# Free Aircon Tools & Calculators | iCare Aircon

> Use our free aircon tools — BTU calculator to size your AC unit, energy cost estimator to forecast your electricity bill, and HVAC service finder to get the right recommendation.

URL: https://coolbestaircon.com/tools/

Free Tools

# Free Aircon Calculators &  
Service Tools

Instant estimates — no sign-up required. Built for Singapore homes and businesses.

🌡️ Most Popular

## BTU Calculator

Find out exactly how many BTUs you need to cool your room. Singapore tropical climate adjustment included.

⏱ Takes < 1 min

Calculate BTU

[/tools/btu-calculator/ →](/tools/btu-calculator/)

⚡

## Energy Cost Estimator

Estimate your monthly electricity bill for running an aircon unit. Based on SP Group tariff rates.

⏱ Takes < 1 min

Estimate My Bill

[/tools/energy-cost-estimator/ →](/tools/energy-cost-estimator/)

🔍 Quiz

## Aircon Service Finder

Not sure which service you need? Answer 5 quick questions and get a personalised recommendation.

⏱ Takes 2–3 min

Find My Service

[/tools/hvac-service-finder/ →](/tools/hvac-service-finder/)

Why trust iCare Aircon's calculators?

Singapore

Specific settings — tropical climate, metric units, SGD pricing

18+ Years

Formulas validated by licensed technicians with 18+ years' experience

100% Free

No sign-up, no hidden fees. Results shown instantly.

## Need a Professional Opinion?

Our calculators give good estimates — but nothing beats a technician's eyes on your unit. Same-day availability across the West Region.

WhatsApp Our Team

[https://wa.me/6585461234 →](https://wa.me/6585461234)