Strong Heating and Cooling LLC

Overview

Full-service HVAC contractor for Delaware, handling emergency repairs and system replacements. Manufacturer relationships: registered American Standard and Armstrong dealer. Free estimates on replacements are offered. Emergency service availability: 24/7 (advertised).

Score breakdown

Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →

Pros & cons

When to choose them

• You want manufacturer-warranty installation work

Services

• AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
• AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
• Furnace Repair — Repair of gas and electric furnaces — ignition systems, blower motors, heat exchangers, control boards, and flame sensors.
• Heating System Replacement — Replacement of an aging or failed heating system, typically a furnace or heat-pump indoor unit.
• HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
• Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
• Indoor Air Quality — Indoor air-quality work: high-MERV filtration, UV systems, humidifiers/dehumidifiers, and duct sanitization.
• Duct Work — Ductwork inspection, sealing, and replacement — addresses leakage, undersized runs, and uneven room temperatures.

Service area

Office: 209 Deerfield Dr, Middletown, DE 19709, USA

Neighborhood: 209 Deerfield Dr, Middletown, DE 19709, USA

Guarantees & credentials

• Bonded and Insured

Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.

Contact & hours

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