17 Calculators

HVAC Calculators

Heat pumps, mini splits, boilers, duct work, refrigerant, service agreements — every calculator an HVAC technician needs to quote complete systems and close jobs at the right margin.

Equipment Installation

Heat Pump Installation Cost

Air-source or ground-source — by tonnage, efficiency rating, air handler, and electrical upgrade.

Mini Split Installation Cost

Single or multi-zone — by zone count, line set length, wall penetrations, and electrical circuit.

Boiler Replacement Cost

Gas, oil, or combi — by BTU output, efficiency rating, venting type, and zone count.

Heat Pump Water Heater Install

HPWH by capacity, space requirements, electrical circuit, condensate, and IRA rebate calculation.

ERV / HRV Installation Cost

Energy recovery ventilator by home size, duct connections, controls, and fresh air balancing.

Service & Maintenance

AC Tune-Up Cost

By system type, refrigerant check, coil cleaning, age factor — with R-22 red alert and service agreement upsell.

Boiler Maintenance Cost

Gas, oil, or electric boiler annual service — by fuel type, age, zone count, and time since last service.

Thermostat Replacement Cost

Basic, smart, or zoning — millivolt alert, heat pump O/B compatibility, C-wire run pricing.

Refrigerant Charge Calculator

R-410A, R-22, R-32 by pounds needed — leak check, recovery, and EPA 608 compliance pricing.

Service Agreement Pricing

Price annual service agreements by visit count, system count, and included parts — build recurring revenue.

HVAC · Reference

Maintenance Agreement

Preventive maintenance program pricing — per-unit, per-visit, and bundled agreement structures.

Duct Work & Sizing

Duct Leak Sealing Cost

Manual vs. Aeroseal by system tonnage, leakage class, access condition — annual savings shown.

Duct Cleaning Cost

By supply/return count, system size, and contamination level — includes sanitizer and dryer vent add-on.

HVAC · Reference

HVAC BTU Sizing

Manual J approximation — square footage, climate zone, insulation, and window area to tonnage.

BTU output by home size, climate, infiltration rate — oversizing and undersizing consequences explained.

Air Handler Sizing

CFM requirements by tonnage — blower speed, coil size, and duct static pressure consideration.

Price Every HVAC Job Right the First Time

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