Your Best Choice for Furnace and Air Conditioning Repair in Butler, NJ (4)

Dan and eddy were kind, courteous and very professional. They were respectful of my home and left the work area immaculate when they were finished.

Yoon does an excellent job. He is very polite & efficient. Explains everything in detail. Thank you

Courtesy maintenance on new furnace which was awesome. Keil called in the morning to say they had an earlier opening which worked out perfectly. Randy arrived within 15 minutes and completed the job in no time.

Friendly and excellent service, replaced the part made sure it was working properly and we had our heat back.

The technician showed up on time and very polite. He did an outstanding job doing maintenance on my furnice. Keil takes great stride giving their customers the BEST quality service. Thank you

I simply decided to go with Keil because the enormous amount of positive reviews online. I might have been able to find cheaper elsewhere but it stands true for some things you get what you pay for. These guys didn't just do the job, they did the job right and then some! They were very neat, cleaned after themselves, dressed professionally, arrived on time and answered any questions I had. Other companies should take note of how it's properly done. I would definitely recommend and do business again.

I am extremely happy to have Yoon service my a.c. He is intelligent and polite. Takes the time to explain what he is doing which gives me great confidence in his ability. Thanks Yoon.

Clean installation by friendly technicians

Installation done within a couple of days of diagnosis.

Professional services

on time, very professional

Wade was very personable and flexible in meeting the needs for my equipment and space. He was able to explain what I needed in layman's terms.

Will was a very professional tech and explained to me what needed to be done without any pressure. Will was very knowledgeable about his work as well.

They came promptly

Very Satisfied