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Tim441

@tim441

Contributor

Honorable Member

Joined: Nov 1, 2022
Last seen: Mar 1, 2026

Topics: 34 / Replies: 364

AllTopicsReplies

RE: Passiv Smart Thermostat

Main website

3 months ago

Forum

Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls

Topic

Passiv Smart Thermostat - Help & Forum Support

3 months ago

Forum

Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls

Replies: 5

RE: Predicted Heat Loss & Needs from MCS calcs vs EPC vs actual

@benson indeed!!! But at least my estimate is based on real world. However you cut it the worst case would be a COP of 2.5 and I am sure its not ove...

3 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Predicted Heat Loss & Needs from MCS calcs vs EPC vs actual

@benson i totally accept its an estimate but surely it should be closer to reality? Otherwise most people could probably do better based simply on p...

3 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Predicted Heat Loss & Needs from MCS calcs vs EPC vs actual

I'd be interested in other experiences - if you have the data. Clearly heat loss calcs and EPCs depend on quality of assessors in the first instance...

3 months ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Predicted Heat Loss from MCS calcs vs EPC vs actual

My gut feeling is that the heat pump is right sized. it does not seem to cycle It heats the house comfortably costs/usage seems reasonable - esp...

3 months ago

Forum

Air Source Heat Pumps (ASHPs)

Topic

Predicted Heat Loss & Needs from MCS calcs vs EPC vs actual

3 months ago

Forum

Air Source Heat Pumps (ASHPs)

Replies: 10

RE: RDSAP10 effect on existing heat pump EPC rating?

@mike-patrick yes, even though the current system is rubbish i got my EPCs updated in part with expectation of England adopting the new UK Home Energy...

3 months ago

Forum

Government Schemes, Regulations, Training, Planning & Organisations

RE: RDSAP10 effect on existing heat pump EPC rating?

Changes due to be announced later in 2026 with effect 2028 Replacing the EPC from 2028 The Government recently consulted on completely replacing th...

3 months ago

Forum

Government Schemes, Regulations, Training, Planning & Organisations

RE: RDSAP10 effect on existing heat pump EPC rating?

Reminder: Changes to EPC methodology in 2025 On 15 June 2025 the methodology for calculating EPC ratings was updated. This update (known as RDSAP...

3 months ago

Forum

Government Schemes, Regulations, Training, Planning & Organisations

RE: RDSAP10 effect on existing heat pump EPC rating?

@mike-patrick interesting update - thanks.I've been through an extended process on my EPC update.Mine was done in 2020 pre ashp & solar/batteriesU...

3 months ago

Forum