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Building technology
Heating / Air Conditioning
Learn how to find the optimal heating and cooling for your home – for comfortable temperatures and more energy efficiency in everyday life!
D
Dimplex SI8TU ground source heat pump - strange behavior
5 Stern(e)
3 Voting
2021-05-20 17:32:41
Answers
15
M
Manufacturer floor heating dry system
4.5 Stern(e)
4 Voting
2021-06-23 10:06:30
Answers
6
B
Brine water / Air water - Specifications for the construction area
5 Stern(e)
5 Voting
2021-06-23 07:50:28
Answers
10
N
Noticeable cooling effect in air-to-water heat pump
5 Stern(e)
6 Voting
2021-06-19 13:10:07
Answers
22
A
Air-to-air heat pump in KfW 40+ house - switch to brine-water heat pump just before building application?
4.5 Stern(e)
7 Voting
2021-04-03 12:27:34
Answers
9
C
Cooling law amendment is being promoted - experiences?
4.5 Stern(e)
6 Voting
2021-06-16 13:23:13
Answers
13
S
Separate meter and electricity tariff for air-to-water heat pump sensible?
5 Stern(e)
6 Voting
2021-06-02 08:47:34
Answers
103
H
How much does a good new heat pump cost? Looking for experiences!
4.5 Stern(e)
8 Voting
2021-02-23 09:57:18
Answers
58
P
Positioning of the ventilation system, installation of air inlets/outlets
4.5 Stern(e)
4 Voting
2021-06-10 10:31:23
Answers
0
C
Controller of underfloor heating control valves "clogged"?
5 Stern(e)
6 Voting
2021-06-08 17:04:48
Answers
10
I
Installation of heat pump/heating - before or after screed
5 Stern(e)
6 Voting
2021-06-07 08:37:26
Answers
16
I
Inside the house 10° warmer than outside - how does that happen?
5 Stern(e)
10 Voting
2021-06-05 17:44:46
Answers
40
G
Getting an air-to-water heat pump running at 24 degrees outdoor temperature
4.5 Stern(e)
5 Voting
2021-06-02 21:10:08
Answers
1
L
Local heat or air-water heat pump?
4.5 Stern(e)
4 Voting
2021-06-01 12:06:13
Answers
11
F
Flow sensor air heat pump defective
4.5 Stern(e)
5 Voting
2021-06-01 05:27:08
Answers
1
H
How much buffer storage is necessary?
4.5 Stern(e)
6 Voting
2021-05-24 15:04:36
Answers
8
N
New gas pipeline in Berlin costs €5000
5 Stern(e)
8 Voting
2021-05-23 15:43:27
Answers
20
H
Home introduction brine-water heat pump with (multiple) branches?
4.5 Stern(e)
4 Voting
2021-05-23 18:31:07
Answers
7
A
Air-water heat pump + controlled residential ventilation - (central ventilation system)
4.5 Stern(e)
8 Voting
2020-11-03 19:20:16
Answers
26
K
Kfw55 choice of heating Gas vs Air-Water Heat Pump
4.5 Stern(e)
5 Voting
2021-05-21 18:29:58
Answers
17
L
Location of the air-water heat pump outdoor unit
4.5 Stern(e)
5 Voting
2021-05-22 03:33:05
Answers
0
M
Milling underfloor heating when part of the old underfloor heating is already installed
4.5 Stern(e)
3 Voting
2021-05-20 21:40:16
Answers
0
I
Is optimization of the heating system possible after hydraulic balancing?
4.5 Stern(e)
4 Voting
2021-05-13 15:19:13
Answers
9
E
Experiences with brine heat pump
5 Stern(e)
21 Voting
2015-10-23 21:40:36
Answers
491
N
New heating system for old farmhouse! Gas vs Gas + Heat Pump vs Heat Pump
5 Stern(e)
4 Voting
2021-05-13 12:21:10
Answers
6
N
New construction - floor heating unevenly hot (Vaillant aurocompact)
4 Stern(e)
5 Voting
2021-05-06 18:24:41
Answers
12
R
Retrofitting underfloor heating district heating or electric
4.5 Stern(e)
5 Voting
2021-05-06 19:05:32
Answers
9
C
Can a shed (20m2) be equipped with heating?
4.5 Stern(e)
5 Voting
2021-03-20 04:29:48
Answers
10
S
System check new build KfW55 - Remko heat pump / 500L buffer / fresh water module
5 Stern(e)
6 Voting
2021-05-05 20:31:48
Answers
1
O
Old Heating Piping Experiences
5 Stern(e)
4 Voting
2021-04-30 09:10:55
Answers
15
A
Air-water heat pump in KFW55 house / heating load, standards?
4 Stern(e)
3 Voting
2021-05-02 23:33:04
Answers
13
E
Existing house: Heating modernization
4.5 Stern(e)
5 Voting
2021-04-29 02:21:29
Answers
4
H
Heating system replacement for existing property, year built 1993 - Offer evaluation
5 Stern(e)
4 Voting
2021-04-19 13:27:55
Answers
8
C
Comparison of groundwater / brine / air heat pump
4.5 Stern(e)
6 Voting
2021-04-17 15:38:57
Answers
27
P
Pellet-solar combination - Issue in summer?
4.5 Stern(e)
5 Voting
2021-04-15 14:41:55
Answers
18
R
Recommendation wireless thermostat for underfloor heating
5 Stern(e)
4 Voting
2021-04-12 21:47:47
Answers
2
N
New construction with a granny flat - heating question and KFW.
4.5 Stern(e)
3 Voting
2021-04-10 23:07:30
Answers
6
G
Geothermal heat pump for a small single-story single-family house
4.5 Stern(e)
7 Voting
2021-04-02 14:06:23
Answers
15
C
Circulation timer on the heater
4.5 Stern(e)
4 Voting
2021-04-06 09:11:58
Answers
29
S
Sizing of our air-to-water heat pump in KFW55 new build semi-detached house 120 sqm
4.5 Stern(e)
5 Voting
2021-04-05 22:40:32
Answers
4
W
Which type of heating system in the new building?
4.5 Stern(e)
5 Voting
2021-03-30 17:34:02
Answers
12
B
Basement underfloor heating or low-temperature radiators
5 Stern(e)
6 Voting
2021-03-04 11:11:46
Answers
22
C
Combine air-water heat pump with water-carrying wood stove
4.5 Stern(e)
5 Voting
2020-03-29 14:13:41
Answers
57
E
Experiences with IDM salt heat pump?
4 Stern(e)
5 Voting
2021-02-10 13:42:48
Answers
18
C
Controlled residential ventilation is somehow dirty and rotten
5 Stern(e)
4 Voting
2021-03-09 19:12:27
Answers
4
C
Change in case of relocation of underfloor heating
4.5 Stern(e)
6 Voting
2021-03-10 13:02:39
Answers
3
H
How to insulate the underfloor heating supply lines (to prevent overheating of the room)?
5 Stern(e)
6 Voting
2021-03-08 20:26:33
Answers
5
H
Heat pump and the scare about legionella
4.5 Stern(e)
4 Voting
2021-02-28 12:43:38
Answers
1
C
Cold local heat with ground source heat pump
5 Stern(e)
5 Voting
2021-02-25 21:16:58
Answers
46
W
Which radiators? - the second one
4 Stern(e)
4 Voting
2021-02-23 13:27:53
Answers
3
C
Combine heat pump and water-bearing fireplace
4.5 Stern(e)
8 Voting
2021-02-03 10:34:22
Answers
60
E
ERR opens actuator although it is too warm
4.5 Stern(e)
7 Voting
2021-02-19 08:16:24
Answers
9
R
Retort kettle/ hard coal
4.5 Stern(e)
5 Voting
2015-07-10 12:35:08
Answers
4
E
Ecotouch ai1 geo Ground Source Heat Pump by Waterkotte - Experiences
4.5 Stern(e)
5 Voting
2020-10-27 12:07:13
Answers
5
H
Heating optimization or heat pump?
4.5 Stern(e)
4 Voting
2021-02-16 14:10:41
Answers
4
E
Experience Arotherm plus 75/6 a 230 V S2
4.5 Stern(e)
3 Voting
2021-02-14 18:08:55
Answers
11
F
Full basement hobby and office - underfloor heating, e-radiator or infrared heating?
4.5 Stern(e)
7 Voting
2021-02-13 12:30:15
Answers
13
A
Air-to-water heat pump - your experiences (all brands) / variants, costs
5 Stern(e)
5 Voting
2021-02-12 14:02:38
Answers
7
U
Underfloor heating in the bathroom: More pipes instead of a radiator?
4.5 Stern(e)
5 Voting
2021-01-01 18:07:45
Answers
7
S
Strange behavior floor heating ESBE actuator controller 90c
5 Stern(e)
5 Voting
2021-02-08 16:27:47
Answers
4
A
Air heat pump - increase heating
4 Stern(e)
5 Voting
2021-02-05 08:39:51
Answers
11
I
Is it better to let the oil heating run empty before renovation, or rather not?
5 Stern(e)
4 Voting
2021-02-09 17:50:49
Answers
1
E
Empty buffer storage tank (heating) - Kago Econom P 600
4.5 Stern(e)
5 Voting
2021-02-07 23:54:04
Answers
3
N
Neighbor finds the air-to-water heat pump too loud
5 Stern(e)
14 Voting
2021-01-11 13:40:44
Answers
36
U
Underfloor heating - Topmeter shows no flow
4.5 Stern(e)
3 Voting
2021-02-04 19:56:48
Answers
5
P
Properly insulate copper pipe
5 Stern(e)
4 Voting
2021-02-02 11:59:27
Answers
6
T
Too warm bedroom
4.5 Stern(e)
7 Voting
2021-02-04 10:16:57
Answers
13
P
Pellet stove vs. wood stove
4 Stern(e)
3 Voting
2021-01-25 17:37:18
Answers
10
U
Underfloor heating beneath bathtub and shower
4.5 Stern(e)
6 Voting
2020-06-23 22:30:18
Answers
13
F
Floor heating circuit "deactivate" -> What is the name of this coupling/screw/cover?
4.5 Stern(e)
4 Voting
2021-01-24 18:46:00
Answers
13
H
Heating - 1 Thermostat less - same price ok?
4.5 Stern(e)
5 Voting
2021-01-29 14:22:11
Answers
7
A
Air-water heat pump from Rotex hpsu compact 516 experiences
5 Stern(e)
7 Voting
2020-12-05 09:35:49
Answers
9
A
Air-water heat pump - installation location of the split unit - maximum distance / efficiency
5 Stern(e)
6 Voting
2021-01-21 13:03:31
Answers
9
A
Air-to-water heat pump consumption at 30 kWh per day
5 Stern(e)
9 Voting
2021-01-16 16:30:34
Answers
52
S
Spontaneous improvements to underfloor heating design
4.5 Stern(e)
10 Voting
2021-01-13 14:06:17
Answers
33
H
Heating with ice, ice heating for single-family house, experience reports
4.5 Stern(e)
7 Voting
2013-08-28 20:09:41
Answers
21
C
Comparison of geothermal heat pump with LWW pump
4.5 Stern(e)
6 Voting
2020-08-08 22:33:21
Answers
86
R
Reading consumption values on Vaillant EcoCompact gas boiler
4.5 Stern(e)
3 Voting
2021-01-11 23:25:20
Answers
2
I
Is a kWh heat meter the same as a gas bill?
4.5 Stern(e)
5 Voting
2021-01-04 16:37:54
Answers
3
H
How does it get warm? Heat pump or pellets?
4.5 Stern(e)
3 Voting
2020-12-30 21:32:17
Answers
7
H
Heat the hobby room in the basement with infrared or electric heating?
5 Stern(e)
8 Voting
2018-02-17 16:21:01
Answers
15
H
Heat the screed in the shower area immediately after application
4.5 Stern(e)
6 Voting
2021-01-02 07:35:54
Answers
1
S
Sole-water heat pump with buffer tank and underfloor heating
4.5 Stern(e)
7 Voting
2020-12-31 18:55:04
Answers
4
D
Danfoss underfloor heating too warm
4.5 Stern(e)
3 Voting
2020-12-30 21:00:51
Answers
15
R
Recommendation digital heating thermostat
5 Stern(e)
8 Voting
2020-12-27 21:29:07
Answers
79
I
Installing underfloor heating by milling
4.5 Stern(e)
5 Voting
2020-12-27 17:38:12
Answers
3
N
New pump is causing problems, hissing, and the room is not heating properly
5 Stern(e)
4 Voting
2020-12-26 14:34:57
Answers
1
E
EcoAir 614M heat pump from Giersch experiences
5 Stern(e)
3 Voting
2020-12-18 16:26:57
Answers
7
T
The district heating control unit switches too frequently.
5 Stern(e)
4 Voting
2020-12-15 18:04:20
Answers
1
S
Sole heat pump mainly as a cooling solution - does that make sense?
4.5 Stern(e)
5 Voting
2020-12-14 19:26:28
Answers
6
I
Ice formation brine pipe heat pump
4.5 Stern(e)
5 Voting
2020-09-29 10:28:17
Answers
78
U
Underfloor heating heat load calculation - simply explained?
5 Stern(e)
6 Voting
2020-12-03 13:36:24
Answers
26
H
Heat pump Knv or IDM air heat pump
4.5 Stern(e)
6 Voting
2020-10-26 19:18:32
Answers
13
O
Offer from the heating installer surprising
5 Stern(e)
5 Voting
2020-12-08 19:08:54
Answers
7
T
Thermal balancing - Initial values taken for adjustment
4.5 Stern(e)
8 Voting
2020-12-03 15:04:45
Answers
33
U
Underfloor heating not adjustable
4 Stern(e)
5 Voting
2020-12-05 19:23:12
Answers
8
N
New construction KFW55 house - heating design, different statements
4.5 Stern(e)
7 Voting
2020-12-05 13:15:13
Answers
22
G
Gas with solar thermal? Or heat pump with photovoltaics? Consultation
4 Stern(e)
25 Voting
2020-02-05 08:57:29
Answers
149
H
Heat pump heating setting
4.5 Stern(e)
5 Voting
2020-12-04 12:51:45
Answers
2
S
Single-pipe heating in niches. Relocate, insulate, or renew?
4.5 Stern(e)
4 Voting
2020-12-02 10:00:14
Answers
9
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