--- title: "Heat Pump Blog | Expert Guides & Advice | Appian Heat Pumps" description: "Expert heat pump guides, troubleshooting tips and running cost advice from Appian Heat Pumps engineers in Basingstoke, Hampshire." lang: en-GB json-ld: | { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.appianheatpumps.com/" }, { "@type": "ListItem", "position": 2, "name": "Blog" } ] } --- [ Special Offer Air Conditioning Fully Installed from £1,100 → ](/contact) 12 Appian Way, Chineham, Basingstoke, RG24 8BH Fastest reply → [07481 552059](tel:07481552059)| [01256 672332](tel:01256672332) [![Appian Heat Pumps](/assets/logo-DXHDe5EY.png)](/) Services Service Areas [About](/about)[Our Work](/our-work)[Blog](/blog)[Reviews](/reviews)[Contact](/contact) Call now — fastest reply [07481 552059](tel:07481552059)[Landline: 01256 672332](tel:01256672332) [Request Estimate](/contact) [Call 07481 552059 Fastest reply ](tel:07481552059)[Get Estimate](/contact) 1. [Home](/) Blog # Heat Pump Advice From Engineers, Not Salespeople Practical guides, troubleshooting help, and honest cost breakdowns. Written by the engineers who do the work. [ ![Heat Pump Not Heating? 7 Common Causes & Fixes — heat pump advice article](/assets/blog-heat-pump-not-heating-Dje7q04N.jpg) Troubleshooting ## Heat Pump Not Heating? 7 Common Causes & Fixes If your heat pump has stopped producing heat or isn't reaching temperature, there are several likely causes — from simple thermostat issues to refrigerant faults. Here's what to check before calling an engineer. 10 Apr 2026 6 min read Read article ](/blog/heat-pump-not-heating-common-causes) ## More Articles [ ![How Often Should You Service a Heat Pump? — heat pump advice article thumbnail](/assets/blog-heat-pump-servicing-BE9IO_6O.jpg) Maintenance ### How Often Should You Service a Heat Pump? Annual servicing isn't just recommended — it's essential for maintaining efficiency, protecting your warranty, and catching problems before they become expensive. Here's exactly what a proper service includes. 28 Mar 2026 5 min read ](/blog/how-often-should-you-service-a-heat-pump)[ ![Air Source Heat Pump Running Costs UK 2026 — heat pump advice article thumbnail](/assets/blog-running-costs-DBrs7k8x.jpg) Cost Guide ### Air Source Heat Pump Running Costs UK 2026 Manufacturer claims rarely match real-world performance. We break down actual running costs based on hundreds of systems we've serviced across Hampshire, including the factors that make the biggest difference. 15 Mar 2026 8 min read ](/blog/air-source-heat-pump-running-costs-uk)[ ![Heat Pump Error Codes: Mitsubishi, Daikin, Vaillant — heat pump advice article thumbnail](/assets/blog-error-codes-D9iq7kzI.jpg) Troubleshooting ### Heat Pump Error Codes: Mitsubishi, Daikin, Vaillant Seeing a fault code on your heat pump controller? We decode the most common error codes across major brands and explain which ones you can reset yourself and which need an engineer. 1 Mar 2026 7 min read ](/blog/heat-pump-error-codes-explained)[ ![Swimming Pool Heat Pump Sizing Guide — heat pump advice article thumbnail](/assets/blog-pool-sizing-DMi-KreM.jpg) Installation Guide ### Swimming Pool Heat Pump Sizing Guide An undersized pool heat pump will never reach temperature. An oversized one wastes money upfront and runs inefficiently. Here's how to calculate the correct size for your pool. 18 Feb 2026 6 min read ](/blog/swimming-pool-heat-pump-sizing-guide)[ ![Heat Pump vs Gas Boiler 2026: Which Wins? — heat pump advice article thumbnail](/assets/blog-heat-pump-vs-boiler-B22qWFPV.jpg) Buying Guide ### Heat Pump vs Gas Boiler 2026: Which Wins? With energy prices volatile and the gas boiler phase-out approaching, many Hampshire homeowners are weighing up the switch. We compare real costs, comfort, and practicality based on local installations. 5 Feb 2026 9 min read ](/blog/heat-pump-vs-boiler-basingstoke) ## Need Specific Advice? If you can't find the answer here, call Craig directly. No charge for a quick phone consultation about your [heat pump issue](/services/heat-pump-repair). [Request a Free Estimate](/contact) [Call 07481 552059](tel:07481552059) ![Appian Heat Pumps](/assets/logo-DXHDe5EY.png) Expert heat pump installation, repair & servicing across Hampshire and surrounding areas. Over 15 years of trusted experience. [](https://www.linkedin.com/company/appian-heat-pumps/)[](https://www.facebook.com/profile.php?id=100091962078515)[](https://www.instagram.com/appian_heat_pumps) ### Services - [Heat Pump Repair](/services/heat-pump-repair) - [Heat Pump Servicing](/services/heat-pump-servicing) - [Heat Pump Installation](/services/heat-pump-installation) - [Air Conditioning Installation](/services/air-conditioning-installation) - [Commercial Air Conditioning](/services/commercial-air-conditioning) - [Pool Heat Pump Repair](/services/swimming-pool-heat-pump-repair) - [Pool Heat Pump Service](/services/swimming-pool-heat-pump-service) - [Pool Heat Pump Supply](/services/swimming-pool-heat-pump-supplier) - [Commissioning & Optimisation](/services/commissioning-optimisation) - [Emergency Repairs](/services/emergency-repairs) - [System Upgrades](/services/system-upgrades-retrofits) - [Smart Thermostat Integration](/services/smart-thermostat-integration) - [Health Checks](/services/health-checks) - [F-Gas AC Servicing](/services/fgas-air-conditioning-servicing) - [Maintenance Contracts](/services/annual-maintenance-contracts) ### Service Areas - [Basingstoke](/areas/basingstoke) - [Hampshire](/areas/hampshire) - [Berkshire](/areas/berkshire) - [Surrey](/areas/surrey) - [Wiltshire](/areas/wiltshire) - [Reading](/areas/reading) - [Winchester](/areas/winchester) - [Newbury](/areas/newbury) - [Guildford](/areas/guildford) - [Farnborough](/areas/farnborough) - [Aldershot](/areas/aldershot) - [Woking](/areas/woking) - [Basingstoke & Deane](/areas/basingstoke-and-deane) - [Andover](/areas/andover) - [Bracknell](/areas/bracknell) ### Company - [About](/about) - [Our Work](/our-work) - [Blog](/blog) - [Reviews](/reviews) - [Specials](/specials) - [Contact](/contact) - [Privacy Policy](/privacy-policy) - [Terms & Conditions](/terms-conditions) - [Cookie Policy](/cookie-policy) ### Contact Us - 12 Appian Way, Chineham, Basingstoke, RG24 8BH - [07481 552059](tel:07481552059)Mobile — fastest reply; 24/7 for emergencies - [Or landline: 01256 672332](tel:01256672332) - [info@appianheatpumps.com](mailto:info@appianheatpumps.com) - Opening Hours Mon–Fri: 7:00am – 7:00pm Sat: 8:00am – 5:00pm Sun: 9:00am – 1:00pm Emergency callout line: answered 24/7 © 2026 Appian Heat Pumps. 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