Business Details
31 Years
experience
Emergency
services
Trusted HVAC Services in Leonard, MI
Smither's Mechanical Heating & Cooling has been serving residential and commercial clients in the HVAC industry for over 30 years. Founded in 1995, our team brings decades of combined experience in heating, ventilation, and air conditioning systems. We specialize in high-efficiency replacements, furnace and AC system upgrades, and environmentally safe refrigerant systems. Our services include custom ductwork, air purification, humidifiers, and 24/7 emergency repairs. With a focus on customer satisfaction, we offer competitive pricing, transparent communication, and maintenance agreements tailored to individual needs.Our technicians are certified experts dedicated to delivering reliable solutions for homes and businesses. We pride ourselves on prompt service, technical expertise, and building long-term trust with our community. From routine tune-ups to urgent repairs, Smither's Mechanical Heating & Cooling remains committed to quality craftsmanship and energy-efficient innovations. Our reputation as a trusted local contractor is built on consistent performance and a customer-first approach.
Services
HVAC Repair
Furnace Installation
Air Conditioning Service
Emergency Heating
Ductwork Design
Air Purification
Preventative Maintenance
Thermostat Upgrades
Commercial HVAC
Water Heater Replacement
Details
- Year established: 1995
Highlights and features
- 30 years of HVAC expertise serving Leonard and metro Detroit
- 24/7 emergency repair services available year-round
- Certified technicians with manufacturer-specific training
- Competitive pricing on high-efficiency heating/cooling systems
- Custom solutions for residential and commercial properties
What people say
Above and beyond
Trusted contractors
Cost saving options
Prompt emergency service
Quality workmanship
Services
HVAC Repair
Our certified technicians provide comprehensive HVAC repair services for furnaces, air conditioners, and heat pumps. We diagnose issues with heating and cooling systems, replace faulty components, and restore optimal performance. Emergency repair services are available 24/7 to address urgent heating or cooling failures.
Furnace Installation
We specialize in high-efficiency furnace installations with options from leading manufacturers. Our team handles complete system replacements, ensuring proper sizing and installation for maximum energy efficiency. We work with natural gas, propane, and electric systems to meet residential and commercial needs.
Air Conditioning Service
Regular air conditioning maintenance ensures peak performance and longevity. Our technicians perform comprehensive tune-ups, clean coils, check refrigerant levels, and identify potential issues. We service all makes and models of residential and commercial cooling systems.
Emergency Heating
Available 24 hours a day, 365 days a year, our emergency heating service responds to urgent HVAC failures. We prioritize same-day repairs for critical heating issues during cold weather, with technicians equipped to handle all types of heating system emergencies.
Ductwork Design
Custom ductwork design and installation services optimize airflow distribution in new construction or renovations. We fabricate and install sheet metal ducts, repair leaks, and improve energy efficiency through proper system balancing and insulation.
People
Shawn McDonough
Owner
With 28 years of HVAC industry experience, Shawn McDonough founded SMC Heating & Cooling LLC in 1995. He oversees all operations and technical services, ensuring quality standards are maintained across residential and commercial projects.
Questions
What HVAC services do you offer?
We provide furnace repair and installation, air conditioning services, ductwork design, emergency heating repairs, air purification systems, and preventative maintenance for residential and commercial properties.
Are you available for emergencies?
Yes, our 24/7 emergency service responds to urgent HVAC failures. Call (248) 651-8120 for immediate assistance with heating or cooling system emergencies.
What areas do you service?
We primarily serve Leonard, Michigan and the surrounding metro Detroit area, including residential neighborhoods and commercial locations throughout Oakland and Macomb counties.
How can I schedule service?
Contact us at (586) 752-2056 during regular business hours or use our online contact form to request an appointment. Emergency services are available by phone at any time.
Do you offer maintenance plans?
Yes, we offer customized maintenance agreements with seasonal system tune-ups to improve efficiency, extend equipment life, and maintain manufacturer warranties on heating and cooling systems.
What makes you different from competitors?
Our 30+ years of local experience, 24/7 emergency availability, and personalized approach set us apart. We focus on long-term customer relationships through transparent pricing and quality workmanship.