Rules and Guidelines
Want to participate in the discussions? Please read our Community Rules and Guidelines. Need some help? Visit Support and Answers.

  • State Suggested Helpful Answer
  • +1 person also asked this people also asked this
  • Replies 17 replies
  • Answers 1 answer
  • Subscribers 40 subscribers
  • Views 873 views
  • Users 0 members are here
Options
You may also be interested in

For a village hall, do you see any advantage other than environmental, in using a heat pump rather than gas for space heating, when Electricity is 24.847p per kWh and Gas 5.838p per kWh, both excluding CCL and VAT?

AncientMariner

We have been advised to consider a replacement gas boiler. The current one was fitted circa 2004 and has a 100 kW output (120 kW input). The situation is not helped by it being a large diameter pipe system and cast iron radiators, likely original from when the Class II listed building was built very early 1900s.  (Some of the joints appear to be caulked lead!)

Clive

Parents
  • 0

    I've got to agree with Chris, even though I'm an advocate for Heat Pumps, in your situation, just fit a new gas boiler.

    I'd be looking at the heat loss though, 100kW is an awful lot, I maintain an hotel with around 30 rooms, that runs on 108kW (two 55kW boilers) with loads of radiators and hot water use. An oversized boiler is very inefficient, so getting the right size is important.

    If it had to be a new system, air to air would be my best choice, a far easier install, cheaper than fitting an air source HP , and running cost advantages too, air source HPs are best if run all, or most of, the time - they are not good at heating an area quickly. Air to Air is quick to heat up, can be used intermittently, and if needed, can be used for cooling. You will however have the 2 or 3 outdoor units, which could be fitted on a roof if needed.

Reply
  • 0

    I've got to agree with Chris, even though I'm an advocate for Heat Pumps, in your situation, just fit a new gas boiler.

    I'd be looking at the heat loss though, 100kW is an awful lot, I maintain an hotel with around 30 rooms, that runs on 108kW (two 55kW boilers) with loads of radiators and hot water use. An oversized boiler is very inefficient, so getting the right size is important.

    If it had to be a new system, air to air would be my best choice, a far easier install, cheaper than fitting an air source HP , and running cost advantages too, air source HPs are best if run all, or most of, the time - they are not good at heating an area quickly. Air to Air is quick to heat up, can be used intermittently, and if needed, can be used for cooling. You will however have the 2 or 3 outdoor units, which could be fitted on a roof if needed.

Children
No Data

Join us to get the best from IET EngX.

Joining EngX lets you personalise your experience so you stay up to date on the topics that interest you, plus you’ll be able to make connections who are looking to collaborate, exchange ideas and more.

Join us Not now

Community Rules & Guidelines