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!

Which control system? Managing heating, ventilation, and air conditioning (HVAC) with an app

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Dark_Templar•25 Dec 2017 18:02

Answers: 31

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ONeill • 1 Jan 2018 16:58

Issues with the Suevia Astro Log. What exactly do C1 and C2 refer to?

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MeckerMike•19 Dec 2017 11:44

Answers: 2

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MeckerMike • 19 Dec 2017 18:31

Cracks running completely through the masonry of the gable wall, building year 1968.

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Lukas_Sch•16 Dec 2017 01:06

Answers: 12

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Lukas_Sch • 17 Dec 2017 21:16

Heating circuit manifold – location

sven.conzi•13 May 2017 19:10

Answers: 23

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Lukas_Sch • 17 Dec 2017 17:07

Renting LED screens: how does it work? Has anyone had experience with this?

ziegelstein•12 Nov 2017 16:13

Answers: 7

Pakon • 15 Dec 2017 11:35

By when do you need to arrange temporary construction power?

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Orschel•11 May 2012 15:47

Answers: 22

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Egon12 • 6 Dec 2017 08:27

House too warm, underfloor heating controller set to 1.

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Barossi•31 Oct 2017 06:41

Answers: 57

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Barossi • 2 Dec 2017 06:38

Gas and electricity consumption in new construction

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sauerpeter•13 Nov 2017 11:58

Answers: 16

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merlin83 • 30 Nov 2017 23:41

Final energy demand kWh/(m²·year) according to the standard Energy Saving Ordinance 2016 (EnEV)

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Christian NW•28 Nov 2017 12:11

Answers: 3

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Christian NW • 29 Nov 2017 15:56

Blower Door Test Issues?

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Schluffi0815•8 Nov 2017 13:36

Answers: 16

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nightdancer • 11 Nov 2017 19:52

Wooden House – Installing Brick Veneer Panels

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Pepsan•2 Nov 2017 11:48

Answers: 3

11ant • 2 Nov 2017 13:27

Looking for a doorbell with a pleasant sound

Kaspatoo•23 Oct 2017 18:13

Answers: 6

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ypg • 24 Oct 2017 22:10

Burglary Protection: Missed the KfW Funding Deadline

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pastix•19 Oct 2017 21:42

Answers: 2

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Alex85 • 19 Oct 2017 22:52

Is Base Plaster Not Considered Part of a House?

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frank_gayer•14 Oct 2017 20:18

Answers: 27

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Bieber0815 • 16 Oct 2017 08:58

Recessed housing for downlights in insulated ceilings

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frank_gayer•11 Oct 2017 18:45

Answers: 19

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frank_gayer • 12 Oct 2017 17:29

Recessed Ceiling Lights in the Hallway – What Brightness Level Is Recommended?

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Hendrik007•11 Oct 2017 09:42

Answers: 4

RobsonMKK • 11 Oct 2017 11:53

Surface-mounted motion sensor for outdoor use?

Kaspatoo•9 Oct 2017 15:28

Answers: 7

Kaspatoo • 10 Oct 2017 09:53

What color temperature have you chosen for your LEDs?

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Curly•29 Sep 2017 07:49

Answers: 32

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Knallkörper • 2 Oct 2017 11:30

In 2017, no KfW 70/KfW 55/KfW 40/40 Plus—only Standard and E55?

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crion•23 Sep 2017 12:08

Answers: 3

11ant • 25 Sep 2017 13:35

Air Supply for Open Fireplace

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DerRoman•19 Sep 2017 14:00

Answers: 2

Kaspatoo • 25 Sep 2017 10:06

KfW 40 Plus – Is a circulation pump allowed?

KingSong•17 Sep 2017 11:15

Answers: 7

KingSong • 20 Sep 2017 19:24

Electrical connection for underfloor heating

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Paulus16•15 Sep 2017 18:37

Answers: 10

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Paulus16 • 19 Sep 2017 13:04

Is a lightning rod still necessary?

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HilfeHilfe•3 Aug 2017 08:21

Answers: 25

Kaspatoo • 15 Sep 2017 13:28

EPDM membrane for garden shed

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pakett•13 Sep 2017 22:44

Answers: 1

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Wastl • 14 Sep 2017 07:36

Experiences with Roller Shutters and Decentralized Ventilation Systems

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winnetou78•5 Sep 2017 12:06

Answers: 11

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winnetou78 • 8 Sep 2017 18:32

District heating KfW55 - KfW70 costs of the ventilation and exhaust system

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zizzi•1 Sep 2017 21:34

Answers: 6

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zizzi • 2 Sep 2017 11:23

Experiences with wind-driven ventilation and exhaust systems

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zizzi•1 Sep 2017 21:28

Answers: 1

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Nordlys • 1 Sep 2017 21:54

Hairline Cracks in the Screed After One Day

saar2and•26 Aug 2017 08:27

Answers: 2

saar2and • 27 Aug 2017 17:08

Is this electrical distribution up to standard?

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DNL•8 May 2017 11:07

Answers: 12

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Bau-Schmidt • 20 Aug 2017 16:13

Cost of aluminum front door with glass sidelight?

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Bayer32•4 Aug 2017 21:36

Answers: 7

Kaspatoo • 13 Aug 2017 16:14

Outdoor Motion Sensor: Always On – Off – Detection

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einfachgut•24 Jul 2017 23:17

Answers: 2

Kaspatoo • 13 Aug 2017 14:45

Primary energy demand with or without basement

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uxilator•9 Aug 2017 12:52

Answers: 0

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uxilator • 9 Aug 2017 12:52

Are Additional Electrical Costs Justified?

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2000youandme•6 Aug 2017 11:48

Answers: 6

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Bau-Schmidt • 7 Aug 2017 13:36

Sharing a combined heat and power system (CHP) with neighbors, etc.

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Schrobi•4 Aug 2017 21:19

Answers: 3

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nelly190 • 5 Aug 2017 11:04

Freestanding outdoor water tap (also known as garden faucet or exterior spigot)

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sauerpeter•3 Aug 2017 17:31

Answers: 12

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Gartenfreund • 4 Aug 2017 14:03

Are drainage joints at the base area necessary?

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Galaxie•5 Nov 2016 22:27

Answers: 13

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Galaxie • 26 Jul 2017 06:00

Is an emergency phone for the elevator mandatory?

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barbapapa•20 Jun 2017 15:13

Answers: 3

11ant • 25 Jul 2017 14:25

Facade Painting for New Construction – How Many Coats?

DReffects•13 Jul 2017 22:39

Answers: 4

DReffects • 15 Jul 2017 15:59

Busch Jaeger Welcome Intercom System Audio

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funcarve•12 Jul 2017 18:47

Answers: 0

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funcarve • 12 Jul 2017 18:47

Lightning protection for a house – but how?

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meister keks•20 Jun 2017 23:45

Answers: 12

Mycraft • 4 Jul 2017 07:59

Are the costs for the electrical house connection justified?

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Beanos•2 Jul 2017 11:06

Answers: 10

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toxicmolotof • 3 Jul 2017 00:02

Costs for Electrical Installations

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pellegrino84•18 Jun 2017 15:58

Answers: 7

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Alex85 • 30 Jun 2017 17:33

Angle between appliance angle stop valve and water shut-off valve

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Donut009•9 Jun 2017 22:09

Answers: 4

wrobel • 13 Jun 2017 08:58

Video doorbell system

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stauraum•9 Jun 2017 10:03

Answers: 5

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stauraum • 12 Jun 2017 09:29

Data cabling and Wi-Fi router

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benkler1401•2 Jun 2017 09:39

Answers: 43

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Barossi • 9 Jun 2017 10:01

Considering a Gas Heating System for a New Build?

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R.Hotzenplotz•4 Jun 2017 15:52

Answers: 53

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Joedreck • 6 Jun 2017 09:31

Water softener system for 17.3 °dH hard water

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R.Hotzenplotz•6 Jun 2017 09:10

Answers: 3

Mycraft • 6 Jun 2017 09:30

What are reasonable costs for an energy consultant?

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patricia821•1 Jun 2017 16:31

Answers: 2

Kaspatoo • 5 Jun 2017 16:15

Elevator in a two-story house – who has actually implemented this?

montessalet•23 May 2017 07:52

Answers: 11

montessalet • 24 May 2017 09:42

Sizing of the Exhaust Duct for the Range Hood

Kaspatoo•20 May 2017 21:13

Answers: 10

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Knallkörper • 23 May 2017 23:46

Utility Room / Technical Room on the Upper Floor – Opinions?

MaJu2016•7 Jan 2016 20:43

Answers: 27

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Ev-Marie86 • 23 May 2017 21:31

Connection Fees for Electricity – Why Do They Cost Money?

DReffects•8 May 2017 17:27

Answers: 10

DReffects • 17 May 2017 18:46

LAS Air Exhaust System (Chimney)

sven.conzi•14 May 2017 16:39

Answers: 1

AOLNCM • 16 May 2017 12:08

Upgrading Roller Shutter Controls Later and Centralized vs. Decentralized Systems

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Sonnengarten•14 May 2017 11:19

Answers: 14

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souly75 • 15 May 2017 22:47

Electrical Installation: Three Experts, Three Opinions

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titoz•8 May 2017 21:59

Answers: 20

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Peanuts74 • 9 May 2017 14:56

Planning light wells with potential seepage water

V3ctra•6 May 2017 13:14

Answers: 1

RobsonMKK • 6 May 2017 13:56

Home Security – Alarm Systems and Occupancy Simulation

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Grym•30 Apr 2017 11:55

Answers: 9

Mycraft • 1 May 2017 10:06

Motorized roller shutters with anti-lift protection

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Hendrik007•28 Apr 2017 17:02

Answers: 2

Mycraft • 29 Apr 2017 16:05

Flush-mounted switch with integrated timer

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Rollo83•11 Nov 2016 10:07

Answers: 2

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hbf12 • 27 Apr 2017 11:35

Electrical Installation During the Shell Construction Phase

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Hendrik007•20 Apr 2017 14:48

Answers: 30

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Bieber0815 • 25 Apr 2017 22:00

Outdoor camera with monitor, smartphone live streaming – all connected via Wi-Fi

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Bastian87•23 Apr 2017 10:26

Answers: 1

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Alex85 • 25 Apr 2017 08:27

Wiring - Bedroom - Ceiling Light / Bedside Lamp

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Malz1902•18 Jan 2017 14:13

Answers: 12

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Hendrik007 • 20 Apr 2017 09:55

Electro-osmosis for drying out damp walls

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-•30 Mar 2011 17:58

Answers: 11

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MODERATOR • 19 Apr 2017 21:52

Socket with wall switch and remote control operation

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Hendrik007•7 Apr 2017 21:28

Answers: 5

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sven0924 • 15 Apr 2017 16:08

Sun Protection for Penthouses – A Difficult Choice?

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werschtl•4 Apr 2017 20:29

Answers: 1

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emceinstein • 15 Apr 2017 01:52

Installing Balcony Waterproofing

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Snakey•28 Mar 2017 14:02

Answers: 1

KlaRa • 28 Mar 2017 17:56

Explaining the Light Switch Layout Plan

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jamal-01•21 Mar 2017 21:02

Answers: 7

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DNL • 21 Mar 2017 22:10

Chimney and Carbon Monoxide

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HilfeHilfe•1 Feb 2017 10:28

Answers: 29

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Steven • 21 Mar 2017 09:20

Smoke Alarms: Will Regular Inspections Soon Incur Charges?

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Username_wahl•18 Mar 2017 10:40

Answers: 6

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HERR_bau • 20 Mar 2017 08:48

Which heating system is most suitable for a new build?

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Chris2806•2 Mar 2017 18:01

Answers: 9

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Andre-Jana • 4 Mar 2017 12:32

Living room with a viewing distance of 5 meters (approximately 16 feet) from the television

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Momad•19 Feb 2017 20:14

Answers: 24

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Malz1902 • 24 Feb 2017 12:22

Plasterboard Walls: Mounting Objects and Moisture Considerations

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ashley•23 Feb 2017 11:07

Answers: 7

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ashley • 23 Feb 2017 21:49

State of the Art for Ceiling Light Fixtures

DReffects•13 Feb 2017 00:33

Answers: 10

DReffects • 23 Feb 2017 16:07

Single- or Dual-Rate Meter in New Construction

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Sinus1986•3 Feb 2017 08:26

Answers: 23

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Alex85 • 22 Feb 2017 03:52

Power outlets or power strips

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Momad•20 Feb 2017 00:00

Answers: 19

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Caspar2020 • 20 Feb 2017 16:56

Centralized and Individual Shutter Control

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gtd0484•4 Feb 2017 20:11

Answers: 12

Kaspatoo • 18 Feb 2017 09:58

Backwater pump – Does such a pump take up a lot of space?

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Klödiblödi•10 Feb 2017 17:07

Answers: 2

andimann • 11 Feb 2017 13:44

Costs of drainage work

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tb111•6 Feb 2017 20:19

Answers: 6

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tb111 • 7 Feb 2017 20:29

Front door from Klauke or Köster

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M.Emde•30 Mar 2015 22:30

Answers: 3

305er • 4 Feb 2017 17:10

Costs and Experiences with Ventilation Systems

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amazingbee•29 Aug 2011 17:00

Answers: 18

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Adas86 • 28 Jan 2017 17:22

Gas- and watertight house entry point

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Redsonic•6 Jan 2017 10:34

Answers: 11

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Evolith • 13 Jan 2017 13:41

Plastering or Using Fabric Wall Coverings for New Construction Walls?

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alter0029•3 Jan 2017 13:03

Answers: 16

Mycraft • 4 Jan 2017 13:04

ENW – Power Transmission Towers

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Julia1968•3 Jan 2017 09:58

Answers: 0

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Julia1968 • 3 Jan 2017 09:58

Rotary switch on washing machine

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John01•30 Dec 2016 18:39

Answers: 3

Nofret • 1 Jan 2017 13:23

Buying a Rotary Hammer Drill

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Bauerbauer2•28 Dec 2016 10:49

Answers: 3

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FrankH • 29 Dec 2016 11:27

Slightly below finished road level, is backflow protection necessary?

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xpreisx•20 Dec 2016 20:39

Answers: 2

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xpreisx • 27 Dec 2016 14:02

Security of Wireless Fingerprint Systems

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world-e•22 Dec 2016 15:46

Answers: 1

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Payday • 23 Dec 2016 15:13

Chases in Poroton T12 blocks

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krausf3•12 Dec 2016 16:57

Answers: 19

AOLNCM • 20 Dec 2016 14:47

Double insulation = better soundproofing?

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Turbomicha•19 Dec 2016 21:58

Answers: 3

sirhc • 20 Dec 2016 08:57

Insulating a Kitchen Exhaust (Chimney Effect) with Mineral Wool?

markus2703•1 Nov 2016 12:43

Answers: 10

markus2703 • 19 Dec 2016 07:09

Experiences with LED construction floodlights? How many lumens?

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world-e•18 Nov 2016 11:22

Answers: 4

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Hacker • 18 Dec 2016 22:57

Infrared Glass Heating System

tomtom79•6 Sep 2016 11:45

Answers: 26

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Hacker • 18 Dec 2016 22:53

Recessed spotlights in the living room

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stefanski•16 Dec 2016 10:05

Answers: 1

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merlin83 • 16 Dec 2016 22:30

How much real savings can be achieved through better wall insulation?

Judyyy•9 Dec 2016 10:46

Answers: 10

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Peanuts74 • 12 Dec 2016 11:03

Clarification Question: Electrical Connection Point (APL) – Telecommunications Connection

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roadrun87•26 Nov 2016 12:26

Answers: 3

Sascha aus H • 26 Nov 2016 12:59

Party wall between semi-detached houses – Who pays for what?

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hbuilder•19 Nov 2016 22:09

Answers: 1

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Bauexperte • 20 Nov 2016 08:47

Is an extractor hood necessary?

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DNL•3 Nov 2016 20:15

Answers: 21

Kaspatoo • 14 Nov 2016 11:47

Rainwater infiltration

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AnjaBro•11 Aug 2016 15:33

Answers: 34

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Payday • 10 Nov 2016 19:13

Is a floor drain necessary in the utility room?

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Steffi33•7 Nov 2016 10:29

Answers: 3

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Bieber0815 • 7 Nov 2016 10:49

Connection for timer switch

markus2703•4 Nov 2016 08:27

Answers: 8

markus2703 • 4 Nov 2016 09:18