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!

Systemair VR400DCV/DE vs. Helios EC300 Pro/ET

F

fish69•10 Jan 2011 14:30

Answers: 3

H

halmi • 7 Oct 2019 16:59

Proper Ventilation Without Mechanical Ventilation Systems – Possibly Using a Hygrometer

M4rvin•13 Sep 2019 11:47

Answers: 6

M

michert • 13 Sep 2019 18:38

Controlled residential ventilation / DIBt-certified stove / pressure monitor

P

PhoenixDH•16 Jul 2013 09:23

Answers: 59

Y

ypg • 11 Sep 2019 12:21

Is it true that you are no longer allowed to open the windows when using a ventilation system?

H

Heidi1965•5 Sep 2019 13:27

Answers: 15

U

Umbau17 • 6 Sep 2019 11:32

Experiences with Decentralized Ventilation Systems

A

Andre77•4 Sep 2019 12:15

Answers: 4

U

Umbau17 • 4 Sep 2019 14:34

Does anyone have experience with the ventilation system from Getair?

R

Roni2016•31 Aug 2016 22:03

Answers: 13

P

Philipk • 1 Sep 2019 16:49

Optimal Heating for Prefabricated Houses: Air-to-Air Heat Pump vs. Air-to-Water Heat Pump?

B

Bleeker•13 Aug 2019 00:05

Answers: 5

D

dropss89 • 23 Aug 2019 13:05

Experience with Fujitsu - Zewotherm Duo - Air-to-Water Heat Pump

M

Malz1902•9 Oct 2017 08:42

Answers: 14

M

Malz1902 • 7 Aug 2019 07:40

Controlled residential ventilation in precast concrete slabs – soundproofing?

B

brauk346•16 Jul 2019 10:45

Answers: 7

Mycraft • 19 Jul 2019 17:30

Manufacturers and Suppliers of Controlled Residential Ventilation Systems with Earth-to-Air Heat Exchanger (EWT) in Hesse

B

BabaLa•29 Sep 2018 14:42

Answers: 1

M

micric3 • 10 Jul 2019 13:26

Pipe routing <-> Flow noise

D

Dark_Templar•28 Apr 2019 22:06

Answers: 3

N

nick188 • 19 Jun 2019 09:50

Ceiling outlets for controlled mechanical ventilation, is that correct?

T

tumaa•2 Jun 2019 13:22

Answers: 33

T

tumaa • 11 Jun 2019 10:37

Mechanical ventilation with heat recovery – Is setting level 7 out of 9 a reasonable configuration?

S

stefanc84•3 Jan 2018 21:30

Answers: 22

HIGIL • 10 Jun 2019 11:05

Condensation and Mold on Supply Air Duct – What to Do?

Lüftung_KWL_•27 Jan 2018 18:16

Answers: 11

HIGIL • 28 May 2019 12:58

Is a centralized exhaust-based controlled ventilation system common in the kitchen area?

D

dab_dab•22 May 2019 11:30

Answers: 6

D

dab_dab • 27 May 2019 19:07

Please review my mechanical ventilation system design for residential buildings.

C

Christian NW•21 Feb 2019 09:50

Answers: 6

HIGIL • 27 May 2019 14:45

Avent ventilation unit AP Pluggit

I

immermehr•14 May 2019 15:58

Answers: 1

Mycraft • 14 May 2019 16:46

Exhaust Ventilation / Air Ventilation for the Utility Room

untergasse43•23 Apr 2019 09:15

Answers: 5

rick2018 • 23 Apr 2019 21:11

Exhaust Air Heat Pump vs. Air-to-Water Heat Pump + Photovoltaics: Experiences?

J

johartje•17 Apr 2019 15:15

Answers: 8

D

Deliverer • 18 Apr 2019 13:44

BAFA Innovation Grant for Air Source Heat Pumps

G

Grantlhaua•20 Mar 2019 10:45

Answers: 43

G

gnika77 • 12 Apr 2019 10:06

Flue Control / Pressure Switch for Shutoff of Mechanical Ventilation with Heat Recovery

M

Mottenhausen•25 Mar 2019 20:57

Answers: 16

F

fragg • 1 Apr 2019 09:31

Quote for Pluggit MVHR – Heat Recovery System

MadameP•11 Dec 2018 20:39

Answers: 14

lin0r87 • 31 Mar 2019 13:44

Electricity Consumption of Air-to-Water Heat Pumps

A

Albbino•20 Nov 2018 16:31

Answers: 20

G

gnika77 • 25 Mar 2019 17:42

Roof suddenly too small for mechanical ventilation system!

M4rvin•24 Feb 2019 08:51

Answers: 54

M4rvin • 25 Mar 2019 17:26

Recommendation for a Mechanical Ventilation System with Horizontal Installation

S

Stefan D.•24 Mar 2019 22:18

Answers: 5

S

Stefan D. • 25 Mar 2019 09:01

Inlet Elements Zuroh 100 / Zuroh 110

M

Malz1902•13 Mar 2019 08:38

Answers: 2

M

Malz1902 • 13 Mar 2019 13:28

Central ventilation system — is it advisable to install it in the basement as well?

L

LuckyDuke•19 Feb 2019 18:00

Answers: 18

T

Trasher19 • 4 Mar 2019 11:56

Sewer Odor / Ventilation System

B

bene1981•19 Nov 2018 07:24

Answers: 16

D

Dark_Templar • 3 Mar 2019 09:22

Just avoid the Hoval RS 250.

H

haus78•25 Mar 2011 20:52

Answers: 17

O

oszired • 19 Feb 2019 01:16

Windows Fogging Up Despite Ventilation System

B

baschdieh•21 Jan 2019 16:02

Answers: 49

KingSong • 16 Feb 2019 18:40

Mechanical Ventilation with Heat Recovery (MVHR) System – Maximum Duct Lengths – What Are the Consequences?

R

Reini1234•11 Feb 2019 10:33

Answers: 14

Dr Hix • 13 Feb 2019 17:58

Cleaning of ventilation ducts in ventilation systems

L

Luftikuss•21 Oct 2018 16:49

Answers: 89

M

MayrCh • 12 Feb 2019 12:39

Blown-in insulation has a musty, plastic-like odor.

K

Kaliz01•23 Jan 2019 20:18

Answers: 6

ares83 • 10 Feb 2019 08:22

Mechanical ventilation with heat recovery instead of solar thermal energy?

K

Kabelmodem87•6 Jun 2018 01:41

Answers: 30

K

kszb5 • 31 Dec 2018 14:46

Tips and Tricks for Controlled Residential Ventilation Systems

R

red-ed•27 Dec 2018 16:16

Answers: 18

Mycraft • 29 Dec 2018 09:07

Planning and Design of a Mechanical Ventilation System with Heat Recovery – Maximum Duct Lengths

C

caddar•16 Dec 2018 21:12

Answers: 12

Dr Hix • 18 Dec 2018 07:45

Is a Proposal for Controlled Residential Ventilation with Heat Recovery Justified?

C

chrisw81•17 Dec 2018 10:10

Answers: 9

Z

Zaba12 • 17 Dec 2018 19:09

Heat Pump Design – Properly Sized or Not

B

Bonagel•20 Mar 2012 20:41

Answers: 9

C

CoolTwo • 13 Dec 2018 21:30

Controlled residential ventilation – filters installed directly in exhaust vents

T

Tommes78•14 Nov 2018 08:45

Answers: 11

C

Curly • 16 Nov 2018 17:12

Controlled residential ventilation Dry air – are humidifiers the right solution?

B

Barossi•21 Jan 2018 09:43

Answers: 31

D

Dark_Templar • 4 Nov 2018 19:23

Decision on Mechanical Ventilation System: Helios EC 300 W R vs. HomeVent Comfort FR 301

D

Don_Mikele87•4 Jul 2018 21:50

Answers: 12

G

Grass • 29 Oct 2018 15:29

Is it advisable to plan a central ventilation system with heat recovery?

P

Pädda•10 Aug 2018 16:17

Answers: 13

B

Bookstar • 28 Oct 2018 22:11

Location of the central ventilation unit

H

HausbauTiNa•15 Oct 2018 21:14

Answers: 13

Dr Hix • 17 Oct 2018 01:32

Integrating Cooling into Mechanical Ventilation with Heat Recovery or Using a Separate Air Conditioning System?

J

junge_familie•9 Oct 2018 22:13

Answers: 14

A

Alex85 • 11 Oct 2018 18:26

Soundproof transfer air devices for wall installation (controlled residential ventilation)

P

Pädda•5 Mar 2018 07:31

Answers: 15

B

Bieber0815 • 23 Sep 2018 20:00

Controlled ventilation system exhaust air pantry with sliding door

R

RuckiWerch•14 Aug 2018 18:34

Answers: 1

A

Alex85 • 14 Aug 2018 18:44

Integrated Window Ventilation: Choosing Between Passive and Active Systems

T

Thierse•28 Jul 2018 12:29

Answers: 3

Mycraft • 28 Jul 2018 13:31

New Construction: Choose a Ventilation System or Integrated Window Ventilation?

T

Thierse•28 Jul 2018 10:21

Answers: 3

M

Müllerin • 28 Jul 2018 11:41

Is a preheating coil necessary – or is an enthalpy exchanger a better option?

W

Wickie•20 Jul 2018 07:32

Answers: 5

W

Wickie • 23 Jul 2018 14:07

Control of Ventilation Systems in Single-Family Homes

M

Meister_Lampe•22 Jun 2018 11:47

Answers: 9

Mycraft • 23 Jun 2018 00:15

Operation and Control of the Mechanical Ventilation System with Heat Recovery in Single-Family Homes

T

Tentakel•8 Jun 2018 13:59

Answers: 3

T

Tentakel • 12 Jun 2018 16:26

Mechanical ventilation with heat recovery in insulated attic or basement?

P

Pommes01•12 Jun 2018 08:59

Answers: 1

Mycraft • 12 Jun 2018 11:51

Controlled Residential Ventilation for Single-Family Homes – Planning and Design Using Helios Easyplan

A

Almo85•1 Mar 2018 09:28

Answers: 34

Mycraft • 7 Jun 2018 18:15

Which Ventilation System is Best for Renovating Older Buildings?

S

SauerCh•5 May 2018 09:58

Answers: 2

S

SauerCh • 13 May 2018 12:16

Controlled Residential Ventilation – What Should You Consider When Choosing One?

J

junge_familie•13 Feb 2018 16:38

Answers: 30

C

cybergnom • 26 Apr 2018 21:26

Ventilation system – accessible air distribution box

T

Tommes78•26 Apr 2018 13:17

Answers: 1

M

Mastermind1 • 26 Apr 2018 20:08

Is a combined wall duct for intake and exhaust practical?

S

selda*•17 Apr 2018 10:17

Answers: 2

HIGIL • 19 Apr 2018 10:10

Controlled residential ventilation: Is an air gap under the doors necessary?

WildThing•3 Mar 2016 13:57

Answers: 27

P

Pädda • 31 Mar 2018 08:14

Installation of Decentralized Blauberg Ventilators – Which Expanding Foam to Use?

K

krischaaan•28 Jan 2018 18:02

Answers: 2

HIGIL • 17 Mar 2018 09:23

Moisture in the ventilation unit with rotary heat exchanger

H

hstkai•5 Mar 2018 13:48

Answers: 1

Mycraft • 5 Mar 2018 14:10

Specialized ventilation systems needed for older buildings

D

derMartin•23 Feb 2018 06:42

Answers: 6

D

derMartin • 4 Mar 2018 18:13

Central or Decentralized Ventilation System – Who Has Experience?

G

Gerd&Jolanthe•26 Feb 2018 10:48

Answers: 42

B

Bookstar • 4 Mar 2018 13:58

Heating Savings: Is up to 95% Heat Recovery Realistically Achievable?

A

Aliban2014•25 Feb 2018 20:52

Answers: 9

Mycraft • 27 Feb 2018 10:58

Which ventilation system from the offers is recommended?

S

Skyfire•24 Feb 2018 07:37

Answers: 8

S

Skyfire • 24 Feb 2018 14:15

Controlled residential ventilation in winter, dry air—what can be done about it?

T

Tommes78•12 Feb 2018 09:19

Answers: 29

M

mertmk3 • 19 Feb 2018 13:14

Controlled residential ventilation system or photovoltaic system? Looking for decision-making guidance, pros and cons

C

cybergnom•8 Feb 2018 13:08

Answers: 18

C

cybergnom • 10 Feb 2018 13:23

Ventilation and Exhaust with Moisture Recovery?

blaupuma•5 Feb 2018 20:42

Answers: 13

G

garfunkel • 9 Feb 2018 14:35

About Passive Houses, Plastic Bags, and Styrofoam Cladding

N

Nordlys•26 Jan 2018 22:22

Answers: 107

kaho674 • 2 Feb 2018 14:15

Heat Pump – Is It Only Worthwhile with KfW55-Level Insulation?

C

chrivo•20 Jan 2018 20:41

Answers: 9

D

Domski • 21 Jan 2018 21:21

Controlled Residential Ventilation System – Decision Guide

B

baumhaus815•22 Oct 2017 11:14

Answers: 31

B

Baumfachmann • 19 Jan 2018 18:03

Choosing a Heat Pump Heating System

F

fortuneflake•9 Jan 2018 09:30

Answers: 2

B

Bieber0815 • 16 Jan 2018 12:04

Is it worthwhile to lower the heat pump temperature at night?

M

Malz1902•11 Jan 2018 13:45

Answers: 13

N

Nordmann • 15 Jan 2018 22:20

A controlled residential ventilation system has its exhaust outlet planned in the light well. Could this cause any issues?

T

Tommes78•11 Jan 2018 12:13

Answers: 1

Mycraft • 15 Jan 2018 14:21

General Assessment of the Ventilation Concept

B

baumhaus815•20 Jan 2017 10:31

Answers: 3

B

Baumfachmann • 14 Jan 2018 19:11

Ventilation System – General Questions about Ventilation and Maintenance

J

junge_familie•14 Jan 2018 17:06

Answers: 3

B

Baumfachmann • 14 Jan 2018 18:34

Enclosing the Vent Outlet on the Exterior of the House – Suggestions?

K

KrustyDerClown•5 Jan 2018 00:50

Answers: 7

K

KrustyDerClown • 11 Jan 2018 23:33

Nilan ventilation system with controlled heat recovery

blaupuma•30 Dec 2017 23:32

Answers: 29

M

meister keks • 9 Jan 2018 05:08

Ventilation System by Pluggit – Issues with Excessively Dry Air

K

KuA13•18 Dec 2015 11:01

Answers: 17

Mycraft • 6 Jan 2018 09:46

Heating System for New Build (Heat Pump + Stove + Solar)

B

bau_name•24 Dec 2017 08:58

Answers: 35

B

bau_name • 30 Dec 2017 07:59

Combined ventilation and heat pump system or separate units

M

MangoLychee•10 Dec 2017 16:57

Answers: 6

M

Mastermind1 • 28 Dec 2017 23:01

Where is it most practical to install supply and exhaust air ducts in this area?

J

jeandado•8 Dec 2017 01:56

Answers: 1

J

jeandado • 22 Dec 2017 19:57

How many cubic meters per hour do I need for good indoor air quality?

C

Christian NW•17 Dec 2017 15:45

Answers: 17

H

hstkai • 18 Dec 2017 10:59

Distribution system (supply and exhaust air) integrated into the upper floor slab

C

Christian NW•15 Dec 2017 17:52

Answers: 12

C

Christian NW • 17 Dec 2017 14:04

Air Volume Design – Is Floor-by-Floor Balancing Necessary?

R

ruppsn•4 Dec 2017 21:18

Answers: 3

B

Bieber0815 • 6 Dec 2017 11:40

Heat exchanger for recording studio – Need advice

J

jeandado•28 Nov 2017 11:07

Answers: 7

J

jeandado • 29 Nov 2017 00:26

Ventilation system with heat recovery, installation location temperature

V

Vwgolfcabrio•24 Nov 2017 11:54

Answers: 11

B

Bieber0815 • 27 Nov 2017 13:19

Comparison Tests of Various Centralized Mechanical Ventilation Systems with Heat Recovery + Additional Questions

4

4Motion•1 Nov 2017 17:46

Answers: 26

Mycraft • 22 Nov 2017 08:25

Experience with Zeolite-based Gas Heat Pumps?

X

xycrazy•27 Sep 2015 22:39

Answers: 9

S

sichtbeton82 • 21 Nov 2017 09:07

Energy-efficient house ventilation overlooked

D

Dosihris•15 Oct 2017 19:28

Answers: 5

D

Dosihris • 20 Nov 2017 15:03

Ventilation: Central or Decentralized?

T

trequ•5 Nov 2017 16:16

Answers: 27

D

Deliverer • 8 Nov 2017 10:12

Ventilation System Helios Controlled Residential Ventilation – Settings

satisfied•1 Nov 2017 10:14

Answers: 0

satisfied • 1 Nov 2017 10:14

Experience with Noise Levels in dB(A) of a Central Mechanical Ventilation System with Heat Recovery

J

jx7•15 Aug 2017 20:49

Answers: 14

J

jx7 • 26 Oct 2017 19:12

Residential ventilation and dehumidification using a domestic hot water heat pump

P

Pitti•16 Oct 2017 02:11

Answers: 6

B

BigFlow • 25 Oct 2017 12:02

Fan Speed of Your Helios Controlled Residential Ventilation System

J

jx7•16 Sep 2017 14:26

Answers: 4

J

jx7 • 25 Oct 2017 11:55

Decommissioned chimney for mechanical ventilation system in an older building

T

Tobias87•24 Oct 2017 22:16

Answers: 0

T

Tobias87 • 24 Oct 2017 22:16

Heat Pump Undersized for a Six-Unit Residential Building?

B

Bembe•7 Oct 2017 16:17

Answers: 12

B

Bembe • 21 Oct 2017 11:30

Air-to-Water Heat Pump Operating in Heating Mode – Is This Heating System Vulnerable?

T

Tentakel•20 Oct 2017 14:59

Answers: 4

A

Alex85 • 21 Oct 2017 07:28

Core drilling through masonry for a ventilator: which equipment should be used?

K

krischaaan•19 Oct 2017 16:34

Answers: 3

T

Tentakel • 20 Oct 2017 14:17

Heating of the incoming air in the duct

Thorsten_J•2 Oct 2017 03:25

Answers: 16

Thorsten_J • 15 Oct 2017 08:15

Experiences with heat pump flow temperatures?

N

nxs80•10 Oct 2017 09:13

Answers: 13

S

Saruss • 14 Oct 2017 10:07