Keep Your Home Comfortable Year-Round

Licensed HVAC technicians deliver honest pricing and heating and cooling solutions built for Michigan's climate.

Serving all of the 

Lansing, MI area

Treadwell Mechanical - Heating & Cooling serves Lansing families and homeowners with HVAC services designed for Michigan's demanding four-season weather. Whether you're upgrading an aging furnace, installing a new air conditioner, or scheduling preventive maintenance, you'll work with licensed technicians who explain every step and respect your schedule.


Licensed HVAC technicians provide straightforward assessments and honest pricing so you know exactly what's needed before work begins. You'll receive clear timelines, energy-efficient equipment recommendations, and follow-up support that keeps your system running smoothly. From emergency repairs during winter cold snaps to spring tune-ups that prevent summer breakdowns, every service is completed with attention to detail and respect for your home.


Lansing's family neighborhoods and proximity to Lansing-area employers mean homes here need reliable comfort year-round. Treadwell Mechanical - Heating & Cooling understands local code requirements, seasonal humidity challenges, and the importance of fast response when systems fail. Your comfort matters, and it's backed by quality workmanship and ongoing service you can count on.


Contact us today to schedule your HVAC service in Lansing and experience the difference honest communication makes.

Stay Comfortable Through Every Michigan Season

Expert HVAC services in Lansing with licensed technicians and honest pricing tailored to local climate

HVAC System Installation

Comfort and Efficiency Built to Last Through Every Michigan Season

HVAC System Repair

Restore Comfort Fast When Your Heating or Cooling Fails

Tankless Water Heater Installation/Repair

Endless Hot Water and Energy Savings for Your Home

HVAC Preventive Maintenance Plans

Reduce Breakdowns and Extend System Life with Routine Care

Fast Response When You Need It
Reliable service backed by straightforward communication and energy-efficient equipment options you can trust.

Comprehensive Heating and Cooling Services

Your home deserves comfort solutions that work reliably through every season, from freezing January nights to humid August afternoons. We're here to help you select the right equipment, maintain system performance, and respond quickly when unexpected issues arise.


Our team coordinates every detail, from permitting and installation to final testing and thermostat programming. You'll receive clear explanations, documented scope, and follow-up support that keeps your investment protected.

Services include:


  • HVAC System Installation with energy-efficient equipment matched to your home's square footage and insulation
  • HVAC System Repair for furnaces, air conditioners, and heat pumps with fast diagnosis and honest recommendations
  • Tankless Water Heater Installation/Repair and traditional Water Heater Repair/Maintenance & Replacement for reliable hot water
  • Ductwork Inspection/Repair & Insulation Upgrades addressing air loss common in Lansing's older housing stock
  • Smart Thermostat & Home-Automation Integration for better control and lower utility bills
  • Heat Pump System Installation/Repair offering efficient heating and cooling in one unit
  • Indoor Air Quality Solutions including filtration and humidification for healthier indoor environments
  • HVAC Preventive Maintenance Plans with scheduled tune-ups that extend equipment life
  • Emergency/After-Hours HVAC Service when heating or cooling failures can't wait until morning


Reach out now to discuss heating and cooling solutions for your Lansing home.

Treadwell Mechanical - Heating & Cooling brings local expertise to every job, understanding Lansing's mix of family neighborhoods, rental properties near MSU, and the steady turnover that drives frequent HVAC upgrades and repairs. Service responsiveness and quality workmanship are consistently noted by customers who value clear communication and dependable results. Licensed technicians follow Michigan code requirements and deliver installations and repairs built to last.


You'll receive honest assessments, transparent pricing, and solutions tailored to your budget and comfort goals. Whether you're upgrading to a high-efficiency system or scheduling seasonal maintenance, every interaction is grounded in respect for your time and investment.


Call us in Lansing to schedule your heating and cooling service and experience fast response paired with reliable, energy-efficient comfort solutions.

Why Lansing Homeowners Choose Us