Don’t Miss This Essential Step When Getting a Heat Pump

John's Nightmare Heat Pump playlist:

Roger observes @HeatGeek conducting a heat loss survey to find a solution for John's troublesome heat pump arrangement.

Check out Heat Geek

Thanks to Tom Plumb

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Installing an air source heat pump (ASHP) is an increasingly popular choice for homeowners looking to reduce their carbon footprint and save on heating costs. However, the importance of conducting a thorough survey before installation cannot be overstated. This preliminary step is crucial to ensure that the ASHP system operates efficiently, is cost-effective, and meets the specific needs of the property and its occupants.

Firstly, a detailed survey helps assess a property's suitability for an ASHP installation. Factors such as the property's location, insulation levels, and existing heating system are considered. Homes with poor insulation, for example, may not benefit as much from an ASHP, as these systems work best in well-insulated environments. By identifying these factors early on, homeowners can make necessary adjustments to optimize the performance of their ASHP.

Secondly, the survey process involves calculating the heating and cooling demands of the property. This ensures that the ASHP selected is of the correct size and capacity to meet these demands efficiently. An undersized system may struggle to heat the home on the coldest days, while an oversized system can lead to unnecessary energy consumption and increased costs. Proper sizing is essential for maximizing energy efficiency and achieving cost savings over time.

Furthermore, a survey can identify the best location for installing the outdoor unit of the ASHP. The placement affects the system's efficiency and noise levels experienced within the property. A well-conducted survey will recommend a location that minimizes noise disturbance and ensures optimal performance.

Carrying out a survey before installing an air source heat pump is a critical step that should not be overlooked. It ensures the property's suitability for an ASHP, enables the selection of an appropriately sized system, and identifies the optimal installation location. By investing time and resources into a thorough survey, homeowners can maximize the benefits of their ASHP, contributing to both environmental sustainability and long-term cost savings.

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#heatpump #homeimprovement #heating

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[Daniells]

Great to see Roger and Adam working together and sharing knowledge. Nice to see John taking an interest and genuinely wanting to improve the efficiency of his home.

[chrisrowe]

I had a Heat Loss survey done last month using the new software. Very impressive! My installation commences in 10 days!

[alanwhite]

Love Roger Bisby - a brilliant tradesman, very knowledgeable, particularly with Gas installations, an honest and thorough man, Keep it up Roger!

[daves]

Great effort guys just wish this level of competence was the norm

[gmarkstube]

The most informative discussion thread on heat pumps ever! Practical problems and effective solutions. (a.k.a. Engineering). Impressed by John's stoic perseverance! Roll on the post-installation review...

[bikerchrisukk]

These videos are very refreshing and allow home owners to gauge the practicalities of Heat Pump installs, well done guys and thanks to John for welcoming the camera into his house 👍

[asabriggs]

Well done to John for giving heat pumps another go. Great to see Heat Geeks are making life easier for their installers. Good luck with the install!

[abelfaber]

love this cooperation between skillbuilders and heat geek, and nice to see this series to see how this problem is being solved.
also learning a lot about insolation, and other pre work that is needed before going to a heat pump

[peter-uefq]

in regard to the situation with the loft insulation, consider this. if the homeowner were toinstall three inch sheets of hard foam on the floor, caulking with foam between the seams and edges he will be able to achieve an extremely high r rating and virtually no mess or demolition. here in the u.s. if one goes to a mall or other large commercial roof job the contractors remove sheets of the material which also has been treated with a pesticide already and it goes to landfills. we have approached job foreman and asked for their waste and they are more than happy to give it to us because they pay to dispose of it. we load a rental truck and repurpose the material in the home. now we solved two problems for cheap and it can actually be fun to do. the sheets are generally 4x8 sheets and are very lightweight. a case of dark beer is always a good swap.

[andyhumphreys]

Watching with interest, heat geeks are putting their reputation on the line here, who knows they may win me over.

[swisby]

If the house is warm and you know the average internal temp and the external temp, why not check the heat input via a strap on heat meter on the existing F&R, better than any calculation or at least you can check the theoretical calcs

[JurassicJungle]

Great points on ventilation. Our renovation project had terrible ventilation and mould problems. We have installed MVHR with Lindab but are now trying to ensure we are airtight enough that we are not then pulling in cold air.

[Liverpoolne]

Glad that people like this are willing to try out the technology on behalf of the rest of us but it does seem crazy complicated and the customer appears rather affluent so perhaps not representative of your average UK homeowner (no disrespect intended).

[CloudhoundCoUk]

Excellent informative presentation.
If you are thinking of installing a heat pump this is a must-watch video.

[stevedavis]

I can't see many heat pump installers doing all this assessment before an install.

[MrKlawUK]

great video. Good to see a collaboration bringing the experience and knowledge of both together.

[davidwightman]

Gotta feel for John, what a carry on, I hope it works out. Cant believe he wasn't told to get his loft insulation sorted before the original installation.

[jimmartin]

If you did all the insulation etc beforehand surely that would make a gas boiler even cheaper to run so I would have thought the heat pump savings are not genuine

[clivepierce]

A great video and it’s good to see SkillBuilder teaming up with Heat Geeks on this topic. A couple of points to mention. The mantra of the Retrofit industry is Fabric First. In other words, address the heat losses from your home before installing a heat pump or other renewables. If you insulated the loft space and draught proofed windows and doors first you could down size the heat pump by several kW as I think Adam mentioned. Also, I couldn’t help noticing that during the heat loss calculations Adam seemed to suggest that the wall adjacent to the garage could be treated as a Party wall. This isn’t standard practice unless the garage is heated and airtight. Finally, regarding uncontrolled ventilation, Adam’s comment about the air changes per hour (ACH) being less than 1 seems unlikely in a property of this age and size. In the absence of a door blower test, it would be risky to assume such a low figure.

[adrianred]

Heat loss calculation starts 8:40
1:04 Air changes