Central Heating Replacement in Prague: 2026 Costs

Central heating replacement in Prague typically costs between 80 000 and 350 000 Kč in 2026, depending on the type of system, the size of your home, and whether you're replacing just the heat source or the entire distribution network (pipes and radiators). If you're an expat living in a Czech apartment or house and your heating feels inefficient, unreliable, or expensive to run, this guide covers everything you need to know before hiring a heating engineer.

How Much Does Central Heating Replacement Cost in Prague?

Heating system replacement costs vary widely because "central heating" can mean anything from swapping out a gas boiler to converting an entire house from electric storage heaters to a heat pump with new radiators. Here are the most common scenarios and what Prague homeowners typically pay in 2026:

Gas boiler swap only (condensing boiler, existing pipes): 45 000–90 000 Kč including installation
Full gas heating system replacement (new boiler + new radiators + pipework): 120 000–250 000 Kč
Electric boiler to gas conversion (including gas connection): 150 000–300 000 Kč
Heat pump system (air-to-water, new distribution): 250 000–500 000 Kč before subsidies
Radiator replacement only (keeping existing boiler): 5 000–15 000 Kč per radiator installed
Pipe replacement (copper or PPR, typical apartment): 30 000–80 000 Kč

These ranges include both materials and labour. Prague prices tend to be 10–20 % higher than in smaller Czech cities like Brno or Ostrava due to higher labour costs and demand. Always get at least three quotes to understand where your specific job falls.

What Affects the Final Price?

Several factors push the cost up or down:

System type: Gas condensing boilers are the most affordable option. Heat pumps cost more upfront but may qualify for Czech government subsidies (Nová zelená úsporám).
Home size: A 60 m² Prague apartment needs a much smaller system than a 200 m² family house.
Pipe condition: If your existing pipes are steel and corroded, they'll need replacing. Copper or PPR plastic pipes in good condition can often stay.
Radiator count: Each new radiator adds 5 000–15 000 Kč depending on type and size.
Access difficulty: Old Prague buildings with thick walls, limited crawl spaces, or heritage restrictions increase labour time significantly.
DPH (VAT): Heating installation in residential properties carries 12 % DPH in 2026. Make sure quotes state whether DPH is included.

When Should You Replace Your Heating System?

Not every heating problem requires a full system replacement. But there are clear signs that repair is no longer the smart option:

Your boiler is over 15 years old. Older non-condensing boilers run at 70–80 % efficiency. A modern condensing boiler runs at 95 %+, which can cut gas bills by 20–30 %.
Frequent breakdowns. If you've called a technician more than twice in the past heating season, replacement costs less than ongoing repairs.
Uneven heating. Cold spots, radiators that don't heat fully, or rooms that never warm up often point to failing pipes or an undersized system.
Rising energy bills. If your consumption keeps climbing despite no change in habits, the system is losing efficiency.
You're renovating anyway. If walls or floors are already open for a bathroom or kitchen renovation, adding heating replacement at the same time saves significant labour cost.

If you're unsure, a heating engineer can assess your current system and recommend whether repair or replacement makes more sense. This assessment typically costs 1 000–3 000 Kč in Prague, and many companies will waive it if you proceed with the work.

Types of Heating Systems Available in Czech Republic

Czech homes use several heating system types. Understanding the options helps you have an informed conversation with your heating engineer.

Gas Condensing Boiler

The most common choice for Prague apartments and houses connected to gas. Modern condensing boilers extract heat from exhaust gases, reaching 95–98 % efficiency. Installation is straightforward if you already have a gas connection. Expect to pay 45 000–90 000 Kč for the boiler and installation, or 120 000–250 000 Kč if you're also replacing radiators and pipes.

Heat Pump (Air-to-Water)

Increasingly popular in Czech houses, especially with government subsidies available through the Nová zelená úsporám programme. Air-to-water heat pumps work best with underfloor heating or large radiators. They're more expensive upfront (250 000–500 000 Kč) but operating costs can be 40–60 % lower than gas. Note: heat pumps in apartment buildings require SVJ (owners' association) approval for the outdoor unit.

Electric Boiler

Common in older Prague panel buildings (panelák) where no gas connection exists. Electric boilers are cheap to install (20 000–50 000 Kč) but expensive to run. If you're in an apartment without gas, switching to a heat pump or connecting to district heating (if available) may be worth investigating.

District Heating (Dálkové vytápění)

Many Prague apartments, especially in larger housing estates, are connected to district heating. You don't choose the heat source — the utility company provides it. If your internal distribution (pipes, radiators, thermostatic valves) is old, you can still replace those for 40 000–100 000 Kč per apartment to improve comfort and control.

How to Find a Heating Engineer in Prague

Finding a qualified, English-speaking heating engineer in Prague can be challenging, especially for expats navigating Czech trades culture for the first time. Here's a practical approach:

Ask for a "topenář" or "instalatér" — these are the Czech terms for heating engineer and plumber/installer. Many heating jobs require both plumbing and heating skills.
Check their IČO. Every legitimate Czech tradesperson should have a company registration number (IČO). You can verify it on ares.gov.cz, the official Czech business register.
Confirm they hold a živnostenský list (trade licence) for heating installation. Heating work involving gas is a regulated trade (řemeslná živnost) in Czech Republic, meaning the installer needs specific qualifications.
Get a written quote (cenová nabídka) before work starts. It should itemise materials, labour, DPH, and a timeline.
Request a revision report. After any gas heating installation, Czech regulations require a revision report (revizní zpráva) from a certified gas revision technician. This is separate from the installer — ask your heating engineer if they arrange this or if you need to book it yourself.

What to Ask Before Hiring

Before committing to a heating engineer, ask these questions:

Can you provide references or photos from similar jobs?
Is the quoted price final, or could it change once you open the walls?
Who arranges the gas revision report after installation?
What warranty do you provide on the installation work (not just the boiler manufacturer warranty)?
What's the expected timeline, and will I be without heating during the work?

For gas-related work, never attempt DIY installation. Czech law requires qualified professionals for gas connections, and your home insurance may be void if work is done by an unqualified person.

Czech Government Subsidies for Heating Replacement

The Czech government's Nová zelená úsporám programme offers subsidies for replacing old, inefficient heating sources with modern alternatives. In 2026, eligible upgrades include:

Replacing a non-condensing gas boiler with a condensing model
Switching from coal, oil, or old electric heating to a heat pump
Installing solar thermal panels to support hot water heating

Subsidy amounts vary but can cover 50 000–130 000 Kč of the total cost, depending on the type of upgrade and your property. The application process involves paperwork in Czech, so expats may want to ask their heating engineer for help or hire a consultant who handles the application. Details and current conditions are available on the programme's official website.

One important note: to qualify, the installation must be done by a company registered with the programme. Ask potential installers whether they're registered before signing a contract.

Timing Your Heating Replacement

The best time to replace your heating in Prague is late spring through early autumn (May–September). Here's why:

You won't freeze. Replacement typically takes 2–5 days for a boiler swap and 1–3 weeks for a full system. During this time, you'll have no heating.
Tradespeople are less busy. Heating engineers are swamped from October through March. Summer scheduling is easier and you may get better pricing.
Testing time. Installing in summer gives you months to test the system and fix any issues before winter arrives.

If you're reading this in May or June, now is the ideal window to get quotes and schedule work before the autumn rush.

Post Your Heating Job on TraderPoint

If you're ready to get quotes for your central heating replacement, you can post your heating job on TraderPoint. Describe your current system, what you'd like to replace, and the size of your home. Local heating engineers and plumbers will send you quotes directly, so you can compare prices and choose the right fit — all in English. TraderPoint verifies traders' phone numbers and email addresses, and you can check their IČO against the Czech business register for additional peace of mind.

Key Takeaways

Central heating replacement in Prague costs 80 000–350 000 Kč depending on system type and scope of work.
A simple boiler swap is the most affordable option at 45 000–90 000 Kč; full system replacements with new pipes and radiators cost more.
Gas condensing boilers remain the most popular choice; heat pumps are growing fast, especially with government subsidies.
Always get a written quote, verify the installer's IČO on ares.gov.cz, and ensure a gas revision report is arranged after installation.
Schedule replacement in late spring or summer to avoid the winter rush and ensure you're not left without heat.
Compare at least three quotes before choosing — pricing varies significantly between Prague heating companies.