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How much does it costs to install or replace a boiler?

Wednesday 29 December 2021

How much does it cost to install or replace a water heater?

Installing a water heater costs between €800 and €1,600. So on average you should expect to spend €1,200 including materials and labour. Boilers & other water heaters can cost between €300 and €2,000 + for the appliance alone, while plumbing costs range from €60 to as much as €75 per hour. Installing a water heater takes an average of 2 to 3 hours.

Average cost to replace a water heater

Whether it's catching or installing a boiler, in this article we will go through all the costs you will encounter. This way you will learn all about the pricing of your next boiler installation. In addition, you will also read about some alternatives, such as hybrids, high efficiency boilers & solar energy.

Average cost to replace a boiler
Average cost € 1,200
Typical range €800 and €1,600
High cost € 10,000
Cheap € 350
Installation prices new hot water cylinder
Type Average unit price range Installation cost
Standard tank storage €400 - €1,600 €150 - €600
Tankless € 250 - € 2,500 € 400 - € 1,500
Hybrid/high efficiency €700 - €3,000 €150 - €600
Solar €1,000 - €6,000 €2,000 - €4,000

*These are indicative prices based on jobs previously carried out. The final cost may differ from the invoice you receive from us.

The installation cost of a new hot water cylinder ranges from as little as €550 to as much as €10,000 or more, including the boiler and labour. Most standard electric and gas water heaters cost €400 to €1,600 . However, they can range from €250 to €6,000, depending on the type. Installation costs also vary considerably, depending on the type and specific requirements.


Tank versus tankless
(materials + labour) € 700 - € 2,000 € 1,000 - € 3,000
Service life 8 - 12 years 20+ years
Energy source Gas, Propane, Electric, Solar Gas, Electric, Propane
Installation time: 2 - 3 hours 8 - 10 hours
Strengths Proven track record
Easy to install
High efficiency available Smaller
Saves up to 25% on utilities
Only 5% energy loss
Endless supply
disadvantages 30%+ energy loss
Takes up a lot of space
Occupies always on - consumes energy Expensive to install
Not great for northern climates
Multiple units needed for large houses

Average cost with installation:

With Tank / Barrel : € 900
Without Tank / Barrel : € 3,000
Boilers come in two main styles: with tank or cask or and tankless (without a cask). A tank boiler, as the name suggests, keeps hot water ready for use in a tank. More than 90% of boilers installed in homes in the are tank-style.

Tankless water heaters cost two to three times more than standard tank heaters. They are more difficult to install and will cost you more labour. The advantage of these small suitcase-sized units is that they provide an endless supply of hot water when you need it through a series of superheated coils. You might hear them referred to as "on-demand" heaters.

Cost of gas water heater versus prices of electric water heaters

Energy source Electric Natural gas
Operates during power cuts No Sometimes
Lifetime 8 - 12 years 8 - 12 years
Recovery time 12 hours 30-60 minutes
Energy efficiency 95% 60 - 70%
Cost of more than 12 years service life €6,250 €5,000
Unit price €200 - €2,880 €250 - €1,800


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