Establishing secure connection…Loading editor…Preparing document…

HVAC Contract

This template is fully customizable. Edit the text, fill out the fields, and send it for signature. Give it a try!

HVAC CONTRACT

THIS HVAC CONTRACT (“Contract”), effective as of the date of the last party to sign below, is between , having an address at ("Contractor") and , having an address at ("Owner").

For valuable consideration the parties hereby agree as follows:

1. SCOPE OF WORK:

Contractor shall provide all labor and materials, and perform all work necessary for the completion of the residence, structure, or improvements as described in the drawings and specifications signed by both Owner and Contractor (“Project”) and more particularly described as

Such drawings and specifications are hereby made a part of this Contract. Drawings and specifications shall contain a scale drawing showing the shape, size, and dimensions of the construction and equipment together with a description of the work to be done, materials to be used, and the equipment to be used or installed.

Type of Heat:

Heating Brand Name, Model, Size:

Heating Brand Name, Model, Size:

Heat Pump/Air Conditioner Brand Name, Model, Size:

Evaporator Coil, Brand Name, Model, Size:

Thermostat, Brand, Type:

Supply Ductwork Material:

There will be dampers installed in the supply ductwork to control air flow.

Insulated supply:

Return Air Ductwork Material:

Insulated returns:

Basement-Zone 1 First Floor-Zone 2 Second Floor-Zone 3 Third Floor-Zone 3
Supplies
Hi-Lo Returns
Furnace Vents
Water Heater Vents
Dryer Vent
Clothes Chute
Kitchen Vent
Bath Fan Vent
Safety Drain Pans
L/F Valley Flashing

2. WORK SITE:

The Project shall be constructed on the property of Owner located at and more particularly described as (hereafter "the Work Site").

Owner hereby authorizes Contractor to commence and complete the usual and customary excavation and grading on the Work Site as may be required in the judgment of the Contractor to complete the Project. Unless called for in the drawings or specifications, no landscaping, finish grading, filling or excavation is to be performed at the Work Site by the Contractor.

3. TIME OF COMPLETION:

Contractor shall commence the work to be performed under this Contract on or before and shall substantially complete the work on or before .

4. PERMITS:

Contractor shall apply for and obtain such permits and regulatory approvals as may be required by the local municipal/county government, the cost thereof shall be included as part of the Project price.

5. INSURANCE:

Contractor shall maintain general liability, workers compensation and builder's risk insurance.

6. SURVEY AND TITLE:

If the Project is near the Owner’s property boundary, Owner will point out property lines to the Contractor. If the Owner or Contractor has any doubt about the location of the property lines, Owner shall provide Contractor with boundary stakes through a licensed surveyor. In addition, Owner shall provide Contractor documentation that Owner has title to the Work Site and shall provide Contractor copies of any covenants, conditions, or restrictions that affect the Work Site.

7. CHANGES TO SCOPE OF WORK:

Owner may make changes to the scope of the work, including changes to the drawings and specifications, from time to time during the construction of the Project. However, any such change or modification shall only be made by written "Change Order" signed by both parties. Such Change Orders shall become part of this Contract. Owner agrees to pay any increase in the cost of the Project as a result of a Change Order. In the event the cost of a Change Order is not known at the time a Change Order is executed, the Contractor shall estimate the cost thereof and Owner shall pay the actual cost whether or not it is in excess of the estimated cost.

8. CONTRACT PRICE:

{COST PLUS}

Owner agrees to pay Contractor the actual cost to Contractor of materials plus the sum of $ for performing the services set forth in the scope of the work. Contractor shall be paid as follows:

OR

{FIXED FEE}

Owner agrees to pay Contractor the sum of $ for performing the services set forth in the scope of the work. Contractor shall be paid as follows:

Contractor shall furnish Owner appropriate releases or waivers of lien for all work performed or materials provided at the time the next periodic payment shall be due.

9. LATE PAYMENT/DEFAULT:

A failure to make payment for a period in excess of ten (10) days from the due date shall be deemed a material breach of this Contract. If payment is not made when due, Contractor may suspend work on the job until such time as all payments due have been made without breach of the Contract pending payment or resolution of any dispute. Owner agrees to pay a late charge of 1% of all payments that are more than ten (10) days late plus interest at the rate of 1% per month.

10. DESTRUCTION AND DAMAGE:

If the Project is destroyed or damaged for any reason, except where such destruction or damage was caused by the sole negligence of the Contractor or its subcontractors, Owner shall pay Contractor for any additional work done by Contractor in rebuilding or restoring the Project to its condition prior to such destruction or damage. If the estimated cost of replacing work already accomplished by Contractor exceeds 20 percent of the Contract price, either the Contractor or Owner may terminate this Contract. Upon termination by either party, Contractor shall be excused from further performance under this Contract and Owner shall pay Contractor a percentage of the Contract price in proportion to the amount of work accomplished prior to the destruction or damage.

11. ASSIGNMENT:

Neither party may assign this Contract, or payments due under the Contract, without the other party’s written consent. Any such assignment shall be void and of no effect.

12. INTERPRETATION:

(a) Interpretation of Documents. The Contract, drawings, and specifications are intended to supplement one another. In the event of a conflict, the specifications shall control the drawings, and the Contract shall control both. If work is displayed on the drawings but not called for in the specifications, or if the work is called for in the specifications but not displayed on the drawings, Contractor shall be required to perform the work as though it were called for and displayed in both documents.

(b) Entire Agreement. This Contract constitutes the entire agreement of the parties. No other agreements, oral or written, pertaining to the work to be performed under this Contract exists between the parties. This Contract may only be modified only by a written agreement signed by both parties.

(c) Governing Law. This Contract shall be interpreted and governed in accordance with the laws of the State of Alabama.

13. ATTORNEYS’ FEES AND COSTS:

If any party to this Contract brings a cause of action against the other party arising from or relating to this Contract, the prevailing party in such proceeding shall be entitled to recover reasonable attorney fees and court costs.

14. PERFORMANCE:

(a) Contractor may, at its discretion, engage licensed subcontractors to perform work pursuant this Contract provided Contractor shall remain fully responsible for the proper completion of the Project.

(b) All work shall be completed in a workman-like manner and in compliance with all building codes and applicable laws. To the extent required by law, all work shall be performed by individuals duly licensed and authorized by law to perform said work.

(c) Contractor agrees to remove all debris and leave the premises in broom clean condition.

15. WARRANTY:

Contractor warrants the heating and cooling design performance: at degrees outside temperature, the heating system will maintain degrees Fahrenheit in the center of each heated room at a height of 5 feet 6 inches above the floor, and degrees outside temperature the cooling system will maintain degrees Fahrenheit in the center of each cooled room at a height of 5 feet 6 inches above the floor.

Contractor agrees to repair or replace any defective or improperly operating equipment, fixtures, materials, valves, leaking or clogged refrigerant lines, leaking gutters and downspouts for a period of year(s); and repair or replace defective equipment (whose warranty period extends beyond ) during the full term of the manufacturer's warranty, according the manufacturer’s terms.

Contractor agrees to repair or replace leaking valley or flu flashing, separated or detached duct work, and to eliminate unusual booming sound, not including typical mildly noisy ductwork, caused by stiffening or flexing of the ductwork for a period of year(s). Owner agrees to inspect all fixtures and equipment within days after installation.

If such inspection finds chipped, cracked or otherwise defective and malfunctioning fixtures, equipment, ductwork, lines or other installed items, then Contractor shall repair or replace same. Contractor shall not be responsible after this period. Contractor shall not be responsible for Owners’/Builders' negligence. Contractor hereby assigns to Owner all warranties on materials as provided by the manufacturer of such materials.

AGREED:

CONTRACTOR:

Signature

Print Name & Title

Date

License Number

Name and Address of License Holder

OWNER:

Signature

Print Name

Date

Enter text

What an HVAC Contract Covers

The HVAC Contract is a written agreement that defines the scope, pricing, schedule, and responsibilities for heating, ventilation, and air conditioning services between a contractor and a customer. It documents services such as installation, maintenance, repairs, and replacements, and sets payment terms, warranties, change-order procedures, and liabilities. Use clear equipment descriptions, job site address, start and completion dates, permit obligations, and acceptance criteria. Properly executed HVAC contracts reduce disputes and support permit applications, insurance claims, and lien filings when legally required.

Why a Clear HVAC Contract Matters

An HVAC Contract clarifies obligations, limits exposure, and documents payment and warranty terms to reduce disputes. It creates enforceable expectations for timelines, change orders, and acceptance criteria, which assists permitting, insurance processing, and contractor lien rights where permitted by state law.

Why a Clear HVAC Contract Matters

Who Typically Prepares or Signs an HVAC Contract

Typical signers include contractors, property managers, homeowners, and commercial facility owners handling HVAC projects and maintenance.

  • HVAC contractors and installers managing bids, workmanship warranties, and subcontractor terms.
  • Property managers overseeing recurring maintenance, service windows, and invoice approvals.
  • Homeowners seeking clear scope, price, and warranty on residential replacements or repairs.

Common Signatory Roles

HVAC Owner

As the business owner or lead technician, you sign contracts committing company resources, warranties, and insurance coverage. Confirm licensing and insurance references, include a business name and title, and ensure signatory authority is documented to avoid enforceability challenges.

Property Manager

A property manager signs on behalf of owners for routine maintenance and emergency repairs when authorized. Provide written proof of authority, include owner contact details, and confirm billing and access instructions to reduce disputes and scheduling delays.

Essential Clauses to Include in Every HVAC Contract

Core HVAC Contract elements define scope, pricing, schedule, change orders, warranties, insurance, dispute resolution, and signatures to establish clear obligations.

Scope of Work

Describe equipment, model numbers, locations, and specific services (installation, testing, start-up, maintenance). Attach system diagrams or equipment schedules as exhibits and list materials and manufacturer warranties to avoid ambiguity.

Price & Payment

State total price, payment schedule, retainage, deposit amounts, and accepted payment methods. Tie progress payments to milestone completion and inspections to prevent withholding disputes and include late fee terms.

Schedule

Provide start and substantial completion dates, milestone deadlines, and permit dependency. Include remedies for delays and procedures for approved change-order adjustments. Specify liquidated damages or extension terms.

Warranties

Describe manufacturer and workmanship warranties, durations, claim procedures, and remedies. State who bears parts and labor costs during warranty periods and requirements for preventive maintenance.

Liability

Allocate responsibility for property damage, bodily injury, and consequential losses. Require contractor liability insurance, workers' compensation, and minimum limits with certificates provided before work begins.

Termination

Define termination rights for breach or convenience, notice periods, cure opportunities, and final accounting. Detail payment for work performed and return of unused materials and liens.

Required Contract Information and Fields

Owner Name: Full legal name as on ID
Service Address: Street, city, state, ZIP required
Equipment Details: Manufacturer, model, serial numbers
Payment Terms: Total, deposit, schedule, retainage
Effective Date: Enter as MM/DD/YYYY format
Signature Block: Printed name, title, date

Step-by-Step: Completing an HVAC Contract

Follow these sequential steps to complete and execute an HVAC Contract accurately, reduce errors, and record approvals.

  • 01
    Prepare Document: Include scope, schedules, and permits
  • 02
    Set Payment Terms: Define deposit, milestones, and retainage
  • 03
    Get Signatures: Authorized parties sign and date
  • 04
    Store Records: Keep originals and digital copies with audit trail

Digital Signing Workflow Overview

A simple digital workflow speeds execution: prepare the file, assign fields, send to signers, and capture the signed record with an audit trail.

  • Upload Document: Prepare the contract file in PDF or DOCX
  • Place Fields: Add signature, initials, date, and checkbox fields
  • Send to Signer: Use email link, SMS, or SSO authentication
  • Capture Audit Trail: Record timestamps, IP, and signer actions

Typical Online Workflow Settings

Configure workflow settings to automate approvals, reminders, and conditional fields for HVAC Contracts used across projects.

Field Configuration
Authentication Email link, SMS code, or SSO
Reminders & Expiry Automatic reminders and expiration after 14 days
Conditional Fields Show fields only when specific options selected
Bulk Send Enable for multiple recipients in one action

Integration and Format Considerations

For digital signing and sharing, ensure your platform supports PDF and Word formats, integrates with your storage, and provides signer authentication.

  • File Formats: PDF, DOCX, or HTML accepted
  • Integrations: Salesforce, Google Workspace, NetSuite supported
  • Authentication: Email, SMS, SSO, KBA options

eSignature Vendor Pricing Comparison for Contract Signing

This vendor comparison focuses on starting price and common enterprise capabilities relevant to signing HVAC Contracts and managing signed records.

signNow DocuSign Adobe Sign PandaDoc HelloSign
Starting Price $8/user/mo $15/user/mo $14/user/mo $19/user/mo $15/user/mo
Free Trial 7-day trial Varies by vendor Varies by vendor Varies by vendor Varies by vendor
Bulk Send Yes Yes Yes Yes No
Audit Trail Yes Yes Yes Yes Yes
HIPAA Compliant Yes Yes Yes No No

Key Dates to Track in an HVAC Contract

Typical contract dates, payment deadlines, and statutory notice periods are essential to track; set calendar alerts and assign responsible parties.

Execution Date:

Date parties sign and obligations begin

Work Start:

Start after permits approved and notice to proceed

Milestone Payments:

Paid on agreed completion or inspection dates

Warranty Period:

Typically one to five years depending on part or labor

Retention Release:

Retainage released after final acceptance and lien period expiration

Major Milestones from Proposal to Closeout

Major processing milestones for an HVAC Contract from proposal to closeout include approvals, permits, mobilization, testing, and final acceptance.

01

Proposal and Quote

Client approves written scope and price

02

Permits and Inspections

Obtain permits before work; schedule inspections

03

Installation & Testing

Complete installation and perform system commissioning

04

Final Acceptance

Customer signs acceptance; final invoice and lien waiver exchanged

Common Preparation Pitfalls

  • Using vague scope language like 'repair as needed' leads to disagreements over chargeable work and can delay project completion and payments.
  • Failing to include permit responsibilities or inspection dependencies causes costly rework and scheduling conflicts with local authorities.
  • Not specifying acceptance criteria or final testing procedures creates disputes over whether the system meets contract requirements.
  • Relying on verbal change orders without written confirmation leads to unpaid work and weak evidence in any legal claim.

Potential Consequences of an Incorrect or Incomplete Contract

Invalid Agreement: Missing signatures risk unenforceability
Payment Withheld: Claims or liens delay payments
Insurance Denial: Coverage denied for improper documentation
Regulatory Fines: Permit violations may incur fines
Contract Disputes: Ambiguous scope increases litigation risk
Warranty Void: Unauthorized work can void warranty

When to Use a Contract vs a Proposal or Maintenance Agreement

Comparing common document types clarifies when to use a formal HVAC Contract versus a proposal or a maintenance agreement.

Criteria HVAC Contract Proposal Maintenance Agreement
Enforceability high low medium
Payment Terms fixed/milestone estimate recurring
Scope Detail detailed summary standardized
Term Length project-based one-off ongoing

Real-World HVAC Contract Examples

Practical examples show how HVAC Contracts apply across residential and commercial projects, clarifying documentation and signature workflows.

Residential Install

A homeowner orders a full HVAC replacement for a single-family house with specified equipment models and a two-week installation window.

  • Deposit and milestone payments enforced.
  • The signed contract includes a detailed equipment list, permit responsibility, a one-year workmanship warranty, and a clear final acceptance test. These elements prevent scope creep, support warranty claims, and facilitate timely final payment and lien release.

Commercial Retrofit

A building owner contracts a phased retrofit across multiple floors requiring night work, MEP coordination, and certified installers to maintain tenant operations.

  • Staged milestones with inspection gates.
  • Contracts include insurance and indemnity clauses, prevailing wage or bonding where required, detailed phasing schedules, and clear access permissions. Electronic signatures and sealed annexes expedite approvals across stakeholders and support compliance with procurement rules.

Practical Tips to Reduce Risk and Speed Execution

Best practices reduce disputes and speed approvals; draft clearly, verify licenses, attach exhibits, and manage change orders in writing.

Use precise scope language
Define tasks at the trade and system level, list excluded items, specify testing criteria, and attach equipment schedules. Precision prevents differing expectations that commonly lead to withholding payments and litigation.
Confirm contractor credentials
Verify state and local licensing, request proof of insurance and bond as required, and document trade qualifications. Retain copies of licenses and COIs in the contract file to support permitting and claims.
Document change orders
Require written change orders signed by both parties, include cost and schedule impacts, and use a standard form. Verbal approvals should be prohibited to reduce unpaid work and contract ambiguity.
Maintain audit trail
Keep digital records of sending, signing, version history, and invoices. An audit trail supports dispute resolution and integrates with lien or warranty claims, reducing evidence collection time.

Frequently Asked Questions About HVAC Contracts

Common questions about execution, signatures, permitting, and contract disputes are answered below to help avoid delays and legal exposure.


Need help? Contact support

be ready to get more
Join over 28 million airSlate SignNow users