Emergency HVAC Service for Bay City
Emergency Heating & Cooling Backed by Local Experience Since 1984
When a furnace, air conditioner, heat pump, boiler, or ductless system fails, indoor comfort and property conditions can change quickly. We provide one clear service path for urgent residential and commercial heating and cooling problems throughout Bay City and nearby Mid-Michigan communities.
We’ve served the region since 1984, and we take emergency calls to gather information and explain the next step. Same-day service may be available depending on scheduling and operational availability. If there’s a fire, gas odor, carbon monoxide alarm, or another immediate threat to life or property, leave the building and contact emergency services before requesting HVAC assistance.
Call (989) 474-2870 to discuss the problem and request emergency HVAC repair.
Heating & Cooling Systems We Service During Emergencies
Our licensed and insured HVAC professionals work on residential and commercial equipment from major manufacturers. As an authorized Trane dealer and a Mitsubishi Electric Ductless Pro Elite Contractor, we bring manufacturer-backed knowledge to conventional and ductless systems.
We service urgent problems involving:
- Furnaces: No-heat conditions, rapid cycling, ignition issues, unusual noises, and burning odors
- Central air conditioners: Warm air, weak airflow, frozen coils, repeated shutdowns, and water near the air handler
- Heat pumps: Loss of heating or cooling, icing, unusual operation, and thermostat-related problems
- Ductless mini-splits: Error codes, poor output, leaks, and individual zone failures
- Boilers: Loss of heat, unusual sounds, leaks, and inconsistent performance
When you call, note the equipment type, thermostat display, recent symptoms, visible leaks, and unusual sounds. These details give us useful context before we inspect the system.
Signs You Need Prompt Heating or Air Conditioning Repair
A complete loss of heating or cooling warrants a service call, but equipment can require attention before it stops working. Changes in sound, airflow, cycling, temperature, or electrical operation may indicate a developing failure.
Urgent HVAC Warning Signs
Request service promptly if you notice:
- No heat during cold weather or no cooling during high temperatures
- Warm air from an air conditioner or cool air from a heating system
- Burning odors, grinding, banging, buzzing, or other unusual sounds
- Frozen coils, visible leaks, or water near the furnace or air handler
- Rapid cycling, repeated shutdowns, or a thermostat that loses power
- A breaker that trips repeatedly while the equipment operates
Don’t keep resetting a tripped breaker or attempt an improvised repair around exposed wiring, refrigerant lines, or wet electrical components. If a carbon monoxide alarm sounds, evacuate and contact emergency services before any HVAC troubleshooting begins.
Custom Comfort, Professional Care
What Makes Us Different?
Clear Diagnosis & Practical Repair Options
An urgent service call shouldn’t leave you confused about the equipment or proposed work. We assess the system, explain our findings, and review pricing before work begins. Our recommendations reflect the equipment’s condition, the property’s needs, and any immediate safety concerns, without sales pressure.
If repair is practical, we can explain the affected component and the work required. If an aging or heavily damaged system makes replacement worth considering, we can review that option and provide a free estimate for a new installation. Extended warranty options can add equipment and labor protection beyond standard coverage.
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Convenient Financing Options
We make HVAC services manageable with convenient financing options. Subject to credit approval.
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Preventative Maintenance PlansKeep your system in perfect shape all year round with our programs.
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Locally Owned & OperatedAs a proud Michigan company, we deliver honest, dependable HVAC services backed by local expertise and care.
Emergency Heating & Cooling Across Bay City and Mid-Michigan
We serve homes and commercial properties in Bay City, the county seat of Bay County and part of the Great Lakes Bay Region. Our service area extends across Bay County, Saginaw County, Midland County, and nearby communities such as Midland, Saginaw, Kawkawlin, Essexville, Freeland, Linwood, Pinconning, Gladwin, and Roscommon.
At home, an HVAC failure can mean no heat during cold weather, no cooling during high temperatures, water near equipment, or a sudden change in indoor comfort. In a commercial building, a failure may affect occupants, customer areas, inventory, production spaces, and daily operations. Our diagnosis accounts for the equipment problem and its effect on the property.
Trusted by homeowners and Businesses Since 1984
At Custom Engineering, your satisfaction is our priority! See for yourself what our customers have to say about working with us.
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"So grateful to them!"I needed help, and Custom Engineering got to me fast and saved the day. Nick, the technician, was great. He was personable and intelligent and he got my repair done super fast. Thanks, Custom Engineering!- James T.
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"I don't know what I do without this company!"Chaz did an amazing job - straightforward and very helpful. Jason and Trey set up the furnace a week ago, and it runs amazingly! It's nice to stay warm again. They just repaired and replaced my bathroom exhaust fan, too. Thank you again!- Cesily W.
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"They did a great job!"We went through custom engineering for replacing our furnace and air conditioner. They went above and beyond to do what is best for our home. The whole team was respectful and informative. They answered any questions we had!- Allison E.
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"They did an excellent job - all in one day!"I always try to keep my business local, so I called Custom Engineering. They always answered my calls promptly, and the service was friendly with experienced technicians. They were prompt, courteous, and really put my fears to rest. Great job!- Debbie M.
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"They have been an excellent company to work with."Always courteous & competent. They installed a new furnace, AC, garage gas heater, and ran a gas line into our laundry room. They stayed on the job until all was completed and we were extremely satisfied.- Terrance V.
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"Nick was fantastic!"He got our furnace up and running again very quickly (on a Saturday!). Very personable and professional! We will definitely be using Custom Engineering Heating & Cooling again - thank you!- Krista W.
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"Custom Engineering took care of us right away!"Our initial call was after hours and not an emergency. We received a call first thing the next morning, and they came out within a few hours. Both gentlemen were very professional and knowledgeable, and were able to repair our furnace right then and there.- Reid K.
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"This business is the best!"We bought our kitchen hood system from them, which they also installed (no small task). They are dependable, efficient, and do great work. Prices are what I would expect for the job. Don't hesitate to hire them.- Marinell S.
What to Expect When You Call for Urgent Service
We’ll ask about the system, current symptoms, and any safety concerns. One of our technicians can then inspect the equipment, identify the failed component or condition, and explain the findings and pricing before work begins.
Our recommendation may depend on:
- The age and current condition of the equipment
- The system’s repair history and extent of damage
- The availability of appropriate replacement parts
- Any electrical, combustion, drainage, or equipment safety concern
- The heating and cooling needs of the property
Repair may make sense when the affected component can be corrected and the rest of the system remains serviceable. If replacement deserves consideration, we can discuss equipment choices, provide a free installation estimate, and review available extended warranty protection.