ᐅ Heating / HVAC

Learn how to choose the optimal heating and cooling systems for your home – ensuring comfortable temperatures and greater energy efficiency in everyday living!

Is it worth preparing for air conditioning installation?

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Pwnage619•2 Feb 2022 16:36

Answers: 68

Mycraft • 19 May 2022 15:12

Older apartment with gas boiler heating – underfloor heating now, heat pump later

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selterdurst•24 Mar 2022 16:27

Answers: 14

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Jermomio • 14 May 2022 14:47

Eliminating Air in a Dry-Construction Underfloor Heating System?

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gylox990•13 May 2022 20:08

Answers: 4

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gylox990 • 14 May 2022 13:58

Cooling with a ground-source heat pump – Without a thermal storage tank?

DASI90•13 May 2022 11:04

Answers: 3

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driver55 • 14 May 2022 13:42

Is it possible to have gas heating without solar panels in a new build?

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derFriese•1 May 2022 16:22

Answers: 34

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WilderSueden • 5 May 2022 21:31

Change the spacing of underfloor heating pipes

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Raiweired•2 May 2022 08:51

Answers: 20

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Neubau2022 • 2 May 2022 19:40

Gas meter or gas heating system faulty?

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ReinikUL•30 Apr 2022 20:19

Answers: 2

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HilfeHilfe • 1 May 2022 06:10

Cooling with the Weishaupt Biblock WBB 12-A-RMD-AI?

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Elias_dee•16 Apr 2022 09:21

Answers: 5

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erazorlll • 30 Apr 2022 21:03

Rhythmic clicking noise in the manifold of the underfloor heating system

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ChrizElard•10 Apr 2022 22:27

Answers: 9

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soundso • 27 Apr 2022 20:33

Air-to-water heat pump without buffer tank | Heating contractor refers to building energy regulation requirement

Stravanzer•8 Feb 2022 11:48

Answers: 33

Tolentino • 26 Apr 2022 10:28

What are the responsibilities of an energy consultant?

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Jacy0505•25 Apr 2022 19:47

Answers: 1

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Osnabruecker • 25 Apr 2022 21:41

Heating Concept Air-to-Water Heat Pump for Single-Family Home with 2 Occupants – Quote from Heating Contractor?

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Elias_dee•24 Apr 2022 10:40

Answers: 15

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Hausbau 55 • 25 Apr 2022 05:43

Are chilled ceilings a practical alternative to air conditioning?

kati1337•26 Feb 2022 21:05

Answers: 15

rick2018 • 25 Apr 2022 04:41

Heating in a Newly Built House Using Only Split Units. Any Experiences?

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dertill•22 Apr 2022 12:03

Answers: 4

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Myrna_Loy • 24 Apr 2022 08:41

190L vs. 309L Hot Water Storage Tank for a Household of Four People

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Sinosch31•20 Apr 2022 08:06

Answers: 7

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guckuck2 • 22 Apr 2022 07:15

Which air-to-water heat pump is best for a new build?

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Hunter2605•11 Apr 2022 21:39

Answers: 13

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Daniel-Sp • 16 Apr 2022 22:12

From what point does it become worthwhile to install a heat pump in an older building?

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bestaik•28 Feb 2022 13:14

Answers: 13

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Deliverer • 12 Apr 2022 20:46

Is it reasonable to have to relocate the heat pump 5.5 meters for €999?

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Robert01796•10 Apr 2022 10:52

Answers: 16

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Grundaus • 12 Apr 2022 16:38

Potable Water Station Connected to a 500-Liter Buffer Tank

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lesmue79•9 Apr 2022 11:19

Answers: 8

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lesmue79 • 9 Apr 2022 19:15

What alternative heating options are available to replace gas in a 30-year-old four-unit residential building?

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Heidi1965•6 Apr 2022 13:57

Answers: 6

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Deliverer • 8 Apr 2022 08:54

How to Calculate Heated Building Volume?

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bestens•26 Mar 2022 09:45

Answers: 12

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parcus • 1 Apr 2022 18:40

Air-to-Water Heat Pump – With or Without a Buffer Tank?

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mr.xyz1•23 Mar 2022 16:13

Answers: 28

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4lpha0ne • 31 Mar 2022 16:01

Gas heating combined with solar thermal system for new construction

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Frank1987•26 Mar 2022 19:09

Answers: 24

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WilderSueden • 29 Mar 2022 21:17

Experiences with Choosing a Wood-Burning Stove?

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Sandra.M85•26 Mar 2022 21:10

Answers: 11

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Grundaus • 29 Mar 2022 14:43

Portable or split air conditioner?

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rennschnecke•26 Mar 2022 17:18

Answers: 2

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barfly666 • 27 Mar 2022 09:57

Buy a wood-burning stove as a preventive measure

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Reinhard84.2•8 Mar 2022 22:16

Answers: 27

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Joedreck • 16 Mar 2022 15:53

Is the supply temperature of the air-to-water heat pump too low?

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Tx-25•13 Mar 2022 16:53

Answers: 7

Tolentino • 14 Mar 2022 10:04

New Construction Underfloor Heating System with Heat Pump is Losing Pressure

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immermehr•19 Aug 2021 12:36

Answers: 12

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SaGo_77 • 12 Mar 2022 16:54

Insulated Older Building from 1921: Converting from Gas Heating

Winniefred•8 Mar 2022 11:44

Answers: 31

Winniefred • 11 Mar 2022 15:12

Medium-term conversion from gas heating to heat pump heating?

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Pinkiponk•8 Mar 2022 10:06

Answers: 17

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Daniel-Sp • 9 Mar 2022 14:54

Increase the supply temperature from 40°C to 35°C or not?

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HoisleBauer22•5 Mar 2022 00:47

Answers: 31

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RotorMotor • 7 Mar 2022 23:23

Heating system ignores room thermostat – how to adjust?

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HoisleBauer22•8 Feb 2022 21:53

Answers: 9

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driver55 • 6 Mar 2022 08:40

Bring heat from top to bottom

ateliersiegel•5 Mar 2022 15:00

Answers: 3

ateliersiegel • 5 Mar 2022 16:50

Buying and Selling Heat Pumps Privately

Tolentino•12 Nov 2021 13:52

Answers: 117

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Benutzer200 • 4 Mar 2022 18:29

Underfloor heating or large-area radiators?

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karl.jonas•3 Mar 2022 15:43

Answers: 2

opalau • 3 Mar 2022 17:05

Issues with underfloor heating in one room

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Freedark•23 Feb 2022 14:07

Answers: 10

KingJulien • 2 Mar 2022 19:16

Bartl air-to-water heat pump condensate leaking under the screed

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Bsee2022•25 Feb 2022 17:30

Answers: 2

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driver55 • 27 Feb 2022 15:21

KFW40EE House – Fireplace Use Without Overheating

hellobomm•15 Jan 2022 17:59

Answers: 40

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Deliverer • 26 Feb 2022 23:28

Heat pump – about 60 cycles per day

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Tx-25•22 Feb 2022 10:55

Answers: 2

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Tx-25 • 24 Feb 2022 13:24

Heat pump cycles up to 60 times per day

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Tx-25•22 Feb 2022 07:36

Answers: 1

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guckuck2 • 22 Feb 2022 07:49

Alternatives to Outdoor Installation of an Air Source Heat Pump

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ConnyJash•12 Jan 2022 17:45

Answers: 44

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ConnyJash • 19 Feb 2022 13:54

Assessment of the District Heating Offer...

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Seb_Opf•16 Feb 2022 16:14

Answers: 4

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halmi • 17 Feb 2022 13:52

Is the additional cost of an air-to-water heat pump compared to gas justified?

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SoL•13 Feb 2022 14:20

Answers: 32

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Joedreck • 15 Feb 2022 06:06

Climate Protection Act of Schleswig-Holstein

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sebikiel•12 Feb 2022 18:42

Answers: 15

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sebikiel • 14 Feb 2022 20:36

Decentralized Air-to-Air Heat Pumps / Heating with Air Conditioners in Older Buildings

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Hausbau_new•10 Feb 2022 03:32

Answers: 8

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guckuck2 • 12 Feb 2022 10:30

Is a fan heater for a single room more cost-effective than a gas-fired central heating system?

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däumchen11•8 Feb 2022 16:49

Answers: 5

Mycraft • 9 Feb 2022 07:11

How complex are heat pumps in everyday use?

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hampshire•22 Nov 2021 11:47

Answers: 78

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jerimata • 8 Feb 2022 19:36

What is a reasonable cost for a new gas boiler?

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Mabi2610•4 Feb 2022 17:08

Answers: 57

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Harakiri • 7 Feb 2022 11:21

Overpressure in the domestic hot water pipe

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Tx-25•1 Mar 2021 16:28

Answers: 11

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Tx-25 • 3 Feb 2022 22:47

Which heating system should be used, and how can it be combined with photovoltaic or solar thermal panels?

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Elias_dee•28 Jan 2022 22:28

Answers: 18

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CC35BS38 • 1 Feb 2022 10:50

Alternatives to Night Storage Heaters

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DerHesse2•30 Jan 2022 19:31

Answers: 21

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DerHesse2 • 31 Jan 2022 18:00

Assessment of Heating and Plumbing Quotes

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8asti86•30 Jan 2022 00:38

Answers: 17

Tolentino • 31 Jan 2022 13:50

Adjusting the Heat Pump Airflow Rate

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PeteHope•27 Jan 2022 23:05

Answers: 2

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PeteHope • 27 Jan 2022 23:14

New construction with underfloor heating, mechanical ventilation, and air conditioning

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Ramona13•18 Jan 2022 12:06

Answers: 21

Mycraft • 19 Jan 2022 10:15

Underfloor heating without a thermostat – but how?

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Bauenaberwie•18 Jan 2022 12:37

Answers: 9

Mycraft • 18 Jan 2022 17:30

Underfloor Heating Installation on a Garage Roof Deck

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Andreas94•17 Jan 2022 15:20

Answers: 7

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Benutzer200 • 18 Jan 2022 12:53

Determine the electricity consumption of the air-to-water heat pump as a proportion of the total power consumption.

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Tx-25•2 Jan 2022 13:38

Answers: 45

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Badener1970 • 10 Jan 2022 21:27

Underfloor Heating: Wet Screed or Dry Screed?

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Bob-Bau75•9 Jan 2022 20:41

Answers: 4

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Bob-Bau75 • 10 Jan 2022 20:36

Underfloor Heating in Older Buildings: Retrofitting Options

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littlebird•2 Jan 2022 16:49

Answers: 15

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Deliverer • 6 Jan 2022 21:36

Air-to-Water Heat Pump: Current Consumption and Data

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Bookstar•29 Sep 2020 11:06

Answers: 1439

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Deliverer • 4 Jan 2022 14:52

Moving Away from Fossil Fuels – House Built in 1999

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Pianist•19 Dec 2021 11:15

Answers: 55

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Pianist • 4 Jan 2022 09:14

Ground Source Heat Pump for a 200 m² Single-Family Home with Underfloor Heating, KfW55 Standard – Settings and Optimization

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grericht•4 Nov 2021 20:21

Answers: 91

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grericht • 3 Jan 2022 22:35

Heat Pump for Space Cooling Combined with a Split Air Conditioner?

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Flitz86•2 Jan 2022 21:32

Answers: 3

Mycraft • 3 Jan 2022 17:50

What type of water do you use in your underfloor heating system?

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annab377•3 Jan 2022 13:42

Answers: 3

Mycraft • 3 Jan 2022 14:55

Hydraulic balancing for air-to-water heat pump + high-efficiency circulation pump

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lesmue79•3 Jan 2021 23:07

Answers: 109

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lesmue79 • 2 Jan 2022 21:18

Ground Source Heat Pump or Gas Boiler – Experiences?

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Zipfel_21•1 Jan 2022 09:16

Answers: 17

Mycraft • 1 Jan 2022 21:20

Experiences with Thin-Film Underfloor Heating Systems

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paulch7•1 Jan 2022 13:19

Answers: 4

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paulch7 • 1 Jan 2022 19:15

Install the chimney as a precautionary measure

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Nick Name•24 Dec 2021 01:12

Answers: 12

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driver55 • 28 Dec 2021 10:38

Refilling Water in a Gas Condensing Boiler System

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Ippebson•19 Dec 2021 14:37

Answers: 1

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Ippebson • 26 Dec 2021 09:55

Subsidy Amount for Circulation Pump and Overflow Valve

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lesmue79•24 Dec 2021 10:58

Answers: 15

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lesmue79 • 26 Dec 2021 07:44

What supply water temperatures are you currently using?

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lesmue79•24 Oct 2021 10:27

Answers: 192

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lesmue79 • 23 Dec 2021 16:59

DHW Load Heat Pump Water Tank Fujitsu

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Malz1902•22 Dec 2021 07:53

Answers: 0

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Malz1902 • 22 Dec 2021 07:53

Interaction between Air-to-Water Heat Pump and Gas Condensing Boiler?

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Forsberg21•19 Dec 2021 09:24

Answers: 17

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Benutzer200 • 20 Dec 2021 21:11

Updating an Older Home with Underfloor Heating – Experiences

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Heiko_W•18 Dec 2021 22:09

Answers: 4

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Heiko_W • 19 Dec 2021 14:20

Underfloor Heating – Flow Meters Show Zero Despite Flow

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BananaJoe•17 Dec 2021 15:58

Answers: 9

OWLer • 17 Dec 2021 19:38

Experiences with gas boilers, including brands and types used

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Frankxxx•20 Oct 2021 14:58

Answers: 11

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Deliverer • 17 Dec 2021 18:28

Reducing Air-to-Water Heat Pump Vibrations on the Exterior Wall

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bauherr201615•12 Dec 2021 10:27

Answers: 9

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Deliverer • 16 Dec 2021 19:22

Is a Specialized Insurance Required for Soil Drilling?

MaxiFrett•15 Dec 2021 19:23

Answers: 8

Tarnari • 16 Dec 2021 17:48

Converting or disconnecting towel warmers to electric operation

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Pamiko•12 Dec 2021 17:01

Answers: 18

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Alessandro • 16 Dec 2021 08:05

Negative pressure control for air-to-air heat pump

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Zenjamino•6 Apr 2021 18:45

Answers: 12

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Zenjamino • 15 Dec 2021 15:24

Fireplace and Underfloor Heating – Is Forced Air or Heat Storage More Efficient?

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erazorlll•21 Nov 2021 17:36

Answers: 18

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erazorlll • 15 Dec 2021 12:02

Samsung air-to-water heat pump with fully integrated air conditioning system

Araknis•20 Oct 2021 11:54

Answers: 8

Mycraft • 13 Dec 2021 20:14

Wall heating systems do not reach the desired temperature

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EdelStoff•8 Dec 2021 20:22

Answers: 53

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driver55 • 11 Dec 2021 18:26

Gas boiler, Eco or Comfort hot water setting

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bortel•7 Dec 2021 12:20

Answers: 2

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bortel • 8 Dec 2021 07:06

Is a brine-to-water heat pump still worthwhile for a KfW 40+ energy standard building?

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009_frank•6 Dec 2021 10:36

Answers: 34

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guckuck2 • 7 Dec 2021 08:17

Fireplace Stove External Air Supply – What Is the Best Technology for It?

ateliersiegel•2 Dec 2021 13:54

Answers: 22

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hampshire • 4 Dec 2021 16:25

Air-to-water heat pump: Monoblock or split system? Is the installation location suitable?

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Bauenaberwie•29 Nov 2021 12:34

Answers: 5

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Bauenaberwie • 29 Nov 2021 16:12

Hysteresis in Bosch / Junkers HPC 400

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bauherr201615•27 Nov 2021 07:36

Answers: 2

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RotorMotor • 27 Nov 2021 13:21

Roth Heat Pump Single-Family Home Settings / Optimization

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Hockey6•8 Nov 2021 10:39

Answers: 23

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Daniel-Sp • 25 Nov 2021 21:23

What kind of fireplace guard is recommended?

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Tom1978•18 Nov 2021 07:56

Answers: 29

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chand1986 • 23 Nov 2021 17:46

Gas Price Increase Effective January 1, 2022

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ypg•14 Nov 2021 23:03

Answers: 137

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Tom1978 • 21 Nov 2021 19:23

Should the hydraulic balancing and individual room control be deactivated?

Golfi90•6 Oct 2020 12:15

Answers: 51

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annab377 • 21 Nov 2021 10:35

DHW Tank – Heat Loss per Hour/Day

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Malz1902•18 Nov 2021 13:45

Answers: 4

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Daniel-Sp • 18 Nov 2021 17:41

Thermostat normally closed (NC) or normally open (NO)

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XAMMAX2•18 Nov 2021 10:10

Answers: 6

face26 • 18 Nov 2021 10:53

Install a digital thermostat. Remove the Cosmo unit.

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XAMMAX2•15 Nov 2021 13:20

Answers: 5

Mycraft • 18 Nov 2021 10:50

Hydraulic Balancing / Thermal Balancing

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lesmue79•17 Nov 2021 08:59

Answers: 0

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lesmue79 • 17 Nov 2021 08:59

Electric Towel Warmers vs. Traditional Bathroom Radiators

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AleXSR700•15 Nov 2021 17:56

Answers: 31

Ibdk14 • 16 Nov 2021 11:15

Can you place a hot water storage tank directly on the screed?

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Pacc666•16 Nov 2021 07:33

Answers: 4

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motorradsilke • 16 Nov 2021 09:14

What is the correct thermostat setting for a Danfoss AVT district heating hot water system?

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Malaka110•14 Nov 2021 16:46

Answers: 0

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Malaka110 • 14 Nov 2021 16:46

Central room temperature controller for the fan coil unit (FCU) of the underfloor heating system

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micric3•23 Jun 2020 11:34

Answers: 76

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micric3 • 12 Nov 2021 16:20