Bay City AC Services
Stay Cool with Dependable AC Solutions in the Great Lakes Bay Region
When summer hits Bay City, Saginaw, or Midland, no one wants to be stuck sweating indoors. Whether you’re trying to keep an older system running a little longer or considering upgrading to something more efficient, we’ve been helping folks across the Tri-City area stay comfortable for over 40 years.
We offer a full range of air conditioning services, from repairs and replacements to seasonal tune-ups and brand-new installations. As a local company based in Bay City, we understand how unpredictable Michigan weather can be. One day it’s cool, the next you’re cranking the AC. That’s why we offer same-day service when available and always pick up the phone 24/7 if you’re unsure what’s going on with your system.
Our team will explain your options, provide a free estimate on installations and replacements, and back our work with a 5-year labor warranty.
Call Custom Engineering today at (989) 474-2870 and schedule an appointment.
Why Choose Custom Engineering?
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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.
Custom Comfort for Every Season
Our Cooling Services
Energy Efficiency & Indoor Comfort
High-Efficiency AC Units
We offer energy-efficient systems with high SEER ratings that help reduce your energy use without sacrificing comfort. Better efficiency can mean lower utility bills over time, whether you're cooling one room or the whole house.
Programmable Thermostats
Adding a programmable thermostat can help you get more control over your indoor climate, cooling when it matters, and saving when it doesn’t. We can help you choose and install a model that works well with your system.
Indoor Air Quality Solutions
Good air conditioning isn’t just about temperature. It also supports clean, breathable air. We offer air purification and filtration options, including whole-home solutions that reduce allergens, pollutants, and dust. These are especially helpful in older homes or households with allergy concerns.
Choosing the Right AC System
No two homes or properties are exactly alike, so your cooling system should be tailored to your space.
We’ll help you think through:
- Size and layout of your home
- Insulation and airflow
- Ductwork condition or lack of ducts
- Energy-efficiency goals
- Budget and financing options
Whether you're looking at a traditional central air setup or considering the flexibility of a Mitsubishi Electric ductless mini-split, we’ll help you compare the pros and cons based on your home.
Let’s Talk About Your AC Needs
Whether you’re ready for an upgrade or just have questions about how your system is running, we’re always happy to discuss it. Call us today for a free estimate on installations and replacements.
Call (989) 474-2870 or contact us online to schedule AC service in Bay City, Saginaw, Midland, or nearby. We’re always here to help.
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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 really came through!"Quick, efficient, and friendly service from both office staff and techs. Fair pricing. Grateful for their help on a freezing day when our furnace failed. Feared the worst. Highly recommend this company!- Tammie 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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"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.
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"10/10 Service!"Had Customer Engineering come out to my restaurant to diagnose my furnace and walk-in freezer. Brandon and Skylar, the techs, were amazing. Extremely friendly and knowledgeable. I will be using them for all my HVAC needs moving forward.- Taylor A.
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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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"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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"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.