Free air conditioning tools
Quick, free calculators for homeowners and installers — powered by the same heat-load engine that runs inside Vento.
Running your business
Your own figures, not ours. None of these assume the software wins you anything — they put a number on what the paperwork and the unchased quotes are already costing.
Software payback calculator
How many jobs a month does it take to cover the subscription? Your job value and margin against our published price.
Open toolQuoting admin cost calculator
What the evening paperwork costs — hours a week, working days a year, and what they are worth at your rate.
Open toolQuote follow-up calculator
What the quotes that went quiet and never got chased are costing you in margin each year.
Open toolSizing, cost and compliance
The ones to send a customer — powered by the same heat-load engine that runs inside Vento.
Air conditioning size calculator
What size air con do you need? Get the kW and BTU capacity for any room from its dimensions, glazing and insulation.
Open toolRunning-cost calculator
Estimate the annual electricity cost, energy use and CO₂ of an air-conditioning unit from its efficiency and usage.
Open toolInstallation cost calculator
What a UK air-con installation costs: units, pipework, labour and the extras that move the number.
Open toolF-Gas leak-check interval calculator
Refrigerant and charge in, CO₂e and the legally required leak-check interval out.
Open toolWin more installs, with less admin.
Start your 14-day free trial — survey, design, quote and get paid on one platform.
Start free trial14-day free trial