Your Best Choice for Furnace and Air Conditioning Repair in Montville, NJ

Great service, knowledgeable and accommodating. Our first experience with Keil and very happy.

Arrived on time, very knowledgeable and very professional

Great service and very knowledgeable.

John did a professional job

I was very happy with the service.

Excellent Service!

They were awesome for replacing my Boiler. Fully explaining the steps needed and timelines. The crew, were nice, cleaned-up the area when complete, efficient and were more than happy to answer any questions I had about what they were doing. I used their services for my AC unit, so knew going in they would do a great job and they did not disappoint. Highly recommend..

Did the job efficiently and quietly.

All facets of the service call were excellent

service was very brief, however the technician delved into several other areas of home safety. A bit over the top..

John was very knowledgeable. Provided Excellent Service

john is an excellent technician who hasmany years of experience and is a problem solver! He knew immediately what was wrong with my a/c unit and corrected it!! I am a Keil customer for many years - they have fair pricing great service, and well qualified technicians. I highly recommend john and Keil for service weil done!

Yang arrived promptly, worked diligently & did a good job. Great service!

H Yang was very efficient and professional. I appreciated that he explained everything he was doing.

As always, professional, curtious and knowledgeable.

Yoon was polite, gracious, on time, & continuously cleaning home surfaces with Lysol wipes. I already signed up and paid for next year's service.

John was great!