HVAC-Calc is a software tool for performing heating and cooling load calculations for residential and small commercial buildings.
Starting at $49.95
Best EnergyGauge Alternatives ranked by AI · updated Aug 2026
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EnergyGauge provides building-energy modeling and compliance software for auditors, builders, contractors, and energy professionals. Its tools cover residential energy analysis, code compliance, ratings, and retrofit evaluation.
Top 6 EnergyGauge alternatives
HVAC Home Auditor is an online tool for HVAC contractors who need to document residential system conditions and recommend improvements. It streamlines...
Pros
- Focused specifically on residential HVAC audits
- Combines field data collection with customer reporting
- More specialized than general home-inspection software
Cons
- Less established than Wrightsoft and other HVAC design platforms
- Not a full replacement for detailed Manual J, S, and D calculations
- Pricing and integrations are less transparent than larger competitors
3
Wrightsoft
Wrightsoft
Wrightsoft provides HVAC design software for contractors, engineers, and energy professionals. Its Right-Suite platform supports Manual J load calculations, equipment selection, duct...
Pros
- Broader Manual J, S, and D coverage than HVAC Home Auditor
- Widely used by HVAC contractors and code-focused designers
- Supports detailed equipment and duct-system design
Cons
- Steeper learning curve than HVAC Home Auditor
- More expensive and complex for basic audits
- Primarily designed for Windows desktop workflows
Quote-based
4
Cool Calc
Cool Calc
Cool Calc is a web-based HVAC load-calculation platform for residential contractors, designers, and energy professionals. It focuses on Manual J calculations and...
Pros
- Browser-based and easier to start than Wrightsoft
- Strong focus on residential Manual J calculations
- More accessible for small contractors than enterprise design suites
Cons
- Less comprehensive duct-design functionality than Wrightsoft
- Not as focused on audit narrative and customer recommendations
- Advanced features may require a paid plan
Freemium
5
Snugg Pro
Snugg Home
Snugg Pro is home-performance software for energy auditors, contractors, and program administrators. It supports field assessments, upgrade recommendations, savings estimates, and professional...
Pros
- Broader whole-home energy-audit coverage than HVAC Home Auditor
- Strong homeowner reporting and retrofit recommendation tools
- Useful for contractors selling insulation and efficiency upgrades alongside HVAC work
Cons
- Less HVAC-specific than HVAC Home Auditor
- Can be excessive for a simple equipment-condition audit
- Pricing is less accessible for occasional users
Quote-based
6
MeasureQuick
MeasureQuick
MeasureQuick is a field diagnostics platform for HVAC and refrigeration technicians. It guides measurements, evaluates system performance, and helps produce data-supported service...
Pros
- Stronger live HVAC diagnostics than HVAC Home Auditor
- Guides technicians through structured measurement workflows
- Works well for commissioning, troubleshooting, and verification
Cons
- Less focused on whole-home audits and retrofit proposals
- Requires compatible measurement instruments for full value
- Not a substitute for Manual J load calculations
Freemium
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