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!

New Condensing Boiler – Radiator Thermostats

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Neueheizung•14 Oct 2016 19:38

Answers: 5

Mycraft • 17 Oct 2016 16:24

The heating season has begun!

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Legurit•6 Oct 2016 19:06

Answers: 39

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Legurit • 16 Oct 2016 12:25

Painting radiators?!?

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stefanski•12 Oct 2016 20:57

Answers: 4

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Bieber0815 • 14 Oct 2016 09:02

When, where, and how should pellets be ordered? Six-family new construction

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rudiherbert•13 Oct 2016 09:29

Answers: 1

blockhauspower • 13 Oct 2016 11:50

Which heating system is best for a new build without a mechanical ventilation system?

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Alpandian89•4 Oct 2016 10:44

Answers: 21

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ErikErdgas • 13 Oct 2016 10:58

Retrofitting Underfloor Heating: Experiences

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thesit27•12 Oct 2016 12:41

Answers: 7

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FrankH • 12 Oct 2016 19:34

Nano combined heat and power unit

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steffine•11 Oct 2016 21:01

Answers: 1

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Legurit • 11 Oct 2016 22:21

How do you control underfloor heating in a newly built home during initial occupancy?

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rudiherbert•9 Oct 2016 16:16

Answers: 12

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Saruss • 10 Oct 2016 09:03

Which type of heating system is recommended for a KfW 55 energy-efficient house?

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amazingbee•28 Aug 2011 21:12

Answers: 58

ares83 • 7 Oct 2016 20:29

Underfloor Heating Control

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kernm23•29 Sep 2016 11:08

Answers: 19

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Saruss • 7 Oct 2016 17:09

Cost of Pellet Heating System

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Lisa.M•6 Sep 2016 19:10

Answers: 6

Koempy • 5 Oct 2016 08:58

Smart underfloor heating control system

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kernm23•4 Oct 2016 21:37

Answers: 2

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toxicmolotof • 4 Oct 2016 22:01

To all wood stove owners

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Totti86•20 Jan 2016 23:50

Answers: 27

Bautraum2015 • 29 Sep 2016 21:34

Relationship Between Pump Curve and Pipe Network Curve

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gudg1983•22 Sep 2016 10:53

Answers: 5

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Saruss • 26 Sep 2016 19:57

Manufacturer of trench collectors

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Sinus1986•13 Sep 2016 19:14

Answers: 6

WildThing • 16 Sep 2016 07:53

Preparations for a Wood-Burning Stove with Water Heating

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jeti79•15 Sep 2016 18:48

Answers: 8

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Bauexperte • 15 Sep 2016 23:12

Heating and Water Supply Quote Review

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mvossmail•13 Sep 2016 21:17

Answers: 11

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Bieber0815 • 14 Sep 2016 21:57

Underfloor heating with warm and cold spots

Kaspatoo•10 Sep 2016 17:36

Answers: 5

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Tom1607 • 12 Sep 2016 04:09

Hot Water Recirculation Pipe – What Insulation Should Be Used?

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Schmello•29 Aug 2016 15:34

Answers: 29

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Sebastian79 • 5 Sep 2016 18:01

Planning Underfloor Heating for an Extension

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Schmello•22 Aug 2016 14:14

Answers: 6

wrobel • 4 Sep 2016 21:42

Energy Saving Regulations 2014/from 2016 onwards: Heating, Insulation, and Masonry Materials

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Silent010•29 Aug 2016 10:28

Answers: 0

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Silent010 • 29 Aug 2016 10:28

Underfloor heating in the utility room?

tecker2010•11 Aug 2016 20:44

Answers: 6

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Legurit • 12 Aug 2016 14:20

Solar Thermal Collectors – Can They Be More Attractive?

bvb09•10 Aug 2016 19:34

Answers: 5

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toxicmolotof • 11 Aug 2016 23:37

F90 shaft

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Roland_S.•9 Aug 2016 20:52

Answers: 7

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Roland_S. • 10 Aug 2016 21:19

Water-bearing wood stove and domestic hot water heat pump

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Portoalegre•6 Mar 2016 16:50

Answers: 4

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Legurit • 8 Aug 2016 15:36

Is it practical to combine an air-to-water heat pump for underfloor heating with an exhaust air heat pump for domestic hot water?

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BigFlow•8 Aug 2016 14:24

Answers: 0

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BigFlow • 8 Aug 2016 14:24

From August 1st, a 30% government grant will be available for heating system optimization.

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Abzahler•8 Aug 2016 09:52

Answers: 0

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Abzahler • 8 Aug 2016 09:52

Cooling through underfloor heating

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Agrra123•4 Aug 2016 23:07

Answers: 7

One00 • 5 Aug 2016 14:44

New Boiler After 25 Years

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Lucas•4 Aug 2016 10:24

Answers: 14

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Lucas • 4 Aug 2016 15:07

Move-in ready. Heat meter for heating is without power. Heating is working.

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fraubauer•15 Jun 2016 08:56

Answers: 11

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fraubauer • 1 Aug 2016 11:24

First heating cost statement/move-in in a multi-family building? Which meter reading?

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fraubauer•28 Jul 2016 16:25

Answers: 3

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Sebastian79 • 29 Jul 2016 07:38

Replacing electric heating system, no gas connection available

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Stefan01•12 Jul 2016 23:45

Answers: 3

Sir_Kermit • 14 Jul 2016 06:51

Fireplace with direct exhaust venting through a flue pipe

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DragonyxXL•11 Jul 2016 09:21

Answers: 8

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Komposthaufen • 11 Jul 2016 13:18

Maintenance of Gas Heating Systems – Costs?

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Payday•6 Jul 2016 20:50

Answers: 3

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ypg • 9 Jul 2016 12:36

Your Gas Consumption for KfW 70/55 Standards

tabtab•3 Jul 2016 23:20

Answers: 5

tabtab • 4 Jul 2016 10:09

Existing property, looking for a new heating concept

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nelly190•20 Jun 2016 08:53

Answers: 13

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nelly190 • 3 Jul 2016 22:09

Dimension of Hot Water Storage Tank

McEgg•28 Jun 2016 08:46

Answers: 11

McEgg • 1 Jul 2016 15:05

Chimney for KfW 55 Energy-Efficient House

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cumpa•28 Jun 2016 00:28

Answers: 22

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garfunkel • 30 Jun 2016 21:21

Connecting Underfloor Heating to a Conventional Heating System?

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garfunkel•25 Jun 2016 20:58

Answers: 1

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ErikErdgas • 29 Jun 2016 12:02

Underfloor Heating: Is the Pipe Length Too Long?

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AndreasW•22 Jun 2016 19:53

Answers: 7

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Sebastian79 • 25 Jun 2016 06:51

Question about Heat Demand Calculation and Supply Temperature

tecker2010•16 May 2016 17:56

Answers: 11

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krussi • 24 Jun 2016 14:03

Experience with the Genvex Vanvex 295 hot water storage tank

Energiebündel•23 Jun 2016 22:32

Answers: 0

Energiebündel • 23 Jun 2016 22:32

District Heating: Yes or No?

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hubi1411•12 Mar 2015 15:20

Answers: 20

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Unentschieden • 23 Jun 2016 16:28

What is this? Pump connection

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nelly190•21 Jun 2016 20:43

Answers: 2

Jochen104 • 22 Jun 2016 11:37

From what point is a water softener system recommended?

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5schwaben5•11 Jun 2016 21:41

Answers: 11

BastianB • 15 Jun 2016 08:02

Bartl Air-to-Water Heat Pump

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AndreasPlü•10 Jun 2016 10:42

Answers: 3

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Saruss • 13 Jun 2016 23:26

Questions about underfloor heating – new subfloor/screed/granite tiles

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Schwabe87•8 Jun 2016 10:43

Answers: 14

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Peanuts74 • 8 Jun 2016 14:14

Is an air conditioning system with heat pump functionality worthwhile?

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Abzahler•7 Jun 2016 10:03

Answers: 8

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Nordmann • 7 Jun 2016 20:00

No experience with underfloor heating! Previously used a "quick" electric underfloor heating system. What now?

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fraubauer•3 Jun 2016 09:11

Answers: 8

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Sebastian79 • 7 Jun 2016 11:56

New mixer tap for instantaneous water heater

DerMaschinist•24 May 2016 22:52

Answers: 2

DerMaschinist • 1 Jun 2016 16:27

Energy consultation limited to heating systems and financial incentives

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littbarski•31 May 2016 21:07

Answers: 1

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Bauexperte • 1 Jun 2016 11:14

Fine-tuning of underfloor heating in a newly built home under warranty? First occupancy

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fraubauer•28 May 2016 09:10

Answers: 9

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fraubauer • 1 Jun 2016 08:50

Which Heating System to Choose After Replacing a Heating Unit After 30 Years?

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86bibo•25 May 2016 14:33

Answers: 8

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86bibo • 27 May 2016 14:59

Electric heater in the bathroom next to the thermostat?

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Haeusle2016•26 May 2016 13:55

Answers: 1

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Legurit • 26 May 2016 18:01

Which heating system is best for an older home?

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Nuernberg77•25 May 2016 10:20

Answers: 6

wrobel • 26 May 2016 10:23

Salt Efflorescence on the Chimney

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banetz•19 Apr 2016 16:03

Answers: 1

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abo68 • 25 May 2016 23:27

Electric water heating system?

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ReinhardM•16 May 2016 22:15

Answers: 15

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toxicmolotof • 23 May 2016 23:13

Opening for waste water pipe

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MatzeGalle•20 May 2016 16:16

Answers: 3

Mycraft • 20 May 2016 16:50

Choosing the Room Thermostat

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daytona•17 May 2016 09:35

Answers: 3

Mycraft • 17 May 2016 10:05

Experiences with a Fireplace with Water Jacket

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Legurit•24 Apr 2016 10:05

Answers: 34

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Elina • 15 May 2016 13:59

Is the LWZ 304 a practical choice?

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Momad•13 May 2016 21:57

Answers: 0

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Momad • 13 May 2016 21:57

Which heating technology is best for noise-sensitive people?

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enkidu•28 Apr 2016 21:46

Answers: 30

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oleda222 • 12 May 2016 15:01

What type of heating system have you planned?

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Bastel444•10 May 2016 22:04

Answers: 2

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ErikErdgas • 12 May 2016 14:41

Compliance with the 2016 Energy Saving Ordinance using the following heating system

D.Gerner•7 Jan 2016 09:40

Answers: 14

sirhc • 9 May 2016 22:43

Help – Air Source Heat Pump or Ground Source Heat Pump?

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Datin•7 May 2016 10:50

Answers: 12

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Datin • 7 May 2016 21:19

Ground-source heat pump + electric tankless water heater

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Tego12•3 May 2016 18:49

Answers: 1

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nordanney • 3 May 2016 22:01

Gas or air-to-water heat pump

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Haeusle2016•3 Apr 2016 12:26

Answers: 3

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ErikErdgas • 25 Apr 2016 09:11

KfW 70 energy standard with gas condensing boiler, solar water heating, and fireplace

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SilentGalaxy•22 Apr 2016 08:11

Answers: 10

EveundGerd • 24 Apr 2016 10:17

Is the heating system properly sized?

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Schnail•19 Apr 2016 20:05

Answers: 15

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Bauexperte • 20 Apr 2016 08:50

Air-to-water heat pump, mechanical ventilation with heat recovery?

RobertStrande•14 Apr 2016 22:25

Answers: 17

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DragonyxXL • 18 Apr 2016 15:21

Heating circuits/thermostats for living/dining/kitchen areas with underfloor heating/heat pump

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na4012•26 Mar 2016 11:42

Answers: 35

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Peanuts74 • 18 Apr 2016 14:46

Vacuum Storage Tank – Solar Passive House

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imod1•18 Apr 2016 06:55

Answers: 1

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Legurit • 18 Apr 2016 08:20

Are underfloor heating costs completely excessive?

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Cookiea•11 Apr 2016 21:38

Answers: 44

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Caspar2020 • 15 Apr 2016 10:21

Heat Pump Next to Basement Window Well – How to Insulate?

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Dieter_SLS•17 Nov 2015 23:55

Answers: 9

tomtom79 • 13 Apr 2016 17:44

Fuel cell heating system

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Hecki2016•5 Apr 2016 17:47

Answers: 2

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Hecki2016 • 5 Apr 2016 18:14

Vitocal 300 A – in use for over a year now. I have a few questions...

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sucksgsh•18 Jan 2016 19:13

Answers: 23

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T21150 • 2 Apr 2016 21:39

Is it worth installing a smart system with a slow-responding underfloor heating?

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BWS007•31 Mar 2016 10:03

Answers: 4

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BWS007 • 31 Mar 2016 10:36

Gas condensing boiler or ground source heat pump

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Zeltli•25 Mar 2016 08:56

Answers: 7

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bierkuh83 • 30 Mar 2016 12:00

Renovation of Older Homes and Choosing a Heating System

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Bauexperte•16 Mar 2016 11:50

Answers: 5

wrobel • 29 Mar 2016 12:10

Electrical renovation – without opening the wooden ceiling

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Jim Pansen•28 Mar 2016 12:15

Answers: 4

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Jim Pansen • 28 Mar 2016 14:22

Oil heating systems only as condensing boilers from now on?

andimann•27 Mar 2016 20:01

Answers: 0

andimann • 27 Mar 2016 20:01

Bleeding Radiators: How Far Should You Open the Valve?

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-•2 Oct 2008 16:02

Answers: 3

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SonjaBiene-1 • 25 Mar 2016 19:59

A new construction plan includes a gas condensing boiler, a solar thermal system, and a domestic hot water storage tank.

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nils1985•18 Mar 2016 11:54

Answers: 3

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ErikErdgas • 23 Mar 2016 10:15

Which heating system brand is recommended: Vaillant, Viessmann, Buderus, or others?

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Kerstin2•28 Feb 2016 13:37

Answers: 3

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Partyhupe • 22 Mar 2016 21:57

Gas condensing boiler system with solar thermal integration

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Makita•16 Feb 2016 11:10

Answers: 4

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ErikErdgas • 22 Mar 2016 10:24

Faulty Water Pipes in a Villa: Entitlement to Compensation

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Payday•17 Mar 2016 19:47

Answers: 24

wrobel • 22 Mar 2016 09:53

Does a masonry heater make sense in a KfW40 Plus house?

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Bau.Joe•10 Mar 2016 11:14

Answers: 14

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T21150 • 20 Mar 2016 20:09

Underfloor Heating vs. Panel Radiators

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Mizit•18 Mar 2016 13:31

Answers: 14

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T21150 • 19 Mar 2016 18:35

Seeking a Fireplace Installer

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cumpa•17 Mar 2016 23:38

Answers: 1

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ypg • 18 Mar 2016 23:47

Inspection by the chimney sweep for new construction – who is responsible for paying the chimney sweep?

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-•15 Dec 2012 19:33

Answers: 7

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- • 18 Mar 2016 09:00

Brown stains above the fireplace

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HilfeHilfe•10 Mar 2016 07:52

Answers: 10

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HilfeHilfe • 18 Mar 2016 07:24

Retrofitting Underfloor Heating?

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nils1985•20 Feb 2016 09:22

Answers: 1

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stiff80 • 17 Mar 2016 14:39

Chimney – a must from floor height?

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cumpa•16 Mar 2016 01:07

Answers: 7

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cumpa • 16 Mar 2016 23:20

Underfloor heating with aluminum composite pipe or plastic piping

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nils1985•4 Mar 2016 16:17

Answers: 6

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Bieber0815 • 7 Mar 2016 11:03

Heating specialist

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Hero69-1•2 Oct 2015 15:53

Answers: 6

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- • 7 Mar 2016 08:53

Plus-energy house with a hydronic pellet stove and a ground source heat pump for cooling?

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Ddorfer•29 Feb 2016 23:55

Answers: 13

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Bauexperte • 5 Mar 2016 09:43

Fuel Cell Viessmann / Combined Heat and Power (CHP) System

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Soultrain•1 Mar 2016 17:02

Answers: 3

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b54 • 3 Mar 2016 13:35

Split Air Source Heat Pump – Leak Test and Charging

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daytona•3 Mar 2016 07:41

Answers: 3

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torsan • 3 Mar 2016 11:19

Water Softener and Filter for an 80 sqm Condominium – Device Purchase Decision

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snackys•28 Feb 2016 11:59

Answers: 4

wrobel • 28 Feb 2016 22:06

Does my heating system use a single-pipe configuration?

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Benne285•27 Feb 2016 22:30

Answers: 3

wrobel • 28 Feb 2016 19:06