Gas, power-vent, hybrid
Water heater replacement in Minneapolis, MN
A water heater rarely gives much warning. We swap tank heaters like for like, move you to a power-vent unit when the chimney no longer works for it, or install a hybrid heat pump model that heats water with a fraction of the energy.
- 24/7 calls answered
- Minneapolis service office
- 40 and 50 gal common sizes
- Old tank hauled away
Quick answer
Replacing a water heater in Minneapolis usually means a 40 or 50 gallon gas tank swap, but the venting decides the job: a tank that shared a chimney with an old furnace may need a power-vent unit once the furnace goes to PVC. We check the vent, gas line and expansion tank before we quote.
Boilers & Water Heaters
Replacement is about the venting as much as the tank
The tank is the easy part. The job turns on everything around it: whether the flue still drafts, whether the gas line is sized for the new burner, whether the relief valve drain goes somewhere safe, and whether the house has a thermal expansion tank on a closed system.
We look at all of that before we give a price, so the number you hear is the number you pay. Most standard gas swaps are done the same day we arrive with the unit.
Compare
Standard, power-vent or hybrid
| Type | Venting | Worth considering when |
|---|---|---|
| Atmospheric gas | Chimney or metal flue | The flue drafts well and is still shared or lined |
| Power-vent gas | PVC out a side wall with a fan | The furnace moved to PVC and left the heater alone in the chimney |
| Hybrid heat pump | No flue, needs a drain and 240V | You want to cut energy use and have space for airflow |
| Tankless | PVC or stainless, larger gas line | Endless hot water matters more than upfront cost |
Cost factors
What moves the price
What you replace it with, and what the house needs around it, set the price.
- Tank type. Atmospheric gas, power-vent and hybrid heat pump units differ widely in equipment cost.
- Capacity. A 50 gallon tank costs more than a 40, and larger households may need it.
- Venting changes. Relining a chimney or running new PVC for a power-vent unit adds parts and labor.
- Gas line or electrical. A bigger burner may need a larger gas line; a hybrid needs a 240 volt circuit.
- Expansion tank and code items. A thermal expansion tank, pan or new relief valve pipe may be required.
- Access. A heater in a tight closet or crawl space takes longer to swap.
- Permit. Replacements may need a permit and inspection depending on the city.
40 and 50 gallon gas replacement
Most Minneapolis houses run a 40 or 50 gallon atmospheric gas heater venting into the chimney or a metal flue shared with the furnace. A like-for-like swap drains the old tank, disconnects gas and water, sets the new unit on a pan where needed, and reconnects with new flex lines, a new relief valve discharge pipe and a fresh vent connector. We light it, check the draft at the hood with the furnace also running, test for gas leaks, and check the temperature at a tap before we leave. The old tank goes out with us.
Power-vent water heaters
When a furnace is replaced with a 95 percent unit that vents through PVC, the water heater is often left alone in a chimney sized for two appliances. A small heater in a big cold masonry flue drafts poorly and can spill exhaust. A power-vent heater solves that with its own fan and a PVC vent out the side wall, and it frees the unit from the chimney entirely. It needs an outlet nearby and a clear wall exit, and it costs more than a standard tank, but it is often the safe choice in older homes.
Hybrid heat pump water heaters
A hybrid water heater uses a small heat pump on top of the tank to pull heat from the surrounding air, with electric elements as backup. It uses far less energy than a standard electric tank. It also cools and dries the room it sits in, which is a benefit in a damp basement and a drawback in a small closet. It needs space around it for airflow, a condensate drain and a 240 volt circuit. We check all three before recommending one, and handle the paperwork for any utility rebate that applies.
What we see on calls around Minneapolis
Minnesota code steers most furnace replacements toward 95 percent condensing units that vent through PVC instead of the chimney. In a city where about 43 percent of homes were built before 1939, that often leaves a lone water heater in a large masonry chimney it was never meant to use by itself. When we replace a water heater, we check whether the furnace has already been changed over, and if it has, we test the chimney draft before recommending another atmospheric tank.
What is included
What every replacement includes
- Removal and haul-away of the old tank
- New water flex connectors
- New relief valve discharge pipe
- New vent connector or PVC vent
- Gas leak test at every joint
- Draft test with the furnace running
- Expansion tank check on closed systems
- Temperature set and checked at a tap
- Shutoff and settings walkthrough
Step by step
How the swap runs
- 1
Check the setup
We look at the vent, gas line, water connections and space before quoting the right unit.
- 2
Drain and remove
The old tank is shut down, drained and disconnected.
- 3
Set and connect
The new heater goes in with new flex lines, relief valve pipe and vent connector.
- 4
Fire and test
We light it, check draft with the furnace running, and leak-test the gas.
- 5
Haul away and walk through
The old tank leaves with us and we show you the shutoff and temperature setting.
Brands we service and install
On boilers and water heaters we see Weil-McLain, Navien, Bosch and Rheem most often.
Questions we get on the phone
Water heater installation questions from Minneapolis homeowners
Commonly eight to twelve years. A leak from the tank itself means replacement, not repair.
Only if you regularly run out during back-to-back showers. A larger tank costs more to buy and keep hot.
If your furnace was replaced with a high-efficiency model that vents through PVC, the water heater may be left alone in a chimney that is now too big for it and may not draft safely.
It uses much less energy than an electric tank and dries the basement as it runs. It needs room for airflow, a drain and a 240 volt circuit, so it suits some houses better than others.
Yes, every replacement includes hauling the old tank away.
More from this category
Related work we handle
Tankless Water Heater Installation
Gas Line and Venting Upgrades and more.
Descaling and Annual ServiceOut of hot water?
Call with the size and fuel on your current tank's label, and we will bring the right replacement.