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

vaderle•1 Feb 2021 15:16

Answers: 16

RotorMotor • 1 Dec 2022 10:13

Mill the subfloor for underfloor heating or install a new screed?

FCBenne04•11 Oct 2022 21:36

Answers: 17

FCBenne04 • 25 Nov 2022 19:17

Air Source Heat Pump, Issues with Excessive Heating Capacity

Corini1985•27 Sep 2022 14:34

Answers: 8

Alessandro • 23 Nov 2022 08:51

Heat pump with underfloor heating and radiators?

Hausprojekt35•21 Nov 2022 20:21

Answers: 2

face26 • 22 Nov 2022 14:21

Noise and sounds from the heating and ventilation system?

Prager91•14 Nov 2022 07:28

Answers: 9

Prager91 • 22 Nov 2022 09:49

Heat pump produces more heat at colder temperatures

Manani87•19 Nov 2022 20:54

Answers: 8

Mycraft • 21 Nov 2022 18:25

Heat Pump in a Partially Renovated Older Building – Experiences

SaniererNRW123•19 Nov 2022 16:32

Answers: 2

SaniererNRW123 • 19 Nov 2022 17:15

Save gas or buy it cheaply?

gery•29 Sep 2022 00:31

Answers: 19

Aphrodithe • 18 Nov 2022 20:34

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

HilfeHilfe•18 Nov 2022 06:08

Answers: 39

i_b_n_a_n • 18 Nov 2022 20:00

Air-to-water heat pump Tecalor 8.5: Warm water – not hot in the morning

Prager91•14 Nov 2022 07:58

Answers: 21

Prager91 • 15 Nov 2022 11:16

Gas Price Brake for New Construction: How to Determine the Same Period Last Year?

Pinkiponk•3 Nov 2022 09:37

Answers: 6

xMisterDx • 14 Nov 2022 00:04

Settings for the underfloor heating when it is not working

vibias•11 Nov 2022 09:10

Answers: 5

ypg • 12 Nov 2022 21:35

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

TiKuebl•9 Nov 2022 13:35

Answers: 1

TiKuebl • 10 Nov 2022 11:49

Base consumption district heating heat exchanger

MarieHB•8 Nov 2022 20:43

Answers: 18

Patricck • 9 Nov 2022 18:55

Underfloor Heating – Which Option Is Best for Your Project?

chri_ban•31 Oct 2022 18:58

Answers: 6

SaniererNRW123 • 3 Nov 2022 08:33

Choosing a Heating System for Renovating an Older Building with Low Ceilings

pitpat123•1 Nov 2022 11:04

Answers: 5

Ysop*** • 1 Nov 2022 15:59

Thin copper pipe cut through next to the fireplace, house built in the 1960s

abrafax951•22 Oct 2022 21:46

Answers: 2

Pierre • 26 Oct 2022 09:40

Should I buy a wood stove now?

K a t j a•20 Oct 2022 09:27

Answers: 34

xMisterDx • 23 Oct 2022 19:08

Backup Power Supply for Oil-Fired Central Heating System

Pianist•11 Oct 2022 18:53

Answers: 21

Scout** • 19 Oct 2022 21:52

Dimplex Heat Pump Settings

Tobibi•11 Oct 2022 12:52

Answers: 8

Tobibi • 17 Oct 2022 10:31

Settlement of self-generated electricity for underfloor heating

Franziska B.•14 Oct 2022 13:25

Answers: 12

i_b_n_a_n • 16 Oct 2022 18:28

Sizing of Air-to-Water Heat Pumps for New Construction

Pixelsurium•6 Aug 2020 11:45

Answers: 311

RotorMotor • 14 Oct 2022 08:42

Solid Absorbers – Why Is This Technology No Longer Being Developed?

022002F•13 Oct 2022 19:44

Answers: 1

guckuck2 • 13 Oct 2022 20:15

Air in Wall Heating Systems – How to Permanently Eliminate It?

OWLer•24 Nov 2021 21:34

Answers: 7

OWLer • 12 Oct 2022 20:31

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

BenutzerPC•9 Oct 2022 10:57

Answers: 11

dertill • 11 Oct 2022 09:34

Connecting Two Stoves to One Chimney – Installing Stove Pipes Inside the Room?

Flitz86•7 Oct 2022 11:18

Answers: 8

Tolentino • 10 Oct 2022 19:12

Heating system, something isn’t working correctly here. The hallway is always at 22°C (about 72°F).

chewbacca123•6 Oct 2022 08:21

Answers: 27

chewbacca123 • 9 Oct 2022 17:21

Gas Price Increase, Part Two

ypg•8 Dec 2021 23:32

Answers: 94

LordNibbler • 4 Oct 2022 22:35

Gas Prices – Where Is Gas Still Affordable?

Reinhard84.2•14 Jul 2022 09:22

Answers: 515

dertill • 30 Sep 2022 10:55

Heating curve: Boiler and/or mixing valve?

paßkale•29 Sep 2022 11:41

Answers: 2

paßkale • 29 Sep 2022 13:21

Heating two bathrooms of 3.5 m² each – General heating question

Matzl88•26 Sep 2022 16:21

Answers: 7

netuser • 28 Sep 2022 12:35

Flow meter for underfloor heating system, brown color—why?

Corini1985•25 Sep 2022 21:05

Answers: 1

Gecko1927 • 28 Sep 2022 08:35

Decentralized ventilation system with or without heat recovery

Naintrac•27 Sep 2022 12:18

Answers: 6

SaniererNRW123 • 27 Sep 2022 23:27

Retrofitting a chimney and connecting a stove pipe on the first floor

Blaustift•24 Sep 2022 13:29

Answers: 10

QQSTSolar • 26 Sep 2022 20:59

Replacement for heating control system AUTOMIX 3000

wroderich•24 Sep 2022 15:50

Answers: 0

wroderich • 24 Sep 2022 15:50

Hello, does Grundfos also offer other types of pipe connections?

Sonja2•22 Sep 2022 13:18

Answers: 4

Gartenfreund • 23 Sep 2022 01:56

Is night setback heating control useful? – Experiences?

In der Ruine•17 Sep 2022 21:12

Answers: 20

Gecko1927 • 22 Sep 2022 23:46

Installing an Infrared Heater – Issues

Manfredküh•21 Sep 2022 19:40

Answers: 3

driver55 • 22 Sep 2022 07:41

Operate radiators with a supply temperature of 35 °C

Hausbaer•27 Dec 2020 19:42

Answers: 7

Joedreck • 20 Sep 2022 17:29

Saving Gas – Optimizing Your Control System?

fach1werk•24 Jun 2022 09:20

Answers: 32

fach1werk • 20 Sep 2022 17:12

Sealing plugs or similar devices used to close condensate drains

bauenmk2020•9 Sep 2022 19:27

Answers: 2

driver55 • 10 Sep 2022 11:34

Newly built apartment (KfW-55 standard) cannot be cooled below at least 25 °C.

Forsberg21•21 Aug 2022 08:52

Answers: 93

Georgian2019 • 9 Sep 2022 22:15

Total Energy Demand of a New Building

klausdieter73•6 Sep 2022 20:38

Answers: 2

SaniererNRW123 • 9 Sep 2022 09:10

Heat pump or solar thermal system with radiators

sven_de•28 Aug 2022 16:58

Answers: 36

ypg • 1 Sep 2022 19:37

Underfloor heating leaking? Is moisture rising up the wall?

TrompetenTom•28 Aug 2022 11:43

Answers: 12

driver55 • 29 Aug 2022 11:08

Looking for a cooling solution. Underfloor cooling?

WilderSueden•27 Aug 2022 11:02

Answers: 10

WilderSueden • 29 Aug 2022 10:59

Retrofitting a Schwörer House with a Hydronic Heating System / Underfloor Heating

don.key•28 Aug 2022 23:10

Answers: 1

SaniererNRW123 • 28 Aug 2022 23:27

Replacing the Sacrificial Anode in a Domestic Hot Water Storage Tank

chris_im_tal•25 Aug 2022 08:36

Answers: 1

Nutshell • 26 Aug 2022 22:58

Using a geothermal basket to precondition the air for a mechanical ventilation with heat recovery system?

Nixwill2•22 Aug 2022 18:14

Answers: 26

Nixwill2 • 23 Aug 2022 17:31

Installing a Through-Wall Fireplace in a Load-Bearing Wall? Clearance Requirements?

Blaustift•21 Aug 2022 11:56

Answers: 7

SaniererNRW123 • 21 Aug 2022 23:37

Replacement of Oil Heating System with Heat Pump, Underfloor Heating, and Wood Boiler

Ebedi22•2 Jun 2022 13:21

Answers: 9

SaniererNRW123 • 21 Aug 2022 12:55

Heat pump unavailable, house construction delayed

Bauherrlein•4 Aug 2022 16:06

Answers: 16

Fuchur • 20 Aug 2022 10:32

Experiences with a masonry heater combined with an air-to-water heat pump?

cryptoki•12 Aug 2022 21:06

Answers: 13

Neubau2022 • 18 Aug 2022 15:02

Environmental heat: how effective is it for properly heating a house?

tollpatsch•13 Aug 2022 15:48

Answers: 14

Energieverbrat • 18 Aug 2022 09:58

Air-to-Water Heat Pump – Monoblock or Split System? SCOP / COP

schaaaf•13 Jul 2022 17:08

Answers: 7

Energieverbrat • 18 Aug 2022 09:37

Heat pump roof penetration for air - a neat solution?

Araknis•16 Aug 2022 22:22

Answers: 2

Araknis • 17 Aug 2022 01:58

Modernizing a Danfoss Underfloor Heating System from 2019 for a Smart Home

Thorben81•13 Aug 2022 21:04

Answers: 0

Thorben81 • 13 Aug 2022 21:04

Lowering the Hot Water Temperature in a Single-Family Home

In der Ruine•8 Aug 2022 09:43

Answers: 12

fach1werk • 12 Aug 2022 22:31

Hydrogeological Report – Geothermal Energy, Air-to-Water Heat Pump, or Ice Storage?

FCBenne04•13 Jul 2022 17:36

Answers: 26

akanezumi • 10 Aug 2022 12:32

Heat Pump Panasonic Aquarea System Design for Two Buildings

Vwgolfcabrio•9 Aug 2022 15:55

Answers: 9

driver55 • 10 Aug 2022 11:59

Decision to install a heat pump

Lukas45362•7 Aug 2022 16:20

Answers: 29

SaniererNRW123 • 9 Aug 2022 23:03

How to Prepare for a Power Outage in Winter?

Pianist•9 Aug 2022 10:20

Answers: 33

Pianist • 9 Aug 2022 21:34

Offer validation for air source heat pump in a 155 m² semi-detached house built in 1982

Bakero99•8 Aug 2022 12:29

Answers: 5

SaniererNRW123 • 8 Aug 2022 22:40

Heat loss per meter in district heating pipelines—can it also be expressed as a percentage?

Vwgolfcabrio•8 Aug 2022 13:29

Answers: 15

Vwgolfcabrio • 8 Aug 2022 17:11

Conversion from Gas Boiler to Heat Pump

Vwgolfcabrio•1 Aug 2022 16:12

Answers: 35

Joedreck • 8 Aug 2022 15:56

Not Removing the Oil Heating System After All?

Application•7 Aug 2022 11:12

Answers: 9

xMisterDx • 8 Aug 2022 13:05

Which type of thermostat is best for controlling the IFR heating system?

JayDeeX•5 Aug 2022 22:04

Answers: 0

JayDeeX • 5 Aug 2022 22:04

€30,000 for an air-to-water heat pump?

Arguss123•2 Aug 2022 10:39

Answers: 16

HilfeHilfe • 3 Aug 2022 07:15

Should we stick with the standard supply or lock in a fixed price for the winter period?

HausbauBW12•1 Aug 2022 17:35

Answers: 10

Joedreck • 2 Aug 2022 17:05

Operating a Gas Heating System and an Oil Heating System in Parallel

sebikiel•1 Aug 2022 21:07

Answers: 4

Joedreck • 2 Aug 2022 05:38

How Much Space Is Needed for a Geothermal Borehole?

ateliersiegel•1 Aug 2022 14:48

Answers: 11

driver55 • 1 Aug 2022 20:35

Installing a wood stove in a semi-detached house against the shared dividing wall

HilfeHilfe•30 Jul 2022 09:35

Answers: 6

ateliersiegel • 30 Jul 2022 13:04

Programmable thermostat for Ditech/radiant floor heating system

djathlon•25 Jul 2022 14:08

Answers: 1

djathlon • 25 Jul 2022 19:28

Who provides independent and professional installation planning?

karl.jonas•25 Jul 2022 14:44

Answers: 5

WilderSueden • 25 Jul 2022 15:41

Heat Pump Combined with Home Climate Control

gregman22•8 Jul 2022 11:26

Answers: 29

Snowy36 • 25 Jul 2022 10:11

Replacing an oil heating system in a house from the 1960s?

Tobibi•21 Jul 2022 12:58

Answers: 24

Joedreck • 24 Jul 2022 19:17

Replacing a Gas Heating System with a Heat Pump in an Existing Property

tOkra1984•21 Jul 2022 10:50

Answers: 4

tOkra1984 • 22 Jul 2022 09:56

Oil Heating versus Electric Infrared Panels

altoderneu•19 Jul 2022 12:05

Answers: 6

KingJulien • 20 Jul 2022 10:19

Is the hot water storage tank for an air-to-water heat pump too small?

NilsHolgersson•11 Jul 2022 23:11

Answers: 3

Grundaus • 12 Jul 2022 07:46

Disadvantage of turning off an oil heating system

jessi7755•6 Jul 2022 10:28

Answers: 7

Fummelbrett! • 7 Jul 2022 11:10

Cost of an Air Source Heat Pump: $19,000 – Request for Price Estimate

NBN2022•4 Jul 2022 22:29

Answers: 11

driver55 • 6 Jul 2022 21:41

Replacing an Old Heating System with a Heat Pump or Gas Boiler Combined with a Domestic Hot Water Heat Pump

GePrest•5 May 2022 10:01

Answers: 58

Deliverer • 5 Jul 2022 17:31

Wall and Ceiling Heating: Advantages and Disadvantages of Manufacturers and Systems

Nina10405•27 Jun 2022 17:59

Answers: 1

Deliverer • 27 Jun 2022 22:23

Is it absolutely necessary to have the gas supply line for the heating system inspected during a renovation?

ostseekind•27 Jun 2022 20:34

Answers: 0

ostseekind • 27 Jun 2022 20:34

Changing the heating system after submitting the building permit application or during the construction phase

Maddin086•25 Jun 2022 11:55

Answers: 9

WilderSueden • 26 Jun 2022 13:59

Simple Design of Heating Systems with Heat Pumps

Havanna86•21 Jun 2022 11:07

Answers: 6

Deliverer • 24 Jun 2022 16:57

Air Conditioning During the Renovation of an Older Building?

BinDerDenis•19 Jun 2022 18:19

Answers: 11

BinDerDenis • 21 Jun 2022 19:35

Heating System Upgrade for Existing Buildings – Condensing Boiler / Air-to-Water Heat Pump / Air Source Heat Pump

Chrizz72•9 Apr 2022 10:12

Answers: 25

LeonBerentSter • 21 Jun 2022 10:49

Heat Pump Experiences – Your Assessment?

BungaSeppel•11 Jun 2022 11:25

Answers: 20

Deliverer • 20 Jun 2022 21:19

How to Drain Heating Oil from a Tank?

Heidi1965•19 Jun 2022 16:29

Answers: 3

PhiIipp • 19 Jun 2022 21:57

Urgently looking for a high-quality building envelope for an efficient heat pump

JaiBee07•17 Jun 2022 09:22

Answers: 7

Tolentino • 17 Jun 2022 10:56

Is it possible for a chimney flue to warp?

JaiBee07•11 Jun 2022 12:40

Answers: 3

JaiBee07 • 16 Jun 2022 22:15

Liquefied Petroleum Gas (LPG) to Natural Gas Conversion or Direct Heat Pump Installation? Experiences

ruediger42•15 Jun 2022 11:31

Answers: 6

Deliverer • 15 Jun 2022 16:18

Warmest Room: Bedroom (North Side)?

Abzug86•13 Jun 2022 20:01

Answers: 4

i_b_n_a_n • 14 Jun 2022 07:40

Planning Underfloor Heating with Heat Pump – Request for Guidance

theundertaker•2 Jun 2022 19:37

Answers: 4

Ebedi22 • 9 Jun 2022 19:02

Distance between buffer tank and ground source heat pump

lars909•8 Jun 2022 16:27

Answers: 19

driver55 • 8 Jun 2022 23:38

Do radiators always need to be installed under windows in new constructions?

Rumbi441•26 May 2022 19:39

Answers: 41

dertill • 31 May 2022 13:31

Looking for a designer for a geothermal horizontal collector system

Bayerwaldler•17 May 2022 22:22

Answers: 5

k-man2021 • 26 May 2022 23:54

Air-to-water heat pump + underfloor heating + controlled ventilation with heat recovery – individually adjustable room temperatures?

HoisleBauer22•19 Apr 2022 15:09

Answers: 10

Dogma • 25 May 2022 14:07

Bedroom too warm – even with the heating turned off

Mbk84•15 Jan 2021 13:35

Answers: 44

Mycraft • 25 May 2022 09:22

ᐅ Heating / HVAC

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