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!

Chimney – Planning Errors by Architects or General Contractors

Arifas•17 Mar 2018 00:23

Answers: 31

11ant • 17 Mar 2018 20:09

Alternatives to gas – how cost-effective are they?

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junge_familie•10 Mar 2018 14:15

Answers: 32

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apokolok • 12 Mar 2018 16:23

Radiators or underfloor heating: Which option is recommended in these circumstances?

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jundb•8 Mar 2018 17:29

Answers: 23

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Kekse • 9 Mar 2018 09:39

Heating Demand KfW 55 / KfW 70 and Energy Consumption Costs

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Aliban2014•7 Mar 2018 13:25

Answers: 10

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Zaba12 • 8 Mar 2018 13:51

Is a heat load calculation necessary when specifying desired indoor temperatures?

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Pädda•6 Feb 2018 12:04

Answers: 14

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Sondelgeher12 • 8 Mar 2018 12:54

Are digital thermostats for underfloor heating worthwhile? Is the additional cost justified?

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schmidt1904•3 Mar 2018 21:56

Answers: 24

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ypg • 7 Mar 2018 10:37

Range hood – How can I connect it correctly?

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Klebertrupp•6 Mar 2018 16:18

Answers: 0

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Klebertrupp • 6 Mar 2018 16:18

Solar thermal and/or photovoltaic systems – who has experience?

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AnNaHF79•4 Mar 2018 17:03

Answers: 9

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Fuchur • 4 Mar 2018 21:41

Setting the underfloor heating – desired temperature preference

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nils1985•25 Feb 2018 21:41

Answers: 63

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Malz1902 • 4 Mar 2018 08:03

Decentralized Ventilation in the Basement – Significant Issues

DReffects•19 Oct 2017 23:20

Answers: 3

DReffects • 2 Mar 2018 00:05

Replacement Thermostat for Underfloor Heating – Which One Is the Right Choice?

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just4•27 Feb 2018 20:39

Answers: 2

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just4 • 28 Feb 2018 16:47

Excessive indoor humidity. 60-70% during winter months.

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bpe87•29 Dec 2017 14:10

Answers: 33

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bpe87 • 27 Feb 2018 08:44

Which manufacturer of air-to-water heat pumps, according to the quotes, would you recommend?

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Skyfire•24 Feb 2018 07:33

Answers: 1

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haydee • 24 Feb 2018 07:46

Air-to-water heat pump, hydronic pellet stove, and photovoltaic system

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DanielaS•21 Feb 2018 17:14

Answers: 17

wrobel • 22 Feb 2018 14:48

Heating with Electricity – Infrared Heaters? Looking for Experiences

kaho674•12 Feb 2018 13:54

Answers: 17

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Fuchur • 21 Feb 2018 18:38

Too cold to install the underfloor heating?

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Tanita•6 Feb 2018 14:30

Answers: 11

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Tanita • 21 Feb 2018 08:50

Is it practical to have a stove along with a ventilation and exhaust system?

blaupuma•17 Feb 2018 14:45

Answers: 31

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Müllerin • 20 Feb 2018 16:57

Heat Pump Calculation Formula Based on Heating Load

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Bitknight•14 Feb 2018 09:27

Answers: 18

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Bitknight • 20 Feb 2018 09:31

Utility Costs Settlement – How Should the Statement Be Prepared?

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Marchonisch•17 Feb 2018 15:11

Answers: 21

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Bieber0815 • 19 Feb 2018 08:49

Heating system breaks down two weeks after costly maintenance – fuel tank cleaning?

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Mizit•12 Feb 2018 10:46

Answers: 17

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Nordlys • 18 Feb 2018 20:37

Land, Heating Systems, Experience – Does Anyone Know This Company?

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anat79•14 Feb 2018 15:54

Answers: 0

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anat79 • 14 Feb 2018 15:54

Adding a buffer tank to a wood-burning stove?

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Coradus•8 Feb 2018 22:15

Answers: 3

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Coradus • 12 Feb 2018 09:16

Water softening and filling system for heat pump

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Alex85•11 Feb 2018 17:51

Answers: 5

seth0487 • 11 Feb 2018 23:14

Calculation of Electricity Consumption Based on Heating Demand?

tecker2010•8 Feb 2018 20:02

Answers: 19

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HilfeHilfe • 11 Feb 2018 08:55

Circulation pump – 10 seconds until hot water arrives

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Malz1902•30 Jan 2018 07:29

Answers: 10

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Malz1902 • 30 Jan 2018 20:00

Air Source Heat Pump and Hydronic Fireplace – Experiences

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Crimson•22 Jan 2018 11:06

Answers: 12

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Specki • 24 Jan 2018 11:01

No underfloor heating in the hallway of the attic?

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chrivo•21 Jan 2018 16:16

Answers: 5

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Knallkörper • 24 Jan 2018 08:00

Heating system for older buildings – pellet boiler or oil condensing boiler

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Rainer47•23 Jan 2018 12:20

Answers: 6

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Joedreck • 24 Jan 2018 05:50

Domestic Hot Water Heat Pump Settings – Day and Night Modes

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Malz1902•23 Jan 2018 12:33

Answers: 2

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Joedreck • 23 Jan 2018 21:08

Funding from BAFA for Ground Source Heat Pumps – Should You Wait for the Official Approval First?

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Möhnesee•22 Jan 2018 16:43

Answers: 8

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Möhnesee • 22 Jan 2018 21:42

Fireplace or Stove in the 2016 Energy Saving Regulation for New Buildings

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Pädda•18 Jan 2018 05:20

Answers: 10

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Nordmann • 22 Jan 2018 20:14

Underfloor heating circuit and towel warmer

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Tooobi•21 Jan 2018 14:31

Answers: 6

wrobel • 21 Jan 2018 23:27

Sizing of Domestic Hot Water Storage for District Heating Systems?

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Christian NW•18 Jan 2018 07:21

Answers: 7

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Christian NW • 18 Jan 2018 16:21

Should an unused basement in a new build be heated or not?

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Hubert123•15 Jan 2018 19:50

Answers: 14

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Joedreck • 16 Jan 2018 20:59

Panoramic Fireplace: Camina, Brunner, or Something Completely Different?

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mutant-enemy•7 Jan 2018 10:36

Answers: 7

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Domski • 9 Jan 2018 11:57

Tunnel fireplace / see-through fireplace with independent air supply

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M.arco•6 Jan 2018 13:17

Answers: 3

berny • 7 Jan 2018 09:21

Is gypsum plaster or another type of plaster sufficient for use with a ventilation system?

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Schluffi0815•4 Jan 2018 20:53

Answers: 3

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Tom1607 • 5 Jan 2018 12:24

Which heating system should be chosen for a new building?

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Peter1989•2 Jan 2018 15:59

Answers: 30

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Joedreck • 4 Jan 2018 18:27

Extension of the screed recess. Use a different screed material?

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seol_1984•2 Jan 2018 08:33

Answers: 1

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seol_1984 • 3 Jan 2018 11:34

Heating the Attic – What Is the Best Approach?

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ticketsystem•1 Jan 2018 15:08

Answers: 0

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ticketsystem • 1 Jan 2018 15:08

Optimal Temperature for a 300-Liter Hot Water Storage Tank?

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Curly•22 Dec 2017 09:39

Answers: 17

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Joedreck • 24 Dec 2017 11:37

Heat Pump Controllers from Dimplex – Some Questions

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derSteph•15 Dec 2017 14:22

Answers: 2

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Henny0710 • 21 Dec 2017 11:16

Energy Saving Regulations with Gas Boiler and Heat Recovery Ventilation Instead of Solar?

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Majin•29 Oct 2017 13:04

Answers: 15

ares83 • 21 Dec 2017 06:16

Completion of underfloor heating rough-in installation

berny•19 Dec 2017 13:10

Answers: 3

berny • 19 Dec 2017 21:38

Request missing equipment and hydraulic separator after inspection

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hstkai•15 Dec 2017 09:05

Answers: 12

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Bieber0815 • 18 Dec 2017 10:49

Radiator Removed – Preventing Pipe Bursts Due to Cold Temperatures

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DerRoman•15 Dec 2017 23:25

Answers: 2

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DerRoman • 16 Dec 2017 08:11

Sizing of Hot Water Heater and Heating and Ventilation Systems—Is It Proper?

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mertmk3•11 Dec 2017 07:34

Answers: 15

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mertmk3 • 13 Dec 2017 07:50

Costs of a Geothermal Borehole – Is It Worth It in Our Case?

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arnonyme•1 Dec 2017 14:02

Answers: 32

ares83 • 7 Dec 2017 18:26

Outdoor sensor connection cable – Is this installed by the electrician?

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Dosihris•20 Nov 2017 15:11

Answers: 6

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Joedreck • 4 Dec 2017 12:25

Wood Stove – An Efficient Supplement to an Air-to-Water Heat Pump?

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AndreasPlü•29 Nov 2017 20:34

Answers: 5

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Bau-Schmidt • 30 Nov 2017 07:51

Underfloor heating is not warming up – 20,000 kWh energy consumption

BrosBrosBros•24 Nov 2017 07:46

Answers: 11

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Joedreck • 25 Nov 2017 15:06

Wibo electric heater to prevent dampness in the stairwell?

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Hausbesitzer5•22 Nov 2017 23:43

Answers: 0

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Hausbesitzer5 • 22 Nov 2017 23:43

Heating System Underfloor Heating New Construction Solid House

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RonnySchulz•18 Nov 2017 19:52

Answers: 6

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Joedreck • 19 Nov 2017 12:25

Is a water softening system necessary for an air-source heat pump with a stratified storage tank?

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krischaaan•16 Nov 2017 22:33

Answers: 2

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Bau-Schmidt • 17 Nov 2017 07:13

Heating: Partial Knowledge, Conflicting Advice, Uncertainty

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cybergnom•14 Nov 2017 20:32

Answers: 7

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Farilo • 15 Nov 2017 14:16

Energy Saving for Heating and Hot Water

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Zeltli•14 Nov 2017 10:30

Answers: 1

markus2703 • 14 Nov 2017 10:43

Brick wall damaged by excavator

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Trasher19•6 Nov 2017 08:37

Answers: 12

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Tom1607 • 13 Nov 2017 10:04

Replacement of Old Night Storage Heaters with Modern Electric Heating Systems

MaxPower90•9 Nov 2017 08:18

Answers: 16

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Bau-Schmidt • 12 Nov 2017 17:34

Underfloor Heating / Wall Heating / Ceiling Heating – Alternatives?

DieScholz´ens•2 Nov 2017 09:30

Answers: 18

DieScholz´ens • 12 Nov 2017 16:30

No More Quality in SCAN Wood Stoves?

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Olufs•10 Jan 2016 19:20

Answers: 18

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Altbau1930 • 10 Nov 2017 22:04

Drinking water pipes installed directly beneath heating pipes (underfloor heating)

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titoz•7 Nov 2017 23:38

Answers: 5

Kaspatoo • 10 Nov 2017 21:05

New Construction, Wood-Burning Stove, Nominal Heat Output—What Now?

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onyx.dop•8 Nov 2017 10:08

Answers: 38

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HilfeHilfe • 10 Nov 2017 10:40

Gas and Solar Thermal – Questions About the Proposal

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h4nnes•5 Nov 2017 21:56

Answers: 28

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Joedreck • 7 Nov 2017 18:24

Wood log heating in a highly insulated house. How to implement?

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Specki•3 Nov 2017 12:38

Answers: 10

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kkk272729 • 6 Nov 2017 08:32

Gas connection despite air-to-water heat pump and photovoltaic system?

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astron•5 Nov 2017 14:47

Answers: 6

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Joedreck • 5 Nov 2017 17:16

Connect the domestic hot water system to the existing heating system

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Altbau1930•30 Oct 2017 17:45

Answers: 9

11ant • 1 Nov 2017 21:37

Heating System for New Construction – Which Is the Best Option?

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FlohJoe•7 Oct 2017 20:33

Answers: 77

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FlohJoe • 28 Oct 2017 18:13

Heating Oil Tank (Plastic Tank) – How to Read the Fill Level?

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30156030•15 Oct 2017 17:42

Answers: 10

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Deliverer • 16 Oct 2017 15:22

Air-dependent fireplace in a KfW 40 energy-efficient house

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frank_gayer•14 Oct 2017 08:56

Answers: 10

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frank_gayer • 15 Oct 2017 16:24

New Build – Gas Heating and Mechanical Ventilation with Heat Recovery – Without Solar?

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fuba777•4 Oct 2017 22:11

Answers: 9

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Nordlys • 13 Oct 2017 12:04

Flushing the heating manifold; circuits not fully closing

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arner•7 Oct 2017 14:32

Answers: 10

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Tom1607 • 11 Oct 2017 18:49

Embed underfloor heating pipes in the screed layer to the required depth

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tester23•10 Oct 2017 18:01

Answers: 0

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tester23 • 10 Oct 2017 18:01

KfW 55 standard without underfloor heating

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Wutzebaer•7 Oct 2017 00:36

Answers: 38

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Joedreck • 8 Oct 2017 17:52

How often should a gas heating system be serviced?

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Lily•3 Mar 2009 12:59

Answers: 17

RobsonMKK • 7 Oct 2017 17:24

SOLARFOCUS Pellet Heating System Produces Noise

aqua-quattro•25 Sep 2017 23:04

Answers: 0

aqua-quattro • 25 Sep 2017 23:04

Underfloor Heating with Limited Installation Height – Who Has Experience?

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ch-of•12 Sep 2017 13:56

Answers: 1

Kaspatoo • 25 Sep 2017 10:21

Trench collector for brine heat pumps

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Zaba12•22 Sep 2017 13:18

Answers: 18

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winnetou78 • 23 Sep 2017 13:20

Second meter for heating electricity?

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dsTny•21 Sep 2017 14:32

Answers: 5

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toxicmolotof • 21 Sep 2017 16:12

Underfloor heating also in the utility room / technical room

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Curly•6 Sep 2017 13:06

Answers: 19

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Steffen80 • 18 Sep 2017 17:31

Refilling underfloor heating system

BrosBrosBros•11 Sep 2017 09:27

Answers: 6

Basti2709 • 11 Sep 2017 13:05

Preparation for Central Mechanical Ventilation System with Heat Recovery

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zizzi•9 Sep 2017 23:19

Answers: 14

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stefanc84 • 10 Sep 2017 22:20

Air-to-water heat pump with which ventilation option?

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Glembo•8 Sep 2017 09:01

Answers: 4

Kaspatoo • 10 Sep 2017 15:20

District Heating KfW55 - KfW70 Costs for Ventilation and Exhaust Systems

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zizzi•1 Sep 2017 21:35

Answers: 37

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Saruss • 9 Sep 2017 11:28

Evaluation of Pellet Heating Systems for Residential Use

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Tobibi•2 Sep 2017 17:38

Answers: 3

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Alex85 • 3 Sep 2017 06:59

Underfloor heating: yes or no?

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Bertram100•1 Sep 2017 14:44

Answers: 9

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ypg • 1 Sep 2017 22:31

Fireplace Kit - New Construction - Load-Bearing Insulation

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seol_1984•19 Jul 2017 09:12

Answers: 9

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Domski • 30 Aug 2017 12:40

Renovating an Old Building – Gas Heating with Radiators or Underfloor Heating?

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Farilo•25 Aug 2017 23:46

Answers: 10

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Joedreck • 28 Aug 2017 22:15

Is it safe to store food in a room with a gas heating system?

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infors•21 Aug 2017 07:29

Answers: 7

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infors • 21 Aug 2017 13:05

Retrofitting an older building with a new gas heating system – cost estimate

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cobra1982•6 Aug 2017 10:12

Answers: 18

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cobra1982 • 19 Aug 2017 09:21

Heating Energy and Gas Cost Savings Alternative?

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Alexander2010•18 Aug 2017 12:30

Answers: 1

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Saruss • 18 Aug 2017 13:46

Heat loss in hot water supply between the heating system and the bathroom: 40%

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Ostfriese•13 Aug 2017 18:11

Answers: 3

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Ostfriese • 13 Aug 2017 21:45

Solar system not used during warm-up phase

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Steve_D•13 Aug 2017 09:38

Answers: 4

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DNL • 13 Aug 2017 13:57

Water pressure in the gas boiler

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ghostjumper•11 Aug 2017 19:56

Answers: 0

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ghostjumper • 11 Aug 2017 19:56

Underfloor heating layout for a 250 sqm auditorium, complex design

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Adrianm•28 Jul 2017 13:10

Answers: 2

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Adrianm • 28 Jul 2017 14:44

Climate Control: What Is the Best Approach?

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Hausbauer1•15 Jun 2017 20:50

Answers: 64

Mycraft • 28 Jul 2017 10:14

Gas Heating, Flue Installation: Transition from Chimney to Drywall Construction

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müslini•26 Jul 2017 10:52

Answers: 0

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müslini • 26 Jul 2017 10:52

Hot water towel radiator or electric towel warmer?

305er•21 Jul 2017 12:44

Answers: 34

Musketier • 24 Jul 2017 11:21

What is the cost of retrofitting a LAS chimney liner for a gas fireplace?

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Sven1969•22 Jul 2017 09:55

Answers: 1

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Sven1969 • 23 Jul 2017 14:57

Which Type of Chimney?

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DragonyxXL•16 Jun 2016 09:15

Answers: 38

jaeger • 18 Jul 2017 20:26

Type and Setup of Temperature Control – What Is It Called Exactly?

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CiJay•11 Jul 2017 15:04

Answers: 13

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CiJay • 12 Jul 2017 19:07