Water Heater Repair, Replacement, and Installation in Metro Detroit
No hot water, rusty water, a puddle under the tank, or a unit that runs out halfway through the second shower. Drain Detectives repairs and installs both conventional tank water heaters and tankless systems for homes and businesses across Macomb, Oakland, Wayne, and southern St. Clair County. Licensed, bonded, and insured, working out of Fraser, Michigan, with installations completed to code and permitted where your city requires it.
- Tank & tankless
- Gas and electric
- Permitted and inspected
- Residential & commercial
- 24/7 emergency response
Water pooling under the tank? Shut off the water supply at the valve above the heater and cut the gas or breaker. A tank that has started leaking from the shell does not get repaired, and it does not wait.
(586) 296-0036 (248) 645-2448Tank or Tankless
Both are good systems. They fail differently, cost differently, and suit different houses. Anyone who tells you one is simply better has not asked about your house yet.
| Tank (storage) | Tankless (on demand) | |
|---|---|---|
| How it works | Keeps 40 to 75 gallons heated and ready around the clock | Heats water only as it flows, with no stored reserve |
| Upfront cost | Lower equipment and lower installation cost | Higher, and the gap widens if gas, venting, or electrical need upgrading |
| Typical service life | Commonly 8 to 12 years | Commonly 20 years or more with regular descaling |
| Running out of hot water | Yes, once the tank is drawn down it needs recovery time | No, but flow rate is capped, so simultaneous demand is the limit instead |
| Space | Sizeable floor footprint | Wall mounted, frees up floor space |
| Install requirements | Usually a straight swap when replacing like for like | Often needs a larger gas line, new venting, and a condensate drain |
| Maintenance | Annual flush, periodic anode rod check | Annual descaling, which matters more here than in soft water regions |
| Best suited to | Straight replacements, tighter budgets, steady predictable demand | Long-term ownership, space constraints, households that run out of hot water |
What Michigan Winters Do to Tankless Sizing
This is the single most common mistake we see, and it is specific to cold climates. A tankless heater is rated by how much water it can raise to temperature per minute, and that rating depends entirely on how cold the incoming water is.
In a warm state, groundwater arriving at the house might already be in the 60s or 70s. In Southeast Michigan in February it can arrive in the 40s. To deliver a comfortable shower you need to raise it 60 to 80 degrees rather than 30 or 40, and every tankless unit delivers substantially less flow at a larger temperature rise.
What that means in practice: a unit advertised at a headline gallons-per-minute figure will deliver noticeably less than that on a Michigan winter morning. A tankless system sized off the box rather than off a winter temperature rise is how people end up with a system that works beautifully in September and disappoints in January.
We size tankless on the cold-weather rise and on how many fixtures your household genuinely runs at once, not on the marketing number. If a properly sized unit does not fit your gas supply or your budget, we will tell you that a tank is the better answer for your house.
What Each System Involves
Tank water heaters
The conventional system, available in gas and electric. For most replacements this is a straightforward swap that restores hot water the same visit.
Rough sizing guide- 40 gallon: smaller households, one to two people, one full bathroom
- 50 gallon: the common family size, two to four people
- 75 gallon and up: larger households, multiple bathrooms, heavy simultaneous use
- Repair of thermostats, heating elements, gas control valves, and ignition
- Full replacement including proper disposal of the old unit
- Temperature and pressure relief valve, drain pan, and expansion tank where required
- Annual flushing to clear sediment, which matters with our water
Tankless water heaters
Wall mounted, heats on demand, no stored tank to run out or eventually fail and flood a basement. The tradeoff is a more involved installation.
What the install often requires- A larger gas line, because a tankless unit draws far more BTU than the tank it replaces
- New venting suited to the unit type, plus a condensate drain on condensing models
- Whole-home electric tankless is rarely practical in older homes, since the electrical service required is beyond what most panels here can supply
- A permit and inspection in most municipalities
- Annual descaling is not optional with Michigan water, and manufacturers commonly require it to keep the warranty valid
- Sizing must account for winter incoming water temperature, not the headline rating
What Your Water Heater Is Telling You
| What you notice | Usually means | Repair or replace |
|---|---|---|
| No hot water at all | Failed heating element or thermostat on electric, pilot or gas control failure on gas | Usually repairable |
| Hot water runs out much faster than it used to | Sediment occupying tank volume, or a failed lower element on an electric unit | Flush or repair, replace if the tank is aging |
| Rumbling or popping from the tank | Water boiling under a sediment layer on the tank floor | Flush now, and treat it as a warning |
| Rusty or metallic smelling hot water | Anode rod spent and the tank interior corroding | Anode replacement if caught early, otherwise replace |
| Water at fittings or the relief valve | Loose connection, failed valve, or a pressure issue in the system | Usually repairable, worth diagnosing promptly |
| Water seeping from the tank shell | The tank itself has corroded through | Replace. This does not get repaired and it will get worse |
| Tankless throwing an error code | Scale buildup, ignition, venting, or gas supply | Usually repairable, often descaling |
Three Things Worth Taking Seriously
- Never cap, plug, or block the temperature and pressure relief valve. It is the safety device that prevents a pressurized tank from becoming dangerous. If it is discharging, that is a problem to diagnose, not to silence.
- Water pooling under the tank means shut it down. Close the cold supply valve above the unit and turn off the gas or the breaker. A tank leaking from the shell is finished, and the amount of water in it is enough to do real damage to a finished basement.
- Gas smell means leave and call from outside. Do not operate switches. Call your gas utility first, then us. Combustion appliances need proper venting, and a water heater that is backdrafting is a carbon monoxide concern rather than a comfort one.
How We Decide, and How You Should
-
Find the age
The serial number on the data plate encodes the manufacture date. A tank in year six with a failed element is a repair. The same failure in year twelve is money spent on a unit that is nearly out of time.
-
Find what actually failed
Elements, thermostats, gas valves, and relief valves are components. A corroded tank is not a component, it is the appliance. Those are different conversations and we will tell you which one you are in.
-
Weigh the repair against remaining life
If a repair costs a meaningful fraction of a replacement and buys you two more years, that is usually poor value. If it buys you six, it is usually good value. You get the numbers and you make the call.
What changes the cost of a replacement
- Tank or tankless, and gas or electric
- Capacity or flow rate needed for your household
- Whether the existing gas line, venting, and electrical suit the new unit
- Whether an expansion tank is required, which depends on whether your system is closed
- Access, since a basement stairwell and a tight utility closet are different jobs
- Permit and inspection fees, which are set by your municipality
We charge a service call fee to come out, diagnose the problem, and quote it. That fee is applied to the work if you go ahead, and you approve the price before anything starts. Tell us what your unit is doing.
Why Water Heaters Work Harder in Southeast Michigan
- Hard water builds scale. Mineral content in our water precipitates out when heated and settles on the bottom of a tank or coats the heat exchanger in a tankless unit. That is why the annual flush and the tankless descale matter more here than manufacturers' generic guidance implies.
- Cold incoming water in winter. Every unit works harder from December through March because it is raising water from a much lower starting temperature. Undersized systems reveal themselves in January, not July.
- Unconditioned basements and utility spaces. Standing losses climb when the unit lives in a cold basement, and exposed hot water piping loses heat before it reaches the fixture. Insulating the first several feet of the hot line is cheap and effective.
- Older housing stock. Homes that predate current code often have venting, gas sizing, or clearance conditions that need correcting when a heater is replaced. That is not an upsell, it is what the inspector will look at.
Water Heater Replacement Is Permitted Work
In most Macomb and Oakland County municipalities, replacing a water heater requires a permit and an inspection. The requirement exists because the work touches gas, venting, and pressure relief, which are the three ways a water heater becomes genuinely dangerous rather than merely broken.
A quote that skips the permit is not a cheaper quote, it is an incomplete one, and it tends to surface during a home sale when the buyer's inspector asks for documentation. We confirm the local requirement for your address as part of scheduling, and the inspection is part of the job rather than something you chase afterward.
Water Heater Service Near You
We install and repair water heaters throughout Macomb, Oakland, Wayne, and southern St. Clair County from our Fraser base.
- Fraser
- Warren
- Sterling Heights
- Clinton Township
- Shelby Township
- Mount Clemens
- St. Clair Shores
- Macomb County
- Troy
- Royal Oak
- Grosse Pointe
- Livonia
- St. Clair
- All locations served
Drain Detectives
18260 Malyn Blvd, Fraser, MI 48026
Macomb County: (586) 296-0036
Oakland County: (248) 645-2448
Hours: 24 hours a day, 7 days a week, including holidays
Get directions • Request service online • Read customer reviews
What Often Comes Up With Water Heater Work
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Water Heater FAQ
Is tankless worth it in Michigan?
It can be, but the calculation is different here than in a warm climate. Our cold incoming winter water means a tankless unit has to work harder for the same result, so it must be sized on the winter temperature rise rather than the headline rating. If you plan to stay in the house long term, are short on space, or routinely run out of hot water, tankless makes sense. If you need a straight replacement on a budget and your current tank suits the household, a tank is often the better value. We will tell you which applies to your house.
How long does a water heater last?
A conventional tank commonly lasts 8 to 12 years, and a tankless unit commonly 20 or more with regular descaling. Hard water shortens both. If your tank is past ten years and showing symptoms, factor its age into any repair decision rather than treating the repair in isolation.
Do I need a permit to replace a water heater?
In most Macomb and Oakland County municipalities, yes. The work involves gas, venting, and pressure relief, so an inspection verifies it was done correctly. Requirements are set by your city or township building department. We confirm the process for your address as part of scheduling.
Why does my hot water run out so much faster than it used to?
Usually sediment. Minerals settle on the tank floor and occupy volume that used to hold hot water, so a 50 gallon tank effectively becomes smaller each year it goes unflushed. On an electric unit, a failed lower element produces the same symptom. Both are worth diagnosing before assuming you need a bigger tank.
What is that rumbling or popping noise?
Water trapped under a layer of sediment on the tank floor, boiling and forcing its way through. It is a sign the tank needs flushing and that the sediment layer has been building for a while. Ignore it long enough and the sediment accelerates corrosion of the tank bottom.
How often should a water heater be serviced?
Flush a tank annually and have the anode rod checked periodically, since the anode is the component that corrodes so the tank does not. Tankless units should be descaled annually with our water hardness, and manufacturers frequently require documented descaling to keep the warranty valid.
Can you install a tankless unit where my tank is now?
Often, though it is rarely a simple swap. A tankless heater draws considerably more BTU than the tank it replaces, so the gas line and sometimes the meter need to be evaluated. Venting is different, condensing models need a condensate drain, and clearances differ. We assess all of that before quoting rather than discovering it mid-install.
Is an electric tankless a realistic option?
For a single fixture, sometimes. For a whole house in this climate, rarely. The electrical service required to raise cold Michigan water across a whole home is beyond what most panels in older housing stock can supply, and the panel upgrade usually costs more than the difference to a gas unit. Point-of-use electric units for a remote bathroom are a different and more practical case.
My water heater is leaking. Can it be repaired?
It depends on where. Water at a fitting, a connection, or the relief valve is often repairable. Water seeping from the tank shell itself is not, because the tank has corroded through from the inside. Shut off the cold supply above the unit and the gas or breaker, then call. See emergency plumbing.
Do you service commercial water heaters?
Yes. We work with restaurants, multi-unit residential, retail, and facilities throughout our service area. See commercial plumbing.
Get Hot Water Back
Tell us what the unit is doing, roughly how old it is, and whether it is gas or electric. That is usually enough for us to tell you whether you are looking at a repair or a replacement before we arrive.
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