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HVAC Contract

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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:

Chimney Flashing:

A/C-Heat Pump:

Furnace:

Thermostat:

Air Cleaner Brand Name, & Model:

Humidifier Brand Name, & Model:

A/C Pad:

Wiring:

Registers Brand Name, Style, & Number:

Grilles Brand Name, Style, & Number:

Fireplace Firebox Manu./Size:

Flue Material/Size:

Hearth Material/Size:

Glass Doors:

Mantel:

Baseboard Heat Brand Name, Model & Numbers:

Gas Line:

2. WORK SITE:

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

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 . Contractor shall not be liable for any delay due to circumstances beyond its control including strikes, casualty, acts of God, illness, injury, or general unavailability of materials.

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 Connecticut.

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:

OWNER:

YOU, THE OWNER, MAY CANCEL THIS TRANSACTION AT ANY TIME PRIOR TO MIDNIGHT OF THE THIRD BUSINESS DAY AFTER THE DATE OF THIS TRANSACTION. SEE THE ATTACHED NOTICE OF CANCELLATION FORM FOR AN EXPLANATION OF THIS RIGHT.

Signature

Print Name

Date

CONTRACTOR:

Print Name & Title

Date

License Number

Name and Address of License Holder

Related Corporation, LLC, Partnership, Sole Proprietorship, or other Legal Entity

NOTICE OF CANCELLATION

(Date of Transaction)

YOU MAY CANCEL THIS TRANSACTION, WITHOUT ANY PENALTY OR OBLIGATION, WITHIN THREE BUSINESS DAYS FROM THE ABOVE DATE.

IF YOU CANCEL, ANY PROPERTY TRADED IN, ANY PAYMENTS MADE BY YOU UNDER THE CONTRACT OR SALE, AND ANY NEGOTIABLE INSTRUMENT EXECUTED BY YOU WILL BE RETURNED WITHIN TEN BUSINESS DAYS FOLLOWING RECEIPT BY THE SELLER OF YOUR CANCELLATION NOTICE, AND ANY SECURITY INTEREST ARISING OUT OF THE TRANSACTION WILL BE CANCELLED.

IF YOU CANCEL, YOU MUST MAKE AVAILABLE TO THE SELLER AT YOUR RESIDENCE, IN SUBSTANTIALLY AS GOOD CONDITION AS WHEN RECEIVED, ANY GOODS DELIVERED TO YOU UNDER THIS CONTRACT OR SALE; OR YOU MAY, IF YOU WISH, COMPLY WITH THE INSTRUCTIONS OF THE SELLER REGARDING THE RETURN SHIPMENT OF THE GOODS AT THE SELLER'S EXPENSE AND RISK.

IF YOU DO MAKE THE GOODS AVAILABLE TO THE SELLER AND THE SELLER DOES NOT PICK THEM UP WITHIN TWENTY DAYS OF THE DATE OF CANCELLATION, YOU MAY RETAIN OR DISPOSE OF THE GOODS WITHOUT ANY FURTHER OBLIGATION. IF YOU FAIL TO MAKE THE GOODS AVAILABLE TO THE SELLER, OR IF YOU AGREE TO RETURN THE GOODS TO THE SELLER AND FAIL TO DO SO, THEN YOU REMAIN LIABLE FOR PERFORMANCE OF ALL OBLIGATIONS UNDER THE CONTRACT.

TO CANCEL THIS TRANSACTION, MAIL OR DELIVER A SIGNED AND DATED COPY OF THIS CANCELLATION NOTICE OR ANY OTHER WRITTEN NOTICE, OR SEND A TELEGRAM TO

AT NOT LATER THAN MIDNIGHT OF

I HEREBY CANCEL THIS TRANSACTION.

(Date)

________________________________________________________

(Buyer's Signature)

Enter text

What an HVAC Contract Covers

An HVAC Contract is a written agreement that defines the scope, timeline, payment, and responsibilities for heating, ventilation, and air conditioning services between a service provider and a property owner or manager. It documents work to be performed—installation, repair, maintenance, emergency response—plus materials, warranties, change-order procedures, and dispute resolution. A clear contract reduces misunderstandings, allocates risk, and creates an enforceable record for scheduling, invoicing, and warranty claims. For commercial projects, it often includes project milestones, insurance requirements, and lien waiver provisions.

Why a Formal HVAC Contract Matters

Use an HVAC Contract to set clear expectations, protect both parties, and document pricing, scope, and timelines. It helps manage warranty claims, clarifies responsibilities for permits and inspections, and provides a legal basis for resolving disputes or enforcing payment terms.

Why a Formal HVAC Contract Matters

Who Commonly Uses HVAC Contracts

HVAC Contracts are used by contractors, property owners, managers, and facility teams to document service relationships and project work.

  • Residential HVAC contractors and homeowners on repair and replacement projects.
  • Commercial contractors, building owners, and property managers for installations and maintenance agreements.
  • Facility maintenance departments and general contractors coordinating HVAC scopes on larger builds.

Core Sections to Include in an HVAC Contract

Core sections of a professional HVAC Contract define scope, schedule, pricing, liability, and dispute resolution so both parties understand deliverables and post-installation obligations.

Scope of Work

Describe labor, materials, system models, performance criteria, and exclusions. Include drawings or specs by reference and define start/stop conditions for acceptance testing and final completion.

Pricing & Payment

List fixed price or unit rates, deposit requirements, progress payment schedule, retainage, late fees, and accepted payment methods; specify change-order pricing and approval workflow to avoid disputes.

Schedule & Milestones

Specify start date, completion date, material lead times, milestone inspections, and penalties or remedies for delays. Tie milestones to payment events where appropriate, including weather or permit-related extensions.

Warranties

Detail manufacturer warranties and contractor workmanship warranties with duration, coverage limits, claim procedures, and exclusion clauses for misuse, modifications, or unauthorized repairs and remedies available under state law.

Insurance & Liability

Require contractor liability insurance, workers' compensation, and commercial general liability limits; specify indemnification for third-party claims and responsibility for property damage during performance, including subcontractor coverage and certificate requirements.

Change Orders

Describe written change order process, required approvals, cost adjustments, schedule impacts, and a dispute escalation path when parties disagree on scope or pricing to preserve payment rights and project continuity.

How to Complete and Execute an HVAC Contract

Follow these steps to complete and execute an HVAC Contract with clear roles, dates, and digitally signed acceptance.

  • 01
    Gather Details: Collect property, system, and contact information.
  • 02
    Draft Scope: Write tasks, equipment, and exclusions.
  • 03
    Set Payments: Define schedule, deposits, and milestones.
  • 04
    Execute: Obtain signatures and distribute copies.

Configuring an Online Signing Workflow

Configure an online workflow to automate field placement, routing order, signer authentication, and final document storage.

Workflow Setting or Field Name Configuration
Signer Routing Order Preference for electronic signing Sequential or parallel signing with conditional branching
Field Auto-detection and Prefill Rules Use Magic fields to auto-detect and prefill.
Signer Authentication and Verification Level Email, SMS OTP, or advanced KBA per risk.
Document Retention and Storage Settings Store PDF/A with audit trail and access controls.
Notifications and Reminders Configuration for pending signatures Email alerts and periodic reminders until completion.

Platform Requirements for Digital Signing

For eSigning, ensure platform supports compliant audit trails, secure storage, and necessary signer authentication methods for your risk profile.

  • Supported Formats: PDF, DOCX, and fillable forms
  • Integrations: Salesforce, NetSuite, Google Workspace
  • Security Standards: TLS 1.2/1.3; AES-256 at rest

Typical Contract Routing from Draft to Archive

Typical routing for an HVAC Contract from draft to signed record, including inspections, payments, and warranty activation steps.

  • Draft: Upload contract, attach exhibits, and set fields.
  • Send: Assign signers and select routing order.
  • Sign: Signers authenticate and apply eSignatures.
  • Archive: Save signed PDF with audit trail and distribute copies.

Key Deadlines and Processing Expectations

Key deadlines and processing expectations for HVAC contracts, including payment milestones, warranty registration, and permit inspections.

Permit Approval and Inspection Deadlines by municipality:

Start permit process before work begins; inspections may be required before final payment.

Deposit and Progress Payment Dates:

Deposit due upfront; progress payments tied to completed milestones.

Warranty Registration and Start Date:

Register manufacturer warranties within required window to preserve coverage.

Final Acceptance and Punchlist Deadline:

Complete punchlist items within agreed period before final payment release.

Tax Reporting and 1099 Considerations:

Provide contractor TIN on W-9; payer must issue 1099-NEC when applicable.

Common Mistakes to Avoid

  • Vague scope language that omits specific models, quantities, or acceptance criteria, leading to disputes over deliverables and invoicing.
  • Failure to document change orders in writing causes payment disagreements and project delays when unforeseen conditions arise or owner requests additions.
  • Incorrect legal names, missing EIN/TIN on forms, or mismatched signatures that complicate tax reporting and delay 1099 issuance or backup withholding.
  • Omitting insurance limits or failing to verify certificates permits uncovered liability for property damage or injuries during installation.

Penalties and Risks of an Incorrect Contract

Payment Default: Collection costs and interest.
Mechanic's Lien: Contractor may file lien.
Warranty Void: Improper maintenance can void coverage.
Tax Penalties: Missing TIN triggers backup withholding.
Permit Violations: Fines and required remedial work.
Safety Liability: Civil exposure for injuries or damage.

Who Can Sign and Authorize the Contract

Property Owner — Signatory

The property owner or authorized manager is typically the contracting party who approves scope, signs the agreement, and authorizes payments. They must ensure permit access, verify insurance certificates, and confirm final acceptance after inspection for release of retainage.

HVAC Contractor — Authorized Rep

A company officer or project manager signs on behalf of the contractor. They verify subcontractor coverage, confirm equipment warranties, accept change orders in writing, and remain responsible for performance, corrective work, and maintaining required insurance during the project lifecycle.

How to Save and Store Completed HVAC Contracts

Common exports and supporting documents for HVAC Contracts include signed PDF/A copies, editable DOCX templates, invoices, permits, and equipment manuals stored with audit trails.

Signed PDF/A

Export a certified PDF/A with embedded audit trail and signature metadata to preserve evidentiary integrity and long-term accessibility.

DOCX Template

Keep an editable DOCX master for future projects; store a version history and lock fields that should not be changed after execution.

Permit Copies

Scan, attach, and index permit approvals, inspection reports, and municipal correspondence to the final contract file to support compliance, warranty claims, and potential lien defense.

Equipment Manuals

Include manufacturer manuals, serial numbers, and warranty registration receipts so service and replacement parts are traceable and warranty claims are supported.

How to Amend or Revise an HVAC Contract

Follow this amendment workflow to update an HVAC Contract when scope, price, or schedule changes are needed during performance.

01

Identify Change:

Document requested changes in detail and reason.
02

Draft Amendment:

Prepare written change order language and cost estimate.
03

Obtain Approvals:

Get signatures from all parties and authorized reps.
04

Adjust Schedule:

Update milestones and notify stakeholders.
05

Issue Invoice:

Bill for approved additional work per agreed payment terms.
06

Archive Amendment:

Attach amendment to master contract and retain audit trail.

Milestone Sequence for an HVAC Project

High-level milestone sequence for HVAC projects from proposal to warranty closeout, useful for planning and invoicing.

01

Proposal Approval

Client signs proposal authorizing work and deposit payment.

02

Mobilization & Permits

Contractor mobilizes and secures necessary permits and inspections.

03

Installation & Testing

Systems installed, commissioned, and performance tests completed.

04

Final Acceptance & Warranty Start

Owner accepts work; warranty and final payment obligations begin.

eSignature Pricing and Feature Comparison for Contract Execution

Compare typical eSignature pricing and enterprise features relevant to executing HVAC Contracts; signNow is listed first for vendor comparison.

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 free trial Varies by plan Varies by plan Varies by plan Varies by plan
Bulk Send Yes Yes Yes Yes No
Audit Trail Yes Yes Yes Yes Yes
HIPAA Compliant Yes Yes Yes No No

Frequently Asked Questions About HVAC Contracts

Answers to frequent questions about executing, signing, and enforcing HVAC Contracts, including digital signing, notarization, and warranty registration.


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