Bay City Heating Repair Services
24/7 Emergency Support & Same-Day Heating Service
When winter settles in across Bay City and the surrounding areas, a reliable heating system becomes more than just a comfort; it’s essential for staying safe and cozy. At Custom Engineering, we’ve been serving homes and businesses throughout Bay County, Saginaw County, and Midland County since 1984. If your furnace isn’t running right or your property just isn’t heating like it used to, we’re here to diagnose and resolve the issue quickly.
As a locally owned company, we understand how unpredictable the cold can be. That’s why we offer straightforward, dependable heating repair services backed by years of hands-on experience. We work on all types of systems and use trusted parts from brands like Trane and Mitsubishi Electric to help keep your setup running smoothly.
If your heat goes out in the middle of the night, we offer 24/7 support—someone is always available to take your call, talk through the situation, and help determine if it needs emergency service. Same-day repairs are available when possible, and we’ll work with you to schedule the fastest solution based on your needs.
Contact us today at (989) 474-2870 or online and let’s get you on schedule for repairs.
Custom Comfort, Professional Care
What Makes Us Different?
At Custom Engineering, we will always put you first. That's why so many people in Linwood trust us time and again.
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Affordable Financing OptionsWe make HVAC services affordable with financing options offering 0% interest for 72 months.
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Available Nights & WeekendsNo matter when you need us, we're ready to help. Someone is always available to answer your call.
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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.
Our Heating Repair Services
Heating systems can cause problems for all sorts of reasons, such as normal wear and tear, clogged filters, thermostat glitches, or even wiring issues. If your system has issues, we’re here to pinpoint the cause and offer a solution.
We service a wide range of systems, including:
- Gas and electric furnaces
- Heat pumps
- Ductless mini-splits
- Hybrid systems
If a repair looks like the right call, we’ll move forward with it. If your system’s nearing the end of its lifespan, we can walk you through replacement options and provide a free estimate. In many cases, we’re able to complete repairs the same day, depending on availability and the nature of the issue.
Emergency Heating Repairs
Heating issues rarely happen at convenient times. We’ll talk through what’s happening, offer guidance on what to check, and work with you to decide the best next step. Whether it calls for a visit or can be handled first thing in the morning, we’re here to support you and keep things moving forward.
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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"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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"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 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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"By far the most professional and reliable company."Every employee I have had the pleasure of dealing with has been top-notch. Today's visit by Tyler for annual maintenance was great. He was punctual, friendly, and professional.- Michelle G.
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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.
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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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"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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"My experience with the company was great!"Chaz went above and beyond! He fixed my main house furnace and also advised me on my ceiling-mounted furnace in my back building. Thank you for your quick response. I will use you again!- Ann K.
Common Signs You Might Need Heating Repair
Not every heating issue starts with a full breakdown. Sometimes the signs are more subtle, but still worth paying attention to.
Here are some of the more common signs that your system might need a repair:
- Strange noises. If you’re hearing banging, rattling, or buzzing sounds, it could be a sign that something’s come loose or worn out inside your system. These noises don’t usually go away on their own, and we can take a closer look to track down what’s causing them.
- Uneven heating. If some rooms are warm while others stay chilly, there may be a problem with your system’s airflow, ductwork, or even the thermostat. We’ll check the whole setup to figure out where the heating is falling short.
- Short cycling. When your system turns on and off rapidly, it could be struggling to maintain temperature, or maybe overheating
- Rising utility bills. A spike in heating costs could signal that your system is running inefficiently due to blocked filters or other maintenance issues.
- Cold air or no heat. If your furnace or heat pump is blowing cold air—or not turning on at all—it’s a clear sign something’s wrong. Whether it’s an ignition issue, a faulty thermostat, or another problem, we’ll figure out what’s going on and talk through next steps.
- Unusual smells. A dusty smell at the start of the season is common, but if you’re noticing musty, burning, or chemical odors while the heat’s running, it’s worth having us check it out. Some smells can point to airflow or electrical issues that need attention.
Even smaller issues like these can affect your comfort over time. If something feels off, we’re happy to take a look and help you decide what makes the most sense moving forward.