ᐅ Heating / HVAC

Learn how to choose the optimal heating and cooling systems for your home – ensuring comfortable temperatures and greater energy efficiency in everyday living!

Heat Pumps and the Issue of Legionella

kati1337•28 Feb 2021 12:43

Answers: 1

N

nordanney • 28 Feb 2021 12:49

Cold district heating with ground source heat pump

D

DaniMartinez•25 Feb 2021 21:16

Answers: 46

Z

Zaba12 • 28 Feb 2021 11:27

Which Radiators? – Part Two

T

Träumerle•23 Feb 2021 13:27

Answers: 3

T

Träumerle • 23 Feb 2021 15:29

Combining a heat pump with a hydronic fireplace

M

Michlhausbauaa•3 Feb 2021 10:34

Answers: 60

T

T_im_Norden • 19 Feb 2021 19:29

ERR activates actuator despite being too warm

M

Malz1902•19 Feb 2021 08:16

Answers: 9

Mycraft • 19 Feb 2021 09:52

Shell boiler / hard coal

D

DennisD80•10 Jul 2015 12:35

Answers: 4

H

hampshire • 19 Feb 2021 08:15

Ground Source Heat Pump Ecotouch ai1 geo by Waterkotte – User Experiences

S

Schlauerfuchs•27 Oct 2020 12:07

Answers: 5

S

Schlauerfuchs • 17 Feb 2021 10:07

Heating System Optimization or Heat Pump?

L

Lukas Scheider•16 Feb 2021 14:10

Answers: 4

P

parcus • 16 Feb 2021 14:51

Experience Arotherm Plus 75/6 at 230 V S2

T

Tobias Oelrich•14 Feb 2021 18:08

Answers: 11

Tolentino • 15 Feb 2021 09:15

Full Basement for Hobby and Office – Underfloor Heating, Electric Radiator, or Infrared Heating?

S

SaschaL•13 Feb 2021 12:30

Answers: 13

S

SaschaL • 14 Feb 2021 08:52

Air-to-Water Heat Pumps – Your Experiences (All Brands) / Types, Costs

U

unequa13•12 Feb 2021 14:02

Answers: 7

B

Bookstar • 12 Feb 2021 22:16

Underfloor Heating in the Bathroom: More Pipes Instead of a Radiator?

H

Harry im Club•1 Jan 2021 18:07

Answers: 7

Mycraft • 12 Feb 2021 14:35

Unusual Behavior of Underfloor Heating ESBE Actuator Controller 90°C

N

Nanopixel•8 Feb 2021 16:27

Answers: 4

N

Nanopixel • 10 Feb 2021 13:45

Air Source Heat Pump – Increasing Heating Capacity

T

Tx-25•5 Feb 2021 08:39

Answers: 11

G

guckuck2 • 10 Feb 2021 06:48

Is it better to drain the oil heating system before renovation, or not?

K

kdw1234•9 Feb 2021 17:50

Answers: 1

N

nordanney • 9 Feb 2021 19:06

Draining the buffer tank (heating system) – Kago Econom P 600

E

Egon der 3.•7 Feb 2021 23:54

Answers: 3

Mycraft • 8 Feb 2021 11:37

Neighbor thinks the air-to-water heat pump is too noisy

M

Malz1902•11 Jan 2021 13:40

Answers: 36

11ant • 5 Feb 2021 15:44

Underfloor Heating – Topmeter Shows No Flow

A

Andre77•4 Feb 2021 19:56

Answers: 5

rick2018 • 5 Feb 2021 09:39

Proper Insulation for Copper Pipes

J

Jonas90•2 Feb 2021 11:59

Answers: 6

rick2018 • 5 Feb 2021 08:07

Bedroom too warm

J

Janbaut•4 Feb 2021 10:16

Answers: 13

Z

Zaba12 • 4 Feb 2021 15:06

Pellet Stove vs. Wood-Burning Stove

B

BenBaumeister•25 Jan 2021 17:37

Answers: 10

S

steiner72 • 3 Feb 2021 16:36

Underfloor heating beneath the bathtub and shower

B

Bauherr am L•23 Jun 2020 22:30

Answers: 13

T

T_im_Norden • 1 Feb 2021 18:09

How do you call this fitting/valve/cap used to "shut off" a floor heating loop?

Mbk84•24 Jan 2021 18:46

Answers: 13

Mbk84 • 1 Feb 2021 15:57

Heating – One Thermostat Less – Same Price, Acceptable?

R

Rosema7•29 Jan 2021 14:22

Answers: 7

Mycraft • 30 Jan 2021 10:57

Air-to-water heat pump Rotex HPSU Compact 516 – user experiences

C

Chris1990•5 Dec 2020 09:35

Answers: 9

tomtom79 • 25 Jan 2021 09:44

Air-to-Water Heat Pump – Location of the Outdoor Unit – Maximum Distance / Efficiency

N

netuser•21 Jan 2021 13:03

Answers: 9

O

Olli-Ka • 23 Jan 2021 02:43

Air-to-water heat pump consumption at 30 kWh per day

M

M. Gerd•16 Jan 2021 16:30

Answers: 52

face26 • 20 Jan 2021 14:28

Spontaneous Adjustments to Underfloor Heating Design

KingJulien•13 Jan 2021 14:06

Answers: 33

T

T_im_Norden • 18 Jan 2021 19:09

Comparison of Geothermal Heat Pump and Air-to-Water Heat Pump

M

mjammjammjam•8 Aug 2020 22:33

Answers: 86

W

WilderSueden • 13 Jan 2021 18:55

Reading Consumption Values on a Vaillant EcoCompact Gas Boiler

P

pagoni2020•11 Jan 2021 23:25

Answers: 2

P

pagoni2020 • 13 Jan 2021 14:14

Does the heat meter in kWh correspond directly to the gas bill?

C

chamäleon•4 Jan 2021 16:37

Answers: 3

Tolentino • 4 Jan 2021 17:50

How to Heat Your Home: Heat Pump or Pellet Stove?

L

Lycka21•30 Dec 2020 21:32

Answers: 7

H

hampshire • 4 Jan 2021 12:36

Heating a basement hobby room with infrared or electric heaters?

H

Hagiman2000•17 Feb 2018 16:21

Answers: 15

P

pagoni2020 • 3 Jan 2021 20:46

Heat the screed in the shower area immediately after installation.

P

Pädda•2 Jan 2021 07:35

Answers: 1

Vicky Pedia • 2 Jan 2021 11:29

Ground-source heat pump with buffer tank and underfloor heating

W

WilderSueden•31 Dec 2020 18:55

Answers: 4

D

dhd82 • 2 Jan 2021 08:09

Danfoss underfloor heating too warm

N

Niha123•30 Dec 2020 21:00

Answers: 15

tomtom79 • 31 Dec 2020 13:40

Recommendation for Digital Heating Thermostat

_

_Ugeen_•27 Dec 2020 21:29

Answers: 79

M

motorradsilke • 30 Dec 2020 20:58

Installing underfloor heating by milling

S

speer•27 Dec 2020 17:38

Answers: 3

G

guckuck2 • 29 Dec 2020 08:48

New pump causes issues, hisses, and room does not warm up properly

S

S_t_e_p_h_a_n•26 Dec 2020 14:34

Answers: 1

K

knalltüte • 26 Dec 2020 15:13

Experiences with the EcoAir 614M Heat Pump by Giersch

H

Hausbau2019•18 Dec 2020 16:26

Answers: 7

Hausbau0815 • 18 Dec 2020 20:46

The district heating control unit is switching on too frequently.

I

IchBauMichWeg•15 Dec 2020 18:04

Answers: 1

I

IchBauMichWeg • 18 Dec 2020 10:12

Ground source heat pump primarily used for cooling – does that make sense?

F

Fixmalfertig•14 Dec 2020 19:26

Answers: 6

Schimi1791 • 16 Dec 2020 07:54

Ice formation on brine line of heat pump

S

Stadtvilla19•29 Sep 2020 10:28

Answers: 78

S

Stadtvilla19 • 14 Dec 2020 22:54

Underfloor Heating Heat Load Calculation – Explained Simply

H

Hamburger2020•3 Dec 2020 13:36

Answers: 26

N

nordanney • 14 Dec 2020 21:41

Heat pump KNV or IDM air source heat pump

H

Hausmanu•26 Oct 2020 19:18

Answers: 13

H

Hausmanu • 10 Dec 2020 12:24

Quote from the heating engineer came as a surprise

S

St33lfight3r•8 Dec 2020 19:08

Answers: 7

S

St33lfight3r • 9 Dec 2020 12:19

Thermal balancing – Initial measurements taken for adjustment

T

Tx-25•3 Dec 2020 15:04

Answers: 33

T

Tx-25 • 7 Dec 2020 09:28

Underfloor heating not adjustable

A

Atlas123•5 Dec 2020 19:23

Answers: 8

R

RotorMotor • 6 Dec 2020 12:06

New Construction KfW55 House – Heating System Design, Conflicting Information

D

DE_Haus•5 Dec 2020 13:15

Answers: 22

N

nordanney • 6 Dec 2020 10:30

Gas with solar thermal? Or heat pump with photovoltaic? Advice needed

M

Micha8589•5 Feb 2020 08:57

Answers: 149

M

motorradsilke • 5 Dec 2020 09:17

Heat Pump Heating Settings

Musketier•4 Dec 2020 12:51

Answers: 2

Musketier • 4 Dec 2020 14:02

Single-Pipe Heating in Niches: Relocate, Insulate, or Replace?

S

simimimi•2 Dec 2020 10:00

Answers: 9

S

simimimi • 2 Dec 2020 16:16

Gas valve and handbrake of the heating system: Is this explanation correct?

V

vaderle•22 Nov 2020 15:05

Answers: 60

N

netuser • 1 Dec 2020 22:06

"Sectional stainless steel radiator"

manohara•29 Nov 2020 16:41

Answers: 17

H

haydee • 30 Nov 2020 15:41

How do room thermostats work in a detached single-family house?

F

fraubauer•27 Nov 2020 11:59

Answers: 9

Y

ypg • 27 Nov 2020 21:42

Fresh water station causes temperature fluctuations

H

HabneFrage•24 Nov 2020 18:15

Answers: 8

H

HabneFrage • 25 Nov 2020 21:08

Heating Load Calculation & Installation Plan According to DIN: Is a New Calculation Required?

Tolentino•2 Nov 2020 11:15

Answers: 41

Mycraft • 24 Nov 2020 09:37

Which gas condensing boiler for domestic hot water

A

Arnolds•18 Oct 2020 11:40

Answers: 6

A

Arnolds • 21 Nov 2020 18:18

Hybrid gas/air-to-water heat pump or gas with power-to-heat

T

Träumerle•19 Nov 2020 21:58

Answers: 14

B

Bookstar • 21 Nov 2020 12:00

Air-to-water heat pump supply temperatures

L

lesmue79•17 Nov 2020 18:10

Answers: 34

L

lesmue79 • 20 Nov 2020 23:07

Integrated unit Stiebel Eltron LWZ 504 with central supply air system

DJCOON•19 Oct 2014 20:20

Answers: 82

T

T_im_Norden • 16 Nov 2020 08:31

Parking in Front of an Air-to-Water Heat Pump – Issues?

bauenmk2020•14 Nov 2020 07:59

Answers: 4

Mycraft • 14 Nov 2020 12:34

Technical Comparison of Air-to-Water Heat Pumps

K

Knuschelpeter•2 Nov 2020 07:37

Answers: 25

�

Ötzi Ötztaler • 9 Nov 2020 17:24

Which air source heat pump meets the requirements set out in the building plan?

K

Krypto83•7 Nov 2020 20:22

Answers: 9

11ant • 7 Nov 2020 22:34

Mechanical ventilation with heat recovery vs. exhaust ventilation with heat recovery in KfW 40 standard construction

MaxiFrett•7 Nov 2020 19:28

Answers: 2

D

Daniel-Sp • 7 Nov 2020 19:51

3 underfloor heating circuits in the bathroom, 1 not working, what should I do?

KingSong•6 Dec 2018 07:30

Answers: 33

OWLer • 4 Nov 2020 18:24

Calculate the annual performance factor (seasonal performance factor) based on electricity consumption?

M4rvin•3 Nov 2020 13:09

Answers: 8

tomtom79 • 4 Nov 2020 18:04

Heating Control for District Heating – Either Too Hot or Switched Off

Tolentino•21 Oct 2020 17:08

Answers: 2

Tolentino • 2 Nov 2020 10:55

What do you think about the local heating system offer?

T

TitusPullo•20 Jan 2020 23:33

Answers: 23

T

TitusPullo • 28 Oct 2020 15:36

Groundwater Heat Pump – Disadvantages?

L

Lückenfüller•26 May 2018 09:56

Answers: 19

rick2018 • 26 Oct 2020 09:11

Which type of stovepipe do I need?

F

frankmehlhop•28 Sep 2020 19:12

Answers: 7

F

frankmehlhop • 24 Oct 2020 18:18

Air source heat pump and condensate pump on the same electrical circuit?

C

Corini1985•22 Oct 2020 15:47

Answers: 3

Mycraft • 22 Oct 2020 17:27

Selecting Gas Heating Capacity: 20 kW Instead of 14 kW

H

Hausbaer•8 Oct 2020 18:43

Answers: 29

T

T_im_Norden • 22 Oct 2020 06:36

Underfloor heating with wall heating in a timber and clay house

O

ownakasimon•22 Jul 2020 09:49

Answers: 8

L

Lumpi_LE • 19 Oct 2020 10:33

CTA Aeroheat Heat Pump Settings for Optimization

I

ivenh0•15 Oct 2020 11:59

Answers: 17

D

Daniel-Sp • 16 Oct 2020 15:46

Thermal Balancing of Underfloor Heating – How to Proceed?

T

Tx-25•14 Oct 2020 12:03

Answers: 22

J

Joedreck • 15 Oct 2020 17:09

Is an air-to-water heat pump economical for this house?

N

notmaksen•15 Oct 2020 12:48

Answers: 6

B

Bookstar • 15 Oct 2020 16:03

Experiences with "Thermisto Swift" / Underfloor Heating for Retrofitting by Cutting Grooves

P

pikniker13•23 Feb 2020 20:21

Answers: 7

C

chippy79 • 14 Oct 2020 10:25

Directing Condensation Water into the Downspout?

H

hippjoha•10 Oct 2020 22:12

Answers: 7

H

hippjoha • 12 Oct 2020 13:00

Upgrading underfloor heating with actuators and wireless receivers

A

ashley•1 Oct 2020 11:58

Answers: 33

Mycraft • 9 Oct 2020 13:50

Additional Cost for Cooling Function in Air-to-Water Heat Pump?

moHouse•7 Oct 2020 22:08

Answers: 22

Mycraft • 9 Oct 2020 09:18

Panorama three-pane wood stove from which manufacturer?

H

Heinziii•6 Oct 2020 09:12

Answers: 6

H

Heinziii • 7 Oct 2020 21:31

Underfloor heating on the first floor is no longer working.

Q

qwertzuiop•29 Sep 2020 11:02

Answers: 32

Mycraft • 7 Oct 2020 17:53

Air-to-Water Heat Pump for Single-Family Home with Basement – 150 m² Living Area

E

exto1791•28 Sep 2020 09:52

Answers: 19

E

exto1791 • 5 Oct 2020 10:57

Electric towel radiator instead of the proposed wall-mounted heating system

A

annab377•4 Oct 2020 19:43

Answers: 6

OWLer • 5 Oct 2020 07:48

Type of heating system for a newly built three-family house with approximately 350 m² of living space

I

iwkazu85•29 Sep 2020 16:36

Answers: 5

J

Joedreck • 3 Oct 2020 19:15

Ground-source heat pump with earth collectors located in a groundwater protection zone III

G

grasmücke•29 Sep 2020 23:22

Answers: 3

Y

Ybias78 • 1 Oct 2020 20:04

Is an additional heater recommended in a bathroom with underfloor heating?

D

Doc.Schnaggls•30 Jul 2013 13:22

Answers: 71

M

micric3 • 1 Oct 2020 09:39

Towel Radiators with Underfloor Heating – Do They Get Warm?

B

Baugreenhorn•21 Sep 2020 20:26

Answers: 29

Musketier • 29 Sep 2020 17:29

Replacing the Heating System in an Older Home – Gas or Air Source Heat Pump

J

Jule_Neu•27 Sep 2020 07:37

Answers: 19

T

T_im_Norden • 27 Sep 2020 20:06

Oil heating system approximately 25 years old, storage tank defective

H

hd45899•26 Jul 2020 09:01

Answers: 15

H

hd45899 • 27 Sep 2020 18:19

Is a hot water tank with an integrated heat pump a practical choice?

LordNibbler•25 Sep 2020 12:46

Answers: 1

H

hampshire • 25 Sep 2020 13:19

Towel wall heater with heat pump operating at low supply temperature (30 °C)

A

annab377•3 Aug 2020 10:23

Answers: 15

Musketier • 18 Sep 2020 14:23

Alternative to Proxon air-to-air heat pump?

N

NiciHoh•12 Aug 2019 16:21

Answers: 28

AxelH. • 17 Sep 2020 13:25

Assessment of Base Price for Combined Heat and Power Plant

M

MoiraRMH•17 Sep 2020 10:31

Answers: 1

N

nordanney • 17 Sep 2020 10:45

Location of Air-to-Water Heat Pump for a Semi-Detached House – Is It Too Close to the Neighbor?

B

Baugreenhorn•9 Sep 2020 10:15

Answers: 16

Nida35a • 16 Sep 2020 14:52

Assessment of Previous Consumption

T

Tx-25•16 Sep 2020 08:13

Answers: 6

T

Tx-25 • 16 Sep 2020 09:12

Which Heating System for Maintaining a Room Temperature of 23 °C

F

Fetzerino•14 Sep 2020 13:46

Answers: 22

D

Daniel-Sp • 15 Sep 2020 20:46

Experience with centralized exhaust ventilation systems without heat recovery

Z

zizzi•13 Jan 2018 19:26

Answers: 30

S

Swan&Weasel • 14 Sep 2020 22:27

Active cooling without individual room control

R

RoomService•2 Sep 2020 12:43

Answers: 12

R

RoomService • 8 Sep 2020 11:01