Life & fun · alternatives · 2026
24 alternatives to HeatWise HVAC
Load calculations for professionals
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1
2022 · heatpumpshooray.com · its alternatives →
- 2TD
WattWise is a CLI tool that monitors my workstation’s power draw using a smart plug and automatically throttles the CPU & GPUs during expensive Time-of-Use electricity periods. Built with Python, uses PID controllers for smooth transitions between power states. Works with TP-Link Kasa plugs and Home Assistant.
2025 · naveen.ing · its alternatives →
- 3
Your one stop shop for smart HVAC software solutions
2022 · yourvirtualhvac.com · its alternatives →
- 4
Quilt▲107The smartest and most efficient heat pump on the market
Feb 2026 · quilt.com · its alternatives →
- 5
Free HVAC calculators and practical reference tools
Aug 2026 · hvactoolshub.com · its alternatives →
- 6
client-side HVAC & thermodynamic calculation suite
Aug 2026 · hvaclogic.org · its alternatives →
- 7
HVAC Toolkit▲61HVAC ToolKit is an easy-to-use app to assist engineers
2023 · hvac.meptoolkit.com · its alternatives →
- 8
Create powerful, beautiful Calculator forms
2019 · convertcalculator.com · its alternatives →
- 9
burnrate.fyi▲95Estimate your SaaS expenses in 5 minutes for free
2021 · burnrate.fyi · its alternatives →
- 10GL
Things I have learned over time. :-)
2018 · assafmo.github.io · its alternatives →
- 11
WattWise▲2Free calculators to estimate electricity costs
Apr 2026 · wattwise.solutions · its alternatives →
- 12
Offline HVAC calculator: R-454B PT, superheat, duct, load
Jul 2026 · apps.apple.com · its alternatives →
- 13
Financial Independence / Retire Early (FIRE) Calculator for the UK
2023 · fire.picheta.me · its alternatives →
- 14
Smart tools to calculate, compare ,optimize your power usage
Nov 2025 · energycalculator.blog · its alternatives →
- 15
Find the Right AC Size & BTU Needs
Jun 2026 · tonnagecalculatorac.com · its alternatives →
- 16
Hey HN! We're excited to introduce Logwise, our new AI-powered log analysis tool. (built by two devs who hate logs) Product page: https://logwise.framer.website/ Logwise makes debugging and incident response faster for developers. It uses natural language processing to automatically parse log data, surface insights, and detect anomalies. We built Logwise to eliminate the manual sifting of log analysis. Key features: - Search logs in plain English - no complex queries needed - Auto-generated alerts highlight potential issues - Contextual debugging advice speeds incident…
2023 · logwise.framer.website · its alternatives →
- 17
Innovative tool for building's energy efficiency calculation
2020 · its alternatives →
- 18
Find the Perfect Sauna Heater Size for Optimal Heat!
2025 · topture.com · its alternatives →
- 19
- 20
50 free calculators for home energy costs & savings
Jul 2026 · howmuchwatts.com · its alternatives →
- 21
Commercial and industrial HVAC service
2023 · ckcontroltemp.com · its alternatives →
- 22
- 23
Free tool to calculate your startup's burn rate in seconds
2024 · angelmatch.io · its alternatives →
- 24
Professional HVAC estimates in 10 minutes, not 2 hours.
Nov 2025 · estimatekit.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →