
Gas ยท Natural gas and propane
Gas Water Heater Services in Florida
Gas water heaters are less common in Florida than in most states, but where a home has natural gas or propane, they're a solid choice with quick recovery. They also need a technician qualified for gas appliances whenever anything goes wrong, and this page explains why.
Tell us whether it's natural gas or propane, and what the heater is doing.
Smell gas?
If you smell gas, this comes first
Leave the building and call your gas utility and 911 from outside. Don't stay to investigate the water heater. Once you're safely outside and the right people are on their way, you can call us about the heater itself.
That is the only gas instruction on this site. Everything else about a gas water heater, from the controls to the venting, is work for a technician qualified for gas appliances.
Gas water heating in Florida
Natural gas mains reach far fewer Florida homes than in most of the country. Where they exist, they tend to serve parts of the larger metro areas and some newer developments. Propane fills some of the gap, particularly in rural areas and communities built around it, with a tank on the property feeding the house. Everywhere else, electricity is the default.
That means a gas water heater in Florida is often in a home that has other gas appliances too, like a range, a dryer or a pool heater. It also means some homes have a gas water heater installed years ago that the current owner has never thought about until it stops working.
The types of gas water heater
Standard tank with a natural-draft vent
The traditional design. A burner under the tank heats the water, and combustion gases rise through a flue in the center of the tank and out through a vent pipe. It relies on hot gases rising naturally, so the vent's route and condition matter a great deal.
Power-vent tank
Similar, but with a fan that pushes combustion gases out through a vent pipe, which can run horizontally through a wall. It needs an electrical supply for the fan as well as gas, and offers more flexibility on where the heater goes.
Gas tankless
A wall-mounted unit that heats water as it flows. It needs an adequate gas supply, often larger than a tank heater needs, and dedicated venting. Some are designed to be mounted outdoors. The tankless installation page covers these.
Common problems with gas water heaters
- No hot water, where the heater doesn't fire, or fires briefly and shuts down.
- Not enough hot water, often from sediment insulating the tank bottom from the burner.
- Rumbling or popping, which on a gas tank usually means sediment.
- Soot or scorching near the burner access area, which suggests a combustion or venting problem.
- A vent pipe that's disconnected, damaged or rusted, which should be looked at promptly.
- Water leaks, which on a gas tank have the same causes as on any other tank.
Describe any of these on the call. Don't try to open the burner access, work on the gas control or attempt to get the burner going yourself.
We'll connect you with a technician who services gas water heaters.
What a gas technician checks
A technician qualified for gas appliances works through the heater in a set order. They confirm gas is reaching the heater, then look at the gas control and thermostat, the ignition and flame-sensing components, and the burner. They check that combustion air can reach the burner, and that the vent is intact, correctly connected and drawing properly. They also look at the tank itself for leaks and sediment, and at the relief valve.
Once they've found the problem, they explain it and give you the price before any work. Many gas heater faults are parts problems, such as a failed sensor or ignition component, and can be fixed. Some point to a tank that's reached the end of its life.

Why venting matters so much
A gas water heater produces combustion gases that must leave the home through the vent. If the vent is blocked, disconnected, damaged or poorly routed, those gases may not leave as they should. That's why a technician inspects the venting as part of any gas heater visit, and why a vent pipe that has come loose or rusted through is not something to leave until later.
Venting also shapes replacement. A new heater has to vent correctly, and a change of heater type, from a natural-draft tank to a power-vent or tankless unit for example, usually means changing the venting too. The installer confirms what's needed.
Gas heaters in garages and closets
In Florida, gas water heaters are most often found in garages, and sometimes in closets or utility rooms. A gas heater needs a supply of air for combustion, clearance around it and a suitable vent route, and there are requirements covering how and where gas appliances are installed. We don't set those out here, because they depend on the appliance and where you live. The installer confirms what applies before recommending a location or a replacement.
Switching to or from gas
Some owners with gas heaters switch to electric or heat pump when the old unit fails, particularly if gas serves nothing else in the house. That means running a suitable electrical circuit and dealing properly with the gas line that fed the heater. Going the other way depends on gas service reaching the home and a workable vent route. Either change is a bigger job than a like-for-like replacement, so it's worth having both options priced. The installation and heat pump installation pages cover the alternatives.
What affects the cost
- The fault. A sensor or ignition part costs less than a gas control or a tank replacement.
- Venting work. Repairs or changes to the vent add time and materials.
- Fuel and type. Propane and natural gas units, tanks and tankless models differ in parts and price.
- Access and timing. Tight spaces and after-hours visits cost more.
The price comes before any work, with any added charges explained first.
Repairs and replacements priced before anything is touched.
How long it takes
Many gas heater repairs are completed in one visit when the part is carried on the van. Brand-specific controls and parts for tankless units sometimes need ordering. Replacements depend on the heater type, the vent and the gas connection, and a like-for-like tank swap is quicker than a change of type. Gas heaters recover quickly once they're running again.
Gas water heater questions
What should I do if I smell gas near my water heater?
Leave the building and call your gas utility and 911 from outside. Don't stay to investigate or try anything on the heater. Once you're outside and the right people are on their way, you can call us about getting a technician to look at the water heater itself.
Do many Florida homes have gas water heaters?
Fewer than in most states. Natural gas mains reach relatively few Florida homes, mostly in parts of larger metro areas and some newer developments, while propane serves some rural homes. Most Florida water heaters are electric, which is why gas heater service is a smaller share of the work here.
My gas water heater won't heat. Can I get it going myself?
Please don't try. Anything involving the gas control, the burner or ignition components is work for a technician qualified for gas appliances. Describe what the heater is doing when you call, including any codes or unusual sounds, and the technician will diagnose it and price the repair before starting.
Why is my gas water heater rumbling?
Rumbling or popping from a gas tank usually means sediment on the tank bottom. Water trapped under the sediment turns to steam and bubbles through it. It's common with Florida's hard water. Flushing can help if the layer hasn't hardened, and a technician can advise whether it's worthwhile on your heater.
What is a power-vent water heater?
It's a gas tank heater with a fan that pushes combustion gases out through a vent pipe, which can often run sideways through a wall. That gives more flexibility on placement than a natural-draft heater. It also needs an electrical supply for the fan in addition to its gas supply.
Is soot around my gas water heater a problem?
Soot or scorch marks around the burner access area suggest the heater isn't burning or venting as it should. It's worth having a technician look at it promptly rather than waiting. Don't try to open or clean the burner area yourself. Describe what you've seen when you call.
Can I replace my gas water heater with an electric one?
Usually, yes. The installer runs a suitable electrical circuit to the location and deals properly with the old gas connection. Many Florida owners do this when gas serves nothing else in the home. A heat pump unit is another option worth pricing, since Florida's warm air suits it well.
Does a gas water heater need regular service?
Periodic checks are sensible. A technician can inspect the burner, venting and combustion air supply, flush sediment and check the anode rod and relief valve. Regular attention helps catch vent and burner problems early and can extend the life of the tank in hard-water areas.
Gas water heater not right?
Call and we'll connect you with a local technician who works on gas water heaters.
If you smell gas, leave and call your gas utility and 911 from outside first.