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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!

Pressure increase in cold water pipe during hot water heating

5 Stern(e)
5 Voting

2023-04-07 20:55:41

Answers: 13

Which connections are necessary for outdoor units of heat pumps?

5 Stern(e)
3 Voting

2023-03-31 12:02:20

Answers: 3

Design of underfloor heating for KFW 55 house with ventilation system

4.5 Stern(e)
8 Voting

2023-02-17 16:29:34

Answers: 47

Is the Vitodens 200-W sufficient for underfloor heating?

4.5 Stern(e)
5 Voting

2023-03-27 13:36:31

Answers: 17

Is an energy-efficient house with a heat pump, photovoltaic system, and water-carrying fireplace sensible?

4.5 Stern(e)
5 Voting

2023-03-27 20:20:25

Answers: 6

Upgrading network interface heat pump

4.5 Stern(e)
4 Voting

2023-03-26 10:39:39

Answers: 0

Stove from the 80s - remove or keep it?

4.5 Stern(e)
4 Voting

2023-03-23 14:26:16

Answers: 1

Novelan heat pump error 704 hot gas fault

4.5 Stern(e)
3 Voting

2022-12-17 08:47:40

Answers: 23

Lowering the supply temperature in underfloor heating more complex than expected?

4.5 Stern(e)
7 Voting

2023-03-09 22:07:27

Answers: 70

Functional heating execution & responsibility?

4.5 Stern(e)
3 Voting

2023-02-22 08:42:38

Answers: 6

Alpha Innotec heat pump failure

4.5 Stern(e)
6 Voting

2021-12-04 16:33:01

Answers: 23

Heat pump for KfW55 house 148 sqm

4.5 Stern(e)
7 Voting

2022-11-13 11:27:30

Answers: 99

Control room thermostat via Wi-Fi?

5 Stern(e)
4 Voting

2023-03-01 19:05:39

Answers: 0

Fireplace and horizontal installation of the chimney pipe

4.5 Stern(e)
7 Voting

2023-02-27 11:05:20

Answers: 7

Install underfloor heating IN wood?

5 Stern(e)
4 Voting

2023-02-26 11:52:54

Answers: 1

Old building: Retrofit underfloor heating on the upper floor?

5 Stern(e)
4 Voting

2023-02-12 16:28:32

Answers: 14

Heat pump directly next to the bedroom window

4.5 Stern(e)
3 Voting

2023-01-18 13:10:54

Answers: 13

Core Renovation Heat Pump: Viessmann vs. Samsung vs.?

4 Stern(e)
5 Voting

2023-02-09 15:42:05

Answers: 6

Hybrid heating: Is a heat pump with a gas condensing boiler sensible in old buildings?

4.5 Stern(e)
5 Voting

2022-03-19 08:25:20

Answers: 26

New building with heat pump, experiences?

4.5 Stern(e)
7 Voting

2023-02-06 11:31:30

Answers: 7

Gas heating from 1.1.2024 - What to do if the heating is defective?

5 Stern(e)
7 Voting

2023-01-21 11:21:51

Answers: 29

Individual room control with air-water heat pump and underfloor heating

4.5 Stern(e)
6 Voting

2023-01-31 20:20:47

Answers: 20

Building Energy Act 2023 - Heating outside the thermal envelope

4.5 Stern(e)
4 Voting

2023-02-01 15:39:33

Answers: 4

1483€ per kWp | CanadianSolar 11.48 kWp and SMA inverters

5 Stern(e)
5 Voting

2023-01-16 14:34:18

Answers: 47

Evaluation of gas/condensing offer including solar thermal

5 Stern(e)
4 Voting

2020-05-16 14:09:39

Answers: 7

District chimney sweep refuses to clean the interior

5 Stern(e)
4 Voting

2023-01-19 07:34:40

Answers: 7

Air conditioner / Instantaneous water heater as heating

5 Stern(e)
4 Voting

2023-01-18 13:21:03

Answers: 11

Is underfloor heating possible with a "pool" heat pump?

4 Stern(e)
4 Voting

2023-01-19 13:51:07

Answers: 3

Decommissioning gas heating: What alternative heating systems?

4.5 Stern(e)
3 Voting

2023-01-16 21:22:47

Answers: 11

Heating for a small old building approx. 80 sqm and low ceiling height

4.5 Stern(e)
6 Voting

2023-01-16 08:59:49

Answers: 3

Can you operate a wood stove with water heating without a heating system?

4.5 Stern(e)
6 Voting

2023-01-14 11:54:59

Answers: 5

Logamax GB112-24 replacement for energy saving?

4.5 Stern(e)
4 Voting

2023-01-13 22:19:23

Answers: 0

Vitodens 100 - Brainstorming for replacing a defective heater

4.5 Stern(e)
5 Voting

2023-01-05 22:35:44

Answers: 10

Flow setting floor heating at the distribution box l/min

4.5 Stern(e)
3 Voting

2022-12-27 12:53:11

Answers: 21

District heating connection - questions/assessments

5 Stern(e)
3 Voting

2021-05-04 14:28:32

Answers: 11

Modernize a house with night storage heaters, what are the options?

5 Stern(e)
4 Voting

2022-12-18 13:04:16

Answers: 9

Heat pump efficiency at -12 degrees?

4.5 Stern(e)
5 Voting

2022-12-17 23:55:46

Answers: 8

MHG EcoStar 500 Night Reduction

4.5 Stern(e)
3 Voting

2022-12-18 07:38:06

Answers: 0

Electricity consumption heat pump experiences?

5 Stern(e)
9 Voting

2022-12-13 21:49:15

Answers: 22

Underfloor heating suddenly completely without flow

4.5 Stern(e)
3 Voting

2022-12-13 16:40:12

Answers: 1

Interpretation of iDM heat pump regarding COP

4.5 Stern(e)
5 Voting

2022-08-26 11:21:08

Answers: 32

Fresh air heating vs. air-to-water heat pump indoor installation, alternatives??

4.5 Stern(e)
3 Voting

2022-03-21 12:31:27

Answers: 10

What are the options for air conditioning in a new building with many glass facades?

4 Stern(e)
5 Voting

2022-12-04 13:50:56

Answers: 7

New heat pump for old buildings without renovation

5 Stern(e)
4 Voting

2022-11-03 15:11:38

Answers: 32

Is a multisplit air conditioner suitable for heating?

4.5 Stern(e)
8 Voting

2022-03-19 22:46:15

Answers: 72

Heat pump generates audible structure-borne noise (with photos of the system)

4.5 Stern(e)
11 Voting

2021-02-01 15:16:14

Answers: 16

Mill underfloor heating or apply new screed?

5 Stern(e)
6 Voting

2022-10-11 21:36:56

Answers: 17

Air heat pump, problems with excessive heating power

5 Stern(e)
4 Voting

2022-09-27 14:34:00

Answers: 8

Heat pump with underfloor heating and radiators?

4.5 Stern(e)
3 Voting

2022-11-21 20:21:35

Answers: 2

Sounds, noise of heating - ventilation?

4.5 Stern(e)
4 Voting

2022-11-14 07:28:53

Answers: 9

Heat pump produces more heat at colder temperatures

4.5 Stern(e)
5 Voting

2022-11-19 20:54:51

Answers: 8

Heat pump in a partially renovated old building experiences

4.5 Stern(e)
5 Voting

2022-11-19 16:32:05

Answers: 2

Save gas or shop cheaply?

4.5 Stern(e)
5 Voting

2022-09-29 00:31:13

Answers: 19

Air heat pump electricity price increased as of January 1, 2022

4.5 Stern(e)
5 Voting

2022-11-18 06:08:40

Answers: 39

Tecalor 8.5 Air-Water Heat Pump: Warm water - not hot in the morning

4.5 Stern(e)
6 Voting

2022-11-14 07:58:54

Answers: 21

Gas price brake new construction: How to determine the previous year's period?

4.5 Stern(e)
5 Voting

2022-11-03 09:37:47

Answers: 6

Settings on the underfloor heating when it does not work

4.5 Stern(e)
3 Voting

2022-11-11 09:10:32

Answers: 5

SCHRAG Satellite TV 15 S - Small flame and no heat - Oil heating

5 Stern(e)
5 Voting

2022-11-09 13:35:37

Answers: 1

Base consumption district heating heat exchanger

5 Stern(e)
4 Voting

2022-11-08 20:43:36

Answers: 18

Underfloor heating - which option is best for the perfect project?

5 Stern(e)
4 Voting

2022-10-31 18:58:49

Answers: 6

Choice of heating for old building renovation with low ceiling

4.5 Stern(e)
6 Voting

2022-11-01 11:04:12

Answers: 5

Thin copper pipe next to the fireplace cut, house from the 60s

5 Stern(e)
6 Voting

2022-10-22 21:46:04

Answers: 2

Buy a wood stove quickly now?

4.5 Stern(e)
3 Voting

2022-10-20 09:27:02

Answers: 34

Emergency power supply for oil central heating

5 Stern(e)
4 Voting

2022-10-11 18:53:04

Answers: 21

Dimplex heat pump settings

4 Stern(e)
5 Voting

2022-10-11 12:52:59

Answers: 8

Billing of self-produced electricity for underfloor heating

4.5 Stern(e)
6 Voting

2022-10-14 13:25:14

Answers: 12

Air-to-water heat pump sizing in new construction

5 Stern(e)
11 Voting

2020-08-06 11:45:28

Answers: 311

Massive absorber - Why is this technique not further pursued?

4.5 Stern(e)
4 Voting

2022-10-13 19:44:11

Answers: 1

Air in wall heating - How to stop it sustainably?

4.5 Stern(e)
4 Voting

2021-11-24 21:34:21

Answers: 7

Replace oil heating with heat pump or pellet heating? Alternatives?

4.5 Stern(e)
6 Voting

2022-10-09 10:57:36

Answers: 11

Connecting 2 stoves to 1 chimney - Install stove pipe inside the room?

4.5 Stern(e)
4 Voting

2022-10-07 11:18:56

Answers: 8

Heating, something is wrong here. Hallway always 22°..

4.5 Stern(e)
9 Voting

2022-10-06 08:21:32

Answers: 27

Gas price increase, the second episode

4.5 Stern(e)
6 Voting

2021-12-08 23:32:40

Answers: 94

Gas prices - Where is gas still affordable?

5 Stern(e)
19 Voting

2022-07-14 09:22:14

Answers: 519

Heating curve: boiler and/or mixer?

4.5 Stern(e)
4 Voting

2022-09-29 11:41:42

Answers: 2

Heating 2 bathrooms each 3.5 m² - General heating question

4.5 Stern(e)
3 Voting

2022-09-26 16:21:54

Answers: 7

Underfloor heating flow meter brown, why?

5 Stern(e)
5 Voting

2022-09-25 21:05:19

Answers: 1

Decentralized ventilation system with or without heat recovery

5 Stern(e)
6 Voting

2022-09-27 12:18:42

Answers: 6

Retrofit chimney and connect stove pipe on the first floor

4.5 Stern(e)
5 Voting

2022-09-24 13:29:11

Answers: 10

Replacement for heating control AUTOMIX 3000

5 Stern(e)
4 Voting

2022-09-24 15:50:55

Answers: 0

Hello, are there other pipe connections available at Grundfos?

5 Stern(e)
4 Voting

2022-09-22 13:18:13

Answers: 4

Is night setback sensible? - Experiences?

4.5 Stern(e)
7 Voting

2022-09-17 21:12:51

Answers: 20

Adjusting an infrared heater problems

4.5 Stern(e)
5 Voting

2022-09-21 19:40:47

Answers: 3

Operate radiators with a 35 °C flow temperature

5 Stern(e)
8 Voting

2020-12-27 19:42:04

Answers: 7

Save gas - optimize control?

4.5 Stern(e)
8 Voting

2022-06-24 09:20:50

Answers: 32

4.5 Stern(e)
4 Voting

2022-09-09 19:27:31

Answers: 2

Newly built apartment (KfW-55) cannot be cooled, always at least 25 °

5 Stern(e)
11 Voting

2022-08-21 08:52:56

Answers: 93

Total energy demand of a new building

4.5 Stern(e)
5 Voting

2022-09-06 20:38:21

Answers: 2

Heat pump or solar thermal with radiators

4.5 Stern(e)
7 Voting

2022-08-28 16:58:37

Answers: 36

Underfloor heating leaking? Is moisture rising up the wall?

5 Stern(e)
3 Voting

2022-08-28 11:43:44

Answers: 12

Looking for a cooling solution. Underfloor cooling?

4.5 Stern(e)
5 Voting

2022-08-27 11:02:49

Answers: 10

Retrofitting Schwörerhaus with water heating / underfloor heating

4.5 Stern(e)
3 Voting

2022-08-28 23:10:57

Answers: 1

Replace sacrificial anode in the water heater tank

5 Stern(e)
4 Voting

2022-08-25 08:36:18

Answers: 1

Can a geothermal basket precondition the air for controlled residential ventilation?

5 Stern(e)
4 Voting

2022-08-22 18:14:17

Answers: 26

Installing a tunnel chimney in a load-bearing wall? Distance regulations?

4.5 Stern(e)
4 Voting

2022-08-21 11:56:02

Answers: 7

Exchange oil heating for heat pump with underfloor heating and wood heating

4.5 Stern(e)
5 Voting

2022-06-02 13:21:07

Answers: 9

Heat pump not available, house construction stalled

5 Stern(e)
4 Voting

2022-08-04 16:06:24

Answers: 16

Tiled stove in combination with air-to-water heat pump experiences?

5 Stern(e)
3 Voting

2022-08-12 21:06:49

Answers: 13

Environmental heat: how effective is it to properly warm the house?

5 Stern(e)
5 Voting

2022-08-13 15:48:15

Answers: 14

Air-water heat pump - Monoblock or split unit? SCOP / COP

4 Stern(e)
5 Voting

2022-07-13 17:08:12

Answers: 7

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