Free HVAC Estimate Template
This free HVAC estimate template includes equipment specifications with tonnage and SEER ratings, ductwork materials and labor, load calculation summary, refrigerant line sets, and thermostat upgrades. Download the PDF, add your HVAC license and company info, and send detailed proposals that help clients choose confidently.
What's Included
- Professional header with your company name, HVAC license number, and contact info
- Equipment specifications: brand, model, tonnage, SEER/SEER2 rating, and warranty
- Ductwork materials, modifications, and sealing by linear foot
- Load calculation summary with square footage and climate factors
- Refrigerant line set, electrical connections, and thermostat
- Permit fees and inspection requirements
- Labor breakdown: equipment installation, ductwork, and startup
- Manufacturer and workmanship warranty details
How to Use This Template
- 1
Start with a Manual J load calculation or a simplified version based on square footage, insulation levels, window area, and climate zone. This determines the correct tonnage — oversizing is as problematic as undersizing. Document your calculation in the estimate so clients understand why you’re recommending a specific system size.
- 2
List equipment with full specifications: manufacturer, model number, tonnage, SEER or SEER2 rating, and type (split system, heat pump, package unit). Include the manufacturer’s warranty (typically 10 years parts, 1 year labor) and any extended warranty options. Present good/better/best equipment options when possible — it gives clients control and often leads to upsells.
- 3
Itemize ductwork separately from equipment. For replacement systems using existing ducts, include inspection, sealing, and any modifications. For new ductwork, list material (flex, sheet metal, or duct board), linear footage, registers, grilles, and returns. Ductwork can be 30–50% of a full HVAC install cost, and clients need to see why.
- 4
Include all supporting items: refrigerant line set (by length), condensate drain line, electrical disconnect and whip, thermostat (basic or smart), concrete pad for the condenser, and any code-required upgrades like flue liner modifications. These items are easily forgotten but add \$500–\$1,500 to the project.
Frequently Asked Questions
How do I determine the right HVAC system size for an estimate?
Perform a Manual J load calculation using the home’s square footage, insulation levels, window area, orientation, and climate zone. As a rough guideline, 1 ton of cooling covers 400–600 sq ft depending on climate. Never size based on square footage alone — a poorly insulated 2,000 sq ft home may need 5 tons while a well-insulated one needs only 3.
What SEER rating should I recommend to clients?
As of 2023, the federal minimum is SEER2 14.3 in the northern US and SEER2 15.2 in the southern US. Mid-range systems (16–18 SEER) offer the best value for most homeowners. High-efficiency systems (20+ SEER) have higher upfront costs but lower operating costs. Present options with estimated annual energy savings so clients can compare.
Should I include ductwork in an HVAC estimate?
Always inspect existing ductwork and note its condition. For system replacements, include duct sealing (\$500–\$2,000) and any modifications needed for the new equipment. For new construction or additions, list ductwork materials and labor separately. Leaky or undersized ducts can reduce system efficiency by 20–30%, so addressing them adds real value.
What permits and inspections do HVAC installs require?
Most jurisdictions require a mechanical permit for HVAC replacement or installation, typically \$100–\$500. Some also require a separate electrical permit for disconnect installation. Include permit fees as a line item and note that work will be inspected. This reassures clients and differentiates you from contractors who skip permits.
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HVAC Estimating Guide
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