Furnace repair, AC service, geothermal & more — available 24/7 for emergencies across Mecosta & Newaygo Counties.
Keep your business comfortable, efficient, and operational with professional commercial HVAC services.
Protect your HVAC investment long after the manufacturer warranty expires.
Protect your heating and cooling investment with a professional service agreement.
Regular HVAC maintenance helps prevent unexpected breakdowns, improve energy efficiency.
The air inside your home can contain dust, allergens, pet dander, mold spores, and other pollutants.
For over 55 years, Stratz Heating & Cooling has been the name Michigan homeowners turn to when comfort is on the line. We’re not a call center — we’re your neighbors.
No heat at midnight? We answer. Real technicians, real fast.
Factory-authorized to install and service Trane systems — the highest dealer designation.
One of the few MI contractors certified in WaterFurnace/Trane geothermal systems.
Don’t let cost delay comfort. We offer financing options to fit your budget.
Family-owned and operated since 1970. We live and work in this community.
All technicians are fully licensed, background-checked, and trained to handle any system.
New system or unexpected repair — we offer flexible financing so you never have to wait for a comfortable home.
Get a no-obligation quote on any new HVAC system installation. No pressure, just honest answers.
Check our current specials on tune-ups, equipment, and service agreements — updated regularly.









No heat in a Michigan winter. No AC during a summer heat wave. We understand how urgent that is — which is why we never let a call go to voicemail. Real technicians, available right now.
Call, schedule online, or fill out the form — we’ll respond quickly and get your comfort restored.
(231) 796-3717
Big Rapids, MI & surrounding communities
24/7 Emergency · Office: Mon–Fri 8am–5pm
We typically respond within 1–2 hours during business hours. For emergencies, call (231) 796-3717.