About M&M Mechanical

M & M Mechanical guarantees the best products and services every time we enter your home. We strive to provide our customers with the best advice and information when it comes to your in home mechanicals. We promise to provide the highest quality of workmanship at a reasonable price.

M & M Mechanical was established in 1997 and is located in Fleetwood, Pennsylvania. We are an HVAC and plumbing contracting company, servicing all your residential mechanical needs in Berks County.

We have an in-house sheet metal shop that includes:

  • Plasma cutting machines
  • Hydraulic bender
  • Pittsburgh machines
  • Quadformer
  • Automatic insulation cutting machines
  • Various brakes, benders and welders

Jennifer Mott


Jennifer has over 20 years experience as an administrative/business owner. In addition, she has spent time as an electrician’s assistant, a commercial painter and 4 years in clerical, bookkeeping and secretarial work. She has a Bachelor’s Business Administration degree from James Madison University.

Michael Mott

Vice President

Michael has over 35 years of experience in HVAC sheet metal fabrication trade for residential, industrial and commercial applications. He started his career by attending a 4 year apprenticeship program in sheet metal fabrication and has worked in the HVAC field ever since. Michael has been a business owner for more than 20 years.

Brian Watkins

HVAC Project Manager

Brian has over 28 years experience in the commercial and industrial HVAC field. Brian started off as an install helper and quickly moved up to a project foreman before becoming a project manager, which he has been doing for the last 12 years.

Nate Haueisen

Plumbing Project Manager

Nate has 40 years of experience in the plumbing trade working in residential, industrial and commercial applications. Nate graduated from the plumbing apprenticeship program in 1988 and taught the plumbing apprenticeship program from 1996 thru 2002. Nate has been running projects since 1984. He currently holds a master plumbing license.

Greg Sweigart

Commercial HVAC Estimator

Greg has over 40 years experience working in the plumbing and HVAC industry. He started out as a plumbers helper in high school and furthered his career after graduation. For the last 8 years Greg has been involved in the residential and light commercial HVAC business, assisting homeowners in making the best decisions to satisfy their HVAC needs. Greg uses a common sense approach when choosing replacement equipment.

Nathan Macri

HVAC Service Manager

Nathan has over 18 years experience in the HVAC and plumbing industry. He attended UTI and received an Associate of Occupational Studies Degree in air conditioning and refrigeration technology. After completing school he went into the field and was an installer, installing residential and commercial equipment. Once Nathan gained a handle on installing equipment, he moved into servicing and was responsible for maintaining a wide variety of residential and commercial equipment over the last 14 years. He has recently made the next step in his career accepting the position he is currently in.

Adam Duncan

Commercial Sales Estimator

Adam has over 10 years of experience in HVAC for industrial and commercial applications. He started his HVAC career with M&M Mechanical as an apprentice. After four years at M&M he became a foreman for commercial installations. In his eighth year at M&M Mechanical, he moved into the office as the Commercial HVAC estimator.