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Free HVAC Estimate Templates (2026) - Download Now

Free HVAC Estimate Templates (2026) - Download Now

HVAC estimates can make or break your business. Price too high and the homeowner goes with your competitor. Price too low and you eat the cost of that extra line set, the duct modification you did not plan for, or the crane rental to get the unit on the roof.

The HVAC industry is also dealing with major changes right now. The shift from R-410A to R-454B refrigerant, new SEER2 efficiency standards, and rising equipment costs mean your old estimates are already outdated. If your template still has 2024 equipment pricing, every estimate you send is wrong.

These three templates cover the most common HVAC jobs: a residential system replacement, a new construction install, and a service/repair call. Each includes realistic 2026 equipment costs, labor hours, and markup formulas you can adjust for your market.


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How to Use These Templates

Each template is organized into equipment, materials, labor, and other costs. Here is how to make them work for you:

  1. Visit the site and inspect the existing system, ductwork, electrical, and access points.
  2. Run a Manual J load calculation to determine proper equipment sizing.
  3. Get current equipment pricing from your distributor.
  4. Estimate labor hours based on the specific installation conditions.
  5. Add permits, startup, and warranty registration costs.
  6. Apply your overhead and profit to the total.

The costs shown are mid-range U.S. estimates for 2026. Equipment pricing varies by brand and distributor. Always verify pricing before sending a live estimate.


Template 1: Residential System Replacement Estimate

This template covers replacing an existing 3-ton split system (furnace + AC) with a new 3-ton, 16 SEER2 heat pump system with variable-speed air handler. Existing ductwork is reused with minor modifications.

Equipment

Line ItemQuantityUnitUnit CostTotal
Heat pump (3-ton, 16 SEER2)1each$3,200.00$3,200.00
Air handler (variable speed)1each$2,400.00$2,400.00
Programmable thermostat (WiFi)1each$175.00$175.00
Equipment Subtotal$5,775.00

Materials

Line ItemQuantityUnitUnit CostTotal
Line set (3/8” x 3/4”, 30 ft)1set$185.00$185.00
Line set insulation30ft$1.50$45.00
Refrigerant (R-454B, additional charge)4lbs$35.00$140.00
Condensate drain (PVC, trap, safety switch)1lot$45.00$45.00
Concrete pad (condenser)1each$55.00$55.00
Electrical whip and disconnect1set$65.00$65.00
Duct transitions and plenums1lot$120.00$120.00
Sheet metal and duct tape1lot$85.00$85.00
Mounting hardware and vibration pads1lot$40.00$40.00
Miscellaneous (hangers, sealant, screws)1lot$50.00$50.00
Materials Subtotal$830.00

Labor

TaskHoursRateTotal
Remove existing furnace and AC3$95.00$285.00
Install air handler4$95.00$380.00
Install heat pump (condenser)3$95.00$285.00
Run and connect line set2$95.00$190.00
Electrical connections2$95.00$190.00
Duct modifications and connections3$95.00$285.00
Thermostat install and wiring1$95.00$95.00
Vacuum, charge, and startup2$95.00$190.00
System commissioning and testing1$95.00$95.00
Helper/apprentice12$45.00$540.00
Labor Subtotal

Other Costs

ItemQuantityUnitUnit CostTotal
Permit and inspection1each$250.00$250.00
Equipment warranty registration1each$0.00$0.00
Haul-off old equipment1each$75.00$75.00
Load calculation (Manual J)1each$150.00$150.00
Other Subtotal$475.00

Summary

Amount
Equipment$5,775.00
Materials$830.00
Labor$2,535.00
Other Costs$475.00
Direct Cost Subtotal$9,615.00
Overhead (15%)$1,442.25
Profit (12%)$1,326.87
Total Estimate$12,384.12

Tips for This Template

  • Always include the Manual J load calculation as a line item. It shows the homeowner you sized the system properly and protects you if they question the equipment size.
  • R-454B refrigerant is now the standard for new equipment in 2026. It is mildly flammable (A2L classification), so make sure your techs are trained and your estimate accounts for any safety requirements.
  • Offer good-better-best options. Price a 14 SEER2, 16 SEER2, and 18+ SEER2 system. Most homeowners pick the middle option, which is exactly what you want.
  • Include the WiFi thermostat. It costs you $175 but adds $300+ in perceived value and gives the homeowner a feature they will show off to friends.

Template 2: New Construction HVAC Install Estimate

This template covers a complete HVAC install for a 2,400 sq ft single-story home. Includes ductwork design, installation, equipment, and startup. Assumes attic-mounted air handler and side-yard condenser.

Equipment

Line ItemQuantityUnitUnit CostTotal
Heat pump (4-ton, 15 SEER2)1each$3,600.00$3,600.00
Air handler (multi-speed)1each$2,100.00$2,100.00
Smart thermostat1each$200.00$200.00
Equipment Subtotal$5,900.00

Ductwork

Line ItemQuantityUnitUnit CostTotal
Supply trunk line (insulated flex, 12”)40ft$8.00$320.00
Supply branch runs (insulated flex, 6-8”)300ft$4.50$1,350.00
Return duct (insulated flex, 14-16”)60ft$10.00$600.00
Supply registers and boots14each$25.00$350.00
Return grilles3each$35.00$105.00
Plenums (supply and return)2each$150.00$300.00
Duct supports and hangers1lot$120.00$120.00
Mastic sealant and tape1lot$85.00$85.00
Ductwork Subtotal$3,230.00

Materials

Line ItemQuantityUnitUnit CostTotal
Line set (3/8” x 7/8”, 40 ft)1set$220.00$220.00
Refrigerant (additional charge)6lbs$35.00$210.00
Condensate drain (PVC, trap, safety)1lot$55.00$55.00
Concrete pad1each$55.00$55.00
Electrical whip and disconnect1set$65.00$65.00
Float switch and safety pan1set$45.00$45.00
Gas line (CSST, if dual fuel)0ft$0.00$0.00
Miscellaneous1lot$75.00$75.00
Materials Subtotal$725.00

Labor

TaskHoursRateTotal
Duct layout and design4$95.00$380.00
Ductwork installation24$95.00$2,280.00
Set and connect air handler4$95.00$380.00
Set and connect condenser3$95.00$285.00
Line set installation2$95.00$190.00
Electrical connections2$95.00$190.00
Thermostat and controls1$95.00$95.00
Vacuum, charge, and startup2$95.00$190.00
Commissioning and airflow balancing3$95.00$285.00
Helper/apprentice30$45.00$1,350.00
Labor Subtotal

Other Costs

ItemQuantityUnitUnit CostTotal
Permit and inspections1each$300.00$300.00
Manual J/D calculations1each$250.00$250.00
Other Subtotal$550.00

Summary

Amount
Equipment$5,900.00
Ductwork$3,230.00
Materials$725.00
Labor$5,625.00
Other Costs$550.00
Direct Cost Subtotal$16,030.00
Overhead (12%)$1,923.60
Profit (12%)$2,154.43
Total Estimate$20,108.03

Tips for This Template

  • New construction HVAC requires Manual J (load calculation) and Manual D (duct design). Include both in your estimate. The GC expects you to design the system, not just install it.
  • Airflow balancing at startup is critical. Do not skip this step. Rooms with unbalanced airflow lead to comfort complaints and callbacks.
  • Coordinate with the framing and insulation crews. Your ductwork needs to be installed before insulation, and your equipment location needs to be framed correctly.
  • Include a note about attic access requirements. The air handler needs a platform, a working light, and a service clearance that meets code.

Template 3: Service and Repair Estimate

This template covers a common HVAC service call: diagnosing a no-cool complaint, replacing a failed compressor capacitor and contactor, and cleaning the condenser coil.

Parts

Line ItemQuantityUnitUnit CostTotal
Run capacitor (45/5 MFD)1each$18.00$18.00
Contactor (40-amp, 24V coil)1each$22.00$22.00
Parts Subtotal$40.00

Labor

TaskHoursRateTotal
Diagnostic (electrical testing, identify failure)1$120.00$120.00
Replace capacitor and contactor1$120.00$120.00
Clean condenser coil0.5$120.00$60.00
System test and verify operation0.5$120.00$60.00
Labor Subtotal

Other Costs

ItemQuantityUnitUnit CostTotal
Trip/service charge1each$89.00$89.00
Other Subtotal$89.00

Summary

Amount
Parts$40.00
Labor$360.00
Other Costs$89.00
Direct Cost Subtotal$489.00
Overhead (15%)$73.35
Profit (25%)$140.59
Total Estimate$702.94

Tips for This Template

  • Service calls should carry your highest profit margins (20-30%). The homeowner is paying for your diagnostic skill, fast response, and the convenience of a stocked truck.
  • Always test the full system after a repair, not just the failed component. A bad capacitor often damages the contactor over time, and vice versa. Replacing both when one fails is smart preventive maintenance.
  • Offer a maintenance agreement during every service call. A customer who just spent $700 on an emergency repair is the most receptive audience for a $150/year maintenance plan.
  • Take before-and-after photos of the condenser coil cleaning. Customers love seeing the difference, and it justifies the labor charge.

Adjusting These Templates for Your Business

Know Your Equipment Costs

Equipment is the largest line item in most HVAC estimates. Build relationships with 2-3 distributors and compare pricing. Volume discounts can save you 5-15% on equipment, which goes straight to your bottom line.

Calculate Your True Labor Cost

HVAC technician wages plus workers comp, insurance, payroll taxes, and benefits add up fast. If your lead tech makes $32/hour, the true cost is probably $44-50/hour once you add everything. Your billing rate needs to cover that cost plus overhead and profit.

Offer Good-Better-Best

Present three options on every replacement estimate. The “good” option is the minimum code-compliant system. The “better” option is what you recommend. The “best” option is the premium system with all the features. Most customers pick the middle, and some surprise you by going premium. You never sell the top option if you never present it.

Move to Digital Estimates

HVAC customers compare 2-3 bids before deciding. The contractor who sends a professional, itemized estimate first often wins the job. Projul’s estimating tools let you build and send HVAC estimates from your truck right after the site visit. No going back to the office. No delays. Schedule a demo to see how it works.


Common Mistakes That Cost HVAC Contractors Money on Estimates

Not doing a load calculation. Guessing equipment size by square footage leads to oversized or undersized systems. Both cost you money in callbacks and unhappy customers. A $150 Manual J calculation protects a $12,000 installation.

Using old equipment pricing. HVAC equipment prices increased 15-25% between 2023 and 2026 due to new efficiency standards and refrigerant transitions. If your template has old prices, every estimate is wrong.

Forgetting duct modifications. New equipment rarely drops into the exact same footprint as the old unit. Plenum transitions, duct resizing, and return air modifications add $200-800 to most replacement jobs. Price them or eat the cost.

Not including the permit. HVAC replacement permits cost $150-350 in most cities. Some contractors skip the permit to save the customer money (and win the bid), but that creates liability, warranty, and resale problems.

Underpricing service calls. Your service truck costs $400-600 per day in fuel, insurance, maintenance, and inventory. If your service calls do not average $500+ in revenue, the truck is losing money.


What Every HVAC Estimate Needs Beyond the Numbers

  • Equipment specifications. Brand, model, tonnage, SEER2 rating, and refrigerant type. Do not just write “3-ton AC.”
  • Load calculation reference. Note the Manual J results or attach the calculation.
  • Scope of work. “Remove existing 3-ton Carrier system. Install new Trane XR16 heat pump and air handler. Reuse existing ductwork with plenum modifications. New thermostat, line set, and electrical connections.”
  • Timeline. “Equipment replacement: 1 day. Start within 1 week of signed contract.”
  • Warranty details. Equipment manufacturer warranty (5-10 years), your labor warranty (1-2 years), and what is required to maintain both (annual maintenance).
  • Payment terms. “50% deposit at scheduling, 50% due at completion and successful startup.”
  • Exclusions. “Does not include ductwork replacement, attic insulation, electrical panel upgrades, or smart home integration.”
  • Rebates and incentives. List any utility rebates or tax credits the homeowner qualifies for with a heat pump. This can be a deciding factor.

Frequently Asked Questions

Check the FAQ section above for answers to common questions about HVAC replacement costs, system sizing, profit margins, ductwork, and site visit requirements.


Start Sending Better Estimates Today

These templates give you a strong starting point for residential replacements, new construction installs, and service repairs. Plug in your equipment pricing, adjust for your market, and start sending professional estimates that win more jobs.

If you want to stop losing bids to contractors who respond faster, Projul’s estimating features let you build and send HVAC estimates from your truck. No per-user fees. Built for contractors. Schedule a live demo and see the difference.


📥 Get Your Free Estimate Templates

Download Projul’s free construction estimate templates - built by contractors, for contractors. Create professional estimates in minutes and win more jobs.

Download Free Templates →


DISCLAIMER: We make no warranty of accuracy, timeliness, and completeness of the information presented on this website. Posts are subject to change without notice and cannot be considered financial advice.

Frequently Asked Questions

How much does a full HVAC system replacement cost in 2026?
A full residential HVAC system replacement (furnace and AC or heat pump) typically costs $8,000 to $15,000 installed in 2026, depending on equipment brand, efficiency rating, home size, and ductwork condition. A basic 3-ton, 14 SEER2 system is on the lower end. A 16+ SEER2 heat pump with variable speed air handler runs higher. Your estimate should break out equipment, labor, materials, and permits so the homeowner can see exactly where their money goes.
How do I size an HVAC system correctly for an estimate?
Proper sizing requires a Manual J load calculation, which factors in square footage, insulation levels, window area, orientation, climate zone, and occupancy. Never size by rules of thumb like '1 ton per 500 sq ft' because that leads to oversized or undersized systems. An oversized system short-cycles, wastes energy, and fails to dehumidify. An undersized system runs constantly and cannot keep up on extreme days. Software like Wrightsoft or CoolCalc makes Manual J fast. Include the load calculation as a line item on your estimate.
What profit margin should HVAC contractors target?
Target 12-18% net profit on replacement and new construction work, and 20-30% on service and repair calls. Service margins are higher because they demand fast response, diagnostic expertise, and a fully stocked truck. Your gross margin on a replacement should be 40-50% to cover overhead, warranties, and callbacks. If your replacement margins are below 35%, you are likely underpricing your labor or not accounting for all overhead costs.
Should I include ductwork in my HVAC estimate?
Always inspect the ductwork and include it in your assessment, even if you do not plan to replace it. Old, leaky, or undersized ductwork can waste 20-30% of the system's output. If the ducts are in bad shape, include duct replacement or sealing as a separate line item or present it as an add-on option. At minimum, note the duct condition on your estimate so the customer knows. Ignoring bad ductwork and installing a new system is a recipe for comfort complaints and callbacks.
How do I estimate HVAC work for a home I have never been inside?
Do not. HVAC estimates require a site visit. You need to see the existing equipment, measure the space, inspect ductwork, check electrical capacity, and evaluate installation access. Giving a price over the phone or based on square footage alone is a fast way to lose money or overprice yourself out of the job. Schedule a 30-45 minute site visit, take photos, and do your load calculation before you quote.
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