ᐅ Building Services / Sustainable Construction

Discover how to make your home environmentally friendly, energy-efficient, and future-proof using modern building technology and sustainable construction methods!

Assembling a Fireplace Kit Yourself Using Online Instructions

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Almo85•21 May 2019 08:02

Answers: 29

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Lumpi_LE • 22 May 2019 09:27

Gas service entry, minimum 10 meters: short-term procurement

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w-wie-waldi•16 May 2019 15:24

Answers: 3

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w-wie-waldi • 16 May 2019 17:32

Wastewater inspection chamber on the property

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Andre77•12 May 2019 18:48

Answers: 1

andimann • 12 May 2019 21:25

Soundproofing / Acoustic Optimization

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Tentakel•8 Jun 2018 14:20

Answers: 24

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matze1980 • 8 May 2019 14:48

Looking for affordable, well-designed, and high-quality tactile electrical outlets

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hampshire•24 Apr 2019 21:19

Answers: 14

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hampshire • 1 May 2019 21:14

Operating Cost Statement for Heat Pump in a Secondary Apartment

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titoz•29 Apr 2019 13:11

Answers: 12

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hampshire • 30 Apr 2019 18:04

Wall box / wall boxes for exhaust hood

Kaspatoo•15 Apr 2017 15:48

Answers: 6

Kaspatoo • 28 Apr 2019 13:41

Water Tightness Testing: Experiences and Insights

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Bertie•22 Apr 2019 09:21

Answers: 9

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miho • 24 Apr 2019 11:57

Rainwater infiltration using perforated drainage pipe

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denz.•18 Apr 2019 13:18

Answers: 10

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LuckyDuke • 23 Apr 2019 13:15

Control Systems for Underfloor Heating – Are There Intelligent Options?

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ostsee•14 Apr 2019 10:01

Answers: 6

Mycraft • 14 Apr 2019 12:12

Advantages of KfW 40 Plus in General

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robin1988•3 Apr 2019 21:47

Answers: 35

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Zaba12 • 8 Apr 2019 10:18

Meter box for an 8-circuit old building, 15,000 EUR?

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MikeStgt•20 Mar 2019 09:31

Answers: 2

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MayrCh • 20 Mar 2019 19:18

Waste lifting station for a 150-meter-long wastewater pipe (or drainage pipe)

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mazzo0412•23 Feb 2019 08:55

Answers: 9

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mazzo0412 • 8 Mar 2019 16:01

Experience with Duotherm blocks, used by Kern-Haus

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Tagiwara•17 Apr 2013 14:13

Answers: 23

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KHGeschädigt • 8 Mar 2019 09:16

Is Hemp Insulation Truly Environmentally Friendly?

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tammy32•24 Feb 2019 12:58

Answers: 8

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haydee • 26 Feb 2019 10:24

Sizing of Residential Utility Connections for Electricity, Gas, and Water

M4rvin•28 Dec 2018 12:34

Answers: 11

Dr Hix • 17 Feb 2019 10:04

central roller shutter control system

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Stadtvilla19•12 Feb 2019 14:40

Answers: 9

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nms_hs • 12 Feb 2019 22:22

Laminate Flooring on OSB and OSB on Wood Joist Ceiling

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kayshle•3 Sep 2018 20:46

Answers: 5

Lucrezia • 12 Feb 2019 20:50

Lead in Drinking Water – New Construction

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honi1969•30 Jan 2013 18:20

Answers: 4

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hampshire • 10 Feb 2019 16:19

Reducing Energy Consumption in Older Homes

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Ramius•1 Feb 2019 19:18

Answers: 5

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Obstlerbaum • 4 Feb 2019 14:39

Is a downdraft ventilation system for the cooktop effective?

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Meini76•1 Jan 2019 17:59

Answers: 13

ares83 • 28 Jan 2019 13:47

Proper Grounding for Steel Fiber Reinforced Concrete and Waterproof Basement Structures

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ck_coke•3 Jan 2019 12:39

Answers: 11

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Dipol • 26 Jan 2019 23:46

Socket located below the switch

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Bob79•20 Jan 2019 22:01

Answers: 7

seat88 • 21 Jan 2019 14:32

Allow ventilation of the facade / moisture protection against standing water

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Roppo•12 Jan 2019 14:27

Answers: 3

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Otus11 • 12 Jan 2019 22:28

Cost of construction power per kilowatt-hour

seat88•10 Jan 2019 21:06

Answers: 1

seat88 • 11 Jan 2019 14:16

How can mold growth in the shower be prevented through building design?

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Theodorius•10 Jan 2019 15:36

Answers: 9

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ypg • 10 Jan 2019 21:56

Intercom Systems, Door Entry Systems, and Doorbells – Experiences

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Gerd&Jolanthe•10 Jan 2019 12:52

Answers: 1

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Gartenfreund • 10 Jan 2019 14:37

Electrical connection in the bathroom or for a mirrored cabinet

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Gerd&Jolanthe•10 Dec 2018 13:05

Answers: 10

Mycraft • 5 Jan 2019 16:17

Installing flush-mounted electrical boxes: recessed or with spacers

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Gerd&Jolanthe•2 Jan 2019 19:42

Answers: 7

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Domski • 3 Jan 2019 08:35

Is it possible to operate roller shutters with individual switches and a central timer?

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Gerd&Jolanthe•6 Dec 2018 20:51

Answers: 23

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Theodorius • 21 Dec 2018 15:54

Security system upgrade with two cats – any technical experience?

kaho674•28 Nov 2018 19:42

Answers: 39

montessalet • 19 Dec 2018 07:43

Distance Between Electrical Outlets and the Wall?

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Gerd&Jolanthe•17 Dec 2018 22:17

Answers: 9

Dr Hix • 18 Dec 2018 10:04

Do Gas Condensing Boilers Significantly Lower the KfW Standard?

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netzplan•11 Dec 2018 11:48

Answers: 1

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dertill • 11 Dec 2018 12:00

Implementing a timer switch for lighting—how to do it?

bon1980•8 Dec 2018 00:27

Answers: 1

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apokolok • 10 Dec 2018 16:23

Costs for Additional Electrical Outlets – Can They Be Optimized?

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Andre77•7 Dec 2018 23:52

Answers: 9

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ypg • 9 Dec 2018 10:54

Dispute Between Telecom Provider and Municipal Utilities – House Connection

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loxor•1 Dec 2018 11:42

Answers: 10

Stefan G. • 5 Dec 2018 11:29

Change heating system after obtaining building permit?

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KSchmidtke•24 Nov 2018 09:24

Answers: 13

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Mottenhausen • 27 Nov 2018 14:44

Surface-Mounted Intermediate Switch for Outdoor Use, Recommendation

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Waldifix•18 Nov 2018 20:01

Answers: 4

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Malz1902 • 20 Nov 2018 07:58

Location for light switch / electrical outlet installation

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Dan859•14 Nov 2018 21:23

Answers: 4

Basti2709 • 16 Nov 2018 08:23

Loud beeping / alarm sound coming from the utility room

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Bobinho•3 Nov 2018 09:31

Answers: 3

debaser • 12 Nov 2018 14:04

Temporary power distribution unit – buy or rent?

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Pepsan•10 Nov 2018 11:06

Answers: 11

seat88 • 11 Nov 2018 08:04

Is this sufficient as sound insulation according to DIN 4109 in a single-family house?

Gausek•1 Nov 2018 21:47

Answers: 11

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Kekse • 7 Nov 2018 08:02

Keyless Entry Systems

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readytorumble•22 Aug 2016 12:38

Answers: 79

Uwe82 • 28 Oct 2018 07:29

Age of Utility Connections in Older Homes – Do Utility Connections Have an Expiration Date?

Winniefred•20 Oct 2018 11:09

Answers: 3

Knöpfchen • 26 Oct 2018 20:43

Installing Intermediate Switches with 4 Switches – Single-Pole Double-Throw (SPDT) Switches?

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Meini76•4 Oct 2018 21:04

Answers: 5

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Soroka • 24 Oct 2018 20:51

Interference from Ripple Control Signals – Contamination?

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Pianist•1 Oct 2018 08:34

Answers: 0

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Pianist • 1 Oct 2018 08:34

New Construction – Energy Efficiency Assessment

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HansHirse•30 Aug 2018 09:23

Answers: 15

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dertill • 25 Sep 2018 10:56

Conventional Venetian Blind Control – Wind Sensor?

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Grantlhaua•19 Sep 2018 07:43

Answers: 7

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Grantlhaua • 20 Sep 2018 11:12

Experience with reversible operation of heat pumps

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andreashm•27 Jul 2018 07:44

Answers: 10

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*thomasD* • 16 Sep 2018 21:48

Old Building Unknown Outlet – High Voltage Socket for Oven?

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Kojak9•16 Sep 2018 09:38

Answers: 11

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Alex85 • 16 Sep 2018 19:28

Replacement of Ytong Lambda 0.09 with Ytong Lambda 0.08

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body123•20 Aug 2018 10:24

Answers: 5

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Bookstar • 20 Aug 2018 23:04

Is an energy certificate / energy performance certificate required?

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TR188•9 Aug 2018 07:55

Answers: 22

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nordanney • 17 Aug 2018 18:18

Venetian Blinds - Motor - Configuring Settings

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-•26 Jul 2014 12:25

Answers: 7

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schlm3-1 • 17 Aug 2018 16:27

How much water should or must flow from the main water supply line?

KingSong•30 Jul 2018 10:50

Answers: 12

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Domski • 30 Jul 2018 20:59

Offer for Thermal Insulation Inspection, 2 Appointments

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body123•27 Jul 2018 14:43

Answers: 0

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body123 • 27 Jul 2018 14:43

Significantly Reduced Ceiling Bulkhead – Price Reduction?

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Plowi•26 Jul 2018 14:12

Answers: 5

wrobel • 26 Jul 2018 23:22

Basalt as bedding material or crushed stone / gravel

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body123•13 Jul 2018 01:57

Answers: 7

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body123 • 24 Jul 2018 16:16

Which KfW Standard and Technology to Choose for a New Build

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Tx-25•6 Jun 2018 11:11

Answers: 45

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lesmue79 • 19 Jul 2018 06:14

Blind Control System for New Construction (Multiple Units per Switch Box)

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molchi•5 Jul 2018 22:04

Answers: 30

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Alex85 • 9 Jul 2018 18:02

Retrofitting blinds: which manufacturer to choose?

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Aenne1981•13 Jun 2018 16:55

Answers: 4

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Seb90 • 2 Jul 2018 06:07

Residual current circuit breakers with arc fault detection in prefabricated houses

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werners81•29 Sep 2017 18:58

Answers: 43

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Denis L. • 27 Jun 2018 22:38

Building Services: Tips for Quiet Design

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ufr123•23 Jun 2018 15:16

Answers: 6

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ypg • 26 Jun 2018 06:53

Costs of Utility Connections and What to Expect Next

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Yoschi•12 Jun 2018 21:02

Answers: 3

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Payday • 13 Jun 2018 07:49

Energy Consultant Costs and Services

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Klaus1999•7 Jun 2018 14:47

Answers: 2

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Alex85 • 7 Jun 2018 17:01

Utility Connection: Additional Capacity

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Käfer•29 Apr 2014 14:36

Answers: 16

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Nordlys • 5 Jun 2018 11:11

Estimated Costs for Heat Pump and Underfloor Heating

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Bobbe1981•1 Jun 2018 15:00

Answers: 9

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Domski • 2 Jun 2018 06:27

Building Your Own Well / Retention Basin / Cistern

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Roppo•24 May 2018 19:13

Answers: 3

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meister keks • 25 May 2018 22:20

Motion detector with dual functions

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Speedy78•15 May 2018 15:58

Answers: 2

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Domski • 16 May 2018 12:34

Siedle Door Intercom System 511: Need Help – Which Parts Are Missing?

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andreas7777•11 May 2018 08:50

Answers: 0

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andreas7777 • 11 May 2018 08:50

Thermal Insulation Calculation for KfW 55 New Construction

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Skyfire•21 Apr 2018 11:45

Answers: 3

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Alex85 • 21 Apr 2018 13:04

LED party light is not working

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Kimi190•13 Apr 2018 07:14

Answers: 2

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Kimi190 • 19 Apr 2018 06:26

Request for Feedback on Lighting Design for Single-Family Home

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Don_Mikele87•16 Apr 2018 13:42

Answers: 12

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Don_Mikele87 • 17 Apr 2018 20:36

House Exterior – Painting Over Tiles Outside?

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30156030•11 Apr 2018 08:07

Answers: 11

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Alex85 • 14 Apr 2018 06:45

Dimmable Outlet / Risks and Safety Measures

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Tentakel•11 Apr 2018 14:19

Answers: 14

Mycraft • 12 Apr 2018 12:03

Electrical / Power / Telephone Service Connections

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Kusserob•5 Nov 2017 14:39

Answers: 10

dome27 • 11 Apr 2018 14:20

Lime plaster and lime paint, or something else – new construction

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Rumbi441•27 Mar 2018 00:36

Answers: 24

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Rumbi441 • 10 Apr 2018 07:14

Feedback on Electrical Planning for New Construction

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Pommes01•3 Apr 2018 00:44

Answers: 21

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Maria16 • 5 Apr 2018 23:35

Lighting Planning in New Construction – How Did You Approach It?

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Annsterdam•23 Mar 2018 11:33

Answers: 11

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ypg • 25 Mar 2018 01:42

Recommended Connection of 24V LED Strips in Home Automation Systems

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stefanc84•21 Aug 2017 12:53

Answers: 10

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Almo85 • 22 Mar 2018 08:37

Renovating Beam Ceilings and Floors – Challenges and Questions

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Berti_90•16 Mar 2018 17:43

Answers: 14

11ant • 20 Mar 2018 17:19

Choosing the Insulation Thickness (Cost-Benefit Analysis)

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-Markus-•14 Mar 2018 12:05

Answers: 34

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Aliban2014 • 19 Mar 2018 15:50

Efficient 24 cm Thick Masonry Regarding Thermal Insulation

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caiuscaesar•15 Mar 2018 15:04

Answers: 3

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FundS • 16 Mar 2018 12:34

KfW 55 or just the Energy Saving Regulation – Gas heating and minimal ventilation?

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Sony70•16 Feb 2018 10:23

Answers: 23

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Alex85 • 15 Mar 2018 20:05

Electrical installation – Facing a decision dilemma

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Markus5772•11 Mar 2018 21:39

Answers: 6

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Joedreck • 13 Mar 2018 09:13

Utility Connections

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DJIngo•3 May 2012 16:22

Answers: 15

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Maria16 • 13 Mar 2018 09:04

Brick veneer or stucco? Durability and appearance?

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Gluecklich•12 Apr 2013 08:21

Answers: 19

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cschiko • 6 Mar 2018 09:22

Are the Costs for the Fireplace Surround Reasonable? Experiences

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martinschm•2 Mar 2018 13:57

Answers: 3

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Lumpi_LE • 2 Mar 2018 20:54

Cistern Dimensions – Building Plan Tips

McEgg•1 Jul 2016 15:22

Answers: 62

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Gartenfreund • 18 Feb 2018 13:26

Vapor retarder on wood beam ceiling before plaster and screed?

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Basel•16 Feb 2018 10:09

Answers: 4

saar2and • 16 Feb 2018 13:41

Use of District Heating – Are Consumption and Costs Typical?

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Rollo83•10 Feb 2018 07:36

Answers: 16

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Bieber0815 • 12 Feb 2018 08:15

House Electricity Consumption – Usage Figures for Comparison

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mading•30 Jan 2018 20:43

Answers: 41

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Malz1902 • 8 Feb 2018 13:36

Question about Renovation (Concealed Installation) of an Apartment in a Residential Building

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Specki•4 Feb 2018 14:52

Answers: 27

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Specki • 5 Feb 2018 10:03

Which heating system would you recommend?

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Chris2806•28 Jan 2018 16:25

Answers: 25

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Bieber0815 • 30 Jan 2018 07:49

Are backwater valves always necessary in flood-prone areas?

McEgg•22 Jan 2018 22:41

Answers: 20

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Baumfachmann • 28 Jan 2018 00:58

Energy Performance Certificate – "Result as KfW 70/55/40/etc?"

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AndreasPlü•27 Jan 2018 12:08

Answers: 1

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toxicmolotof • 27 Jan 2018 13:25

Planning/Preparation for a Deep Foundation Drilling

FloLiX•27 Sep 2015 10:54

Answers: 43

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R.Hotzenplotz • 26 Jan 2018 21:40

Property developers, condominiums – what should you watch out for?

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Rumbi441•22 Jan 2018 23:08

Answers: 24

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Rumbi441 • 25 Jan 2018 23:14

Meter Slots in the Electrical Panel – How Many Are Required?

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Wickie•25 Jan 2018 07:42

Answers: 15

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Wickie • 25 Jan 2018 20:12

Gas boiler without solar panels – from when is this allowed?

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Chilledkroete•19 Jan 2018 12:15

Answers: 12

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Nordlys • 22 Jan 2018 18:55

Multigenerational House / Semi-Detached House – Technical Separation of Building Services

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andres86•19 Jan 2018 14:03

Answers: 1

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HilfeHilfe • 20 Jan 2018 07:25