As an apartment manager, I've had PLENTY of experience with this company and many others in the St. Louis area. ...

Reliable Heating and Cooling is THE BEST! Their customer service is fantastic and they are so knowledgeable and HONEST with their estimates and service calls. I ONLY call Reliable.

There the best and very honest!

thank you for the honest and fast service... I would highly recommend

We have recently had Lk heating out due to a warranty company, it took them three weeks to come to our hom and stated it was our compressor, they then left our house in absolute disarray and could not get our air working. After having another company come...

Larry went above and beyond my expectations. I'm pleased I have found an HVAC contractor I can trust with many years of experience. I would recommend LK Mechanical!

Larry has taken care of every problem I have had at my home and my parents home. He is fast reliable and does quality work. Explains everything in detail. Would recomend him to anyone.

Larry came to install gas logs we purchased from Lowes. He was very respectful of our home. He placed throws on the floor to protect the carpet and catch any debris. He cleaned up completely and thoroughly. Our logs were defective and we had to have L...

L K Mechanical has always treated myself and my family well, he's thorough and explains what he needs to do and why