Very quick and thorough

Susan from Geneva, IL

Prompt arrival, great service, good explanation of problem

Oberholz from Geneva, IL

Courteous, knowledgeable technician

Marilyn from Geneva, IL

All work done efficiently with excellent final result.

Very confident in this company

GE from Geneva, IL

Very careful and complete check of the furnace system

VINCE from Geneva, IL

Nick was pleasant, explained what he was doing and answered my questions. Thank you.

Quick professional service.

Barrows from Geneva, IL

Arrived as scheduled, thoroughly checked furnace.

Fall Furnace Hot Water Heater Service

WILLIAM from Geneva, IL

Everything went well, glad to get air out of hot water lines. Just one glitch, next morning after service furnace wouldn't come on. Discovered tech didn't turn on switch that had been switched off during his work. Next time make sure furnace comes on before leaving.

Great Service!

GENEVA from Geneva, IL

Black Diamond always goes above and beyond which is why we continue to use them for all our plumbing and electrical needs!

very pleased

Gerda from Geneva, IL

Clay was very professional and courteous. I feel very confident with the service provided by Black Diamond. Thank you! I have