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!

Domestic hot water heat pump plus air-to-water heat pump?

Bauherr&-frau•31 Oct 2018 20:07

Answers: 3

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Illo77 • 20 Nov 2018 14:11

Single-sided or double-sided fireplace

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chrisw81•12 Nov 2018 09:56

Answers: 50

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chrisw81 • 15 Nov 2018 13:50

Wall thermostat with rotary dial from Busch-Jaeger

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Nafets444•13 Nov 2018 13:09

Answers: 30

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Der-w • 14 Nov 2018 09:29

Is Regular Heating System Maintenance Really Worthwhile?

Basti2709•8 Nov 2018 07:54

Answers: 11

Y

ypg • 9 Nov 2018 09:56

Sound insulation for fire-rated doors? Is that possible?

DieScholz´ens•6 Nov 2018 10:37

Answers: 2

DieScholz´ens • 6 Nov 2018 11:06

Floor screed heating program using liquid gas / gas boiler Vitodens

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Mat91•2 Nov 2018 11:45

Answers: 7

A

Alex85 • 2 Nov 2018 19:28

Which room thermostat do you use?

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Scheler•30 Oct 2018 01:47

Answers: 5

Mycraft • 30 Oct 2018 09:13

Is the soundproofing of the chimney properly installed? Any experiences?

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Snowy36•3 Oct 2018 11:42

Answers: 2

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Snowy36 • 28 Oct 2018 18:06

Heating Program Procedure After Screed Installation

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Goldi09111•25 Oct 2018 21:07

Answers: 6

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Bookstar • 26 Oct 2018 11:22

Tip for Deep Borehole Geothermal Energy in Schleswig-Holstein

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MelanieSH•22 Oct 2018 19:59

Answers: 4

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Bookstar • 23 Oct 2018 17:55

Heating connection valve manifold cutting ring

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sn00ze•21 Oct 2018 16:08

Answers: 6

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sn00ze • 23 Oct 2018 10:56

Heating: Low-Temperature or High-Temperature System?

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Meini76•21 Oct 2018 19:38

Answers: 7

M

Meini76 • 22 Oct 2018 22:59

Underfloor Heating Distance from Balcony Doors

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Snowy36•20 Oct 2018 16:50

Answers: 19

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Snowy36 • 22 Oct 2018 18:50

Ground source heat pump / underfloor heating

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enqel18•21 Oct 2018 20:51

Answers: 2

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enqel18 • 22 Oct 2018 07:10

Heating System Experiences Compared for New Construction

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Lamenta•28 Jun 2018 17:02

Answers: 14

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Snowy36 • 21 Oct 2018 10:25

Air source heat pump is not heating, but hot water works fine

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Snowside•4 Oct 2018 07:21

Answers: 28

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HilfeHilfe • 16 Oct 2018 19:27

What is the proper approach to selecting building services systems?

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alexisan•13 Oct 2018 14:06

Answers: 8

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Nordlys • 14 Oct 2018 13:10

Three-quarters of the energy is used for hot water production, and one-quarter for heating.

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fraubauer•12 Oct 2018 10:31

Answers: 5

tomtom79 • 12 Oct 2018 23:44

General Contractor Offer – Heating and Plumbing: Is It Acceptable?

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Dirk5000•8 Oct 2018 02:58

Answers: 16

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Bookstar • 10 Oct 2018 10:31

Is it necessary to heat the attic during winter?

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PigLePeSa•7 Oct 2018 09:46

Answers: 4

Musketier • 8 Oct 2018 13:30

Replacing Radiant Floor Heating with a Different Underfloor Heating System – Is It Worthwhile?

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Oliver12•4 Oct 2018 10:49

Answers: 8

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Oliver12 • 4 Oct 2018 18:25

Electricity Consumption of Oil Heating System

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dEfAuLt2k•3 Oct 2018 15:57

Answers: 5

D

dertill • 4 Oct 2018 08:35

Gas Heating + Solar vs. Pellet Heating

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El_Burrito•25 Sep 2018 13:35

Answers: 3

E

El_Burrito • 26 Sep 2018 15:26

Experience with CTA heat pumps?

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ivenh0•24 Sep 2018 18:41

Answers: 2

montessalet • 24 Sep 2018 20:21

Replacing an oil heating system—what are the alternatives?

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LaPanther•15 Sep 2018 18:19

Answers: 11

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LaPanther • 16 Sep 2018 23:00

Heating (Heat Pump) Incorrect, Heating Capacity Too High?

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JHT2018•12 Sep 2018 09:46

Answers: 14

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boxandroof • 14 Sep 2018 11:20

Heating pipe embedded in the concrete ceiling of the garage

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aisukei•7 Sep 2018 09:36

Answers: 2

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dertill • 12 Sep 2018 08:01

Is the annual energy consumption of the air-to-water heat pump reasonable?

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LincolnHawk86•5 Sep 2018 13:23

Answers: 10

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smodon • 6 Sep 2018 22:56

Pantry: Is a heating loop useful with a mechanical ventilation system?

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Dark_Templar•2 Sep 2018 21:04

Answers: 14

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fragg • 4 Sep 2018 11:18

Is an offer for heating, plumbing, and ventilation really this realistic?

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Mccm1984•11 Mar 2018 16:10

Answers: 55

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ruppsn • 1 Sep 2018 12:46

Upgrading Viessmann Vitolig 200 Wood Boiler with Solar Thermal System

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William2017•30 Aug 2018 08:55

Answers: 6

wrobel • 30 Aug 2018 20:26

Old oil heating system for a two-family house

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heizer_18•27 Aug 2018 22:14

Answers: 5

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dertill • 28 Aug 2018 12:47

District heating or another heating technology?

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bbkhacki•20 Aug 2018 13:21

Answers: 6

A

Alex85 • 21 Aug 2018 18:40

Heat Pump for Urban Villa – Selection Guide

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Stumpy•20 Aug 2018 23:24

Answers: 1

ares83 • 21 Aug 2018 08:22

Air-to-water heat pump for 300 sqm living space + indoor unit + cooling – any recommendations?

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Sascho•19 Aug 2018 17:53

Answers: 2

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Sascho • 19 Aug 2018 19:46

Mechanical Ventilation with Heat Recovery – You Can Hear Every Word from Another Room – Is This Normal?

Dodo86•30 Jul 2018 22:43

Answers: 59

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Grobmutant • 13 Aug 2018 14:46

Help with Choosing the Type of Heat Pump

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((andreas))•10 Aug 2018 12:58

Answers: 9

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((andreas)) • 13 Aug 2018 09:34

Experience with Heating Costs and Domestic Hot Water Production: Gas versus Air-to-Water Heat Pump

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Stefan890•7 Aug 2018 22:30

Answers: 1

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Nordlys • 7 Aug 2018 23:36

Insert Fireplace Unit – Which Manufacturer?

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Grantlhaua•1 Aug 2018 19:02

Answers: 8

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Bookstar • 7 Aug 2018 14:07

Retrofitting a split air conditioning system.

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Egon12•6 Aug 2018 08:39

Answers: 2

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EinMarc • 6 Aug 2018 12:41

Install the outdoor unit of the air-to-water heat pump indoors

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TheRider•30 Jul 2018 09:05

Answers: 4

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Domski • 30 Jul 2018 12:35

What should you consider when buying a tunnel or see-through fireplace?

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W8ne3•23 Jul 2018 21:09

Answers: 5

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hampshire • 24 Jul 2018 23:52

Underfloor Heating: Gas Boiler or Air-to-Water Heat Pump

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Kalle88•22 Jul 2018 15:57

Answers: 5

Mycraft • 23 Jul 2018 12:39

Air-to-Water Heat Pump: Indoor or Outdoor Installation?

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Thierse•16 Jul 2018 13:07

Answers: 3

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boxandroof • 17 Jul 2018 20:50

Heating with gas, ventilation through a mechanical ventilation system, and cooling with air conditioning?

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EinMarc•15 Jul 2018 19:03

Answers: 6

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EinMarc • 17 Jul 2018 19:42

Viessmann Gas Boiler Vitodens 200-W: 26 kW or 35 kW Version?

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Pädda•13 Jul 2018 18:05

Answers: 4

A

Alex85 • 14 Jul 2018 16:53

Geothermal Heat Pump Cost Efficiency

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Pepsan•9 Jul 2018 20:53

Answers: 10

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Kekse • 11 Jul 2018 17:22

Heat Pumps: General Questions About Retrofitting

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Lester•4 Jul 2018 23:08

Answers: 1

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dertill • 5 Jul 2018 10:56

Why Radiators Are Not Installed on Central Interior Walls

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DRDRWHO•2 Jul 2018 07:06

Answers: 4

11ant • 2 Jul 2018 21:00

Heating in the Attic or Basement? Older Building

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DRDRWHO•2 Jul 2018 07:00

Answers: 1

wrobel • 2 Jul 2018 19:43

KfW70 Standard: Heating – Where Are the Pellet Stoves?

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caddar•27 Jun 2018 15:28

Answers: 6

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Alex85 • 29 Jun 2018 10:36

Which type of gas boiler is best suited for a new build?

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schmidt1904•27 Jun 2018 07:14

Answers: 4

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Nutshell • 27 Jun 2018 21:57

Which manufacturer should I choose for underfloor heating?

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Chris2806•23 Jun 2018 18:49

Answers: 2

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boxandroof • 27 Jun 2018 12:37

What size should a heating buffer tank have – single-family home

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Namrontor•24 Jun 2018 20:56

Answers: 5

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boxandroof • 26 Jun 2018 17:39

Basement needs to be warmer – underfloor heating, insulation?

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drakrochma•18 Mar 2018 16:13

Answers: 11

D

drakrochma • 20 Jun 2018 20:48

Is it sensible to install a heat pump and booster together?

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StefanWinkler•19 Jun 2018 23:17

Answers: 2

S

Sondelgeher12 • 20 Jun 2018 16:03

New Construction Heating System Planning for Multi-Family Residential Buildings

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Baufreund2018•19 Jun 2018 19:49

Answers: 1

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hampshire • 20 Jun 2018 00:09

Help: Identifying the Causes of High Electricity and Water Bills

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Serina85•19 Jun 2018 01:34

Answers: 14

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HilfeHilfe • 19 Jun 2018 09:42

Gas condensing boiler – the challenge of choice

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Baerich0815•17 Jun 2018 09:22

Answers: 0

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Baerich0815 • 17 Jun 2018 09:22

The heating system does not fit into the utility room as planned.

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hondazp11•11 Jun 2018 00:11

Answers: 27

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HilfeHilfe • 16 Jun 2018 13:53

New Heating System Installation – Cost Estimate

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Bux1984mm•14 Jun 2018 21:45

Answers: 4

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Bux1984mm • 15 Jun 2018 23:05

Is having a fireplace still practical in new construction homes today – any experiences?

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PSK•20 Mar 2018 23:34

Answers: 63

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Tom1607 • 11 Jun 2018 18:07

Control unit for oil heating system in manual operation

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Hiburner•10 Jun 2018 19:41

Answers: 11

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Fuchur • 11 Jun 2018 17:42

Sizing of Solar Thermal Systems

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BenutzerPC•7 Jun 2018 19:19

Answers: 3

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Nordlys • 7 Jun 2018 21:22

Air-source heat pump combined with a hydronic (water-based) fireplace

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Almo85•30 May 2018 13:50

Answers: 18

Mycraft • 6 Jun 2018 16:45

Automation of a Mechanical Ventilation with Heat Recovery (MVHR) System

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Hausbauer1•23 May 2018 17:44

Answers: 32

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Deliverer • 6 Jun 2018 13:55

Air-to-water heat pump including ventilation system vs. ground-source heat pump including ventilation system

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Bauer2018•31 May 2018 08:51

Answers: 15

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ruppsn • 31 May 2018 13:36

Air-to-water heat pump or gas heating combined with controlled ventilation in a 135 sqm single-family home?

M4rvin•18 Apr 2018 19:29

Answers: 19

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Aliban2014 • 28 May 2018 19:37

Water Damage Caused by Heating System. Warranty According to Construction Contract Procedures (VOB)

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nowak222•21 May 2018 10:16

Answers: 12

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Payday • 25 May 2018 13:22

Diagram of an air-to-water heat pump system with two storage tanks

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bauibaui•22 May 2018 00:41

Answers: 7

ares83 • 22 May 2018 20:19

Attic conversion, subfloor construction for underfloor heating

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alexvdb•20 May 2018 12:41

Answers: 1

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Tom1607 • 20 May 2018 13:25

Heating and ventilation system has broken down multiple times

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m_l_r_s•15 May 2018 13:36

Answers: 3

Mycraft • 15 May 2018 20:21

Does the stove need to be removed?

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Anoxio•15 May 2018 12:32

Answers: 0

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Anoxio • 15 May 2018 12:32

Protection of Underfloor Heating Pipes Between Screed Sections

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Thomas F.•11 May 2018 14:10

Answers: 3

Mycraft • 12 May 2018 09:45

Underfloor heating: actual supply temperature remains constant

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j.bluminger•9 May 2018 00:26

Answers: 2

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boxandroof • 10 May 2018 16:17

Which heating boiler should be used as a replacement?

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Kimi190•9 May 2018 08:09

Answers: 3

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Deliverer • 9 May 2018 09:39

Ultrasonic Mist Sprayer Fan

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Henry G.•3 May 2018 13:06

Answers: 6

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Deliverer • 7 May 2018 11:16

Which Heating System Is Best for an Older Home?

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Specki•4 May 2018 13:11

Answers: 1

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Alex85 • 4 May 2018 17:27

Heating system for a 400 sqm multi-family house with KfW 55 energy standard

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Lückenfüller•23 Apr 2018 17:42

Answers: 7

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Lückenfüller • 4 May 2018 11:05

Gas Heating + Solar & Controlled Ventilation or Air-to-Water Heat Pump Energy Saving Regulation 2016

Filstal•21 Apr 2018 11:26

Answers: 26

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Joedreck • 29 Apr 2018 12:47

Exhaust Venting for Condensing Boilers and Gas Furnaces

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rajko•14 Apr 2018 09:17

Answers: 1

Knöpfchen • 24 Apr 2018 14:22

Connecting Radiators

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reeneex•19 Apr 2018 18:43

Answers: 7

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Tom1607 • 22 Apr 2018 19:18

Who has a gas heating system combined with a mechanical ventilation system with heat recovery, but without solar panels, according to the 2016 Energy Saving Regulations (EnEV)?

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Pädda•19 Apr 2018 20:45

Answers: 3

ares83 • 20 Apr 2018 14:14

Heat Pump Domestic Hot Water Storage Tank – What Size Is Recommended?

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Tommes78•30 Jan 2018 10:01

Answers: 12

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Meicel • 17 Apr 2018 19:51

Indoor humidity as high as outdoor humidity

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Maddin0181•13 Apr 2018 20:57

Answers: 6

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Meicel • 17 Apr 2018 19:48

Heating duct fitting – looking for position guidance

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reeneex•15 Apr 2018 09:44

Answers: 4

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reeneex • 15 Apr 2018 16:49

Ground source heat pump – electricity consumption for screed drying cycle

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Wickie•14 Apr 2018 07:38

Answers: 5

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Wickie • 15 Apr 2018 06:08

Decision on Heating System (Including Breakdown of Investment Costs)

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Dirk5000•12 Apr 2018 08:42

Answers: 9

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Alex85 • 13 Apr 2018 12:38

Your current heating consumption

Nafetsm•7 Dec 2016 21:34

Answers: 80

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Saruss • 12 Apr 2018 13:53

Is the cost estimate for an air source heat pump and underfloor heating realistic?

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Jenni486•11 Apr 2018 06:24

Answers: 4

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Jenni486 • 11 Apr 2018 18:19

Condensing Gas Boiler, Air-to-Water Heat Pump, Fuel Cells – Request for Advice

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gmt94•9 Apr 2018 20:46

Answers: 29

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gmt94 • 10 Apr 2018 20:16

There is an oil heating system in place; would it be better to convert it to gas?

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DanielÄnni•25 Mar 2018 15:40

Answers: 10

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Caspar2020 • 7 Apr 2018 15:38

Programming heating settings for nighttime hours

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Mizit•15 Mar 2018 22:50

Answers: 48

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86bibo • 6 Apr 2018 10:08

Renovating or Adding a Story to a House: Can the Existing Heating System Be Retained?

untergasse43•4 Apr 2018 09:52

Answers: 3

wrobel • 5 Apr 2018 11:11

New construction KfW55 energy standard with gas heating, solar panels, and controlled ventilation system with heat recovery

XeNiA•22 Oct 2016 14:03

Answers: 43

XeNiA • 3 Apr 2018 09:09

Heating System Concept for Discussion: Gas, Solar, and Wood

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Baraja•1 Apr 2018 15:03

Answers: 14

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Baraja • 2 Apr 2018 15:03

Which Air Source Heat Pump? What Sizing?

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illusionslos•29 Mar 2018 11:01

Answers: 1

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M4dman • 29 Mar 2018 13:17

Planning a Ground Loop / Water Source Heat Pump – Who Has Experience With This?

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schloddy23•24 Mar 2018 09:02

Answers: 3

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toxicmolotof • 27 Mar 2018 14:33

Water-Bearing Fireplace or Wood Gasifier – Experiences?

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Chris2806•22 Mar 2018 20:44

Answers: 14

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Joedreck • 27 Mar 2018 14:33

Fireplace - Fresh Air Supply Through the Basement or via the Chimney?

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Flauti•26 Mar 2018 10:12

Answers: 4

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Kekse • 27 Mar 2018 08:22