Delaware HVAC Service Agreement (Free Template + State Notes)

What Your Delaware HVAC Contract Should Include

The builder formats these into a clean, professional agreement:

• Parties & Premises: Legal names, service address, site contact, access windows, attic/crawlspace/roof access as applicable.
• Scope of Work: Repair/replace/maintain; systems covered (split/packaged, heat pumps incl. cold-climate, gas/oil furnace or boiler & hydronic, mini-split, RTUs; ERV/HRV; controls).
• Service Levels: Standard vs. emergency response; after-hours rates; coastal wind/flood, nor’easter, snow/ice rescheduling language.
• Pricing Model: Flat-rate vs. time-and-materials; trip fee policy; parts handling/mark-up.
• Materials & Parts: OEM vs. equivalent; corrosion-resistant hardware for shoreline installs; condensate safeties and freeze protection; hail guards where needed.
• Customer Responsibilities: Filters, clearances, utilities, HOA/condo approvals, roof access, safe winter access.
• Warranty: Labor window; manufacturer pass-through; exclusions (misuse, neglect, storm/flood/salt-air corrosion, non-payment).
• Code & Safety: Local permits/inspections; Delaware energy/mechanical codes (IECC/IMC-based) with municipal administration; duct sealing/testing when triggered; EPA refrigerant rules; rooftop fall protection.
• Change Orders: Written/e-signed authorization for hidden conditions and price changes.
• Payment Terms: Deposits/milestones; due-on-completion; late fees.
• Termination: For convenience vs. cause; cure periods; demobilization costs.
• Dispute & Venue: Delaware law; optional county venue (New Castle, Kent, Sussex).
• Licensing Info: Legal business name and applicable Delaware HVACR license/registration printed on the agreement; list municipal registrations if required.

Delaware-Specific Notes (Read Before You Sign)

HVACR licensing: Delaware regulates HVACR practice at the state level. Display your legal business name and the applicable HVACR license number(s) on proposals and the contract; use properly licensed subs for electrical/plumbing scopes as required.

Permits & inspections are local: Mechanical/electrical/gas permits are issued by the city/town/county AHJ (e.g., Wilmington, Dover, Newark, Middletown, Rehoboth Beach). Confirm permit needs, fees, plan review, and inspection timing before change-outs or new installs.

Energy/mechanical codes: Municipalities administer IECC/IMC-based codes with local amendments. If your scope triggers duct sealing/leakage testing, ventilation/HRV balancing, controls/commissioning, or oil-to-gas conversions, reflect responsibilities and testing fees in the agreement.

Coastal & winter climate: For shoreline and flood-prone areas, specify elevated pads/stands, anchorage/tie-downs, and corrosion-resistant hardware. Include freeze protection for condensate and piping, and wind exposure notes for outdoor units.

Cooling-off (in-home sales): For covered door-to-door/home solicitations, customers generally have a 3-business-day right to cancel. Attach the written notice when applicable.

Liens: Delaware recognizes mechanic’s lien rights with defined timelines. Keep clear payment terms and proof of required notices/waivers.

This page is general business guidance, not legal advice. Requirements can change—verify rules for your municipality and project type.

Example Pricing & Payment Terms (Delaware)

Flat-Rate Example

Flat-Rate Replacement: Contractor will replace the condenser fan motor on the 3.5-ton split system at 800 N French St, Wilmington, for a fixed price of $525 plus applicable taxes/permit fees. Includes travel within 20 miles and standard disposal.

Time & Materials Example

Labor: $135/hour (first hour billable in full, then 30-min increments).
Materials: Cost + 25% handling.
Trip Fee: $75 per on-site visit (roof access fee may apply where required).

Deposits & Late Fees (Sample)

• Deposit: 30% on acceptance for projects over $3,000; balance due on completion.
• Late Fee: 1.5%/month (or the maximum allowed by law) on past-due balances over 15 days.

Maintenance Plan Addendum (Delaware)

• Coverage: 2 seasonal tune-ups/year per covered system (spring cooling; fall heating) — optional mid-summer check for seashore corrosion/airflow.
• Tasks: Coil cleaning as needed; condensate freeze/corrosion checks; electrical tighten; refrigerant check; burner safety checks where applicable; rooftop safety protocols; HRV/ERV filter & core inspection.
• Filters: Customer- or Contractor-supplied; sizes and intervals listed in annex; consider higher MERV in coastal pollen seasons.
• Priority: Plan members get priority scheduling and 10% labor discount on non-covered repairs.
• Exclusions: Non-maintenance repairs, code corrections, concealed defects, abuse, weather/flood/corrosion damage unless otherwise stated.
• Term: 12 months; auto-renews unless canceled 30 days prior.

Copy-Ready Clause Examples

HVACR License & Identification

Contractor holds the required Delaware HVACR credential(s) for the scope of work. Contractor’s legal name and License No. DE-HVACR-{{your_number}} appear on this agreement and related communications. Municipal registration numbers are listed where required.

Coastal/Wind & Freeze Protection

Where required by code or site conditions, outdoor units will be elevated and anchored with corrosion-resistant hardware and provided with condensate freeze protection. Work may be postponed during high-wind, flood, or ice events for safety.

Change Orders

No change in scope, parts, or price is valid unless authorized by a written or electronic change order signed by both parties.

Cooling-Off (If Sold In-Home)

If this agreement was solicited and signed at Customer’s residence, Customer may have a three (3) business-day right to cancel. If applicable, a separate cancellation notice is attached explaining how to cancel and where to send notice.

Dispute Resolution & Venue

This agreement is governed by the laws of the State of Delaware. Venue for any action lies in the county where the project is located, unless the parties agree otherwise in writing.

Delaware HVAC Contract — FAQs