Listed in our plumbing services.
Short answer
The constraint that usually decides a replacement is physical, not technical: whether the unit can be carried down the stairs and fit the space. Measure the route before ordering. Changing type or efficiency can also change what the venting must be. Expensive to discover after the old unit is disconnected.
Older housing in Burlington, Winooski and Essex Junction puts equipment in tight basements reached by narrow stairs with low headroom and tight turns, and some sizes simply cannot get there. This is why a quote given over the phone from a model number is a guess. Ask whether the route and the space have been measured, what venting the proposed unit requires, whether that venting exists today, and who is responsible if the answer changes once the old unit is out.
Jobs this covers
- Standard tank replacement
- Gas, propane and electric water heaters
- Tankless conversion and replacement
- Heat pump water heater installation
- Indirect domestic hot-water tanks
- Commercial water heaters
Signs a water heater is near the end
- The tank is leaking
- Repairs are becoming frequent
- Recovery no longer meets demand
- Efficiency or fuel type needs to change
- A remodel requires relocation or more capacity
What service may include
Vermont requires a mixing valve on replacements. Real scope only shows up on the visit. Installation may include removing the old unit, setting and connecting the new equipment, adapting water, fuel, venting, electrical and condensate connections, adding required safety components and commissioning the system.
What affects the recommendation and price
Changing fuel type changes almost everything else. Capacity, fuel, vent route, electrical service, space, condensate, code upgrades, warranty, permits and disposal of the old unit shape the installed price.
What is different around Burlington
Vermont requires an ASSE 1017 mixing valve on every new or replacement water heater installed since 1 February 2005, so a quote that leaves it out is not comparable to one that includes it. Efficiency Vermont offers a $600 discount on qualifying heat-pump water heaters, with up to $400 more for income-eligible households.
What a written quote should tell you
- Whether the route in and the space itself were measured, not just the old unit's dimensions
- Whether existing venting can be reused, or what a change would require
- Recovery rate as well as tank volume, sized against your actual peak demand
- Permits, expansion tank, drain pan, shutoff and any code work required by the replacement
- Removal and disposal of the old unit, and warranty registration
| Check | Why it's decided before the model |
|---|---|
| Stairs, turns and headroom to the mechanical space | Older basements can make some sizes physically impossible to deliver |
| What venting the proposed unit requires | Changing type or efficiency can change what venting has to be |
Common questions
Should I switch from a tank to tankless?
Tankless can save space and provide long draws, but fuel capacity, venting, maintenance and simultaneous demand must be evaluated.
Does installation include removal of the old tank?
It often does, but confirm removal, disposal, permits and finish work in the written estimate.
What is an expansion tank and do I need one?
It is a small tank with an internal bladder that gives heated water somewhere to expand into. When water is heated it expands, and in an open system that expansion pushes back into the municipal main harmlessly. Where a backflow preventer, pressure-reducing valve or check valve makes the system closed, which is increasingly common on Vermont municipal connections, the expansion has nowhere to go, and pressure spikes stress the tank, the relief valve and every fixture in the house. If your system is closed, current code generally requires one, and a relief valve that periodically weeps is a classic sign of a closed system without it.
How do I know what size water heater I need?
Size by first-hour rating rather than by tank gallons, because a well-recovering 40-gallon unit can outperform a slow 50. The practical rule of thumb for a conventional tank is roughly 30 to 40 gallons for one or two people, 40 to 50 for three or four, and 50 to 80 above that: adjusted upward for a large soaking tub or simultaneous showers. If the current heater has always been adequate, matching its capacity is a sound decision. If you have been running out, replacing like for like will reproduce the problem you were trying to solve.
Can I install a water heater myself in Vermont?
It depends on something specific: whether the building is connected to public water or public sewer. The Vermont Plumbing Rules apply to all public buildings and to every other building connected to a public water or sewage system, and the Division of Fire Safety states that owner-occupied single-family residences which are not on public water or public sewage systems are not covered by them.
So an owner-occupied house on a private well and septic sits outside those rules. The same house in Burlington on municipal water and sewer does not. Either way, gas and propane units involve the fuel connection, the vent and combustion air, and getting any of those wrong produces carbon monoxide instead of an obvious failure. Confirm your own situation with the Division of Fire Safety and your town before buying the unit.
What happens if I keep an old water heater past its life?
You are trading a scheduled expense for an unscheduled one at roughly the same price plus damage. A planned replacement happens on a weekday at a quoted price with the model you chose. An emergency replacement happens whenever the tank fails, at whatever rate applies, with whatever unit is in stock. If the heater is in a basement with a drain, the downside is inconvenience. If it sits in a closet or above living space, the downside includes the floor below it.
How long does water heater installation take?
A straight tank-for-tank replacement is commonly two to four hours. It stretches when the new unit does not match the old one's connections, when venting has to change, when the old tank has to come up a narrow Vermont basement stair full of water, or when current rules require something the original installation did not have.
One Vermont requirement is worth knowing by name: the Division of Fire Safety states that whenever a new or replacement water heater is installed after 1 February 2005, a mixing valve meeting ASSE 1017 must be installed, and that this also applies to a tankless unit supplying more than one fixture. Ask whether the quote includes that valve and any other code work, or excludes them: that is where replacement quotes most often differ.
Who is responsible for the permit: me or the installer?
The permit is pulled in the property owner's interest, but a licensed contractor normally handles it as part of the job, and a contractor who suggests skipping it is telling you something about how they work. Ask explicitly whether the quote includes the permit and the inspection, and get the closed permit or the inspection record when the job is done. That record is what a future buyer's inspector, and possibly an insurer, will ask for.
What does a new water heater's warranty actually cover?
Tank warranties commonly run 6 to 12 years depending on the model tier, but that covers the tank only: labor, and often the anode rod and fittings, are separate and shorter. Registering the unit with the manufacturer within their window, often 90 days, is frequently required to keep the full term active, and it is a step homeowners routinely skip.