Our Team

The technicians and staff at Brennan Heating & AC, Inc. are a dedicated group of individuals, working together as a team to ensure quality work and customer satisfaction.

Owners
Mike Sieving
Mike Sieving has worked at Brennan's for 15 yrs. He is a co-owner of Brennan's. He is a Sheet Metal Worker, he is also a Fabricator, Welder, Installer, Estimator, and also a Plant Supervisor.
Kim Sieving
Kim Sieving is the Daughter of Richard Brennan and Mary Lee Brennan. She has been with Brennan's for 30 years. She is the President of Brennan's, she is a book keeper, an accountant, and she is the face behind the phone.
Mary Lee Brennan
Mary Lee Brennan has been with Brennan's for 54 years. She is the treasurer of the Corporation.
Chris Cisne
Chris Cisne has been with Brennan's for 14 yrs. He is a Pipefitter, Estimator, and also co-owner.

Team Members
Richard Koehler
Richard Koehler has been with Brennan's for 31 yrs. He is a Sheet Metal Worker, Fabricator, Installer and a Welder.
Danny Knight
Danny Knight has worked for Brennan's for 28 yrs. He is a Shop Supervisor, a Sheet Metal Worker, a Estimator, a Fabricator, a Mechanic, and a Welder.
Joe Caldwell
Joe Caldwell has been with Brennan's for 20 yrs. He is a Sheet Metal Worker, a Welder, Fabricator, a Mechanic, and has also had Heating Ventilation Air Conditioner (HVAC) experience.

CHRIS CISNE
Sales/Design Consultant

SCOTT NORWALL
Sheet Metal Worker

TOM GUTHRIE
Service Technician