ᐅ Heating / Air Conditioning

Decision KfW55 vs. KfW40 plus

4.5 Stern(e)
8 Voting

2019-12-01 23:44:37

Answers: 22

Is humidity in new buildings harmful to health?

4.5 Stern(e)
6 Voting

2019-12-01 23:21:35

Answers: 9

Optimization of the installation location of an air-to-water heat pump

4 Stern(e)
7 Voting

2019-12-12 12:10:59

Answers: 8

Determine stroke control valves for underfloor heating

4.5 Stern(e)
5 Voting

2019-12-11 22:10:12

Answers: 1

Gas heating or heat pump air (Mitsubishi?) or groundwater

5 Stern(e)
6 Voting

2019-12-06 09:58:24

Answers: 16

Connecting control strip to thermostat

4.5 Stern(e)
4 Voting

2019-12-10 14:09:44

Answers: 0

Heating in the kitchen "necessary"?

4.5 Stern(e)
5 Voting

2019-12-09 07:14:28

Answers: 35

Planning of a particularly energy-efficient house

4.5 Stern(e)
6 Voting

2019-12-06 18:30:40

Answers: 36

Problem heat pump - supply cold, no hot water: system limit

4.5 Stern(e)
5 Voting

2019-12-09 10:08:36

Answers: 4

Heat pump - Domestic hot water preparation

4.5 Stern(e)
7 Voting

2019-11-28 07:41:58

Answers: 14

Wood-burning stove in new construction - What to pay attention to?

4 Stern(e)
5 Voting

2019-12-01 22:42:01

Answers: 23

Rough construction measurement for the door to the HAR

4 Stern(e)
6 Voting

2019-11-29 17:29:48

Answers: 9

Fuel cell or operating costs, photovoltaics and solar thermal?

4.5 Stern(e)
4 Voting

2019-06-05 08:51:40

Answers: 21

Heating offer comparison - Please share your experiences

4 Stern(e)
17 Voting

2019-09-11 10:09:00

Answers: 49

Experience KFW 55 House LWZ 504 Leistung

4.5 Stern(e)
5 Voting

2019-11-22 00:18:23

Answers: 5

Air-Water Heat Pump Viessmann Vitocol 200A

4.5 Stern(e)
4 Voting

2019-11-07 19:57:24

Answers: 1

Feedback on heat pump / offer requested!

4.5 Stern(e)
10 Voting

2019-08-30 11:53:55

Answers: 46

Is the district heating consumption at KW 55 house too high?

4 Stern(e)
11 Voting

2019-11-21 15:55:18

Answers: 19

A circulation pump for hot water. Yes or No?

4 Stern(e)
26 Voting

2019-11-07 12:27:01

Answers: 41

Alternative to storage ovens, replacement storage ovens

4 Stern(e)
5 Voting

2019-11-18 11:28:18

Answers: 8

Mixer is not receiving a signal to open

5 Stern(e)
5 Voting

2019-11-17 15:58:05

Answers: 2

Manufacturer heating / controlled indoor ventilation wanted

4 Stern(e)
5 Voting

2019-11-16 13:56:25

Answers: 10

Plan and prepare decentralized controlled residential ventilation

4 Stern(e)
9 Voting

2019-08-10 21:42:50

Answers: 10

The children's room is too warm in the new building.

4 Stern(e)
10 Voting

2019-11-01 21:59:22

Answers: 72

Exhaust air heat pump (F750) with solar thermal (heating + hot water) or brine heat pump

4.5 Stern(e)
6 Voting

2019-06-18 11:09:23

Answers: 11

Natural gas consumption, gas condensing boiler, OK? Where is the greatest potential for optimization?

4.5 Stern(e)
3 Voting

2019-11-11 20:27:14

Answers: 4

Calculation of gas consumption based on condensate drainage

4 Stern(e)
5 Voting

2019-11-10 09:54:57

Answers: 3

Do Oventrop press fittings and pipes have to be from the same brand?

5 Stern(e)
3 Voting

2019-11-09 17:30:14

Answers: 0

Setting of the ventilation system - special case

4.5 Stern(e)
3 Voting

2019-11-07 13:40:00

Answers: 10

Fireplace, inside or outside?

4.5 Stern(e)
5 Voting

2019-10-29 22:44:19

Answers: 12

Extremely high heating costs with underfloor heating. Incorrect setting?

4.5 Stern(e)
5 Voting

2019-11-01 11:54:27

Answers: 13

Should the underfloor heating controller be kept permanently open? A question of understanding

4.5 Stern(e)
4 Voting

2019-11-01 01:46:57

Answers: 6

Discolorations flow rate regulators

4 Stern(e)
7 Voting

2019-10-31 09:43:17

Answers: 7

Installation of a chimney on an exterior wall with 50 cm bricks

4.5 Stern(e)
5 Voting

2019-10-28 22:20:55

Answers: 7

Increased supply temperature in underfloor heating during ventilation

4 Stern(e)
8 Voting

2019-10-28 21:10:49

Answers: 7

Heat pump measurement values for study

4.5 Stern(e)
5 Voting

2019-10-24 11:38:30

Answers: 2

District heating or zero-energy house

4.5 Stern(e)
6 Voting

2019-10-20 20:03:34

Answers: 4

Wood stove: more kW or storage stones?

5 Stern(e)
4 Voting

2019-10-20 12:19:43

Answers: 4

Water ingress through the chimney

4.5 Stern(e)
3 Voting

2019-10-19 16:46:34

Answers: 1

Question about heat exchangers of a fresh water system

4.5 Stern(e)
4 Voting

2019-10-10 09:51:15

Answers: 0

New heating system with hot water preparation?!

4.5 Stern(e)
6 Voting

2019-10-07 08:12:09

Answers: 20

Wooden floorboards with underfloor heating?

4.5 Stern(e)
3 Voting

2019-09-29 10:12:22

Answers: 7

How often is it normal to fill the heating circuit in a new building with underfloor heating?

4 Stern(e)
12 Voting

2019-09-18 10:53:14

Answers: 18

Conversion of a gas boiler in the former utility room

4 Stern(e)
7 Voting

2019-09-27 09:29:21

Answers: 2

Install a new oil heating system now?

4 Stern(e)
16 Voting

2019-09-24 14:24:35

Answers: 24

Underfloor heating: Length of heating circuits

4 Stern(e)
10 Voting

2019-09-11 11:44:21

Answers: 6

Oil heating questions - odor and mechanical lever

4.5 Stern(e)
5 Voting

2019-09-19 09:15:28

Answers: 4

Timber frame construction and gas condensing boiler or air-to-water heat pump?

4 Stern(e)
6 Voting

2019-09-15 19:58:02

Answers: 5

Experience with geothermal trench collectors

4 Stern(e)
5 Voting

2019-09-18 13:10:34

Answers: 0

Is the operation of solar thermal energy with heating support correct?

4 Stern(e)
6 Voting

2019-09-12 18:27:50

Answers: 0

Is underfloor heating 14x2 PEXc still up-to-date? ERR?

4 Stern(e)
7 Voting

2019-09-10 18:58:29

Answers: 2

Is the cloud solution also sensible alongside a power storage system?

5 Stern(e)
4 Voting

2019-08-28 16:09:07

Answers: 7

Underfloor heating or floor warming

4 Stern(e)
5 Voting

2019-09-05 13:32:57

Answers: 13

Electric cartridge for towel radiators

5 Stern(e)
4 Voting

2019-09-06 10:52:20

Answers: 5

Is a wood stove just a plaything with underfloor heating?

4 Stern(e)
10 Voting

2019-08-28 17:26:45

Answers: 19

Heating for old buildings (previously only wood single stoves)

4.5 Stern(e)
3 Voting

2019-09-02 14:18:14

Answers: 9

Electricity costs for an air heat exchanger?

4.5 Stern(e)
4 Voting

2019-08-27 13:35:19

Answers: 15

Experience, running costs Rotex HPSU Comptact 308

4 Stern(e)
9 Voting

2019-05-14 15:53:08

Answers: 4

Oven supply air through the cellar ceiling

4.5 Stern(e)
3 Voting

2019-08-18 21:02:05

Answers: 2

Which heating system is suitable for a garden house (used as a fitness house)?

4 Stern(e)
3 Voting

2019-08-14 20:12:55

Answers: 6

Solar thermal hot water and heating - yes or no

4 Stern(e)
6 Voting

2019-08-13 17:58:06

Answers: 4

Operation of a 230V heat pump in Germany?

4.5 Stern(e)
5 Voting

2019-08-05 14:51:48

Answers: 7

Drain heat pump condensate in case of poor soil

4 Stern(e)
6 Voting

2019-08-05 09:11:47

Answers: 3

What measures are needed in a 1960s terraced house for a heat pump?

4 Stern(e)
7 Voting

2019-07-31 21:18:04

Answers: 5

How does my heating system with solar thermal work?

5 Stern(e)
5 Voting

2017-11-29 20:57:17

Answers: 42

And? Are you sweating? We are not! :P

4.5 Stern(e)
8 Voting

2019-07-25 12:08:56

Answers: 67

Is my central controlled residential ventilation working correctly?

4.5 Stern(e)
3 Voting

2019-07-26 09:55:15

Answers: 8

Geothermal energy or air heat, experiences?

4 Stern(e)
8 Voting

2019-07-21 22:22:47

Answers: 7

Underfloor heating distance, missing spot, and bathtub

4 Stern(e)
9 Voting

2019-06-23 14:39:30

Answers: 26

Pungent smell from heating circuit distributor

5 Stern(e)
3 Voting

2019-07-16 11:26:28

Answers: 7

It takes a long time for hot water to come

4 Stern(e)
17 Voting

2019-06-17 20:48:50

Answers: 27

Warm / not cold floor - underfloor heating?

4.5 Stern(e)
5 Voting

2019-07-01 13:54:26

Answers: 10

Town & Country - Rotex Heat Pump

4.5 Stern(e)
5 Voting

2018-08-14 00:25:38

Answers: 12

Which heating system for the 200 sqm new building?

4 Stern(e)
14 Voting

2019-06-24 22:26:26

Answers: 54

Create a wall breakthrough for pipes of a monoblock air-water heat pump

4.5 Stern(e)
5 Voting

2019-04-21 11:30:26

Answers: 5

Heating defective due to ammonia from the channel

5 Stern(e)
4 Voting

2019-06-17 12:23:04

Answers: 15

Does it make sense to install an air conditioner?

4 Stern(e)
11 Voting

2019-06-17 23:51:59

Answers: 31

Cooling via underfloor heating - is special insulation necessary?

4 Stern(e)
12 Voting

2019-06-21 04:50:31

Answers: 5

How to keep an older house cool? Location: Africa

4.5 Stern(e)
5 Voting

2019-06-21 22:20:02

Answers: 15

House bought. Termination of liquefied gas contract

4.5 Stern(e)
7 Voting

2018-12-27 14:26:55

Answers: 23

Cabinet with air-water heat pump, water storage.. Does anyone know it?

4 Stern(e)
7 Voting

2019-06-12 22:08:44

Answers: 24

KfW40 house offer with AWP and controlled residential ventilation, is it any good?

4 Stern(e)
6 Voting

2019-05-25 21:19:41

Answers: 39

Experiences with heat pumps and photovoltaics?

4 Stern(e)
5 Voting

2018-11-15 22:58:34

Answers: 39

Refill ceiling heating water - How many bars?

4 Stern(e)
5 Voting

2019-06-10 12:41:57

Answers: 1

Old building requires new heating system

5 Stern(e)
3 Voting

2019-06-08 16:19:11

Answers: 5

Cooling in summer with air-to-water heat pump, underfloor heating and/or ventilation system?

4 Stern(e)
5 Voting

2018-04-21 16:39:13

Answers: 29

Retrofit installation of split inverter air conditioner

4.5 Stern(e)
3 Voting

2019-06-04 14:49:43

Answers: 6

Gas or heat pump? Experiences / Feedback

4.5 Stern(e)
10 Voting

2019-04-24 08:41:28

Answers: 115

Single-room control with cooling function (Is underfloor heating with LWWP sensible?)

4.5 Stern(e)
7 Voting

2019-05-08 21:21:49

Answers: 7

Temperature differences in the hot water boiler between thermometer and boiler sensor

4 Stern(e)
5 Voting

2019-05-08 11:12:45

Answers: 5

Which heating system is suitable for a free planetary new build of a two-family house?

4.5 Stern(e)
5 Voting

2019-05-02 11:39:31

Answers: 1

Which heating system for a new single-family house

5 Stern(e)
5 Voting

2019-04-12 17:50:52

Answers: 18

Heat pump no longer available - legal question

4.5 Stern(e)
6 Voting

2019-04-29 11:47:55

Answers: 30

Heat pump or gas with central ventilation system with heat recovery

4 Stern(e)
5 Voting

2019-04-03 14:33:02

Answers: 16

Alternative to Weishaupt WWP LS 8 (Rotex, Kermi, ...)?

4.5 Stern(e)
4 Voting

2019-04-19 13:55:46

Answers: 11

KFW 55 - ground source heat pump - which hot water storage, etc.?

5 Stern(e)
5 Voting

2019-04-21 10:55:32

Answers: 4

Underfloor heating in an old building on a floorboard floor

4 Stern(e)
3 Voting

2019-04-18 14:18:13

Answers: 3

Remove or keep ancient radiators?

4.5 Stern(e)
3 Voting

2019-04-18 13:19:51

Answers: 5

What capacity must the heat pump have?

5 Stern(e)
3 Voting

2019-04-17 20:44:30

Answers: 6

Underfloor heating - return warmer than supply?! What to do?

4 Stern(e)
5 Voting

2019-04-13 23:32:16

Answers: 1