MCS Redveloped is here. Manage compliance, pass audits, and reduce admin with Spruce’s all-in-one platform. Book a demo today and stay ahead of the changes

The right heat loss and design software saves 3-5 hours per job and produces reports that convert homeowner enquiries into signed proposals.

Heat pump software doesn't make the calculation easier, it makes the inputs harder to get wrong. Learn what separates a good tool from one that creates false confidence.

The MCS Redeveloped (MCS:2015) overhaul is the biggest change to installer certification in years. Here's what changed, and what to do before transition.

A guide explaining whole-home air permeability ventilation heat loss for engineers, introduced in the 2026 CIBSE Domestic Heating Design Guide. Learn more.

The engineering guide to heat loss calculations: fabric and ventilation formulas, oversizing consequences, emitter sizing, and where software helps. Learn more.

RES Devon passed its MCS audit with zero non-conformities and cut estimate time from 2-3 hours to 10 minutes with Spruce. Read more.

Alter Eco tripled installs to 60 heat pumps a year with Spruce, dropping surveys drastically with higher quality business proposals. Learn more.

WDS grew survey volume by 75% after moving from a 15-year Excel system to Spruce. Estimates dropped from an hour to 10 minutes. Read more.

Active Heating tripled installs and cut survey-to-proposal times with Spruce. The team now handles more enquiries and gets out proposals faster. Read more.

Guscott shifted from 95% gas boilers to 60% heat pumps while growing from two to 15 staff. Faster heat loss surveys with Spruce removed the admin cap.

Swift Renewables scaled from 10 to 100 installs a year and grew to 30 engineers. Spruce handles the admin that used to need a full-time role. Read more.

Understand the 2025 MCS Redeveloped certification overhaul for heat pump installers, including new audit changes and what it means for your business. Learn more here.

Humphrey & Crockett spent a day per heat loss survey with large spreadsheets, leading to 2-week quotes. With Spruce, they now quote in days and win more work

Taggas cut survey time from 4 hours to 1 and doubled designs from 5 to 10 per week. With Spruce, they save time and focus more on customers.

EnergyMyWay cut enquiry-to-proposal time in half with Spruce, helping their 27-person team win more work and grow 40% in two years. Learn more.

AAC Group cut heat pump admin from 6 hours to 2 with Spruce, moving from 5 to 20 jobs a week and sending same-day proposals after surveys. Learn more.

Elite Services Group uses Spruce to manage 100 heat pump jobs a year without extra back office staff, keeping a 48-hour quote turnaround. Learn more.

Wiltshire Energy increased survey capacity 10x with Spruce, growing revenue 45% in a year while scaling from 3 surveys a week to 3 a day. Read more.

Aventus Eco is a Scottish heat pump and solar installer run by Sean Hogan. Aventus now manage 100+ jobs simultaneously while maintaining a 90% referral rate, all without back office staff.

Delta T grew from 8 to 15 people over three years, doubling installs year-on-year while dropping gas, oil and LPG entirely to focus on heat pumps. With Spruce, engineers, admin staff and Chester each handle their own part of the job instead of every install routing through one desk.

JLN Plumbing and Heating cut admin time by 50% and scaled heat pump delivery end-to-end, achieving their strongest year in two decades with Spruce. Read more.

Blakemore Plumbing cut admin time from 22 to 6 hours per heat pump job and now uses Spruce proposals as a competitive advantage to win more work. Read more.

In this article, we explain why oversizing heat pumps happens frequently and how this leads to higher costs and reduced efficiency. Learn more today.

As heat pumps increasingly take off in the UK, installers have a unique opportunity to grow their businesses. We've put together some ideas on how to take advantage of this opportunity.

To stand a chance of hitting 600,000 heat pump installs by 2028, we need to prioritise installers' needs, concerns and overlooked challenges.

Spruce was founded to address the often-overlooked challenges faced by heat pump installers in the UK. Read our article to learn more.