Calzyra
CalzyraCALCULATE | CONVERT | SOLVE
FinanceInvestmentsHealthMathBlog
Calzyra
CalzyraCALCULATE | CONVERT | SOLVE

Smart calculators for every need. Trusted by millions of users worldwide for accurate, fast, and free calculation tools.

Popular Categories

  • Finance
  • Health & Fitness
  • Mathematics
  • Physics
  • Construction
  • Conversion

Finance Tools

  • Loan Calculators
  • Investment Calculators
  • Compound Interest
  • SIP Calculator
  • ROI Calculator
  • CAGR Calculator

Top Calculators

  • Mortgage Calculator
  • BMI Calculator
  • Percentage Calculator
  • Calorie Calculator
  • Tip Calculator

Company

  • About Us
  • Blog
  • Contact
  • Privacy Policy
  • Terms of Service

© 2026 Calzyra. All rights reserved.

Trusted by 2M+ monthly users
Home/Construction/HVAC/Heat Pump Sizing Calculator
Construction CalculatorHVAC

Heat Pump Sizing Calculator

Calculate the required heat pump capacity for both heating and cooling loads, considering the Coefficient of Performance (COP) for energy efficiency.

Updated 2025-01-154 min readCalzyra Construction Team

Calculator

Enter your values below

Formula & Methodology

How this calculator works

Heat Pump Capacity = Max(Heating Load, Cooling Load) / COP

Heat pump sizing considers both the heating and cooling loads. The unit must handle the larger of the two loads, divided by the COP to account for the efficiency of heat transfer. Higher COP means less electrical input needed.

Frequently Asked Questions

Common questions about this calculator

HVAC Calculators

BTU CalculatorHVAC Load CalculatorAir Flow CalculatorDuct Size CalculatorHeat Loss CalculatorHeat Gain CalculatorRoom Air Changes CalculatorRefriant Charge CalculatorThermostat Savings CalculatorHumidity CalculatorVentilation CalculatorPipe Insulation CalculatorDiffuser Count CalculatorStatic Pressure CalculatorEnergy Efficiency Calculator (SEER)

Related Calculators

BTU Calculator

Calculate BTU requirements for cooling or heating a room.

HVAC Load Calculator

Convert total BTU load into HVAC tonnage for system sizing.

Air Flow Calculator

Calculate airflow in CFM from duct diameter and velocity.

Heat Loss Calculator

Calculate building heat loss through walls, roof, and windows.

Thermostat Savings Calculator

Estimate energy savings from thermostat temperature adjustments.

Ventilation Calculator

Calculate fresh air ventilation requirements by standard.

Quick Links

All Construction CalculatorsHVAC Category