Latest Articles

Not sure what you should do for a boiler service apart from booking it? Use this simple checklist of what to prepare, ask and record so you get the most from every visit.

Full central heating system replacement to fix recurring back‑boiler faults. Efficient, future‑ready heating and reliable hot water for growing families, backed by thorough surveys and no quick fixes.

Practical guide to the EPH CP4 thermostat (RFRP, CP4M, CP4B): learn modes, setup six-period programmes, use manual override and frost protection, plus troubleshooting tips.

Understand what a Gas Safe engineer inspects during a boiler service, the tests they'll run, and simple pre-visit steps. Ideal for homeowners and landlords in Coventry, Warwickshire and Birmingham.

Explore why UK homeowners are switching to air source heat pumps, with lower running costs, reduced carbon emissions and efficient heating and hot water—even in low temperatures.

Yes — solar panels generate through winter in the UK. This practical guide explains why output falls, key factors (sun angle, shading, roof pitch, snow) and steps to maximise winter yield.

Solar panels produce electricity, not heat, but can power electric heating and heat pumps. Whether they can heat your whole home year-round depends on insulation, system size, storage and seasons.

Yes — modern air source heat pumps heat reliably in subzero temperatures. They extract heat from cold air; efficiency drops in deep cold, but good insulation and low‑temperature emitters help.

Can your radiators work with an air source heat pump? This guide covers when they're suitable, possible upgrades, and why a professional assessment matters.

Guide for landlords on installing air source heat pumps, covering suitability checks, installation impact, compliance and maintenance to improve EPCs and cut running costs.

A concise guide to spotting and addressing common solar panel faults — dirt, shading, inverter ageing and weather damage — with practical maintenance tips for Coventry, Birmingham and beyond.

Yes — modern air and ground source heat pumps can keep UK homes warm through winter, often down to −15°C. Proper sizing and installation are vital.

James Lacey of JLN Plumbing in Coventry explains how Heat Geek training gave his team the technical skills and credibility to design efficient heat pump systems and grow the business.

Simple monthly, quarterly and annual checks to keep your air source heat pump efficient, reliable and warranty-compliant. Practical tips homeowners can safely do themselves.

Discover when air source heat pumps start cutting energy bills in Coventry. Covers insulation, correct sizing and professional installation—key factors for timing and savings.

Modern solar PV panels for UK homes typically last 25–30 years or more, slowly losing 0.3–0.7% output per year. Learn how warranties, installation and product quality affect lifespan.

A practical guide to choosing between heat pumps and boilers for Coventry homes. Covers how each system works, radiator/emitter requirements, comfort differences and survey questions.

JLN director James Lacey spoke at Grand Designs Live with Kevin McCloud, giving practical, evidence-based guidance on heat pump sizing, installation, retrofits and real customer performance.

JLN won two awards at the West Midlands Regional Energy Efficiency Awards 2026 for renewable heating and project delivery, highlighting quality installations and customer service.

A concise guide to the Vaillant aroTHERM Plus air source heat pump, its efficient monobloc design, low-GWP R290 refrigerant and installation support from JLN Plumbing & Heating.

After conflicting quotes, Ian chose JLN’s correctly sized 3.5 kW air source heat pump for his underfloor-heated bungalow. Expert assessment and on-site advice delivered efficient, comfortable heating.

JLN Plumbing & Heating shortlisted for Employee Wellness and Leader of the Year at the Octopus Trusted Partners Awards, recognising their role in the UK's heat‑pump rollout.

Featured in the Financial Times, JLN Plumbing & Heating demonstrated how heat pumps, insulation and whole-home design help West Midlands households reduce costs and decarbonise.

A quick guide to the Vaillant Comfort Zone programme: extended warranties (up to 10‑year guarantees), smart boiler connectivity and why accredited installation protects your cover.

JLN Plumbing & Heating has been named a finalist in the Octopus Trusted Partner Awards 2026 for Community Champion, recognised for delivering renewable heating and community support across the West Midlands.

JLN Plumbing & Heating named national winner of APHC's 2025 'Commitment to Training' award for investment in staff training across heat pumps, low-carbon tech, H&S and CPD.

Quick DIY guide to top up Vaillant boiler pressure, address F22 faults, identify Ecotec filling loops and when to call a qualified engineer.

Quick, safe instructions to top up and repressurise your Baxi boiler, check filling-loop types and restore heating. Covers common fault codes (E118/E119) and when to call an engineer.

JLN Plumbing & Heating has been named a finalist in the Best HVAC Installer category at the Heating Installer Awards 2026, recognising our HVAC work across Coventry and the West Midlands.

JLN Plumbing & Heating shortlisted for the West Midlands Regional Energy Efficiency Awards 2026, recognising renewable heating, heat‑pump expertise and customer‑focused installations across Coventry.

Homeowner's guide to air, ground and water-source heat pumps: how they work, pros, installation impact and which homes they suit in Coventry, Birmingham and the West Midlands.

Explore Vaillant sensoCOMFORT, a wired controller offering simple scheduling, energy monitoring and eBUS connectivity. Optional sensoAPP and automated commissioning simplify setup.

Decide whether to repair or replace your boiler by focusing on safety, reliability and key signs like age, recurring faults, pressure loss, noisy operation and inconsistent hot water.

Combining solar panels, battery storage and a heat pump creates a low‑carbon home energy system. This article explains energy flows, typical daily patterns and installation considerations.