Selfbuild

  • Home
  • Advice
    • Advice Zone
      • – Renewables Heating and Ventilation
      • – Build Costs
      • – Windows & Doors
      • – Insulation & Airtightness
      • – Planning
      • – Grants
      • – Build Types
      • – Kitchens
      • – Bathrooms
    • Company News
    • Our Experts
    • Inspiration
    • Videos
  • Projects
    • House Type
      • New Build
      • Bungalow
      • Two Storey
      • Extension/Renovation Projects
    • Cost
      • Cost Under 200
      • Cost 200-300
      • Cost 300+
    • Build Type
      • Block
      • ICF
      • Timber Frame
  • Journey
  • Build Cost Hub
  • Cost Calculators
    • Build Cost Calculator
    • Extension Cost Calculator
    • Kitchen Cost Calculator
    • Bathroom Cost Calculator
    • Window Cost Calculator
    • Architect Cost Calculator
  • House Plans
  • Events
    • Online Events
  • Magazine
    • Magazines
    • Magazines Back Issues
Search
Login
  • Activity
  • Profile
  • Notifications
  • Settings
  • login
  • My account

Selfbuild

Menu
Search
[adrotate group="1"]

You are here:

  1. Home
  2. Author Archives: Gerard Duffy
Gerard Duffy

Gerard Duffy

Latest stories

2 Comments

in Advice, Design, Heating systems, Selfbuild Q&A

Should I compare heat pumps on the basis of COP?

[adrotate group="2"]

More stories

  • 2 Comments

    in Advice, Design, Heating systems, Selfbuild Q&A

    Should I compare heat pumps on the basis of COP?

    Is the Coefficient of Performance (COP) the best way to compare heat pumps?  In this article we cover: What COP is What other factors to consider when comparing heat pumps Factors that determine operating efficiency Importance of system sizing and installation COP or the Coefficient of Performance is a measure designed to show how many […] More

    August 25, 2017, 12:52 pm

Tags

Advice Airtightness & The Environment Architect Autumn 2019 Budget & Financing Budget & Financing - watch/listen Building Methods Construction drawings County Antrim County Down Design Direct labour tasks Direct labour vs main contractor Energy Efficiency Extension Getting started on site grants heating systems Insulation and airtightness: Watchpoints kitchen On Site planning permission podcast Pre Design project renovation SB Podcasts SBTV Ask The Expert SBTV Sponsored Content SBTV Supplier Seminars SC Building methods SC Choosing an architect SC Collating your ideas SC Energy efficiency SC Working out your requirements Securing Planning Permission selfbuild Site Assesment Spring 2019 Stone Summer 2018 Summer 2019 Ventilation Wastewater Winter 2018

Recent Comments

    Latest Projects

    • Modern malthouse in Lincolnshire

    • Costed new build

    • Traditional New Build

    • Cottage with brick extension

    • Home
    • Privacy Policy
    • FAQ
    Back to Top
    Close
    • Home
    • Advice
      • Advice Zone
        • – Renewables Heating and Ventilation
        • – Build Costs
        • – Windows & Doors
        • – Insulation & Airtightness
        • – Planning
        • – Grants
        • – Build Types
        • – Kitchens
        • – Bathrooms
      • Company News
      • Our Experts
      • Inspiration
      • Videos
    • Projects
      • House Type
        • New Build
        • Bungalow
        • Two Storey
        • Extension/Renovation Projects
      • Cost
        • Cost Under 200
        • Cost 200-300
        • Cost 300+
      • Build Type
        • Block
        • ICF
        • Timber Frame
    • Journey
    • Build Cost Hub
    • Cost Calculators
      • Build Cost Calculator
      • Extension Cost Calculator
      • Kitchen Cost Calculator
      • Bathroom Cost Calculator
      • Window Cost Calculator
      • Architect Cost Calculator
    • House Plans
    • Events
      • Online Events
    • Magazine
      • Magazines
      • Magazines Back Issues