Updated February 14, 2026 • By Editorial Staff
Free Heat Pump Calculators & HVAC Tools
Size a heat pump, compare operating costs, check SEER ratings, and find rebates, all with Colorado-specific data. Our calculators use Xcel Energy 2026 rates, Denver climate factors, and current rebate programs. No account required.
BlueTM
AI Summary
These calculators help you evaluate heat pump options before requesting quotes. The sizing calculator follows Xcel's 2025 QI requirements for cold climate systems. The switchover calculator compares gas vs electric costs at different temperatures. Results are estimates for planning; a Manual J calculation provides exact sizing.
BlueAI can make mistakes. Check important info.
Tools Available
8 Free
AHRI Models
1,100+
Rate Data
Xcel 2026
Account Required
None
Colorado-Specific Calculators
Designed for Denver’s climate and Xcel Energy rates. No account required: get instant results for your HVAC planning.
Compare Costs
Size & Plan
All calculations are estimates for planning purposes. Schedule a free consultation for precise recommendations.
Planning Guide4 Steps
How to Plan a Heat Pump Installation
Use our tools in this order for a complete picture of your HVAC options, costs, and savings.
Also Available
More HVAC Planning Tools
These tools live on other pages but are part of your planning toolkit.
Local DataColorado
Why Colorado-Specific HVAC Calculators Matter
Generic HVAC calculators use national averages that don’t apply to Colorado. Denver sits at 5,280 feet where thinner air affects heat pump performance differently than sea-level cities. Our January design temperature is 1°F, far colder than the national assumptions most online tools use.
Xcel Energy’s Quality Installation requirements mandate specific sizing approaches for heat pumps that differ from standard industry practice. Colorado’s rebate programs (Xcel, HEAR, and the state tax credit) stack in ways that are unique to our state. National calculators miss these entirely.
Every calculator on this page uses Xcel’s current rate structure, ASHRAE climate data for the Denver metro area, and active Colorado incentive programs. The results reflect what you’ll actually experience, not a national average.
What Makes Our Calculators Different
- Real AHRI certified data for 1,100+ heat pump models
- Current Xcel Energy 2026 rate structure
- Denver ASHRAE design temperatures (1°F January)
- Colorado-specific rebate stacking rules
- Xcel Quality Installation compliance checks
ComparisonGuide
Which Calculator Should I Use?
Each tool answers a different planning question. Use this guide to find the right starting point.
| Tool | Question It Answers | Key Inputs | Time | Best For |
|---|---|---|---|---|
| Sizing Calculator | What size system do I need? | Home sq ft, insulation, windows | 3 min | Starting your research |
| Efficiency Converter | What do SEER ratings mean? | SEER, SEER2, HSPF values | 1 min | Comparing equipment quotes |
| Energy Calculator | What will it cost to run? | Heat pump model, home size | 2 min | Budget planning |
| Switchover Calculator | Gas or electric? | Current system, utility rates | 2 min | Fuel type decision |
| Solar + Heat Pump | How does solar change costs? | Solar size, heat pump model | 2 min | Solar planning |
| Cold Climate Matcher | Which models handle 5°F load? | Required 5°F BTU, COP, HSPF2 | 2 min | Model shortlisting |
| Rebate Finder | How much can I save? | Income, system type | 2 min | Finding incentives |
| Financing Calculator | What's the monthly payment? | Project cost, term | 1 min | Payment planning |
CommonQuestions
HVAC Calculator Questions
RelatedReading
Learn More About HVAC Planning
These articles include interactive calculators you can use inline while reading.
Get Tool Updates
New calculators and rate updates throughout the year. No spam.
Need Help Interpreting Results?
Free consultation to review your calculations and recommend the right system