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Surveyed Plan and Design Options

Plans task

When you first create a project, you will create a plan of the property as surveyed. This is called the surveyed plan. Heatpunk allows you to create multiple design options, so you can specify different systems on the same initial floor plan. The surveyed flo...

Sources

Plans task

Adding a heat pump  Heat pumps are added to a design within the Plan task. While on a design option, drag and drop a Pump from the left-hand sidebar to place a heat pump in the plan. After placing the heat pump, you can select the model. Choose from the re...

Emitters

Plans task

Emitters are added to a project in the Plan task. Here you can model existing emitters and any necessary upgrades. Add existing emitters to the surveyed plan and adjust the flow temperature on the right-hand sidebar to clearly see where upgrades are needed. O...

Introduction to the Plans Task

Plans task

In the Plans task, you create your initial floor plan - the surveyed plan - and then create design options by placing heat pumps, cylinders, and modelling emitter upgrades directly on the plan.  With heat loss calculations fully integrated into the Plans task...

Floor Plan Update - April 2026

News and updates

We are excited to announce a major update to Heatpunk. This update changes the way you manage floor plans and specify design options. The new workflow is faster, clearer, and brings your plans and system design together in a single place. Watch the short e...

Partner spotlight: ESBE hydronic solutions

News and updates

ESBE components have recently been added to Midsummer’s product portfolio and are now fully integrated into Heatpunk for system specification. Founded in Sweden in 1906, ESBE engineers and manufactures hydronic solutions with a strict focus on safety, energy ...

Who is Midsummer?

Getting started

Heatpunk is brought to you by Midsummer's in-house development team. Midsummer is one the UK’s leading distributors of solar PV, batteries, EV chargers and Heat Pump systems. With over 20 years of experience in the industry, our wholesale distribution and di...

New in May 2026

News and updates

Updates Heatpunk UK has been updated to enact various MCS changes to operating temperature and air change rates. Operating temps for post-2006 buildings have been increased in almost all rooms. Air change rates now default to 0.5 for all rooms except ...

Why does my total heat loss not equal the sum total of the room heat loss?

FAQs Plan task: system designs

If you are using one of the BS EN 12831-1:2017 methods, the ventilation losses for a building are not a simple sum of the ventilation losses for each room. Instead ventilation losses are calculated both at a room level and then separately on a building (or zon...

How do I model void space above a room-in-roof/ loft?

FAQs Plan task: creating a surveyed floor plan

The U-value of the roof materials are usually calculated for the entire roof construction (outer waterproof surface, loft void, insulation, timber, internal ceilings, etc.) You do not need to model the void space. Simply set the ceiling material to that of th...

New in June 2026

News and updates

Updates Added system layout page to the technical report. Introduced a unified menu for the sound check when managing multiple heat pumps in a single project. Adjusted the scale bar colour to better distinguish it from the heat pump components. ...

How do I change my email address?

FAQs General

Navigate to My Account in the top right and My details. Under Email type in your new email address. Click Sent verification. If there is not already an account with that email address, the new email address will receive a link to confirm the change. Click...

Payment options

Financial task

A payment option is a method by which the customer can pay for a project. Payment options can be created, viewed and edited in the the financial task. You can also set up payments in your account financial settings. If you are a member of a Pro team, this will...