Plan heating work
Heat-pump and boiler budgets, running-cost comparisons and private written-quote checks.
Read the plan heating work guideIndependent home-comfort guidance
A better home starts with the air around you.
Straight answers on heating, cooling, humidity and indoor comfort—built from useful measurements, careful research and honest limitations.
Calculator results are free and never hidden behind a quote form. Every price and sizing model shows its assumptions and review date.
Living roomExample reading
Temperature20.4°C
Target band40–60%
Numbers are useful. Context—room, season and duration—makes them meaningful.
Measure first. Recommend second.
Our starting point
Three expensive decisions.
No blanket answers.
Control moisture
Dehumidifiers, humidity monitors and practical ways to manage condensation without guesswork.
Read the control moisture guideSize cooling properly
Turn room dimensions, sun, glazing and occupancy into a transparent BTU and kW range.
Read the size cooling properly guideOur rule
If we haven't tested it, we'll tell you. If a recommendation has limits, you'll see those too.
Start with the decision
Guides for the questions that cost money.
Compare the task, room conditions and total running cost before choosing an appliance. Explore the dehumidifier hub →
01 · Air-conditioning costs
Bedroom air conditioning cost UK: installation and quote guide
Estimate the installed cost of fixed air conditioning for one UK bedroom, then compare noise, capacity, pipework, electrics and installer scope.
10 min read ↗02 · Heat-pump quotesHow to compare heat pump quotes: a UK homeowner checklist
Compare heat-pump quotes on design, heat loss, emitters, hot water, electrical work, consumer protection and total scope—not just the headline price.
12 min read ↗03 · Boiler quotesHow to compare boiler quotes: a UK homeowner checklist
Compare boiler quotes on equipment, sizing, controls, flue and condensate work, compliance, warranty and total written scope.
11 min read ↗04 · Model comparisonMeaco Arete Two 10L vs 20L: which should you buy?
Choose between the MeacoDry Arete Two 10L and 20L using matching extraction, power, airflow, noise, tank and workload evidence.
15 min read ↗UK heat-pump budget
Calculate heat-pump cost What could a heat pump cost after grants?
Combine an installer figure with separately quoted radiators, cylinder and electrical work, then test the current support amount without surrendering your contact details.
Heat pump or boiler?
Compare heating systems Compare installation and running costs.
Use the same heat demand, your tariffs and realistic system performance to reveal the annual and ten-year break-even point.
Already have installer quotes?
Check my heat-pump quotes Compare the paperwork before the price.
Put two or three heat-pump quotes side by side and expose missing design, scope, support and protection details. Nothing is uploaded or saved.
UK boiler replacement budget
Calculate boiler replacement cost What does the complete boiler job cost?
Start from a written quote, then expose separately priced controls, radiators, cylinder, flue, electrical and making-good work before comparing installers.
Comparing boiler installers?
Compare my boiler quotes Check whether the quotes describe the same job.
Compare price, Gas Safe information, controls, flue, commissioning, compliance, warranty and exclusions without uploading a document.
UK installation budget
Estimate installation cost What could fixed air conditioning cost in your home?
Estimate a sourced low, typical and high range for equipment, labour, indoor units, electrics and installation time—then keep the result without giving us your details.
Fixed AC electricity
Calculate fixed AC running cost What could split air conditioning cost to run?
Use the outdoor unit's rated electrical input, an explicit inverter-load scenario, your schedule and the unit rate on your bill.
BTU and kW sizing
Calculate room size Choose cooling capacity for the room.
Use dimensions, windows, sun, insulation, occupants and appliance heat. Every adjustment is shown.
Portable AC electricity
Calculate running cost Estimate hourly and seasonal running cost.
Enter input wattage, your tariff and real use pattern in GBP, USD, CAD or AUD.
Free private log
Start a humidity log Measure your room before you buy anything.
Build a seven-day temperature and humidity record, see repeated patterns and download your readings. Your log stays in your browser.
Free calculator
Calculate running cost What will a dehumidifier cost to run?
Use the appliance wattage, your electricity rate and daily runtime to calculate daily, monthly and per-load cost.
Free room-first selector
Choose a technology Compressor or desiccant dehumidifier?
Screen the technologies by room conditions and job, then compare two candidates using your own tariff and operating figures.
Four-model buying decision
Compare all four sizes Which Meaco Arete Two size should you compare?
Compare the 10L, 12L, 20L and 25L using the same published condition, then test an equal-hours electricity scenario before opening a retailer.
Free three-way comparison
Compare laundry costs Dehumidifier, heated airer or tumble dryer?
Compare the electricity cost of drying the same laundry load with your own wattage, runtime and tariff—not a generic national headline.
New open dataset · September 2026
Explore the cost index What do popular UK dehumidifiers cost at rated input?
Compare ten manufacturer-sourced model and operating-mode data points using the current Ofgem rate or your own tariff. Inspect every source and download the CSV.
New open dataset · 40 calculated combinations
Explore the dew point table What is the dew point at different room temperatures and humidity levels?
Look up 40%–80% RH across common room temperatures, inspect the NPL-based equation and download the complete reference table as CSV.