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35 Years
experience
Emergency
services
Your Trusted Partner for HVAC, Plumbing & Electrical Solutions
JM Mechanical is a family-owned and operated business that has been serving Southeastern Wisconsin for over 32 years. Our commitment to doing the job right the first time is rooted in core values of craftsmanship, integrity, and exceptional customer service. With licensed and experienced professionals, we specialize in heating, air conditioning, plumbing, and electrical services for residential and commercial clients. Every call is answered directly by the owner, ensuring personalized attention and the family-oriented approach we pride ourselves on. We offer 24/7 emergency service to address urgent needs, whether its a furnace failure in winter or an air conditioning breakdown in summer.

Our installations come with comprehensive warranties, including a 2-year labor guarantee and factory-backed parts coverage. We maintain a fully stocked fleet to complete repairs efficiently, minimizing downtime for our customers. Our expertise spans all brands and models, and we prioritize transparent communication and fair pricing. Recognized for reliability and quality, weve built lasting relationships with clients who trust us to handle their most critical systems. From routine maintenance to complex installations, JM Mechanical delivers solutions that combine technical excellence with a personal touch.
Services
HVAC Installations Plumbing Repairs Electrical Services Boiler Systems Water Heaters 24/7 Emergency Repair
Details
  • Year established: 1991
Highlights and features
  • We offer 32 years of hands-on experience in HVAC, plumbing, and electrical systems.
  • Our owner answers every call, ensuring personalized and immediate attention.
  • 24/7 emergency service for urgent heating, cooling, and plumbing issues.
  • All installations include a 2-year labor warranty plus factory-backed parts coverage.
  • Fully stocked vehicles enable fast repairs, minimizing downtime for clients.
What people say
Quick service Excellent work Reasonable pricing Owner answered call No disappointments
Services
HVAC Installations
We specialize in furnace and air conditioning installations with Bryant and Lennox systems. Our 2-year labor warranty and factory-backed parts coverage ensure long-term reliability. Custom sheet metal fabrication and professional cleanup complete every job.
Plumbing Repairs
24/7 plumbing services for leaks, drains, toilets, and water heaters. We install A.O. Smith and Bradfordwhite units with 1-year labor warranties. Emergency repairs address all residential and commercial plumbing needs.
Boiler Systems
Installation and repair of Burnham, NTI, and New Yorker boilers. Radiant in-floor heating and indirect water heater systems available. Factory warranties and 2-year labor coverage included with professional installations.
Electrical Services
Full electrical services including installations, repairs, and troubleshooting. We handle switches, outlets, lighting, and circuit issues with licensed expertise to ensure safety and code compliance.
24/7 Emergency Repair
Available 24/7 for heating, cooling, and plumbing emergencies. Fully stocked vehicles enable rapid repairs during nights, weekends, and holidays when supply houses are closed.
Questions
What services does JM Mechanical offer?
We provide HVAC installations, plumbing repairs, electrical services, boiler systems, water heaters, and 24/7 emergency repair for residential and commercial clients in Southeastern Wisconsin.
Do you offer emergency service?
Yes, we provide 24/7 emergency service for heating, cooling, and plumbing issues with fully stocked vehicles ready to respond at any hour.
What warranties do you provide?
HVAC installations include a 2-year labor warranty and factory-backed parts coverage. Plumbing and electrical services carry a 1-year labor warranty.
Are your technicians licensed?
All our employees are licensed and experienced, ensuring professional service and compliance with industry standards for every job.
How can I schedule service?
Call us directly at 414-322-7596 to speak with the owner and schedule an appointment. Mention our $25 new customer discount when booking.