CityHero

The 1 best heating companies in Schlieren

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Key facts

CityHero lists 1 heating companies in Schlieren (as of October 2026), averaging 5.0 out of 5 Google stars. Number 1 in the Hero Score is Hauser & Schwerzmann Haustechnik AG (5.0 stars, 12 reviews).

Listings
1
Avg. Google rating
5.0 / 5
No. 1 Hero Score
Hauser & Schwerzmann Haustechnik AG
Reviews in total
12

Source: CityHero directory, ratings via Google · as of October 2026.

Heating Companies in Schlieren: what to know

There are currently 1 heating companies listed in Schlieren on CityHero – from servicing your existing system to a full replacement with a heat pump. Compare the firms by rating and specialisation and request a no-obligation quote. On average that's 5.0 out of 5 stars. Top-rated: Hauser & Schwerzmann Haustechnik AG. Make sure an emergency service with a fast response time is offered, as a heating failure in winter cannot wait. A maintenance contract also helps prevent breakdowns.

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Frequently asked questions

How many heating companies are there in Schlieren on CityHero?

CityHero currently lists 1 heating & hvac in Schlieren, rated 5.0 out of 5 stars on average. Currently top-rated: Hauser & Schwerzmann Haustechnik AG.

Is switching to a heat pump worth it?

In many cases yes, especially when replacing an old oil or gas system, and cantonal subsidy programmes reduce the cost. A specialist firm in Schlieren can assess at a consultation whether your building is suitable.

How often should a heating system be serviced?

Annual servicing is recommended for most systems and safeguards efficiency and reliable operation. Many heating companies in Schlieren offer maintenance contracts for this – compare the providers directly on CityHero.