Water Heater Installation in South County, RI

Water Heater Installation

Oil-fired and indirect water heater installation, sized to your household

Water heaters are the most-used piece of equipment in a home. Showers, laundry, dishwasher, hand-washing, kitchen sink. When the existing unit starts leaking, taking longer to recover between uses, or showing rust at the base, replacement is rarely far off. SmithCo installs both oil-fired standalone water heaters and indirect water heaters that run off your existing oil boiler, with sizing based on your actual household demand. Existing customers on our heating service plans get priority scheduling for replacements.

SmithCo Oil water heater installation in South County, RI

2
Water Heater Types Installed

Two Installation Paths

Standalone oil-fired or indirect off your boiler?

The right choice depends on what you already have in your home. If you heat with an oil boiler, the indirect option is often more efficient and lower-maintenance. If you have a furnace or no boiler at all, the standalone oil-fired unit makes more sense.

Type 01

Oil-Fired Standalone Water Heater

A dedicated oil-burning unit that heats water in its own tank, completely independent from your space heating system. Ideal for homes with forced-air furnaces, homes without a boiler, or households that want hot water heating decoupled from winter heating equipment.

Best For
Furnace homes, no boiler
Recovery Rate
Fast, dedicated burner
Lifespan
10 to 15 years
Maintenance
Annual burner tune-up

Type 02

Indirect Water Heater

A storage tank with no burner of its own. Hot water from your existing oil boiler circulates through a coil inside the tank, heating the domestic water without burning extra fuel. Often the most efficient option for homes that already have an oil boiler running for space heat.

Best For
Boiler homes
Recovery Rate
Excellent, uses boiler heat
Lifespan
20 to 30 years
Maintenance
Minimal, no separate burner

Not sure which is right for you? The decision usually comes down to what space-heating equipment you have. We will walk through the math during the free in-home evaluation. If you are replacing a boiler at the same time, an indirect water heater paired with the new boiler is almost always the right combined upgrade.

Capacity Sizing Guide

How much hot water does your household actually need?

A water heater that is too small runs out during morning showers. One that is too large wastes fuel keeping unused water hot. Sizing comes down to peak hour demand. Here is a rough starting point. We refine it based on your specific fixtures and usage patterns during the in-home visit.

Household Size
Peak Hour Demand
Standalone Capacity
Indirect Tank Size

1 to 2 people
~30 gallons/hour
30 gallon tank
30 to 40 gallon tank

2 to 3 people
~45 gallons/hour
40 gallon tank
40 to 50 gallon tank

3 to 5 people
~65 gallons/hour
50 to 65 gallon tank
50 to 75 gallon tank

5+ people
~80+ gallons/hour
75+ gallon tank
75+ gallon tank

Recovery rate matters as much as tank size. A faster-recovery unit can serve a larger household with a smaller tank because it reheats water quickly between uses. This is one of the reasons indirect water heaters punch above their tank size.

When to Replace

Six signs your water heater is asking to be replaced

Water heaters give plenty of warning before they actually fail. The trick is recognizing the signs early enough to schedule a planned replacement rather than dealing with a basement flood at midnight. If you are seeing two or more of these, it is time to call.

01

The unit is over 10 years old

Standalone units rarely make it past 15. Even working ones at that age are running on borrowed time.

02

Rust around the base or top

Visible rust on the tank itself (not just fittings) means corrosion has reached the steel and a leak is coming.

03

Discolored or rusty hot water

If cold water runs clear but hot water comes out tinged, the tank lining is breaking down internally.

04

Hot water runs out faster than it used to

Sediment buildup at the bottom of the tank reduces capacity over time. Recovery slows down with it.

05

Strange noises during heating

Popping, rumbling, or banging usually means sediment buildup. It is a maintenance flag at first, a replacement flag eventually.

06

Water pooling near the unit

Any standing water near a water heater is an emergency. Call us today, not tomorrow.

What’s Included

Every installation. No surprise add-ons.

What We Bring
  • The properly sized water heater unit
  • All fittings, supply lines, and shutoff valves
  • Expansion tank where required by code
  • Pressure relief valve and drain piping
  • Electrical or fuel line connections
  • Manufacturer warranty registration
  • Code-compliant venting materials
  • Disposal of old unit and packaging
What You’re Left With
  • A fully tested, code-compliant installation
  • Hot water restored before we leave the house
  • A walkthrough of controls and shutoff locations
  • Manufacturer warranty registered in your name
  • Installation paperwork for your records
  • Permit closeout handled by us
  • A clean basement (we leave it cleaner than we found it)
  • Direct number to call if anything seems off

★ ★ ★ ★ ★

The technician came quickly and had us up and running in no time. We have been a customer for years.

John Keaveny
·
Long-time SmithCo customer

Common Questions

Water heater installation, answered

How long does a water heater installation take?
Most water heater replacements are completed in 3 to 5 hours. Jobs that require electrical upgrades, new venting, or code-driven plumbing modifications can stretch to a full working day. You will have hot water back the same day.
Should I switch to an electric or tankless water heater?
It depends on your existing setup and electrical capacity. Tankless oil-fired water heaters exist but are uncommon. Electric tankless units require significant panel upgrades that can cost more than the unit itself. For most existing oil-heated homes in South County, an oil-fired or indirect water heater remains the most cost-effective replacement. We will be honest about the math.
How much energy does an indirect water heater save?
An indirect water heater piggybacks on your existing boiler instead of running its own burner. For homes where the boiler is already running through winter, this means hot water is essentially a free byproduct of heating the house. The savings vary by household, but indirect systems are consistently the most efficient option for boiler-heated homes.
Can you install the new water heater in a different location?
Sometimes, depending on plumbing, venting, and electrical access. Moving a water heater adds significant cost because new water lines, drain lines, and venting need to be run. Most of the time we recommend keeping it in the original location unless there is a strong reason to move it.
What size water heater do I need?
For most South County households, 40 to 50 gallons is the sweet spot for standalone units. Indirect tanks of 40 to 50 gallons typically serve the same household sizes because of faster recovery. Larger households (5+ people) need 65+ gallon capacity. We size during the in-home visit using your actual fixture count and usage patterns.
What warranty comes with a new water heater?
Manufacturer warranties on quality water heaters run 6 to 12 years on the tank, with shorter periods on parts. We register the warranty in your name as part of the install and stand behind our installation workmanship in addition to the manufacturer coverage.

SmithCo
Since 1985

Hot water this week, not next month

Most water heater installations are completed within 7 to 10 days from the initial call. Emergencies can be handled the same day.