ᐅ Heat Pumps / Ventilation Systems

Discover how heat pumps and ventilation systems can help you save energy and create a healthy indoor climate – learn what to consider when choosing and installing them!

Is a combination of decentralized fresh air supply and centralized exhaust air effective?

kunstler•6 Sep 2015 21:56

Answers: 3

Mycraft • 19 Sep 2015 15:39

Experiences with Exhaust Hoods in Mechanical Ventilation Systems?

-•31 May 2015 06:33

Answers: 6

- • 31 Aug 2015 16:30

Who has experience with Luetungs.net?

bortel•6 Aug 2015 07:15

Answers: 8

Sebastian79 • 27 Aug 2015 09:39

Controlled residential ventilation air duct from supply to exhaust area: examples and sound insulation?

Bieber0815•18 Aug 2015 20:16

Answers: 6

Sebastian79 • 20 Aug 2015 08:59

Exclusive ventilation heating in a prefabricated house

kernm23•31 Mar 2015 23:04

Answers: 15

Cascada • 28 Jul 2015 09:31

Air Source Heat Pump for New Construction – Recommended Manufacturers?

FamilyK•22 Jun 2015 21:21

Answers: 7

Bauexperte • 27 Jul 2015 10:54

Maximum room temperature?

Bau-Teufel•4 Jul 2015 19:44

Answers: 17

tomtom79 • 18 Jul 2015 00:39

Supplemental Heating with an Air-to-Water Heat Pump and Solar Power System?

JeanetteL•9 Jul 2015 10:54

Answers: 9

Cascada • 16 Jul 2015 18:14

"Shell Package" for Centralized Mechanical Ventilation with Heat Recovery

bortel•16 Jul 2015 05:52

Answers: 1

alexm86 • 16 Jul 2015 07:12

Ventilation: Hygienic Issues After 5-6 Years

siko82•15 Oct 2014 07:43

Answers: 75

mauhin • 24 Jun 2015 21:48

Exhaust air / supply air for kitchen hood ventilation

SirSydom•17 Jun 2015 10:01

Answers: 10

Küchenliebe • 22 Jun 2015 11:44

But should you install a controlled residential ventilation system?

Uwe82•25 May 2015 00:14

Answers: 54

Doc.Schnaggls • 12 Jun 2015 08:47

Mechanical ventilation with heat recovery—is it really necessary? Looking for advice, please.

laie•12 Nov 2012 10:02

Answers: 7

Häusle77 • 12 Jun 2015 02:01

Controlled residential ventilation with heat recovery — a confusing topic?

Voki1•13 Sep 2014 07:14

Answers: 12

M. O. • 3 Jun 2015 11:49

Electric heat pump with a seasonal performance factor (SPF) greater than 4.5 and gas heat pump with an SPF greater than 1.5. What are the costs?

jx7•26 Mar 2015 08:56

Answers: 5

merlin83 • 24 May 2015 18:52

Pros and Cons of Mechanical Ventilation Systems: Advantages and Disadvantages of Controlled Residential Ventilation

-•5 Jul 2012 20:05

Answers: 7

- • 19 May 2015 10:12

Retrofitting an existing centralized mechanical ventilation system with an earth-to-air heat exchanger?

Illo77•15 May 2015 10:05

Answers: 0

Illo77 • 15 May 2015 10:05

Ground Source Heat Pump vs. Air Source Heat Pump

JohnnyUtah83•3 May 2015 20:20

Answers: 24

Bieber0815 • 9 May 2015 14:56

central ventilation system

-•20 Oct 2013 14:19

Answers: 8

- • 28 Apr 2015 17:00

Saving Space with Ceiling Installation?

RFR•10 Jun 2013 09:34

Answers: 7

RFR • 24 Apr 2015 18:55

House construction, KfW 70 standard, approximately 150 m² – which heating system? Gas boiler or air-to-water heat pump?

LittleWulf•14 Apr 2015 12:58

Answers: 36

Mycraft • 18 Apr 2015 10:06

Would you choose an air source heat pump again? I am looking for alternatives to air source heat pumps.

xycrazy•9 Apr 2015 19:45

Answers: 18

f-pNo • 11 Apr 2015 00:14

The Practicality of Ground Heat Exchangers in Mechanical Ventilation Systems with Heat Recovery

jx7•20 Mar 2015 09:17

Answers: 6

Sebastian79 • 23 Mar 2015 01:56

Connecting a heat recovery ventilation system to a ground collector heating system?

jx7•20 Mar 2015 09:18

Answers: 1

Mycraft • 20 Mar 2015 09:43

Choosing Between a Viessmann or Alpha Innotec Air-to-Water Heat Pump?

Madame?•9 Mar 2015 22:23

Answers: 5

Mycraft • 10 Mar 2015 13:38

Ground-source heat pump with horizontal ground collector and two heating circuits

derstefanm•2 Mar 2015 15:59

Answers: 13

derstefanm • 5 Mar 2015 19:45

Student Takes on Building a Ventilation System Himself

Zip-Freak•17 Feb 2015 23:04

Answers: 14

Voki1 • 3 Mar 2015 06:44

Number of air vents

Fantamoax•6 Feb 2015 08:41

Answers: 24

Polle 1967 • 25 Feb 2015 16:20

Issues with mechanical ventilation systems and wood-burning stoves

-•19 Jul 2012 01:19

Answers: 6

- • 23 Feb 2015 16:35

Air-to-water heat pump combined with solar thermal and a wood-burning stove: costs, benefits, and practicality

M.Mustermann•1 Feb 2015 15:57

Answers: 34

Cascada • 23 Feb 2015 15:04

Ventilation Concept

Sheriff•25 Jan 2015 23:46

Answers: 1

nordanney • 26 Jan 2015 09:07

Duct embedded in screed

HardyHard•5 Jan 2015 21:21

Answers: 6

Seaman • 6 Jan 2015 22:32

Door gap Controlled mechanical ventilation Ventilation gap for air exchange

PhoenixDH•21 Dec 2014 16:24

Answers: 17

miraculum • 28 Dec 2014 01:28

What are the preferred types of heat pumps?

nathi•18 Nov 2014 19:47

Answers: 11

ErikErdgas • 11 Dec 2014 20:54

Mechanical ventilation duct – screws protruding inside the duct!!!

el_curioso•28 Nov 2014 09:21

Answers: 6

el_curioso • 4 Dec 2014 13:11

Ventilation for Rooms Without Windows

bambulko•30 Nov 2014 07:48

Answers: 8

Doc.Schnaggls • 1 Dec 2014 09:25

New Construction Gas Heating – How to Design Underfloor Heating for a Heat Pump?

Vega82•20 Oct 2014 08:53

Answers: 11

Cascada • 22 Nov 2014 19:38

Is investing in a heat pump really not worth it?

-•22 Sep 2012 23:40

Answers: 7

- • 19 Nov 2014 07:23

Sealing the exterior grille of a decentralized ventilation system

JDoerbecker•16 Nov 2014 15:52

Answers: 1

blockhauspower • 16 Nov 2014 16:34

Controlled ventilation and heating system: retain settings during power outage

PhoenixDH•23 Oct 2014 10:40

Answers: 7

PhoenixDH • 23 Oct 2014 16:02

Inspection of Home Systems

HilfeHilfe•18 Oct 2014 13:57

Answers: 2

Wastl • 21 Oct 2014 16:19

Mechanical ventilation with heat recovery in the utility room is very audible – too loud?

Grym•13 Sep 2014 21:57

Answers: 5

Jaydee • 25 Sep 2014 12:42

Ventilation in Prefabricated Houses (Timber Frame with External Thermal Insulation Composite System) — Is It Also Needed in Solid Construction Homes?

Grym•27 Aug 2014 19:54

Answers: 36

merlin667 • 16 Sep 2014 14:46

Controlled residential ventilation: How do I find the right provider or system?

Mattes82•29 Aug 2014 13:40

Answers: 1

K1300S • 30 Aug 2014 20:57

Decentralized residential ventilation, exhaust air heat pump – any experience?

Chris1984•17 Jan 2014 08:02

Answers: 10

DaveS • 25 Aug 2014 09:41

Is it practical to install the supply air duct of a mechanical ventilation system underground?

Vega82•22 Jul 2014 15:48

Answers: 3

MissFilou • 23 Jul 2014 06:53

Installation of Controlled Residential Ventilation – In the Ceiling or Externally?

Kazazi•14 Jul 2014 23:39

Answers: 20

Jaydee • 21 Jul 2014 18:31

KfW 70 - 36 cm Ytong blocks - Ventilation system

Dali•22 Aug 2013 18:03

Answers: 39

Buxel83 • 11 Jul 2014 23:36

Central ventilation system — is it a good option?

-•28 Feb 2014 06:55

Answers: 7

- • 10 Jul 2014 11:33

Looking for experience with the Rotex HPSU heat pump and solar system?

hg6806•10 Jul 2014 08:37

Answers: 0

hg6806 • 10 Jul 2014 08:37

Controlled ventilation for indoor air quality: useful or even necessary for us?

OHeikoZ•27 Jun 2014 11:44

Answers: 5

OHeikoZ • 1 Jul 2014 09:38

Is decentralized mechanical ventilation really that expensive?

Hampek•23 May 2014 12:23

Answers: 38

SirSydom • 24 Jun 2014 17:30

Which manufacturers produce water-source heat pumps?

Flo5983•13 Jun 2014 12:39

Answers: 5

Flo5983 • 20 Jun 2014 15:25

Mechanical ventilation with heat recovery – is the design suitable?

Hampek•12 Jun 2014 09:09

Answers: 10

Wastl • 13 Jun 2014 14:39

Combination of Centralized and Decentralized Ventilation

haiopei0815•3 Jun 2014 21:51

Answers: 5

Krampmeier • 8 Jun 2014 14:15

Combining Photovoltaic Systems with Air-to-Water Heat Pump Heating and Domestic Hot Water

hululu0•5 Jun 2014 22:15

Answers: 8

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€uro • 8 Jun 2014 11:39

Installation of Lunos e² and Ego with KNX Integration

baschti•2 May 2014 13:42

Answers: 9

VillaMoTo • 5 Jun 2014 08:17

Room Ventilation for KfW 55 Apartment

Christian144•30 May 2014 23:03

Answers: 6

Doc.Schnaggls • 2 Jun 2014 14:25

How can you tell when the mechanical ventilation system is working properly?

Jaydee•2 Apr 2014 12:36

Answers: 18

One00 • 25 May 2014 20:29

Timer for domestic hot water heat pump

VanTide•5 May 2014 17:11

Answers: 2

Elektro1 • 7 May 2014 15:23

What capacity does our heat pump need?

Meurastein•1 May 2014 10:42

Answers: 6

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€uro • 2 May 2014 07:13

Is a Mechanical Ventilation System Only Practical for a Three-Bedroom Home?

eineuro•21 Apr 2014 20:17

Answers: 3

Mycraft • 22 Apr 2014 08:59

Contact person for centralized mechanical ventilation systems in residential buildings in Berlin?

Kazazi•7 Apr 2014 17:01

Answers: 2

Kazazi • 7 Apr 2014 21:15

Installing an air-to-water heat pump in the garage?

stuggidavid•9 Mar 2014 13:40

Answers: 6

Nordlichtchen • 26 Mar 2014 17:21

Cross-flow countercurrent heat exchanger with condensate drainage

martins1•22 Mar 2014 12:11

Answers: 6

Mycraft • 23 Mar 2014 09:02

Decentralized ventilation system with 24V?

Feigling•19 Feb 2014 09:54

Answers: 8

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€uro • 19 Mar 2014 13:25

Gas Condensing Boiler or Air-to-Water Heat Pump for a Water-Heating Fireplace?

FrankDr•23 Feb 2014 23:35

Answers: 18

ErikErdgas • 5 Mar 2014 09:17

Residential ventilation system with Schiedel AERA-COMFORT

Flo5983•26 Feb 2014 09:22

Answers: 7

Flo5983 • 28 Feb 2014 11:10

KfW70 heat pump, underfloor heating, ventilation system, and photovoltaic panels

catweazlecat•31 May 2012 15:49

Answers: 7

Mycraft • 26 Feb 2014 11:25

Ground Source Heat Pump – What to Watch for When Reviewing a Quote (Single-Family Home, New Build, KfW 70 Standard)

Lacos•31 Jan 2014 08:21

Answers: 22

Cascada • 18 Feb 2014 11:35

Poor Groundwater Quality – Brine Heat Pump?

FelixDem•4 Feb 2014 21:25

Answers: 0

FelixDem • 4 Feb 2014 21:25

Water-to-water heat pump

Flo5983•30 Jan 2014 09:30

Answers: 2

Flo5983 • 30 Jan 2014 18:34

Setting a Heat Pump Correctly

James•26 Jan 2014 12:19

Answers: 2

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€uro • 30 Jan 2014 06:31

New Construction KfW 70: Decentralized or Central Mechanical Ventilation with Heat Recovery?

sw1008•20 Jan 2014 14:15

Answers: 2

sw1008 • 20 Jan 2014 14:49

Hydraulic Balancing Report

schanson•7 Jan 2014 18:53

Answers: 1

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€uro • 8 Jan 2014 13:03

Air-to-water heat pump and controlled mechanical ventilation with heat recovery

capkin•26 Dec 2013 12:02

Answers: 9

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€uro • 6 Jan 2014 15:47

Low-profile controlled ventilation system for a 1.2 m attic space

peterpan4•1 Jan 2014 22:38

Answers: 6

RFR • 5 Jan 2014 22:03

Semi-detached bungalow 8 m² KfW70 without ventilation / basement, Y-Tong

Der suchende•21 Dec 2013 01:16

Answers: 12

Der suchende • 2 Jan 2014 23:05

Experience with the Euroair 250 Controlled Residential Ventilation System

KayEcb•1 Jan 2014 18:01

Answers: 1

KayEcb • 2 Jan 2014 20:36

Condominium built to KfW 70 energy efficiency standard, uncertain regarding ventilation system choices

Michael1250•29 Dec 2013 16:24

Answers: 1

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€uro • 30 Dec 2013 11:56

Supply and exhaust air of the decentralized ventilation system swapped – how to clean?

NemoN•24 Dec 2013 22:52

Answers: 8

schubert79 • 28 Dec 2013 16:21

Decision: Single-Room Ventilation or Centralized Whole-Home Ventilation

Mycraft•11 Dec 2013 11:35

Answers: 5

Gerd53 • 16 Dec 2013 10:23

Groundwater heat pump with integrated ventilation and cooling?

lb2235•14 Dec 2013 17:42

Answers: 4

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€uro • 15 Dec 2013 18:00

Semi-detached house - Built in 2000 - Is ventilation recommended or necessary?

eXtremeTK•4 Dec 2013 15:54

Answers: 3

ypg • 5 Dec 2013 00:19

"Exhaust fans for wet rooms and kitchen range hoods"

Teufelchen1985•29 Nov 2013 09:44

Answers: 43

Mycraft • 3 Dec 2013 17:48

New Construction as a KfW-55 House: Which Ventilation System to Choose?

Mycraft•24 Oct 2013 12:19

Answers: 2

Alfa • 12 Nov 2013 13:42

Positioning of Supply and Exhaust Air Ducts in the Interior Spaces

Biggi12•9 Nov 2013 18:32

Answers: 11

Biggi12 • 10 Nov 2013 15:14

Ventilation system for a two-family house

Athur Dent•1 Nov 2013 19:26

Answers: 2

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€uro • 2 Nov 2013 06:53

Ground Source Heat Pump Maintenance: What You Need to Know

ostsee•27 Nov 2011 09:29

Answers: 22

K.Brodbeck • 27 Oct 2013 08:07

Two-family house KfW 70 with air-source heat pump heating and ventilation system

MadPat•25 Oct 2013 20:00

Answers: 14

MadPat • 26 Oct 2013 18:29

Ventilation System with Heat Recovery – Where to Position the Air Intake Vents?

Chipili•14 Oct 2013 23:21

Answers: 2

perlenmann • 19 Oct 2013 07:24

Air-to-water heat pump for underfloor heating and separate heat pump for domestic hot water

fkay01•16 Oct 2013 01:26

Answers: 9

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€uro • 17 Oct 2013 12:59

Hybrid heat pump for new single-family home construction

Flobi•13 Oct 2013 17:49

Answers: 8

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€uro • 16 Oct 2013 15:19

Westaflex 300WAC – loud ventilation noise in a room?

StarAce•25 Sep 2013 20:06

Answers: 3

Wastl • 16 Oct 2013 09:00

Air-to-water heat pump: which brand, underfloor heating, noise levels

jayden1977•23 Sep 2013 09:15

Answers: 3

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€uro • 30 Sep 2013 08:07

Ducts for the mechanical ventilation system inside a drywall partition...

ypg•8 Sep 2013 23:17

Answers: 6

Harlekinz • 9 Sep 2013 23:10

Installing a ventilation system outside?

Ram_master_g•2 Sep 2013 15:26

Answers: 8

DerBjoern • 3 Sep 2013 13:12

New single-family house construction, gas heating or heat pump, target KfW55 energy efficiency standard

Elektrofuzzi•15 Aug 2013 20:51

Answers: 29

merlin667 • 28 Aug 2013 20:27

Controlled ventilation vs. natural ventilation

Dieter-HH•19 Dec 2012 17:16

Answers: 3

ManuelF • 21 Aug 2013 09:27

New Construction with a Heat Pump: Two Perspectives

baupfusch•17 Aug 2013 17:31

Answers: 1

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€uro • 18 Aug 2013 07:11

ᐅ Heat Pumps / Ventilation Systems

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