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Forums
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!
Y
Your gas consumption at KFW 70/55
4.5 Stern(e)
4 Voting
2016-07-03 23:20:53
Answers
5
E
Existing property, new heating concept wanted
4 Stern(e)
3 Voting
2016-06-20 08:53:42
Answers
13
D
Dimension of hot water storage tank
4.5 Stern(e)
3 Voting
2016-06-28 08:46:54
Answers
11
F
Fireplace for KFW 55 house
4.5 Stern(e)
4 Voting
2016-06-28 00:28:18
Answers
22
C
Can underfloor heating be connected to a regular heating system?
4.5 Stern(e)
3 Voting
2016-06-25 20:58:02
Answers
1
F
Floor heating pipe length too long?
4 Stern(e)
5 Voting
2016-06-22 19:53:06
Answers
7
Q
Question about heat demand determination and flow temperature
5 Stern(e)
5 Voting
2016-05-16 17:56:14
Answers
11
E
Experiences with hot water storage Genvex Vanvex 295
4.5 Stern(e)
3 Voting
2016-06-23 22:32:37
Answers
0
D
District heating yes or no
5 Stern(e)
5 Voting
2015-03-12 15:20:42
Answers
20
W
What is this? Pump connection
4.5 Stern(e)
5 Voting
2016-06-21 20:43:20
Answers
2
F
From when does the water softener start?
4.5 Stern(e)
4 Voting
2016-06-11 21:41:37
Answers
11
B
Bartl air-water heat pump
4.5 Stern(e)
5 Voting
2016-06-10 10:42:33
Answers
3
Q
Questions about underfloor heating - new subfloor/screed/granite tiles
4.5 Stern(e)
3 Voting
2016-06-08 10:43:22
Answers
14
I
Is an air conditioner with a heat pump function worth it?
4.5 Stern(e)
4 Voting
2016-06-07 10:03:36
Answers
8
N
No floor heating experience! Previously "fast" electric floor heating! And now?
4.5 Stern(e)
4 Voting
2016-06-03 09:11:30
Answers
8
N
New mixer tap for instantaneous water heaters
4 Stern(e)
3 Voting
2016-05-24 22:52:31
Answers
2
E
Energy consulting only for heating + funding
4.5 Stern(e)
3 Voting
2016-05-31 21:07:14
Answers
1
F
Fine-tuning underfloor heating in a new building through warranty? First occupancy
4.5 Stern(e)
4 Voting
2016-05-28 09:10:04
Answers
9
W
Which heating system to choose when replacing heating after 30 years?
4.5 Stern(e)
4 Voting
2016-05-25 14:33:37
Answers
8
E
Electric heater in the bathroom next to the thermostat?
5 Stern(e)
4 Voting
2016-05-26 13:55:19
Answers
1
W
Which heating system is suitable for old buildings?
4.5 Stern(e)
4 Voting
2016-05-25 10:20:14
Answers
6
S
Salting on the chimney
4.5 Stern(e)
4 Voting
2016-04-19 16:03:41
Answers
1
H
Hot water heating with electrical connection?
5 Stern(e)
4 Voting
2016-05-16 22:15:36
Answers
15
C
Cutout for wastewater pipe
5 Stern(e)
5 Voting
2016-05-20 16:16:00
Answers
3
S
Selection of the room thermostat
5 Stern(e)
4 Voting
2016-05-17 09:35:54
Answers
3
E
Experiences with fireplace with water jacket
4.5 Stern(e)
4 Voting
2016-04-24 10:05:11
Answers
34
L
LWZ 304 sensible
4.5 Stern(e)
3 Voting
2016-05-13 21:57:56
Answers
0
W
Which heating technology is suitable if one is sensitive to noise?
4.5 Stern(e)
4 Voting
2016-04-28 21:46:08
Answers
30
W
Which heating system have you planned?
4.5 Stern(e)
4 Voting
2016-05-10 22:04:42
Answers
2
C
Compliance with the 2016 Energy Saving Ordinance with the following heating
5 Stern(e)
3 Voting
2016-01-07 09:40:06
Answers
14
H
Help - Air heat or geothermal heat?
5 Stern(e)
4 Voting
2016-05-07 10:50:53
Answers
12
G
Ground-source heat pump + electronic instantaneous water heater
4.5 Stern(e)
5 Voting
2016-05-03 18:49:43
Answers
1
G
Gas or air-water heat pump
4.5 Stern(e)
4 Voting
2016-04-03 12:26:01
Answers
3
K
KFW70 with gas condensing boiler + solar hot water + chimney
4 Stern(e)
5 Voting
2016-04-22 08:11:26
Answers
10
I
Is the heating dimensioning sufficient?
4.5 Stern(e)
4 Voting
2016-04-19 20:05:02
Answers
15
A
Air-water heat pump, mechanical ventilation with heat recovery?
5 Stern(e)
4 Voting
2016-04-14 22:25:41
Answers
17
H
Heating circuits/thermostats for living/dining/kitchen with underfloor heating/heat pump
4.5 Stern(e)
3 Voting
2016-03-26 11:42:52
Answers
35
V
Vacuum Storage Tank - Sun House
4 Stern(e)
5 Voting
2016-04-18 06:55:16
Answers
1
I
Is the cost of underfloor heating completely exaggerated?
4.5 Stern(e)
5 Voting
2016-04-11 21:38:33
Answers
44
H
Heat pump at basement light shaft - How to insulate?
4.5 Stern(e)
3 Voting
2015-11-17 23:55:29
Answers
9
F
fuel cell heating
5 Stern(e)
5 Voting
2016-04-05 17:47:38
Answers
2
V
Vitocal 300 A - over a year in use. Now a few questions..
4.5 Stern(e)
4 Voting
2016-01-18 19:13:01
Answers
23
I
Is "Smart" worth it with a slow floor heating system?
5 Stern(e)
5 Voting
2016-03-31 10:03:54
Answers
4
G
Gas condensing boiler or brine heat pump
4.5 Stern(e)
4 Voting
2016-03-25 08:56:35
Answers
7
O
Old building renovation + choice of heating system
4.5 Stern(e)
3 Voting
2016-03-16 11:50:20
Answers
5
R
Renovation of the electrical system - without opening the wooden ceiling
4.5 Stern(e)
4 Voting
2016-03-28 12:15:18
Answers
4
O
Oil heating only as condensing boilers?
4.5 Stern(e)
3 Voting
2016-03-27 20:01:30
Answers
0
B
Bleeding heating / radiators, how far do you have to unscrew the radiator?
4.5 Stern(e)
4 Voting
2008-10-02 16:02:30
Answers
3
N
New gas condensing boiler installation, solar system + hot water storage planned.
5 Stern(e)
4 Voting
2016-03-18 11:54:23
Answers
3
W
Which heating system: Vaillant, Viessmann, Buderus,... ?
4.5 Stern(e)
4 Voting
2016-02-28 13:37:37
Answers
3
G
Gas condensing boiler system + solar thermal energy
4 Stern(e)
3 Voting
2016-02-16 11:10:23
Answers
4
D
Defective water pipes in villa, which compensation
5 Stern(e)
4 Voting
2016-03-17 19:47:31
Answers
24
D
Does a storage oven and KfW40-Plus house make sense?
4.5 Stern(e)
3 Voting
2016-03-10 11:14:10
Answers
14
U
Underfloor heating vs. flat radiators
4.5 Stern(e)
3 Voting
2016-03-18 13:31:25
Answers
14
F
Fireplace builder wanted
4.5 Stern(e)
4 Voting
2016-03-17 23:38:12
Answers
1
I
Inspection by the chimney sweep for new construction - who has to pay the chimney sweep?
4.5 Stern(e)
3 Voting
2012-12-15 19:33:20
Answers
7
B
brown spots above the fireplace
4 Stern(e)
5 Voting
2016-03-10 07:52:54
Answers
10
R
Retrofit underfloor heating?
5 Stern(e)
5 Voting
2016-02-20 09:22:41
Answers
1
C
Chimney - a must from floor height?
4.5 Stern(e)
5 Voting
2016-03-16 01:07:23
Answers
7
U
Underfloor heating with aluminum composite pipe or plastic
4.5 Stern(e)
4 Voting
2016-03-04 16:17:06
Answers
6
H
Heating specialist
4.5 Stern(e)
3 Voting
2015-10-02 15:53:03
Answers
6
P
Plus energy house with hydronic pellet stove + WWWP for cooling?
4.5 Stern(e)
5 Voting
2016-02-29 23:55:16
Answers
13
V
Viessmann fuel cell / CHP system
4.5 Stern(e)
4 Voting
2016-03-01 17:02:55
Answers
3
S
Split air heat pump - tightness testing and filling
4.5 Stern(e)
4 Voting
2016-03-03 07:41:48
Answers
3
W
Water softener + filter for 80 sqm apartment, device purchase decision
4.5 Stern(e)
3 Voting
2016-02-28 11:59:03
Answers
4
D
Does my heating system have a single-pipe system?
5 Stern(e)
5 Voting
2016-02-27 22:30:36
Answers
3
C
Costs for the maintenance of the heating system
4 Stern(e)
5 Voting
2012-08-24 03:22:00
Answers
6
W
Who among you uses contracting (district heating)?
4.5 Stern(e)
5 Voting
2016-02-17 13:26:43
Answers
5
C
Calculate heating load to determine the size of the ground source heat pump
4.5 Stern(e)
3 Voting
2016-02-19 01:46:49
Answers
24
R
Renovation of a semi-detached house with gas condensing boiler heating - underfloor heating? How to heat?
5 Stern(e)
5 Voting
2016-02-19 10:23:31
Answers
2
C
Costs for heating load calculation and underfloor heating design
4.5 Stern(e)
4 Voting
2016-02-18 12:45:07
Answers
5
H
House planning final: heating components, what makes sense - no air heat pump
4.5 Stern(e)
5 Voting
2016-02-10 10:37:59
Answers
20
T
Truly independent with a passive house?
4.5 Stern(e)
3 Voting
2012-06-29 19:45:42
Answers
6
D
Dimensioning heat pump / storage
5 Stern(e)
5 Voting
2015-05-14 15:01:36
Answers
3
B
Buffer storage made of GFK/plastic vs. steel
4.5 Stern(e)
5 Voting
2016-02-15 09:26:04
Answers
1
G
Gas heating with water-carrying fireplace and solar for hot water
4.5 Stern(e)
3 Voting
2016-01-15 19:20:31
Answers
7
C
Connect two ovens to one chimney?
5 Stern(e)
4 Voting
2012-08-05 01:36:44
Answers
5
C
Comfort climate heating: pros and cons??
4.5 Stern(e)
3 Voting
2016-01-29 21:28:13
Answers
11
H
Hot water only with heat pump?
4.5 Stern(e)
4 Voting
2015-12-01 19:49:12
Answers
10
W
Which heating system would you choose for our planned new building?
4.5 Stern(e)
3 Voting
2016-01-24 11:25:17
Answers
15
H
How does the underfloor heating work?
5 Stern(e)
4 Voting
2016-01-22 16:14:05
Answers
4
G
Gas heating without solar thermal?
4 Stern(e)
5 Voting
2015-03-04 15:10:29
Answers
61
I
Is the heating oversized?
4.5 Stern(e)
3 Voting
2016-01-18 11:27:46
Answers
44
H
Heating a seldom used basement room - underfloor heating? ERR?
4.5 Stern(e)
3 Voting
2016-01-19 15:55:32
Answers
10
I
Ice heating experience???
4.5 Stern(e)
5 Voting
2016-01-20 13:06:54
Answers
1
A
Air heat pump LWZ504 or WPF10 ground heat pump
4.5 Stern(e)
3 Voting
2016-01-20 13:02:13
Answers
1
G
Geothermal energy: pros and cons?!
4.5 Stern(e)
3 Voting
2014-07-02 20:22:05
Answers
41
C
Correct calculation by the energy consultant? Why solar for heating?
4.5 Stern(e)
4 Voting
2016-01-15 19:26:47
Answers
12
I
Is a towel radiator mandatory?
5 Stern(e)
4 Voting
2016-01-13 22:23:57
Answers
38
S
Staple plate 20 or 30 mm?
4.5 Stern(e)
5 Voting
2016-01-14 15:08:20
Answers
8
C
chimney construction kit
4.5 Stern(e)
3 Voting
2016-01-15 14:47:59
Answers
8
T
The agony of choice...
4.5 Stern(e)
4 Voting
2016-01-14 22:54:49
Answers
12
R
Replace oil heating with pellet heating?
4.5 Stern(e)
4 Voting
2012-03-04 11:12:15
Answers
6
G
Geothermal heating probe noises in the apartment above - normal?
4.5 Stern(e)
5 Voting
2016-01-12 18:07:38
Answers
1
D
Disadvantages of new combined heat and power plant / local heating
4.5 Stern(e)
4 Voting
2016-01-11 14:29:57
Answers
3
A
Assessment of heating concept KfW70
4.5 Stern(e)
5 Voting
2016-01-06 17:22:52
Answers
25
K
KfW funding for gas boiler replacement? Advantages, price, independent advisor
4.5 Stern(e)
4 Voting
2016-01-07 10:59:58
Answers
0
E
Economic efficiency construction costs vs heating costs
4.5 Stern(e)
4 Voting
2015-12-21 19:16:35
Answers
23
P
Please evaluate the heating/ventilation concept for the new single-family house construction
4.5 Stern(e)
5 Voting
2015-12-31 19:32:58
Answers
49
A
Additional connection for an alternative heating system?
5 Stern(e)
4 Voting
2015-10-20 09:06:50
Answers
6
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