Boilers & Radiators
Combi Boiler Installation in Providence, RI
A combi boiler heats the house and makes domestic hot water on demand from one compact wall-hung unit. It frees up the space a tank used to take and suits condos, smaller single-family homes and individual units in multi-family buildings.

One wall-hung unit for heat and on-demand hot water, a good fit for condos and smaller homes. Typical cost in Providence runs $6,950 to $11,800, and the phone is answered 24/7 at (401) 598-2964.
Signs it is time to call
- The old boiler and the separate water heater are both near the end
- Basement or closet space is tight and you want the tank gone
- Hot water demand is modest, one or two showers at a time
- You are converting a unit in a multi-family to its own heat
Hot-water and steam heat are still the backbone of Providence's older housing, from East Side Victorians to triple-deckers in Elmwood, Pawtucket and Central Falls. These systems last a long time, but they depend on correct water levels, pressure, venting and air removal, which is where most of our boiler work starts.
What the work includes
- Size the unit for both heating load and hot water flow at Rhode Island winter water temperatures
- New gas line sizing check, sidewall venting and condensate drain
- Near-boiler piping with a low-loss header where the system needs it
- Startup, combustion test and setup of outdoor reset for lower fuel use
Cold incoming water in a Rhode Island winter cuts how much hot water any combi can make at once. We size for February water, not July, so the shower stays hot when it matters.

How the visit goes
- We start at the boiler: gauge readings, the sight glass or pressure, venting and the burner.
- Then we walk the system floor by floor, checking radiators, valves and zones that are not heating.
- You get the findings and the price before any repair, in plain language.
What combi boiler installation usually costs
Most combi boiler installation jobs in Providence and nearby towns fall between $6,950 and $11,800. Higher end includes longer vent runs, gas line upsizing or replacing the old water heater as part of the job. We give you the exact price after we see the system, and nothing is done until you approve it.
Compare ranges across all 48 services on the price list.
Combi Boiler Installation questions
Will a combi boiler keep up with two showers at once?
Larger combi units can, but flow drops when the incoming water is cold. For homes with heavy hot water use, a boiler with an indirect tank is often the better choice.
Does a combi boiler need a chimney?
No. Combis are high-efficiency condensing units that vent through a plastic pipe out a sidewall or the roof, so an old chimney can be retired.
Can a combi boiler work with my existing radiators?
In most cases, yes. We check the radiator sizes and piping, and set the water temperature so the boiler stays efficient while the rooms stay warm.
Combi Boiler Installation around Providence
We handle combi boiler installation across the city and nearby Rhode Island and Massachusetts towns. These are a few of the areas where we do it most.
Need combi boiler installation today?
Call the line any hour. We will walk you through safe checks and get a technician scheduled.