Your Trusted Local HVAC Experts — Heating, Cooling & IAQ

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 At L & J Cooling and Heating, we provide dependable, high-quality HVAC services for homeowners and businesses across Iredell, Mecklenburg, Rowan, Catawba, and Cabarrus Counties. Whether you need fast repairs, a brand-new system, cleaner indoor air, or a complete duct system, our certified team is here to keep your home comfortable all year long. 

 Furnace Repair & Installation

Is your furnace not keeping up with the cold? We service and install all major furnace brands, ensuring safe, reliable heating throughout winter.

Services include:

• Furnace troubleshooting & diagnosis
• New system installation
• High-efficiency furnace upgrades
• Gas & electric furnace repairs
• Safety inspections

Heat Pump Services

Heat pumps offer year-round comfort and outstanding efficiency. We specialize in Trane, Mitsubishi Electric, and WaterFurnace geothermal systems.

We provide:

• Heat pump installation
• Emergency heat pump repairs
• Seasonal tune-ups
• Geothermal system support and installation

Cooling Services

Air Conditioning Repair

When your AC stops cooling, we deliver fast, same-day service to restore comfort quickly.

Common AC issues we fix:

• Warm air blowing
• Frozen coils
• System leaks
• Electrical malfunctions
• Weak airflow

AC Installation & Replacement

We install high-efficiency systems designed to reduce energy costs and deliver long-lasting comfort.

Benefits of our AC installs:

• Proper sizing for your home (Load Calculations Performed for every installation)
• Energy-efficient models
• Improved airflow & humidity control
• Extended system life
• Complete Duct systems & Duct system repairs

AC Maintenance

Routine maintenance helps prevent system breakdowns and keeps your equipment running smoothly.

Maintenance services include:

• Full system inspection
• Coil cleaning
• Refrigerant checks
• Electrical testing
• Performance optimization

 Air Purification & Filtration

Improve the air your family breathes with advanced air-cleaning technology.

We offer:

• Trane CleanEffects™ air purification
• Whole-home air cleaners
• High-efficiency filters
• Allergy & asthma reduction solutions

Humidity Control

Balanced humidity protects your home and improves comfort.

Services include:

• Whole-home humidifier installation
• Dehumidifier systems
• Moisture control diagnostics

 Clean ducts improve airflow, energy efficiency, and indoor health.

Duct services include:

• Duct inspection
• Complete Duct system replacement
• Duct sealing & repair

 We provide professional heating and cooling solutions for small businesses, offices, churches, retail locations, and more.

Commercial services include:

• HVAC repair & maintenance
• Rooftop unit service
• New system installation
• Preventative maintenance plans

Protect your system with our affordable HVAC maintenance programs.

Plans include:

• Annual or biannual tune-ups
• Priority scheduling
• Exclusive discounts
• Extended equipment life
• Lower energy bills

• Licensed & insured HVAC technicians
• Fast, reliable emergency service
• Family-owned, faith-based business
• Honest pricing & transparent recommendations
• High-efficiency solutions for every budget

 If you need heating, cooling, or indoor air quality help, we’re ready when you need us.

📞 Call us: 980-354-4118

📍 Serving Iredell, Mecklenburg, Rowan, Catawba & Cabarrus Counties