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 the EnBW advance payment too high?

second•26 Aug 2016 21:01

Answers: 8

f-pNo • 2 Sep 2016 12:19

Ground Source Heat Pump – Quotes & Limited Time

Gatho•31 Aug 2016 14:40

Answers: 8

Gatho • 2 Sep 2016 11:53

Heat pump with climate control function (cooling via air or duct system)

Sinus1986•31 Aug 2016 11:42

Answers: 2

Sinus1986 • 31 Aug 2016 13:13

Occupancy of the Air Distribution Box?

michisa86888•25 Aug 2016 16:18

Answers: 1

Sebastian79 • 25 Aug 2016 16:39

Mechanical Ventilation with Heat Recovery System Pluggit: Where to Choose the Air Intake Location?

Barossi•16 Jul 2016 16:05

Answers: 7

T21150 • 17 Jul 2016 08:34

Wall or roof penetrations (external / fresh air intake) – how have you installed them?

bortel•27 May 2016 07:53

Answers: 34

Becker84 • 11 Jul 2016 18:35

Air-to-water heat pump combined with photovoltaic panels or pellet heating with solar thermal system

Gugugu•2 Jul 2016 22:12

Answers: 25

tabtab • 10 Jul 2016 21:24

Unfinished ventilation system (mechanical ventilation with heat recovery), noise disturbance when sleeping in the room below?

Andre8999•23 Jun 2016 17:30

Answers: 24

Sebastian79 • 7 Jul 2016 07:07

Experiences with gas or air-source heat pumps?

AndreasPlü•27 Apr 2016 20:13

Answers: 44

Legurit • 29 Jun 2016 10:51

Neighbor complains that the mechanical ventilation system is too noisy.

Illo77•23 Jun 2016 16:04

Answers: 17

Mycraft • 29 Jun 2016 07:51

Which type of storage tank is suitable for an air-to-water heat pump?

tabtab•11 Apr 2016 22:52

Answers: 16

Legurit • 24 Jun 2016 09:52

Heat Pump with Photovoltaic System vs. Gas Heating and Solar Thermal Energy

inconel•7 Jun 2016 21:53

Answers: 52

Saruss • 21 Jun 2016 15:21

Gas or air-to-water heat pump. Requesting assistance.

pb1989•8 Jun 2016 07:41

Answers: 16

Peanuts74 • 20 Jun 2016 10:39

The heat pump quote is confusing me.

waldibaer•18 Jun 2016 11:57

Answers: 7

Sebastian79 • 19 Jun 2016 13:10

Bartl heat pump is not functioning properly

Jean_Belgo85•1 Jun 2016 17:00

Answers: 6

Musketier • 16 Jun 2016 13:11

Potential defects in installed mechanical ventilation ductwork – concreting will be done today

sirhc•9 Jun 2016 09:11

Answers: 19

Sebastian79 • 10 Jun 2016 19:16

Central Ventilation System: Durability of the Ductwork

inconel•7 Jun 2016 21:56

Answers: 3

Mycraft • 8 Jun 2016 00:17

Trench Collector Ground Source Heat Pump or Air Source Heat Pump?

Legurit•1 Mar 2015 10:25

Answers: 49

Saruss • 3 Jun 2016 18:59

Ceiling air vent installed incorrectly?

michisa86888•28 May 2016 18:09

Answers: 4

Sebastian79 • 2 Jun 2016 21:00

New Construction – Decentralized Ventilation Without Ceramic Heat Storage

snoogie4321•28 May 2016 20:53

Answers: 2

snoogie4321 • 2 Jun 2016 20:07

Can the air-to-water heat pump also be used for cooling in the summer?

dieter_m•30 May 2016 00:40

Answers: 20

One00 • 31 May 2016 21:21

Air-to-water heat pump with a dedicated meter?

dieter_m•29 May 2016 23:45

Answers: 5

dieter_m • 30 May 2016 23:55

KfW55: Gas or Air-to-Water Heat Pump with or without Photovoltaic System

bvlgari•26 May 2016 10:07

Answers: 17

bvlgari • 30 May 2016 22:16

Ventilation system Pluggit for up to 170 sqm, which units are installed

Ottibotti•8 May 2016 18:25

Answers: 8

One00 • 30 May 2016 20:04

High electricity consumption of the heat pump

Schwupp•24 May 2016 08:02

Answers: 3

Schwupp • 24 May 2016 11:06

Indoor Air Pollutants

unser_schloss•17 May 2016 14:56

Answers: 5

Bieber0815 • 22 May 2016 23:35

Gas or heat pump in a KfW55 energy-efficient house

Becker84•17 May 2016 23:08

Answers: 31

Saruss • 19 May 2016 22:31

Air-to-Water Heat Pump Heating: Indoor vs. Outdoor Installation, Advantages and Disadvantages

Krautsch•2 Sep 2013 11:30

Answers: 7

MarcWen • 18 May 2016 19:43

Heat Pump Connected to Household Electricity or Separate Supply? How to Calculate?

tabtab•9 May 2016 22:57

Answers: 24

Uwe82 • 10 May 2016 22:39

Ventilation System – What to Do When Planning to Change the Use of a Space?

Lile08•30 Apr 2016 23:54

Answers: 10

Payday • 4 May 2016 19:28

Location of the heat pump – in the south?

tabtab•1 May 2016 20:27

Answers: 13

tabtab • 4 May 2016 10:09

Comparison Between Ground Source Heat Pump and Gas Heat Pump

Steve_D•19 Apr 2016 14:39

Answers: 6

T21150 • 3 May 2016 09:10

Ducting enclosures for centralized mechanical ventilation systems with heat recovery

jx7•30 Apr 2016 14:02

Answers: 7

Bieber0815 • 1 May 2016 21:14

Heat pumps, electricity prices, gas prices – where is the trend heading?

tabtab•29 Apr 2016 11:52

Answers: 20

toxicmolotof • 1 May 2016 13:22

Which heating system? Requesting recommendations

5schwaben5•30 Jan 2016 17:49

Answers: 27

T21150 • 29 Apr 2016 11:06

Combining a ventilation system with geothermal heating

FrankR•27 Apr 2016 10:43

Answers: 3

nordanney • 27 Apr 2016 11:51

Warm bedroom in a house with ventilation including heat recovery

Payday•21 Apr 2016 21:56

Answers: 24

Mycraft • 26 Apr 2016 10:14

Reducing Primary Energy Demand through Controlled Mechanical Ventilation

world-e•23 Apr 2016 08:15

Answers: 2

toxicmolotof • 24 Apr 2016 02:13

Air-to-water or ground-source heat pump?

isiebeck•6 Jul 2011 11:48

Answers: 13

Nordmann • 23 Apr 2016 19:06

Space and Cost for Geothermal Heat Pump

Schrimp•21 Jul 2015 14:57

Answers: 33

Legurit • 19 Apr 2016 21:39

Planning Controlled Residential Ventilation Single-Family Home Help – Seeking Feedback

desbo84•18 Apr 2016 18:58

Answers: 5

Sebastian79 • 19 Apr 2016 16:29

Is it better to install the heat pump inside the house or outdoors?

housedreamer•29 Mar 2016 21:42

Answers: 38

Nordmann • 12 Apr 2016 21:14

New Construction + Exhaust Air Heat Pump According to Provider, Is a Trench Collector Affordable?

expose•13 Mar 2016 16:19

Answers: 42

tabtab • 10 Apr 2016 12:52

Heat pump on a separate meter or combined with household electricity

Plasi•3 Apr 2016 12:44

Answers: 20

f-pNo • 4 Apr 2016 10:57

Negative pressure monitor / chimney 4 Pa?

cumpa•25 Feb 2016 22:54

Answers: 36

eisbaer_oz • 30 Mar 2016 20:36

Ventilation or Air Conditioning?

muppet123456•25 Mar 2016 15:39

Answers: 11

Sebastian79 • 28 Mar 2016 09:28

Air-to-water heat pump, gas heating, solar thermal systems in prefab homes – advantages and disadvantages?

IGORR•24 Mar 2016 16:43

Answers: 18

oleda222 • 27 Mar 2016 07:58

Different Screed Method with a Ventilation System?

Bauen15/16•23 Mar 2016 12:59

Answers: 5

Bieber0815 • 23 Mar 2016 22:08

Exhaust Ventilation in the Utility Room – What Is Allowed?

Nupogodi•19 Mar 2016 23:01

Answers: 8

Nupogodi • 22 Mar 2016 19:54

Exhaust Air Heat Pump vs. Ground Source Heat Pump

Galaxie•19 Mar 2016 19:47

Answers: 3

nordanney • 19 Mar 2016 20:46

Is a series buffer tank useful for an air source heat pump?

skwitt•19 Mar 2016 09:12

Answers: 1

Nordmann • 19 Mar 2016 16:51

Which heat pump? Circulation system?

Steve_D•14 Mar 2016 20:12

Answers: 1

Steve_D • 14 Mar 2016 21:00

Ventilation unit

-•8 Jun 2009 19:48

Answers: 9

- • 14 Mar 2016 10:02

Is a ventilation system with heat recovery worthwhile?

-•5 Feb 2016 12:40

Answers: 3

- • 4 Mar 2016 08:53

Is a High Ceiling Height Possible with Mechanical Ventilation Systems?

McEgg•3 Mar 2016 11:23

Answers: 17

McEgg • 3 Mar 2016 22:51

Decentralized Mechanical Ventilation – Yes or No? Pros and Cons?

nils1985•26 Feb 2016 13:15

Answers: 37

Mycraft • 2 Mar 2016 10:03

Experience with ventilation system filter mats

ostsee•2 Jan 2013 21:56

Answers: 3

Mycraft • 29 Feb 2016 20:07

Where to install ducts for controlled residential ventilation in the ceiling of the top floor

world-e•24 Feb 2016 19:21

Answers: 21

Vitalio • 27 Feb 2016 11:43

Ventilation system with round or flat-oval ducts?

Bauherr38•17 Feb 2016 18:58

Answers: 4

Mycraft • 19 Feb 2016 17:10

Is an air source heat pump sufficient for a harsh winter in the Black Forest?

Jackie•29 Dec 2015 15:16

Answers: 14

ErikErdgas • 10 Feb 2016 15:28

Combination of air-to-water heat pump + solar thermal system + stove, or stove and air-to-water heat pump only

Newbie123•2 Feb 2016 22:33

Answers: 13

wrobel • 7 Feb 2016 16:38

Rotex Air Source Heat Pumps

MrDuncan•11 Jan 2016 11:04

Answers: 2

Tshub • 2 Feb 2016 21:21

Air source heat pump frequently stops working intermittently

HilfeHilfe•31 Jan 2016 20:37

Answers: 5

Bauexperte • 1 Feb 2016 10:24

Proper Ventilation for an Interior Bathroom

-•30 Jan 2014 13:28

Answers: 12

- • 23 Jan 2016 06:59

Which ventilation system???

Peanuts74•21 Jan 2016 09:35

Answers: 7

Peanuts74 • 21 Jan 2016 12:54

Building a wall over ground collectors?

-•23 Jul 2012 20:03

Answers: 8

- • 12 Jan 2016 11:50

Mechanical ventilation with heat recovery: no – explanation provided in the text.

Grym•15 Jul 2015 00:00

Answers: 79

Mycraft • 7 Jan 2016 10:55

Planning a Detached Single-Family Home With or Without Ventilation

mathschut•4 Jan 2016 08:57

Answers: 8

DragonyxXL • 6 Jan 2016 09:59

Ventilation/Drying Unit for a Damp Basement

-•30 Aug 2012 19:34

Answers: 8

- • 3 Jan 2016 09:47

Air source heat pump with direct condensation?

starnight•5 Dec 2015 17:33

Answers: 1

ruko42 • 27 Dec 2015 22:32

Mold Under the Bathroom Ventilation System

-•8 Sep 2012 19:37

Answers: 10

- • 26 Dec 2015 08:00

Is Moisture Recovery Useful in Controlled Residential Ventilation?

world-e•4 Dec 2015 14:54

Answers: 18

Mycraft • 23 Dec 2015 13:36

Ventilation System – Issues with Dry Indoor Air

-•18 Nov 2012 04:53

Answers: 9

- • 17 Dec 2015 14:41

How much did you pay for your mechanical ventilation system with heat recovery?

Grym•10 Sep 2015 19:30

Answers: 16

nordanney • 17 Dec 2015 14:01

Central ventilation system extremely expensive.

daniels87•7 Sep 2015 07:42

Answers: 9

Ebbi_82 • 16 Dec 2015 09:58

Centralized and decentralized ventilation: a brief experience report

hexentrics•11 Jul 2015 13:12

Answers: 4

Ebbi_82 • 16 Dec 2015 09:43

Exhaust hood in a mechanical ventilation system with heat recovery: What are your experiences?

Sheriff•13 May 2015 11:29

Answers: 30

Peanuts74 • 15 Dec 2015 07:47

Smart grid-compatible heat pump

daytona•14 Dec 2015 10:08

Answers: 4

Sebastian79 • 14 Dec 2015 12:21

Air-to-water heat pump, what is your energy consumption?

xycrazy•13 Dec 2015 23:24

Answers: 3

Bauexperte • 14 Dec 2015 09:56

Space requirements in the utility room for a centralized ventilation system

sirhc•29 Nov 2015 17:21

Answers: 41

Vitalio • 10 Dec 2015 20:57

Heating System Question for New Build KfW 70: Air Source Heat Pump + Solar, Ice Storage?

hiasl86•24 Feb 2015 11:42

Answers: 29

Saruss • 7 Dec 2015 16:59

Air-to-water heat pump combined with solar energy

Michell1988•6 Dec 2015 20:55

Answers: 1

Mycraft • 6 Dec 2015 21:22

Heat Pump / Final Energy Demand / Annual Performance Factor?

world-e•1 Dec 2015 13:55

Answers: 20

Uhtred • 6 Dec 2015 12:23

Is the offer for an air-to-water heat pump including underfloor heating acceptable?

m_l_r_s•24 Nov 2015 14:22

Answers: 19

m_l_r_s • 25 Nov 2015 08:51

HvH combines an air-source heat pump with panel radiators – what about the temperature settings?

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ölschlamm•17 Nov 2015 22:42

Answers: 29

Saruss • 22 Nov 2015 21:26

1 Year with the Ventilation System: Clarity, Facts, and Energy Costs

Bastelwastel•27 Aug 2013 23:56

Answers: 36

M. O. • 22 Nov 2015 15:57

Ventilation of Multiple Wet Rooms

Hansemann13•11 Nov 2015 21:53

Answers: 1

kbt09 • 12 Nov 2015 06:47

Heating up the screed – heat pump or portable heater?

WildThing•6 Nov 2015 13:02

Answers: 5

WildThing • 9 Nov 2015 08:56

Insulation for Heat Pumps

Manu1986•6 Oct 2015 12:10

Answers: 4

Rübe1 • 31 Oct 2015 18:16

Dry indoor air

-•23 Nov 2008 08:17

Answers: 35

- • 26 Oct 2015 12:53

Which heating system? Air source heat pump / gas / geothermal heating

Nina132•26 Mar 2015 19:57

Answers: 52

Umbau-Susi • 25 Oct 2015 22:53

Prefabricated House Heating: Gas / Air Source Heat Pump / Underfloor Heating

Gatho•11 Sep 2015 01:45

Answers: 22

Bauexperte • 23 Oct 2015 11:24

Which combination of heat pump and supplementary heating system is recommended?

daytona•14 Oct 2015 07:42

Answers: 2

oleda222 • 14 Oct 2015 09:32

Ground-Source Heat Pump – Redrilling After X Years?

mading•9 Oct 2015 08:07

Answers: 4

Müllerin • 9 Oct 2015 20:16

KfW70 now only possible with a heat pump?

daytona•8 Oct 2015 07:19

Answers: 26

daytona • 8 Oct 2015 19:39

Moisture in Masonry

-•10 Feb 2009 08:35

Answers: 9

- • 6 Oct 2015 13:37

Comparison of Heating Electricity Costs for Air-to-Water Heat Pumps from Different Providers

DJCOON•29 Sep 2015 20:50

Answers: 24

Saruss • 2 Oct 2015 09:59

Blower Door Test Required for Ventilation Systems and KfW 70 Energy Standard

WildThing•28 Sep 2015 16:31

Answers: 16

Cascada • 1 Oct 2015 15:14

Air-to-water or air-to-air heat pump for a new single-family home, 150 sqm?

larina•25 Jul 2015 15:58

Answers: 13

larina • 29 Sep 2015 16:32

Air-to-Water Heat Pump – Questions About a Quote

Macallan•29 Sep 2015 08:31

Answers: 2

Macallan • 29 Sep 2015 13:16

ᐅ Heat Pumps / Ventilation Systems

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