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45 Years
experience
Emergency
services
Your Trusted HVAC Partner in Lansing, MI
A-1 Mechanical has served the Greater Lansing and Grand Rapids areas since 1981, delivering reliable HVAC solutions rooted in technical excellence and customer-centric service. Our team of NATE, EPA, and ACCA-certified technicians specializes in air conditioning, heating, and indoor air quality systems, offering installations, repairs, and maintenance for residential and commercial clients. With over 60 employees and a fully stocked service fleet, we prioritize rapid response times and transparent pricing, ensuring minimal system downtime and maximum comfort.

Our 24-hour emergency service and Comfort Club maintenance plans reflect our commitment to long-term customer satisfaction. Backed by industry-leading certifications and partnerships with organizations like BPI and ACCA-QA, we combine cutting-edge technology with personalized service to meet Michigan's unique climate challenges.
Services
Air Conditioning Heating Indoor Air Quality Maintenance Plans Emergency Services
Details
  • Year established: 1981
Highlights and features
  • Our NATE-certified technicians ensure industry-leading HVAC expertise
  • 24/7 emergency service for urgent heating and cooling needs
  • Transparent pricing with no hidden fees or surprise costs
  • Over 40 years of combined experience in Michigan's climate challenges
  • Financing options available for major repairs and installations
Associations and certifications
  • NATE
  • EPA
  • ACCA
  • BPI
  • ACCA-QA
What people say
Extremely professional Quick repair Knowledgeable technician Transparent pricing 24/7 availability
Services
Air Conditioning
We provide comprehensive air conditioning services including system installations, repairs, and maintenance. Our technicians ensure optimal cooling performance through diagnostics, part replacements, and system tune-ups. Serving residential and commercial clients with prompt, reliable service during Michigan's warmest months.
Heating
Our heating services cover furnace and heat pump installations, emergency repairs, and seasonal maintenance. Technicians use advanced diagnostics to restore warmth quickly during Michigan winters. We service all major brands and offer energy-efficient heating solutions for homes and businesses.
Indoor Air Quality
We improve indoor air quality through air purifiers, humidifiers, and ventilation systems. Our solutions address allergens, humidity imbalances, and poor circulation. Systems integrate with existing HVAC equipment to create healthier living and working environments.
Maintenance Plans
Our Comfort Club offers customized maintenance plans with seasonal system inspections. Benefits include extended equipment lifespan, reduced repair needs, and improved energy efficiency. Plans include priority scheduling and discounts on repairs.
Emergency Services
We provide 24-hour emergency HVAC service for urgent heating and cooling failures. Technicians respond promptly to critical system outages with after-hours availability. Emergency repairs prioritize restoring comfort and preventing property damage.
Questions
What HVAC services do you offer?
We provide air conditioning, heating, and indoor air quality services including installations, repairs, maintenance, and 24/7 emergency support for residential and commercial clients.
Do you offer emergency HVAC service?
Yes, we provide 24-hour emergency HVAC service for urgent heating and cooling system failures with rapid technician response times.
Are your technicians certified?
All technicians hold industry certifications including NATE, EPA, and ACCA-QA, with specialized training in HVAC systems and energy-efficient solutions.
What areas do you serve?
We serve Lansing, Grand Rapids, and surrounding Michigan communities including East Lansing, Okemos, Williamston, and Holt.
Do you offer financing options?
Yes, we offer financing for HVAC repairs exceeding $1,000 with flexible monthly payments and fast approval processes.
What maintenance plans are available?
Our Comfort Club offers customized maintenance plans with seasonal system inspections, priority scheduling, and repair discounts to maximize HVAC efficiency and longevity.